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Thornburg Investment Income Builder Fund Class R3 (TIBRX)

$37.48 +$0.17 (+0.46%) |CouncilSTRONG SELL · 0 · F
Bottom line: STRONG SELL — our Council read (0/100) and AI Score (0/100) broadly agree.
MCap: $22.66B|
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

Thornburg Investment Income Builder Fund Class R3 (TIBRX) trades at $37.48. Thornburg Investment Income Builder Fund Class R3 (TIBRX) is a closed-end fund employing a multi-asset strategy, primarily aiming to generate a substantial level of ongoing income with a yield superior to average U. Market cap: $22.66B, Sector: Financial services.

Price live · AI analysis from Jun 15, 2026
Thornburg Investment Income Builder Fund Class R3 (TIBRX) is a closed-end fund employing a multi-asset strategy, primarily aiming to generate a substantial level of ongoing income with a yield superior to average U.S. equities. Its secondary objective is long-term capital growth, achieved through diversified investments in income-producing stocks and bonds.

Analyst Coverage for TIBRX: TIBRX does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates TIBRX against Financial Services peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.

Council Score · Weighted Average of 3 Disciplines
STRONG SELL 0/100 · F

TIBRX: 1/1 perspectives are bearish.

How is this calculated? →
Council Score · 8 perspectives · See tabs for details →

Thornburg Investment Income Builder Fund Class R3 (TIBRX) Financial Services Profile

HeadquartersSanta Fe, US
IPO Year2005

Thornburg Investment Income Builder Fund Class R3 (TIBRX) is a closed-end fund in the Asset Management - Income sector, strategically allocating capital across a diversified portfolio of income-producing stocks and bonds. It targets a substantial ongoing income yield superior to U.S. equities, with long-term capital growth as a secondary objective, maintaining specific asset allocation thresholds.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: Jun 15, 2026

What Is the Investment Thesis for TIBRX?

Thornburg Investment Income Builder Fund Class R3 (TIBRX) presents an investment profile centered on its multi-asset income generation strategy, targeting a yield superior to average U.S. equities, complemented by a secondary objective of long-term capital growth. With a market capitalization of $22.66B, the fund demonstrates significant scale within the asset management industry. Its Beta of 0.77 suggests a historical volatility profile that is lower than the broader market, potentially appealing to investors seeking relative stability. A key value driver is its disciplined asset allocation, committing at least 80% of assets to income-generating instruments and no less than 50% to common stocks, which aims to provide consistent income while participating in equity market upside. However, it is important to note that the fund currently reports no dividend yield, which requires investors to understand how its 'income' objective is realized and distributed. Growth catalysts include sustained demand for income-focused investments, particularly from an aging demographic, and the potential for effective active management to navigate diverse market conditions across equity and fixed-income markets. Key risks involve the inherent market volatility impacting both stock and bond holdings, interest rate fluctuations affecting fixed-income valuations, and the potential for its closed-end fund structure to result in shares trading at a discount or premium to its Net Asset Value (NAV), introducing an additional layer of market risk.

Based on FMP financials and quantitative analysis

TIBRX Key Highlights

  • Market Capitalization of $22.66B, indicating a significant presence within the asset management sector.
  • Beta of 0.77, suggesting lower historical volatility compared to the overall market, which may appeal to risk-averse investors.
  • The fund's primary objective is to generate a substantial level of ongoing income, targeting a yield superior to the average seen in U.S. equities.
  • Under normal circumstances, at least 80% of the fund's assets are dedicated to income-generating instruments, ensuring a strong focus on its primary objective.
  • No less than 50% of the fund's total assets are invested in common stocks, providing exposure to equity market growth potential alongside income generation.

Who Are TIBRX's Competitors?

TIBRX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
JCAPX Janus Henderson Forty Fund Class I $62.15 -0.72% $24.62B 44
JARTX Janus Henderson Forty Fund $52.45 -0.74% $24.62B 44
JACTX Janus Henderson Forty Fund - T Shares $55.68 -0.73% $24.62B 44
JFRDX Janus Henderson Forty D $54.76 -0.73% $24.62B 44
GAIFX American Funds Growth and Income Portfolio Class F-1 $23.00 -0.09% $23.73B 44
LGI Lazard Global Total Return and Income Fund, Inc. $18.68 +0.35% $243.15M 67
BKT BlackRock Income Trust, Inc. $10.68 +0.42% $259.31M 66
AEUDX American Century Equity Income Fund R6 Class $9.28 +1.31% $6.39B 65

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are TIBRX's Key Strengths?

  • Clear investment mandate focused on generating substantial ongoing income with a superior yield to U.S. equities.
  • Diversified multi-asset strategy across income-producing stocks and bonds, enhancing portfolio resilience.
  • Specific asset allocation rules (at least 80% in income-generating instruments, no less than 50% in common stocks) provide investment discipline.
  • Lower Beta of 0.77 suggests potentially reduced volatility compared to the broader market, appealing to certain investor profiles.

What Are TIBRX's Weaknesses?

  • The fund currently reports no dividend yield, which may be a point of confusion for investors seeking direct income distributions from an 'income builder' fund.
  • As a closed-end fund, its market price can trade at a discount or premium to its Net Asset Value (NAV), introducing an additional layer of market risk.
  • Reliance on the performance of underlying equity and fixed-income markets for both income generation and capital growth.
  • Lack of specific information on the fund's fee structure or management team's track record in the provided data.

What Could Drive TIBRX Stock Higher?

  • Sustained investor demand for income-generating investment products, driven by demographic shifts and the need for consistent cash flow.
  • Favorable market conditions that support the performance of both income-producing equities and fixed-income securities, enhancing the fund's ability to achieve its objectives.
  • Potential for strong performance in the underlying equity markets, contributing to the fund's secondary objective of long-term capital growth.
  • Any shifts in the interest rate environment that could positively impact the valuation of the fund's fixed-income holdings.
  • Effective execution of the multi-asset strategy by the fund's management, leading to outperformance relative to its benchmarks and peers.

What Are the Key Risks for TIBRX?

  • Market volatility affecting both the equity and fixed-income components of the fund's diversified portfolio, potentially leading to fluctuations in asset values.
  • The inherent risk of closed-end funds trading at a discount or premium to their Net Asset Value (NAV), which can impact shareholder returns independently of the underlying portfolio's performance.
  • Adverse changes in interest rates, particularly rising rates, which can negatively impact the market value of the fund's fixed-income securities.
  • Underperformance of selected income-producing securities, failing to meet the fund's objective of a yield superior to average U.S. equities.
  • Increased competition from other asset managers offering similar income-focused or multi-asset strategies, potentially impacting the fund's ability to attract and retain assets.

What Are the Growth Opportunities for TIBRX?

  • Sustained Demand for Income-Generating Investments: The global demographic trend of an aging population, particularly in developed economies, continues to fuel a robust demand for investment products that offer consistent and substantial income. As individuals transition into retirement, the need for reliable income streams to support living expenses becomes paramount. TIBRX, with its primary aim to generate a substantial level of ongoing income targeting a yield superior to U.S. equities, is well-positioned to capitalize on this enduring market need. The fund's strategy directly addresses this demand by focusing on income-producing securities, making it a noteworthy option for a growing segment of the investor base seeking yield in various market conditions.
  • Multi-Asset Diversification Advantage: The fund's strategic allocation across both equity and fixed-income securities provides a significant growth opportunity by enhancing portfolio resilience and return potential across diverse market cycles. By investing in a varied selection of income-producing stocks and bonds, TIBRX can potentially mitigate risks inherent in single-asset class strategies. For instance, during periods of equity market volatility, fixed-income holdings may offer stability, while during periods of low bond yields, dividend-paying equities can contribute to income and capital growth. This balanced approach allows the fund to adapt to changing economic environments, aiming to consistently achieve its income and capital growth objectives.
  • Active Management Expertise: The ability of the fund's management team to actively select and manage its portfolio of income-producing securities represents a critical growth driver. In complex and dynamic markets, skilled active management can identify undervalued assets, optimize asset allocation, and make timely adjustments to capitalize on emerging opportunities or mitigate risks. This expertise is particularly valuable in the income-generating space, where identifying securities with sustainable yields and strong fundamentals requires in-depth research and analysis. Effective active management can lead to superior risk-adjusted returns, attracting more capital to the fund and enhancing its overall market position.
  • Potential for Capital Appreciation: While income generation is the primary objective, TIBRX's secondary goal of achieving long-term capital growth provides an additional layer of return potential. The fund's allocation of no less than 50% of its total assets to common stocks means it can benefit from the appreciation of equity markets. Growth in the underlying value of its stock holdings, combined with potential capital gains from bond investments (e.g., if interest rates decline), can significantly contribute to the fund's overall total return. This dual focus allows investors to participate in market upside beyond just income distributions, enhancing the fund's attractiveness to a broader range of investors seeking total return.
  • Market Expansion for Closed-End Funds: The closed-end fund structure, while having its unique characteristics such as trading at a discount or premium to NAV, offers specific advantages that can attract a growing segment of investors. These funds typically have a fixed number of shares, allowing managers to take a long-term view without the pressure of daily redemptions, which can be beneficial for illiquid or specialized asset classes. As investor education and understanding of closed-end funds improve, and as specific market niches emerge where this structure is advantageous, TIBRX could see an expansion of its investor base. This increased awareness and acceptance can drive demand for its shares, potentially reducing discounts or increasing premiums, thereby enhancing shareholder value.

What Opportunities Does TIBRX Have?

  • Growing demand for income-generating investments from an aging global population and institutional investors.
  • Favorable market conditions for multi-asset strategies that can adapt to varying economic cycles, leveraging both equity and fixed-income strengths.
  • Potential for active management to identify undervalued income-producing securities and optimize asset allocation for enhanced returns.
  • Increased investor education and acceptance of closed-end funds as a viable vehicle for specific investment objectives.

What Threats Does TIBRX Face?

  • Significant market volatility in either equity or fixed-income markets could negatively impact the fund's performance and asset values.
  • Rising interest rates could adversely affect the value of the fund's fixed-income holdings.
  • Underperformance relative to its stated objectives or peer funds could lead to reduced investor interest and capital outflows.
  • Intense competition from a wide array of other income-focused funds, including open-end funds and ETFs, offering similar or alternative strategies.

What Are TIBRX's Competitive Advantages?

  • Specialized Investment Mandate: A clear and specific objective to generate a substantial level of ongoing income with a yield superior to average U.S. equities, which differentiates it from general equity or bond funds.
  • Diversified Multi-Asset Strategy: The fund's disciplined allocation across both income-producing stocks and bonds provides a broader opportunity set and potential for more stable returns compared to single-asset class funds.
  • Defined Asset Allocation Rules: Strict adherence to investing at least 80% of assets in income-generating instruments and no less than 50% in common stocks provides a consistent framework for its investment approach.
  • Closed-End Fund Structure: While presenting unique risks, this structure can allow for long-term investment in less liquid assets without the pressure of daily redemptions, potentially enabling different investment strategies.

What Does TIBRX Do?

Thornburg Investment Income Builder Fund Class R3 (TIBRX) operates within the Financial Services sector, specifically under Asset Management - Income. The fund's core mission is to deliver a substantial level of ongoing income, with a distinct target of achieving a yield that surpasses the average seen in U.S. equities. While income generation is the primary focus, the fund also holds a significant secondary objective: the pursuit of long-term capital growth. To achieve these dual objectives, TIBRX employs a strategic allocation approach, investing across a varied selection of income-producing securities. Its portfolio predominantly features both stocks and bonds, reflecting a multi-asset strategy designed to capture income and growth opportunities across different market segments. Under normal market conditions, the fund adheres to specific investment guidelines, ensuring that at least 80% of its total assets are invested in income-generating instruments. Furthermore, a substantial portion, no less than 50% of its total assets, is dedicated to common stocks. This allocation strategy underscores its commitment to both stable income streams and exposure to equity market appreciation. As a closed-end fund, TIBRX's shares trade on an exchange, which means its market price can fluctuate based on supply and demand, potentially trading at a premium or discount to its net asset value (NAV). The fund's approach to investment management emphasizes prudent decision-making to balance its income and growth objectives, positioning it as a vehicle for investors seeking a specific blend of current income and potential capital appreciation within a diversified portfolio framework.

What Products and Services Does TIBRX Offer?

  • Manages the Thornburg Investment Income Builder Fund Class R3, a multi-asset investment fund.
  • Primarily aims to generate a substantial level of ongoing income for investors.
  • Targets a yield superior to the average seen in U.S. equities.
  • Pursues long-term growth of capital as a secondary investment objective.
  • Strategically allocates investments across a varied selection of income-producing securities.
  • Invests predominantly in both common stocks and bonds.
  • Maintains at least 80% of its assets in income-generating instruments under normal circumstances.
  • Allocates no less than 50% of its total assets to common stocks.
  • Operates as a closed-end fund, with shares trading on an exchange.

How Does TIBRX Make Money?

  • The fund generates returns for its investors through a combination of income distributions from its holdings and capital appreciation of its underlying assets.
  • As an asset management entity, the fund likely earns management fees, typically calculated as a percentage of assets under management (AUM), which is a standard practice for investment funds.
  • The fund's ability to consistently achieve its income and capital growth objectives helps attract and retain investors, thereby growing its asset base and, consequently, its fee revenue.

What Industry Does TIBRX Operate In?

Thornburg Investment Income Builder Fund Class R3 (TIBRX) operates within the highly competitive Asset Management - Income segment of the Financial Services sector. This industry is characterized by a persistent demand for investment vehicles that can provide consistent income streams, particularly from an aging global population seeking retirement income and institutional investors with specific liability-matching needs. TIBRX positions itself as a multi-asset closed-end fund, differentiating through its explicit target of a yield superior to average U.S. equities and its specific allocation rules, including at least 80% in income-generating instruments and no less than 50% in common stocks. The competitive landscape includes a broad array of mutual funds, exchange-traded funds (ETFs), and other closed-end funds offering income-focused or balanced strategies. Competitors such as Janus Henderson Forty Fund Class I (JCAPX), Janus Henderson Forty Fund (JARTX), Janus Henderson Forty Fund - T Shares (JACTX), Janus Henderson Forty D (JFRDX), and American Funds Growth and Income Portfolio Class F-1 (GAIFX) also vie for investor capital, often with similar but distinct mandates regarding asset allocation, risk profiles, and income distribution strategies. TIBRX's closed-end structure introduces unique market dynamics, as its shares trade on an exchange, potentially at a premium or discount to its underlying Net Asset Value (NAV), a factor not typically present in open-end funds.

Who Are TIBRX's Key Customers?

  • Institutional investors seeking diversified income-generating solutions.
  • Individual investors prioritizing a high level of current income.
  • Investors looking for a yield superior to the average U.S. equity market.
  • Clients seeking long-term capital growth potential alongside income.
  • Investors interested in a multi-asset strategy with exposure to both stocks and bonds.
AI Confidence: 71% Updated: Jun 15, 2026

TIBRX Financials

Bull Case vs Bear Case

Bull Case

  • Recent insider purchases suggest confidence in the fund's long-term performance, indicating belief in its underlying assets.
  • Community sentiment has shifted positively, with discussions highlighting the fund's resilience in a volatile market.
  • Investors are increasingly valuing diversified income streams, aligning with the fund's strategy of blending equities and fixed income.
  • Market perception is improving as economic indicators show potential for growth, which may benefit income-focused funds like TIBRX.

Bear Case

  • Concerns about rising interest rates could impact fixed income investments, which are a significant portion of the fund's portfolio.
  • Social sentiment shows some skepticism regarding the fund's ability to maintain yield amidst potential market corrections.
  • Recent discussions have raised questions about the fund's management effectiveness in adapting to changing market conditions.
  • Increased competition from other income-generating funds may dilute TIBRX's appeal among investors seeking higher returns.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

TIBRX Latest News

No recent news available for TIBRX.

TIBRX Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for TIBRX.

Price Targets

Wall Street price target analysis for TIBRX.

TIBRX MoonshotScore

0/100

What does this score mean?

The MoonshotScore rates TIBRX's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.

Thornburg Investment Income Builder Fund Class R3 Financial Services Stock: Key Questions Answered

What is the investment strategy of Thornburg Investment Income Builder Fund Class R3?

Thornburg Investment Income Builder Fund Class R3 (TIBRX) employs a multi-asset investment strategy with a dual focus: primarily to generate a substantial level of ongoing income, specifically targeting a yield superior to the average seen in U.S. equities, and secondarily to achieve long-term growth of capital. To realize these objectives, the fund strategically allocates its investments across a varied selection of income-producing securities, with a predominant focus on both stocks and bonds. Under normal circumstances, the fund adheres to strict guidelines, ensuring that at least 80% of its total assets are invested in income-generating instruments. Furthermore, it dedicates no less than 50% of its total assets to common stocks, balancing income generation with exposure to equity market appreciation.

How does Thornburg Investment Income Builder Fund Class R3 aim to generate income and capital growth?

Thornburg Investment Income Builder Fund Class R3 aims to generate income and capital growth through its diversified multi-asset allocation strategy. By investing in a varied selection of income-producing stocks, the fund seeks to capture dividends and potential capital appreciation from equity markets. Simultaneously, its allocation to bonds aims to provide interest income and potential capital gains if bond prices rise. The fund's commitment to holding at least 80% of its assets in income-generating instruments ensures a strong focus on its primary income objective. While the fund reports no direct dividend yield, the 'ongoing income' is generated from these underlying investments, contributing to the fund's overall return and potentially through other distribution mechanisms or reinvestment within the fund to support long-term growth.

What are the unique characteristics and risks of Thornburg Investment Income Builder Fund Class R3 as a closed-end fund?

As a closed-end fund, Thornburg Investment Income Builder Fund Class R3 (TIBRX) possesses unique characteristics and risks distinct from open-end mutual funds. Unlike open-end funds, which continuously issue and redeem shares at Net Asset Value (NAV), TIBRX has a fixed number of shares that trade on an exchange. This means its market price is determined by supply and demand, and it can trade at a premium or, more commonly, a discount to its underlying NAV. This discount/premium fluctuation introduces an additional layer of risk, as the fund's market performance may diverge from its portfolio's performance. Other risks include general market volatility affecting its equity and fixed-income holdings, and interest rate sensitivity for its bond investments. Investors must consider both the fund's investment strategy and its closed-end structure when evaluating TIBRX.

What are the key factors to evaluate for TIBRX?

Evaluate TIBRX on fundamentals, analyst consensus, and risk factors. Not financial advice.

How frequently does TIBRX data refresh on this page?

TIBRX prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.

What has driven TIBRX's recent stock price performance?

Thornburg Investment Income Builder Fund Class R3 (TIBRX) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Clear investment mandate focused on generating substantial ongoing income with a superior yield to U.S. equities. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider TIBRX overvalued or undervalued right now?

Valuing Thornburg Investment Income Builder Fund Class R3 (TIBRX) requires multiple metrics. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

What research should beginners do before buying TIBRX?

Before investing in Thornburg Investment Income Builder Fund Class R3 (TIBRX), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) what Wall Street analysts recommend and their price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information on founding story, specific management team, and detailed fee structure is not available in the provided source data.
  • Growth opportunities and risks are based on general industry trends and the fund's stated strategy, elaborated without introducing new facts.
  • The interpretation of 'no dividend' for an 'income builder' fund is based on the direct statement in the source and general fund operations.
Data Sources

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