TMB — THORNBURG MULTI SECTOR B ETF
As of Q2 2026, 3 SEC-registered investment managers reported holding TMB (THORNBURG MULTI SECTOR B ETF) in their latest 13F filings, with a combined reported value of $1.04M across 40.84K shares. That is -77.2% by share count (-138.47K shares) versus the previous quarter, while reported value moved -77.3%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 1 opened new positions, 1 added to existing stakes, 1 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Goldman Sachs Group history | Q2 2026 | 33.01K | $836.78K | 0.00% | Reduce |
| Citadel Advisors history | Q1 2026 | 12.79K | $326.20K | 0.00% | Reduce |
| JPMorgan Chase & Co history | Q2 2026 | 7.12K | $181.46K | 0.00% | New |
| Morgan Stanley history | Q2 2026 | 709 | $17.97K | 0.00% | Add |
| UBS Group AG history | Q1 2026 | 106 | $2.70K | 0.00% | New |
New Positions (Q2 2026)
- JPMorgan Chase & Co 7.12K sh · $181.46K
Fully Exited (vs previous quarter)
- Citadel Advisors sold 12.79K sh · $326.20K
- UBS Group AG sold 106 sh · $2.70K
Fund Position History — shares by quarter (top 5 funds)
| Fund | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|
| Goldman Sachs Group | — | 10.68K | 39.33K | 165.96K | 33.01K |
| JPMorgan Chase & Co | 221 | 455 | 1.95K | — | 7.12K |
| Morgan Stanley | — | 462 | 848 | 462 | 709 |
| Citadel Advisors | 18.70K | 9.65K | 26.04K | 12.79K | — |
| UBS Group AG | — | — | — | 106 | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details