Tourmaline Bio, Inc.
TRMLDelisted Oct 28, 2025- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001827506
Tourmaline Bio, Inc. was delisted on Oct 28, 2025; its insiders filed their last Form 4 on Oct 28, 2025; 134 institutions reported holding it in 13F filings for Q3 2025, worth $1.03B in total; no superinvestor held it.
13F holders, Q2 2024
Institutional positions in Tourmaline Bio, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 84
- −11 vs. Q1 2024
- Shares held
- 21.2M
- +613.3K (+3.0%) vs. Q1 2024
- Total value
- $272.0M
- −$197.4M (−42.1%) vs. Q1 2024
- New holders
- 20
- 36 more added
- Sold out
- 31
- 14 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TRML on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 134 | $1.03B |
| Q2 2025 | 109 | $384.8M |
| Q1 2025 | 107 | $364.3M |
| Q4 2024 | 101 | $463.6M |
| Q3 2024 | 92 | $540.7M |
| Q2 2024 | 84 | $272.0M |
| Q1 2024 | 96 | $469.9M |
| Q4 2023 | 54 | $338.2M |
| Q3 2023 | 49 | $77.1M |
| Q2 2023 | 58 | $79.7M |
| Q1 2023 | 54 | $50.6M |
| Q4 2022 | 54 | $27.4M |
| Q3 2022 | 56 | $72.1M |
| Q2 2022 | 59 | $130.4M |
| Q1 2022 | 51 | $286.9M |
| Q4 2021 | 51 | $456.7M |
| Q3 2021 | 48 | $349.4M |
| Q2 2021 | 50 | $379.4M |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 2,538,925 | $32.7M | 0.43% | +2,538,925 | New |
| Avoro Capital Advisors LLC | 2,222,222 | $28.6M | 0.38% | 00.0% | Unchanged |
| BlackRock Inc. | 1,724,216 | $22.2M | 0.00% | +1,228,841+248.1% | Added |
| Blue Owl Capital Holdings LP | 1,715,401 | $22.1M | 6.14% | +268,000+18.5% | Added |
| TCG Crossover Management, LLC | 1,477,593 | $19.0M | 1.98% | 00.0% | Unchanged |
| Jennison Associates LLC | 1,127,691 | $14.5M | 0.01% | +12,440+1.1% | Added |
| Vanguard Group Inc | 1,047,122 | $13.5M | 0.00% | +132,603+14.5% | Added |
| Qiming U.S. Ventures Management, LLC | 741,691 | $9.54M | 18.13% | 00.0% | Unchanged |
| RTW Investments, LP | 741,656 | $9.54M | 0.15% | 00.0% | Unchanged |
| QVT Financial LP | 711,275 | $9.15M | 0.86% | −237,091−25.0% | Reduced |
| Nantahala Capital Management, LLC | 700,907 | $9.01M | 0.91% | 00.0% | Unchanged |
| Vivo Capital, LLC | 591,882 | $7.61M | 0.70% | 00.0% | Unchanged |
| Citadel Advisors LLC | 486,968 | $6.26M | 0.01% | +332,108+214.5% | Added |
| Geode Capital Management, LLC | 453,073 | $5.83M | 0.00% | +279,196+160.6% | Added |
| State Street Corp | 328,031 | $4.22M | 0.00% | +294,288+872.1% | Added |
| Morgan Stanley | 327,942 | $4.22M | 0.00% | +311,623+1,909.6% | Added |
| Velan Capital Investment Management LP | 319,080 | $4.10M | 2.35% | 00.0% | Unchanged |
| Acuta Capital Partners, LLC | 269,614 | $3.47M | 2.92% | +8,506+3.3% | Added |
| Alyeska Investment Group, L.P. | 250,000 | $3.21M | 0.02% | +175,000+233.3% | Added |
| FMR LLC | 236,728 | $3.04M | 0.00% | −2,297−1.0% | Reduced |
| Eversept Partners, LP | 204,781 | $2.63M | 0.20% | +204,781 | New |
| Marshall Wace, LLP | 170,447 | $2.19M | 0.00% | +31,029+22.3% | Added |
| Two Sigma Investments, LP | 163,234 | $2.10M | 0.00% | +138,687+565.0% | Added |
| Woodline Partners LP | 157,947 | $2.03M | 0.02% | +588+0.4% | Added |
| Schonfeld Strategic Advisors LLC | 154,431 | $1.99M | 0.02% | −27,529−15.1% | Reduced |
| Nan Fung Group Holdings Ltd | 146,800 | $1.89M | 2.01% | +125,813+599.5% | Added |
| Suvretta Capital Management, LLC | 125,000 | $1.61M | 0.07% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 108,483 | $1.40M | 0.44% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 107,408 | $1.38M | 0.00% | −90,511−45.7% | Reduced |
| Renaissance Technologies LLC | 100,076 | $1.29M | 0.00% | +64,950+184.9% | Added |
| Qube Research & Technologies Ltd | 98,314 | $1.26M | 0.00% | +10,699+12.2% | Added |
| Superstring Capital Management LP | 95,229 | $1.22M | 1.54% | +25,257+36.1% | Added |
| Artal Group S.A. | 91,426 | $1.18M | 0.03% | −223,070−70.9% | Reduced |
| HighVista Strategies LLC | 83,397 | $1.07M | 0.39% | +30,345+57.2% | Added |
| Nuveen Asset Management, LLC | 79,845 | $1.03M | 0.00% | +79,845 | New |
| Walleye Capital LLC | 78,907 | $1.01M | 0.01% | +78,907 | New |
| DAFNA Capital Management LLC | 75,982 | $977.1K | 0.23% | +75,982 | New |
| AlphaCentric Advisors LLC | 75,000 | $964.5K | 0.71% | +13,900+22.7% | Added |
| Prudential Financial Inc | 72,335 | $930.2K | 0.00% | +1,335+1.9% | Added |
| Bank of New York Mellon Corp | 70,697 | $909.2K | 0.00% | +70,697 | New |
| Two Sigma Advisers, LP | 62,419 | $802.7K | 0.00% | +42,300+210.2% | Added |
| Bank of America Corp | 62,011 | $797.5K | 0.00% | +54,176+691.5% | Added |
| Charles Schwab Investment Management Inc | 61,424 | $789.9K | 0.00% | +61,424 | New |
| HighTower Advisors, LLC | 53,418 | $688.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 47,414 | $609.7K | 0.00% | +11,312+31.3% | Added |
| Susquehanna International Group, LLP | 41,204 | $529.9K | 0.00% | −48,681−54.2% | Reduced |
| Algert Global LLC | 39,866 | $512.7K | 0.02% | +21,965+122.7% | Added |
| Wellington Management Group LLP | 38,034 | $489.1K | 0.00% | +13,089+52.5% | Added |
| Cubist Systematic Strategies, LLC | 37,861 | $486.9K | 0.01% | +37,861 | New |
| SG Americas Securities, LLC | 33,666 | $433.0K | 0.00% | +33,666 | New |
| Rhumbline Advisers | 33,239 | $427.4K | 0.00% | +33,123+28,554.3% | Added |
| Boothbay Fund Management, LLC | 31,633 | $406.8K | 0.01% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 31,388 | $403.6K | 0.00% | +22,488+252.7% | Added |
| Jump Financial, LLC | 27,782 | $357.3K | 0.01% | +27,782 | New |
| Swiss National Bank | 25,200 | $324.1K | 0.00% | −6,800−21.3% | Reduced |
| Alpine Global Management, LLC | 22,648 | $291.3K | 0.05% | +22,648 | New |
| ADAR1 Capital Management, LLC | 21,060 | $270.8K | 0.05% | +9,500+82.2% | Added |
| Alps Advisors Inc | 19,989 | $257.1K | 0.00% | +19,989 | New |
| Legal & General Group Plc | 19,224 | $247.2K | 0.00% | +4,211+28.0% | Added |
| Bridgeway Capital Management, LLC | 17,267 | $222.1K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 14,480 | $186.2K | 0.00% | +13,134+975.8% | Added |
| California State Teachers Retirement System | 13,321 | $171.3K | 0.00% | −1,257−8.6% | Reduced |
| JPMorgan Chase & Co | 12,704 | $163.4K | 0.00% | +6,574+107.2% | Added |
| Corebridge Financial, Inc. | 12,419 | $159.8K | 0.00% | +12,419 | New |
| Invesco Ltd. | 11,859 | $152.5K | 0.00% | −115,045−90.7% | Reduced |
| State of Wisconsin Investment Board | 11,686 | $150.3K | 0.00% | −297−2.5% | Reduced |
| Janus Henderson Group PLC | 11,500 | $147.7K | 0.00% | −93−0.8% | Reduced |
| Wells Fargo & Company | 10,143 | $130.4K | 0.00% | +10,017+7,950.0% | Added |
| UBS Group AG | 9,700 | $124.7K | 0.00% | +6,879+243.8% | Added |
| Deutsche Bank AG | 9,303 | $119.6K | 0.00% | +9,303 | New |
| New York State Common Retirement Fund | 9,300 | $119.6K | 0.00% | +9,300 | New |
| Barclays PLC | 8,297 | $106.7K | 0.00% | +5,055+155.9% | Added |
| Citigroup Inc | 5,726 | $73.6K | 0.00% | −3,081−35.0% | Reduced |
| Quest Partners LLC | 3,822 | $49.2K | 0.01% | +2,189+134.0% | Added |
| China Universal Asset Management Co., Ltd. | 3,012 | $38.7K | 0.01% | −1,927−39.0% | Reduced |
| Royal Bank of Canada | 2,440 | $31.0K | 0.00% | +2,440 | New |
| Ameritas Investment Partners, Inc. | 2,262 | $29.1K | 0.00% | +2,262 | New |
| Tower Research Capital LLC (TRC) | 1,648 | $21.2K | 0.00% | +240+17.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 766 | $10.1K | 0.00% | +766 | New |
| Amalgamated Bank | 799 | $10.0K | 0.00% | +799 | New |
| Advisor Group Holdings, Inc. | 250 | $3.21K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 104 | $1.00K | 0.00% | −1,914−94.8% | Reduced |
| Daiwa Securities Group Inc. | 95 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 9 | $0 | 0.00% | +9 | New |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −1,595,400−100.0% | Sold out |
| Cormorant Asset Management, LP | 0 | $0 | 0.00% | −1,250,000−100.0% | Sold out |
| Braidwell LP | 0 | $0 | 0.00% | −906,820−100.0% | Sold out |
| Darwin Global Management, Ltd. | 0 | $0 | 0.00% | −465,000−100.0% | Sold out |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −320,916−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −274,219−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −137,587−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −99,208−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −65,442−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −61,307−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −54,165−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Altitude Crest Partners Inc. | 0 | $0 | 0.00% | −47,400−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −43,791−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −40,118−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |