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Thornburg Investment Income Builder Fund Class C (TIBCX) Fund Overview

Educational signal · not a buy or sell recommendation · How to read this

$37.36 +$0.21 (+0.57%)

Beta 0.77: the stock has moved about 23% less than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.5-flash, generated Jun 14, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

Thornburg Investment Income Builder Fund Class C (TIBCX) trades at $37.36. Thornburg Investment Income Builder Fund Class C (TIBCX) primarily aims to generate a substantial stream of current income, targeting a yield higher than typical U.S. equities. Sector: Financials.

Price as of · Last analyzed: Jun 14, 2026
Thornburg Investment Income Builder Fund Class C (TIBCX) primarily aims to generate a substantial stream of current income, targeting a yield higher than typical U.S. equities. Its secondary objective is long-term capital appreciation, achieved through a diverse portfolio predominantly comprising equities and fixed-income instruments.

Analyst Coverage for TIBCX: TIBCX does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage.

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Thornburg Investment Income Builder Fund Class C (TIBCX) Financial Services Profile

HeadquartersSanta Fe, US
IPO Year2002

Thornburg Investment Income Builder Fund Class C (TIBCX) is an asset management fund primarily focused on generating a substantial stream of current income, targeting yields above typical U.S. equities. It achieves this through strategic allocation across a diversified portfolio, predominantly comprising equities and fixed-income instruments, with a secondary objective of long-term capital appreciation.

Data Provenance | Financial Data Quantitative Analysis Analysis: Jun 14, 2026

What Is the Investment Thesis for TIBCX?

AI-written as of Jun 14, 2026 — figures and tone reflect the data available then, not today's score.

Thornburg Investment Income Builder Fund Class C (TIBCX) presents an investment profile centered on its dual objectives of generating substantial current income and achieving long-term capital appreciation. With a market capitalization of $22.73 billion, the fund operates with a beta of 0.77, indicating lower volatility compared to the broader market. A primary value driver is its strategic mandate to deploy at least 80% of total assets into income-generating investments, with common stocks comprising no less than 50% of the portfolio. This allocation strategy aims to provide a yield higher than typical U.S. equities. Growth catalysts are intrinsically linked to the fund's ability to effectively manage its diversified portfolio of global fixed income and equity securities, capitalizing on market opportunities that favor income-producing assets and judiciously selecting securities for capital growth. The fund's diversified approach across multiple sectors is a strength, potentially smoothing returns. However, as a closed-end fund, its market price can diverge from its net asset value, introducing a potential risk factor. Investors must monitor this discount/premium to NAV, alongside the fund's asset allocation, to assess its ongoing performance and value proposition. The absence of a direct dividend yield from the fund itself suggests that income is primarily generated and reinvested within the fund or distributed via other mechanisms not specified as a direct dividend.

Based on FMP financials and quantitative analysis

TIBCX Key Highlights

AI-written as of Jun 14, 2026 — figures and tone reflect the data available then, not today's score.

Market capitalization stands at $22.73 billion, reflecting a significant scale within the asset management industry.

  • The fund exhibits a Beta of 0.77, indicating lower volatility relative to the broader market, which may appeal to risk-averse investors.
  • TIBCX has a stated dividend yield of None, implying that income generated is primarily reinvested or distributed through other mechanisms not classified as a direct dividend.
  • Under normal circumstances, at least 80% of the fund's total assets are deployed into income-generating investments, underscoring its primary objective.
  • Common stocks make up no less than 50% of the portfolio, balancing income generation with potential for long-term capital appreciation.

Who Are TIBCX's Competitors?

TIBCX is benchmarked below against 6 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap MoonshotScore
JCAPX Janus Henderson Forty Fund Class I $66.57 +1.42% $25.7B —
JFRDX Janus Henderson Forty D $58.65 +1.40% $25.7B —
JARTX Janus Henderson Forty Fund $56.12 +1.41% $25.0B —
JACTX Janus Henderson Forty Fund - T Shares $59.62 +1.39% $25.7B —
GAIFX American Funds Growth and Income Portfolio Class F-1 $22.98 +0.39% $23.3B —
EICA Eagle Point Income Company Inc. $24.99 -0.04% $234M 36 5-pillar

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

What Are TIBCX's Key Strengths?

Clearly defined primary objective of generating substantial current income, appealing to income-focused investors.

  • Diversified portfolio strategy across global equities and fixed-income instruments, potentially reducing overall risk.
  • Significant market capitalization of $22.73 billion, suggesting scale and established presence in the market.
  • Lower Beta of 0.77 indicates reduced volatility compared to the broader market, offering relative stability.

What Are TIBCX's Weaknesses?

As a closed-end fund, its market price can trade at a discount or premium to its Net Asset Value (NAV), which may not always reflect the underlying asset value.

  • The fund itself does not pay a direct dividend, as indicated by 'Dividend Yield: None', which might be a consideration for some income-focused investors.
  • Performance is highly dependent on the effectiveness of active management in selecting income-generating and growth assets.
  • Subject to market price fluctuations that may differ from its underlying asset value due to its closed-end fund structure.

What Are the Key Risks for TIBCX?

Market price fluctuations of the closed-end fund relative to its Net Asset Value (NAV), which can lead to shares trading at a discount or premium, impacting investor returns.

  • Interest rate sensitivity impacting the fixed income portion of the portfolio, where rising rates could decrease bond values and potentially reduce income streams.
  • Equity market downturns affecting the capital appreciation component of the fund, as a significant portion of assets is allocated to common stocks.
  • Inability to consistently achieve its primary objective of a substantial current income yield higher than typical U.S. equities due to challenging market conditions or asset underperformance.
  • Increased competition from a growing number of income-focused investment products, potentially impacting the fund's ability to attract and retain assets.

What Threats Does TIBCX Face?

  • Significant market volatility in global equity and fixed income markets could negatively impact both income generation and capital appreciation.
  • Fluctuations in interest rates can adversely affect the value of fixed-income holdings and the attractiveness of income-generating assets.
  • Intense competition from a wide array of other income-focused mutual funds, ETFs, and closed-end funds.
  • Potential for regulatory changes in the financial services and asset management industries that could impact fund operations or investment strategies.

What Are TIBCX's Competitive Advantages?

  • **Diversified Asset Allocation Strategy**: The fund's mandate to invest across both equities and fixed-income instruments, with specific allocation thresholds, provides a robust framework for risk management and return generation, differentiating it from single-asset-class funds.
  • **Explicit Income Objective**: Its primary aim to generate a yield higher than typical U.S. equities, backed by a minimum 80% allocation to income-generating assets, clearly defines its value proposition for income-seeking investors.
  • **Scale and Resources**: With a market capitalization of $22.73 billion, the fund likely benefits from significant resources for research, trading, and portfolio management, which can be a competitive advantage in asset selection.
  • **Active Management Expertise**: The fund's strategy relies on active management to identify and select global fixed income and equity securities, suggesting a competitive edge through skilled portfolio construction and dynamic adjustments to market conditions.

What Does TIBCX Do?

Thornburg Investment Income Builder Fund Class C (TIBCX) operates within the Financial Services sector, specializing in Asset Management - Income, with its headquarters located in Santa Fe, US. The fund's foundational objective is to generate a substantial stream of current income for its investors, specifically targeting a yield that surpasses the typical returns observed from U.S. equities. Complementing this primary goal, the fund also pursues long-term capital appreciation as a secondary objective. To achieve these dual aims, TIBCX strategically allocates capital across a diverse portfolio of assets specifically designed to produce income. This portfolio predominantly comprises a blend of equities and fixed-income instruments. Under normal operating circumstances, the fund adheres to a strict mandate, deploying at least 80% of its total assets into income-generating investments. Furthermore, common stocks are required to constitute no less than half of the portfolio, ensuring a significant equity component within its income-focused strategy. As a closed-end fund, TIBCX aims to deliver both current income and capital appreciation through its investments in a diversified array of global fixed income and equity securities. The fund's strategy emphasizes a broad allocation across multiple sectors, which is considered a core strength, as it helps mitigate concentration risks associated with focusing on a single asset class or sector. Investors in TIBCX are typically those seeking a consistent income stream, making the fund's explicit focus on income-generating investments a key differentiator. The fund's structure as a closed-end fund means its shares trade on an exchange, and their market price can fluctuate independently of the fund's net asset value (NAV). This characteristic requires investors to monitor the fund's trading premium or discount to its underlying asset value. The operational framework of TIBCX is designed to adapt to various market conditions, dynamically adjusting its asset allocation to optimize for both income generation and capital growth.

What Products and Services Does TIBCX Offer?

  • Manages an investment fund focused on generating current income and capital appreciation.
  • Aims to provide a yield higher than typical returns from U.S. equities.
  • Invests strategically across a diverse portfolio of income-generating assets.
  • Primarily allocates capital into a blend of equities and fixed-income instruments.
  • Deploys at least 80% of its total assets into income-producing investments under normal circumstances.
  • Ensures common stocks make up no less than 50% of the overall portfolio.
  • Operates as a closed-end fund, meaning its shares trade on an exchange.
  • Seeks long-term capital appreciation as a secondary investment objective.

How Does TIBCX Make Money?

  • Generates returns for investors through a combination of current income from its diversified portfolio and capital appreciation from its equity holdings.
  • Charges management fees for actively managing the fund's assets, which is a standard practice for investment funds.
  • Invests in a broad spectrum of global fixed income and equity securities to optimize for both income generation and capital growth.
  • Manages a significant asset base, with a market capitalization of $22.73 billion, to achieve economies of scale in its investment operations.

What Industry Does TIBCX Operate In?

TIBCX operates within the highly competitive Asset Management - Income industry, a segment of the broader Financial Services sector. This industry is characterized by a strong demand for investment vehicles that provide consistent income streams, particularly in varying interest rate environments and for investors seeking alternatives to traditional fixed-income products. The competitive landscape includes a wide array of mutual funds, exchange-traded funds (ETFs), and other closed-end funds that also target income generation and capital appreciation. TIBCX differentiates itself through its specific mandate to allocate at least 80% of its total assets to income-generating investments, with a significant portion (no less than 50%) in common stocks, aiming for a yield higher than typical U.S. equities. This positions the fund as a blended income and growth option, appealing to investors looking for both current payouts and long-term capital appreciation within a diversified framework. The industry is influenced by global economic conditions, interest rate policies, and investor risk appetite, all of which impact the performance of income-generating assets and equity markets.

Who Are TIBCX's Key Customers?

  • Institutional investors seeking diversified income and growth opportunities.
  • Individual investors prioritizing a substantial stream of current income.
  • Investors looking for long-term capital appreciation alongside income generation.
  • Those seeking exposure to a professionally managed, diversified blend of global equities and fixed income.
  • Investors who understand and are comfortable with the characteristics of closed-end funds.
Model self-rating on this text: 73% (not a measure of the evidence) Updated: Jun 14, 2026

Research confidence

Low

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • ● Scoring coverage unknown
  • ● Price is current
  • ● No filing on record
  • ● No analyst coverage
  • ● This is a fund, not an operating company

MoonshotScore History

Recorded daily since 2026-08-23 · 42 snapshots

2026-08-23 47
2026-08-31 47
2026-09-08 47
2026-09-16 47
2026-09-24 47
2026-10-04 47
2026-10-05 47

What changed?

The score has stayed at 47.

Over the same 30 days the stock moved -3.8%.

TIBCX Financials

Bull Case vs Bear Case

Bull Case

  • Clearly defined primary objective of generating substantial current income, appealing to income-focused investors.
  • Diversified portfolio strategy across global equities and fixed-income instruments, potentially reducing overall risk.
  • Significant market capitalization of $22.73 billion, suggesting scale and established presence in the market.
  • Lower Beta of 0.77 indicates reduced volatility compared to the broader market, offering relative stability.

Bear Case

  • As a closed-end fund, its market price can trade at a discount or premium to its Net Asset Value (NAV), which may not always reflect the underlying asset value.
  • The fund itself does not pay a direct dividend, as indicated by 'Dividend Yield: None', which might be a consideration for some income-focused investors.
  • Performance is highly dependent on the effectiveness of active management in selecting income-generating and growth assets.
  • Subject to market price fluctuations that may differ from its underlying asset value due to its closed-end fund structure.

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

TIBCX Latest News

TIBCX Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for TIBCX.

Price Targets

Wall Street price target analysis for TIBCX.

TIBCX MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for TIBCX; grades run from A+ (80-100) to F (below 30).

TIBCX Financials Stock FAQ

How does the closed-end fund structure impact investors in TIBCX?

As a closed-end fund, TIBCX's shares trade on a stock exchange, meaning their market price can fluctuate independently of the fund's underlying Net Asset Value (NAV).

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

MoonshotScore is not published for this security.

Data Sources & Methodology
Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures. 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
  • The absence of a direct dividend yield for the fund itself, as stated in the financials, is noted, while the fund's objective is to generate income for investors.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis