Total Holdings
643
As of Oct 4, 2026
Thornburg Multi Sector Bond ETF
TMBNASDAQThornburgFixed Income
$24.93Today:- (-)1Y −3.56%
As of Oct 23, 2026 close
- Assets (AUM)
- $262.26M
- Expense ratio
- 0.55%
- Dividend yield
- 4.37%
- Holdings
- 643
- 52-week range
- $24.42$26.52
- Volume (live)
- -
- Avg. volume (3M)
- 126.04K
TMB ETF Holdings: Thornburg Multi Sector Bond ETF
Every listed position with its portfolio weight, plus sector breakdown and geographic exposure for this Fixed Income ETF. Analyze fund diversification and concentration.
Top 10 Holdings
20.3%
Share of fund assets
Assets (AUM)
$262.26M
Total fund assets
Expense Ratio
0.55%
Annual management fee
Portfolio Allocations
Distribution breakdown by sector, asset type, and geographic region. Understand the fund's diversification strategy across markets and asset classes.
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Top 25 of 643 TMB Holdings by Portfolio Weight
Holdings as of Oct 4, 2026. Ticker, name, asset type and portfolio weight for each position. Fund disclosures available to us list the largest 25 positions.
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| # | Symbol | Name | Type | Weight |
|---|---|---|---|---|
| 1 | WIT.4.625 08.15.36 | United States Treasury Notes 4.625% | Stock | 10.06% |
| 2 | T.4.25 06.30.33 | United States Treasury Notes 4.25% | Stock | 2.37% |
| 3 | T.2.875 08.15.45 | United States Treasury Bonds 2.875% | Stock | 1.57% |
| 4 | FR.RQ0146 | Federal Home Loan Mortgage Corp. 5.5% | Stock | 1.09% |
| 5 | FN.FA5159 | Fnma Pass-Thru I 3% | Stock | 0.98% |
| 6 | T.4.375 08.31.31 | United States Treasury Notes 4.375% | Stock | 0.98% |
| 7 | SP.0 05.15.56 | U.S. Treasury Bond Stripped Principal Payment 0% | Stock | 0.89% |
| 8 | FN.MA5497 | Federal National Mortgage Association 5.5% | Stock | 0.88% |
| 9 | FN.MA4399 | Federal National Mortgage Association 2.5% | Stock | 0.85% |
| 10 | FR.SD8178 | Federal Home Loan Mortgage Corp. 2.5% | Stock | 0.61% |
| 11 | FN.MA6177 | Federal National Mortgage Association 6% | Stock | 0.56% |
| 12 | FN.MA6051 | Federal National Mortgage Association 4% | Stock | 0.49% |
| 13 | S.0 05.15.42 | U.S. Treasury Security Stripped Interest Security 0% | Stock | 0.48% |
| 14 | FN.FS9660 | Federal National Mortgage Association 5.5% | Stock | 0.39% |
| 15 | T.3.75 08.31.31 | United States Treasury Notes 3.75% | Stock | 0.36% |
| 16 | BNY.V3.75 PERP I | The Bank of New York Mellon Corp. 3.75% | Stock | 0.36% |
| 17 | FNR.2025-104 DA | Federal National Mortgage Association 5% | Stock | 0.35% |
| 18 | FNR.2026-38 BA | Federal National Mortgage Association 5% | Stock | 0.35% |
| 19 | FHR.5653 DE | FEDERAL HOME LN MTG CORP MULTICLASS MTG PARTN CTFS GTD 4.75% | Stock | 0.34% |
| 20 | RMIT.2024-2 A | Regional Management Issuance Trust 2024-2 5.11% | Stock | 0.34% |
| 21 | MFRA.2026-NPL1 A1 | MFA 2026-NPL1 LLC 5.889% | Stock | 0.33% |
| 22 | FR.SD8491 | Federal Home Loan Mortgage Corp. 5% | Stock | 0.33% |
| 23 | TMHC.5.75 11.15.32 144A | Taylor Morrison Communities Inc 5.75% | Stock | 0.32% |
| 24 | BIO.3.3 03.15.27 | Bio-Rad Laboratories, Inc. 3.3% | Stock | 0.32% |
| 25 | RZC | 7.125% Fixed-Rate Reset Subordinated Debentures due 2052 | Unknown | 0.30% |
Source: Fund holdings disclosures. Data as of Oct 4, 2026. Data sources and methodology
Frequently Asked Questions About Thornburg Multi Sector Bond ETF Holdings
What are the top holdings in TMB?
As of Oct 4, 2026, Thornburg Multi Sector Bond ETF (TMB) holds 643 securities. The largest are United States Treasury Notes 4.625% (10.06%), United States Treasury Notes 4.25% (2.37%), United States Treasury Bonds 2.875% (1.57%). The holdings table lists each position by portfolio weight with its ticker, name and asset type.
How concentrated is TMB's portfolio?
As of Oct 4, 2026, the 10 largest positions make up 20.3% of TMB's assets. A concentrated portfolio has fewer large positions with higher individual weights, while a diversified portfolio distributes holdings more evenly.
What is TMB's sector allocation?
The Sector Allocation chart shows how TMB distributes investments across different industries like Technology, Healthcare, Financials, and more. This sector exposure helps understand the fund's industry diversification strategy.
What countries does TMB invest in?
TMB's geographic exposure is shown in the Countries tab under Portfolio Allocations. This reveals the fund's international diversification and exposure to different regions and global markets.
How diversified is TMB ETF?
TMB's diversification can be assessed by reviewing its 643 holdings (as of Oct 4, 2026), sector allocation, and geographic exposure. A well-diversified ETF spreads investments across multiple securities, sectors, and regions to reduce concentration risk.