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 |
|---|---|---|---|---|---|
| CWM, LLC | 9 | $0 | 0.00% | +9 | New |
| 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 |
| Advisor Group Holdings, Inc. | 250 | $3.21K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 799 | $10.0K | 0.00% | +799 | New |
| Mirae Asset Global Investments Co., Ltd. | 766 | $10.1K | 0.00% | +766 | New |
| Tower Research Capital LLC (TRC) | 1,648 | $21.2K | 0.00% | +240+17.0% | Added |
| Ameritas Investment Partners, Inc. | 2,262 | $29.1K | 0.00% | +2,262 | New |
| Royal Bank of Canada | 2,440 | $31.0K | 0.00% | +2,440 | New |
| China Universal Asset Management Co., Ltd. | 3,012 | $38.7K | 0.01% | −1,927−39.0% | Reduced |
| Quest Partners LLC | 3,822 | $49.2K | 0.01% | +2,189+134.0% | Added |
| Citigroup Inc | 5,726 | $73.6K | 0.00% | −3,081−35.0% | Reduced |
| Barclays PLC | 8,297 | $106.7K | 0.00% | +5,055+155.9% | Added |
| New York State Common Retirement Fund | 9,300 | $119.6K | 0.00% | +9,300 | New |
| Deutsche Bank AG | 9,303 | $119.6K | 0.00% | +9,303 | New |
| UBS Group AG | 9,700 | $124.7K | 0.00% | +6,879+243.8% | Added |
| Wells Fargo & Company | 10,143 | $130.4K | 0.00% | +10,017+7,950.0% | Added |
| Janus Henderson Group PLC | 11,500 | $147.7K | 0.00% | −93−0.8% | Reduced |
| State of Wisconsin Investment Board | 11,686 | $150.3K | 0.00% | −297−2.5% | Reduced |
| Invesco Ltd. | 11,859 | $152.5K | 0.00% | −115,045−90.7% | Reduced |
| Corebridge Financial, Inc. | 12,419 | $159.8K | 0.00% | +12,419 | New |
| JPMorgan Chase & Co | 12,704 | $163.4K | 0.00% | +6,574+107.2% | Added |
| California State Teachers Retirement System | 13,321 | $171.3K | 0.00% | −1,257−8.6% | Reduced |
| BNP Paribas Arbitrage, SA | 14,480 | $186.2K | 0.00% | +13,134+975.8% | Added |
| Bridgeway Capital Management, LLC | 17,267 | $222.1K | 0.01% | 00.0% | Unchanged |
| Legal & General Group Plc | 19,224 | $247.2K | 0.00% | +4,211+28.0% | Added |
| Alps Advisors Inc | 19,989 | $257.1K | 0.00% | +19,989 | New |
| ADAR1 Capital Management, LLC | 21,060 | $270.8K | 0.05% | +9,500+82.2% | Added |
| Alpine Global Management, LLC | 22,648 | $291.3K | 0.05% | +22,648 | New |
| Swiss National Bank | 25,200 | $324.1K | 0.00% | −6,800−21.3% | Reduced |
| Jump Financial, LLC | 27,782 | $357.3K | 0.01% | +27,782 | New |
| UBS Asset Management Americas Inc | 31,388 | $403.6K | 0.00% | +22,488+252.7% | Added |
| Boothbay Fund Management, LLC | 31,633 | $406.8K | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 33,239 | $427.4K | 0.00% | +33,123+28,554.3% | Added |
| SG Americas Securities, LLC | 33,666 | $433.0K | 0.00% | +33,666 | New |
| Cubist Systematic Strategies, LLC | 37,861 | $486.9K | 0.01% | +37,861 | New |
| Wellington Management Group LLP | 38,034 | $489.1K | 0.00% | +13,089+52.5% | Added |
| Algert Global LLC | 39,866 | $512.7K | 0.02% | +21,965+122.7% | Added |
| Susquehanna International Group, LLP | 41,204 | $529.9K | 0.00% | −48,681−54.2% | Reduced |
| Northern Trust Corp | 47,414 | $609.7K | 0.00% | +11,312+31.3% | Added |
| HighTower Advisors, LLC | 53,418 | $688.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 61,424 | $789.9K | 0.00% | +61,424 | New |
| Bank of America Corp | 62,011 | $797.5K | 0.00% | +54,176+691.5% | Added |
| Two Sigma Advisers, LP | 62,419 | $802.7K | 0.00% | +42,300+210.2% | Added |
| Bank of New York Mellon Corp | 70,697 | $909.2K | 0.00% | +70,697 | New |
| Prudential Financial Inc | 72,335 | $930.2K | 0.00% | +1,335+1.9% | Added |
| AlphaCentric Advisors LLC | 75,000 | $964.5K | 0.71% | +13,900+22.7% | Added |
| DAFNA Capital Management LLC | 75,982 | $977.1K | 0.23% | +75,982 | New |
| Walleye Capital LLC | 78,907 | $1.01M | 0.01% | +78,907 | New |
| Nuveen Asset Management, LLC | 79,845 | $1.03M | 0.00% | +79,845 | New |
| HighVista Strategies LLC | 83,397 | $1.07M | 0.39% | +30,345+57.2% | Added |
| Artal Group S.A. | 91,426 | $1.18M | 0.03% | −223,070−70.9% | Reduced |
| Superstring Capital Management LP | 95,229 | $1.22M | 1.54% | +25,257+36.1% | Added |
| Qube Research & Technologies Ltd | 98,314 | $1.26M | 0.00% | +10,699+12.2% | Added |
| Renaissance Technologies LLC | 100,076 | $1.29M | 0.00% | +64,950+184.9% | Added |
| Goldman Sachs Group Inc | 107,408 | $1.38M | 0.00% | −90,511−45.7% | Reduced |
| Ikarian Capital, LLC | 108,483 | $1.40M | 0.44% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 125,000 | $1.61M | 0.07% | 00.0% | Unchanged |
| Nan Fung Group Holdings Ltd | 146,800 | $1.89M | 2.01% | +125,813+599.5% | Added |
| Schonfeld Strategic Advisors LLC | 154,431 | $1.99M | 0.02% | −27,529−15.1% | Reduced |
| Woodline Partners LP | 157,947 | $2.03M | 0.02% | +588+0.4% | Added |
| Two Sigma Investments, LP | 163,234 | $2.10M | 0.00% | +138,687+565.0% | Added |
| Marshall Wace, LLP | 170,447 | $2.19M | 0.00% | +31,029+22.3% | Added |
| Eversept Partners, LP | 204,781 | $2.63M | 0.20% | +204,781 | New |
| FMR LLC | 236,728 | $3.04M | 0.00% | −2,297−1.0% | Reduced |
| Alyeska Investment Group, L.P. | 250,000 | $3.21M | 0.02% | +175,000+233.3% | Added |
| Acuta Capital Partners, LLC | 269,614 | $3.47M | 2.92% | +8,506+3.3% | Added |
| Velan Capital Investment Management LP | 319,080 | $4.10M | 2.35% | 00.0% | Unchanged |
| Morgan Stanley | 327,942 | $4.22M | 0.00% | +311,623+1,909.6% | Added |
| State Street Corp | 328,031 | $4.22M | 0.00% | +294,288+872.1% | Added |
| Geode Capital Management, LLC | 453,073 | $5.83M | 0.00% | +279,196+160.6% | Added |
| Citadel Advisors LLC | 486,968 | $6.26M | 0.01% | +332,108+214.5% | Added |
| Vivo Capital, LLC | 591,882 | $7.61M | 0.70% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 700,907 | $9.01M | 0.91% | 00.0% | Unchanged |
| QVT Financial LP | 711,275 | $9.15M | 0.86% | −237,091−25.0% | Reduced |
| RTW Investments, LP | 741,656 | $9.54M | 0.15% | 00.0% | Unchanged |
| Qiming U.S. Ventures Management, LLC | 741,691 | $9.54M | 18.13% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,047,122 | $13.5M | 0.00% | +132,603+14.5% | Added |
| Jennison Associates LLC | 1,127,691 | $14.5M | 0.01% | +12,440+1.1% | Added |
| TCG Crossover Management, LLC | 1,477,593 | $19.0M | 1.98% | 00.0% | Unchanged |
| Blue Owl Capital Holdings LP | 1,715,401 | $22.1M | 6.14% | +268,000+18.5% | Added |
| BlackRock Inc. | 1,724,216 | $22.2M | 0.00% | +1,228,841+248.1% | Added |
| Avoro Capital Advisors LLC | 2,222,222 | $28.6M | 0.38% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 2,538,925 | $32.7M | 0.43% | +2,538,925 | 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 |