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, Q1 2025
Institutional positions in Tourmaline Bio, Inc. as of Mar 31, 2025. 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
- 107
- +7 vs. Q4 2024
- Shares held
- 23.9M
- +1.16M (+5.1%) vs. Q4 2024
- Total value
- $364.3M
- −$97.8M (−21.2%) vs. Q4 2024
- New holders
- 19
- 34 more added
- Sold out
- 12
- 31 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 3 | $46 | 0.00% | 00.0% | Unchanged |
| Amundi | 7 | $92 | 0.00% | −31−81.6% | Reduced |
| True Wealth Design, LLC | 18 | $274 | 0.00% | +18 | New |
| Rothschild Investment LLC | 20 | $304 | 0.00% | −5−20.0% | Reduced |
| Coldstream Capital Management Inc | 43 | $655 | 0.00% | +43 | New |
| Signaturefd, LLC | 54 | $821 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 95 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 63 | $1.00K | 0.00% | +48+320.0% | Added |
| US Bancorp | 79 | $1.20K | 0.00% | −20−20.2% | Reduced |
| Jones Financial Companies LLLP | 100 | $1.67K | 0.00% | +100 | New |
| Caitong International Asset Management Co., Ltd | 121 | $1.84K | 0.00% | +121 | New |
| Advisor Group Holdings, Inc. | 250 | $3.80K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 398 | $6.05K | 0.00% | −342−46.2% | Reduced |
| GAMMA Investing LLC | 494 | $7.51K | 0.00% | +330+201.2% | Added |
| Versant Capital Management, Inc | 600 | $9.13K | 0.00% | +600 | New |
| GF Fund Management Co. Ltd. | 656 | $9.98K | 0.00% | +118+21.9% | Added |
| Amalgamated Bank | 799 | $12.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 879 | $14.6K | 0.00% | +25+2.9% | Added |
| Royal Bank of Canada | 1,482 | $23.0K | 0.00% | −1,752−54.2% | Reduced |
| Farther Finance Advisors, LLC | 1,659 | $23.6K | 0.00% | +1,659 | New |
| BNP Paribas Arbitrage, SA | 1,568 | $23.8K | 0.00% | −1,803−53.5% | Reduced |
| Nisa Investment Advisors, LLC | 1,582 | $24.1K | 0.00% | +1,497+1,761.2% | Added |
| Ameritas Investment Partners, Inc. | 2,262 | $34.4K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 2,300 | $35.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,368 | $36.0K | 0.00% | +722+43.9% | Added |
| Quest Partners LLC | 2,752 | $41.9K | 0.00% | −866−23.9% | Reduced |
| Skopos Labs, Inc. | 3,923 | $59.7K | 0.01% | +2,347+148.9% | Added |
| China Universal Asset Management Co., Ltd. | 5,143 | $78.2K | 0.01% | −294−5.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 5,564 | $84.6K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 6,100 | $92.8K | 0.00% | −3,200−34.4% | Reduced |
| Virtus Investment Advisers, Inc. | 7,289 | $110.9K | 0.03% | +7,289 | New |
| BBR Partners, LLC | 10,000 | $152.1K | 0.01% | +10,000 | New |
| Price T Rowe Associates Inc | 10,243 | $156.0K | 0.00% | +10,243 | New |
| HSBC Holdings PLC | 10,357 | $158.4K | 0.00% | +10,357 | New |
| California State Teachers Retirement System | 10,505 | $159.8K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 10,583 | $161.0K | 0.00% | +369+3.6% | Added |
| Corebridge Financial, Inc. | 11,309 | $172.0K | 0.00% | −168−1.5% | Reduced |
| Two Sigma Advisers, LP | 12,219 | $185.9K | 0.00% | +12,219 | New |
| Susquehanna Fundamental Investments, LLC | 12,402 | $188.6K | 0.00% | −10,642−46.2% | Reduced |
| Alliancebernstein L.P. | 12,950 | $197.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 13,553 | $206.1K | 0.00% | −333−2.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 13,800 | $209.9K | 0.00% | −578−4.0% | Reduced |
| Wells Fargo & Company | 13,854 | $210.7K | 0.00% | +305+2.3% | Added |
| Franklin Resources Inc | 13,892 | $211.3K | 0.00% | +13,892 | New |
| Caption Management, LLC | 14,312 | $217.7K | 0.01% | +14,312 | New |
| Legal & General Group Plc | 15,443 | $234.9K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 17,012 | $258.8K | 0.00% | −14,001−45.1% | Reduced |
| Alps Advisors Inc | 17,501 | $266.2K | 0.00% | −3,234−15.6% | Reduced |
| UBS Oconnor LLC | 17,860 | $271.7K | 0.01% | +17,860 | New |
| Deutsche Bank AG | 18,011 | $273.9K | 0.00% | −1,997−10.0% | Reduced |
| State of Wisconsin Investment Board | 18,922 | $287.8K | 0.00% | +1,129+6.3% | Added |
| Boothbay Fund Management, LLC | 19,559 | $297.5K | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 19,920 | $303.0K | 0.00% | +7,765+63.9% | Added |
| Jump Financial, LLC | 20,893 | $317.8K | 0.00% | +20,893 | New |
| Swiss National Bank | 22,400 | $340.7K | 0.00% | +2,300+11.4% | Added |
| EntryPoint Capital, LLC | 24,972 | $379.8K | 0.17% | +24,972 | New |
| Barclays PLC | 31,795 | $483.6K | 0.00% | −26,771−45.7% | Reduced |
| Rhumbline Advisers | 33,033 | $502.4K | 0.00% | −2,558−7.2% | Reduced |
| American Century Companies Inc | 36,018 | $547.8K | 0.00% | +12,661+54.2% | Added |
| SG Americas Securities, LLC | 36,180 | $550.0K | 0.00% | +1,368+3.9% | Added |
| Two Sigma Investments, LP | 36,643 | $557.3K | 0.00% | +15,202+70.9% | Added |
| JPMorgan Chase & Co | 39,700 | $603.8K | 0.00% | +24,995+170.0% | Added |
| Brown Advisory Inc | 39,719 | $604.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 48,584 | $739.0K | 0.00% | +35,077+259.7% | Added |
| HighTower Advisors, LLC | 53,418 | $812.5K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 60,720 | $923.6K | 0.00% | −539−0.9% | Reduced |
| Wexford Capital LP | 63,610 | $967.5K | 0.25% | +43,000+208.6% | Added |
| Charles Schwab Investment Management Inc | 65,850 | $1.00M | 0.00% | +1,791+2.8% | Added |
| Ikarian Capital, LLC | 67,927 | $1.03M | 0.34% | 00.0% | Unchanged |
| Wellington Management Group LLP | 74,739 | $1.14M | 0.00% | +6,140+9.0% | Added |
| Nuveen, LLC | 77,607 | $1.18M | 0.00% | +77,607 | New |
| Goldman Sachs Group Inc | 82,919 | $1.26M | 0.00% | −22,210−21.1% | Reduced |
| Polymer Capital Management (HK) LTD | 86,934 | $1.32M | 0.23% | +7,534+9.5% | Added |
| Siren, L.L.C. | 91,426 | $1.39M | 0.08% | 00.0% | Unchanged |
| Marshall Wace, LLP | 99,166 | $1.51M | 0.00% | −16,925−14.6% | Reduced |
| Alyeska Investment Group, L.P. | 115,053 | $1.75M | 0.01% | 00.0% | Unchanged |
| Jennison Associates LLC | 118,487 | $1.80M | 0.00% | −727,313−86.0% | Reduced |
| Federated Hermes, Inc. | 121,245 | $1.84M | 0.00% | +120,322+13,036.0% | Added |
| Woodline Partners LP | 160,086 | $2.43M | 0.02% | −1,635−1.0% | Reduced |
| Northern Trust Corp | 202,582 | $3.08M | 0.00% | −2,204−1.1% | Reduced |
| UBS Group AG | 223,683 | $3.40M | 0.00% | +34,452+18.2% | Added |
| Nan Fung Group Holdings Ltd | 227,090 | $3.45M | 2.82% | +40,000+21.4% | Added |
| Bank of America Corp | 236,747 | $3.60M | 0.00% | +166,010+234.7% | Added |
| FMR LLC | 243,721 | $3.71M | 0.00% | +208,234+586.8% | Added |
| Millennium Management LLC | 268,738 | $4.09M | 0.00% | −95,920−26.3% | Reduced |
| Morgan Stanley | 285,745 | $4.35M | 0.00% | +81,463+39.9% | Added |
| Schonfeld Strategic Advisors LLC | 299,739 | $4.56M | 0.03% | +1,500+0.5% | Added |
| Pictet Asset Management Holding SA | 419,883 | $6.39M | 0.01% | 00.0% | Unchanged |
| Acuta Capital Partners, LLC | 426,882 | $6.49M | 7.53% | +75,040+21.3% | Added |
| State Street Corp | 449,161 | $6.83M | 0.00% | −351,032−43.9% | Reduced |
| Velan Capital Investment Management LP | 455,412 | $6.93M | 7.13% | +31,617+7.5% | Added |
| Geode Capital Management, LLC | 496,120 | $7.55M | 0.00% | +14,511+3.0% | Added |
| Adage Capital Partners GP, L.L.C. | 500,000 | $7.61M | 0.01% | −100,000−16.7% | Reduced |
| Nantahala Capital Management, LLC | 532,824 | $8.10M | 0.67% | −4,120−0.8% | Reduced |
| Citadel Advisors LLC | 570,588 | $8.68M | 0.01% | −77,530−12.0% | Reduced |
| Vivo Capital, LLC | 591,882 | $9.00M | 1.19% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 592,975 | $9.02M | 0.02% | +592,975 | New |
| Qiming U.S. Ventures Management, LLC | 741,691 | $11.3M | 48.83% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 905,000 | $13.8M | 2.99% | +905,000 | New |
| Blue Owl Capital Holdings LP | 1,037,107 | $15.8M | 5.09% | −42,214−3.9% | Reduced |