Trailblazer Merger Corp. ITBMC
13F holders, Q3 2025 (September 30)12holders −3
1new positions
4sold out
$11.73avg. 13F price*
At the end of Q3 2025, 12 institutions reported holding Trailblazer Merger Corp. I (TBMC) in their 13F filings, down 3 from Q2 2025. 1 opened new positions and 4 sold out. The largest holders were AQR Arbitrage LLC ($5.1M), Harraden Circle Investments, LLC ($2.5M) and Berkley W R Corp. ($2.4M).
- Company
- Trailblazer Merger Corp. I
- CUSIP
- 89278D109
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $216K |
| Exits | 4 | $4.6M |
All 13F filers, Q2 2025 → Q3 2025: 110,829 shares bought and 396,520 shares sold, net −285,691 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 12 holders
| AQR Arbitrage LLC | 0.18% | Reduce -0.4% | 435,910 | $5.1M |
| Harraden Circle Investments, LLC | 0.55% | No change | 217,972 | $2.5M |
| Berkley W R Corp. | 0.16% | No change | 205,817 | $2.4M |
| Clear Street Group Inc. | 0.01% | — | 186,875 | $2.2M |
| Rivernorth Capital Management, LLC | 0.11% | Reduce -0.6% | 160,109 | $1.9M |
| Shay Capital LLC | 0.30% | Add +194.9% | 140,273 | $1.6M |
| Atw Spac Management LLC | 2.04% | No change | 133,434 | $1.6M |
| Boothbay Fund Management, LLC | 0.04% | No change | 133,434 | $1.6M |
| Glazer Capital, LLC | 0.02% | No change | 47,600 | $556K |
| TrueMark Investments, LLC | 0.04% | New | 18,109 | $216K |
| UBS Group AG | 0.00% | Reduce -19.8% | 7,267 | $85K |
| Morgan Stanley | 0.00% | Add +41.7% | 17 | $199 |
"% of holder's portfolio" is TBMC's weight in each manager's 13F, not the share of Trailblazer Merger Corp. I the manager owns.