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, Q4 2024
Institutional positions in Tourmaline Bio, Inc. as of Dec 31, 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
- 101
- +9 vs. Q3 2024
- Shares held
- 22.9M
- +1.83M (+8.7%) vs. Q3 2024
- Total value
- $463.6M
- −$77.1M (−14.3%) vs. Q3 2024
- New holders
- 22
- 40 more added
- Sold out
- 13
- 22 more reduced
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 2,538,925 | $51.5M | 0.69% | 00.0% | Unchanged |
| Avoro Capital Advisors LLC | 2,222,222 | $45.1M | 0.64% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,803,900 | $36.6M | 0.00% | +50,553+2.9% | Added |
| TCG Crossover Management, LLC | 1,477,593 | $30.0M | 2.93% | 00.0% | Unchanged |
| Pfizer Inc | 1,272,214 | $25.8M | 1.00% | +1,272,214 | New |
| Vanguard Group Inc | 1,106,125 | $22.4M | 0.00% | +43,652+4.1% | Added |
| Blue Owl Capital Holdings LP | 1,079,321 | $21.9M | 5.18% | −451,080−29.5% | Reduced |
| Jennison Associates LLC | 845,800 | $17.2M | 0.01% | −306,173−26.6% | Reduced |
| State Street Corp | 800,193 | $16.2M | 0.00% | +388,213+94.2% | Added |
| Qiming U.S. Ventures Management, LLC | 741,691 | $15.0M | 29.41% | 00.0% | Unchanged |
| RTW Investments, LP | 736,681 | $14.9M | 0.23% | −4,975−0.7% | Reduced |
| QVT Financial LP | 711,275 | $14.4M | 1.29% | 00.0% | Unchanged |
| Citadel Advisors LLC | 648,118 | $13.1M | 0.01% | +209,126+47.6% | Added |
| Adage Capital Partners GP, L.L.C. | 600,000 | $12.2M | 0.02% | +600,000 | New |
| Vivo Capital, LLC | 591,882 | $12.0M | 1.34% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 536,944 | $10.9M | 0.76% | −163,963−23.4% | Reduced |
| Geode Capital Management, LLC | 481,609 | $9.77M | 0.00% | −469−0.1% | Reduced |
| Velan Capital Investment Management LP | 423,795 | $8.59M | 7.42% | +92,605+28.0% | Added |
| Pictet Asset Management Holding SA | 419,883 | $8.52M | 0.01% | +172,743+69.9% | Added |
| Millennium Management LLC | 364,658 | $7.40M | 0.01% | −144,757−28.4% | Reduced |
| Acuta Capital Partners, LLC | 351,842 | $7.14M | 7.18% | +19,747+5.9% | Added |
| Schonfeld Strategic Advisors LLC | 298,239 | $6.05M | 0.04% | +100,139+50.5% | Added |
| Northern Trust Corp | 204,786 | $4.15M | 0.00% | +13,603+7.1% | Added |
| Morgan Stanley | 204,282 | $4.14M | 0.00% | −33,467−14.1% | Reduced |
| UBS Group AG | 189,231 | $3.84M | 0.00% | +177,385+1,497.4% | Added |
| Nan Fung Group Holdings Ltd | 187,090 | $3.79M | 3.25% | +40,290+27.4% | Added |
| Woodline Partners LP | 161,721 | $3.28M | 0.02% | +2,567+1.6% | Added |
| StemPoint Capital LP | 126,400 | $2.56M | 0.64% | +70,877+127.7% | Added |
| Marshall Wace, LLP | 116,091 | $2.35M | 0.00% | −22,103−16.0% | Reduced |
| Alyeska Investment Group, L.P. | 115,053 | $2.33M | 0.01% | −75,000−39.5% | Reduced |
| Goldman Sachs Group Inc | 105,129 | $2.13M | 0.00% | +33,130+46.0% | Added |
| Siren, L.L.C. | 91,426 | $1.85M | 0.08% | 00.0% | Unchanged |
| Polymer Capital Management (HK) LTD | 79,400 | $1.61M | 0.28% | +79,400 | New |
| Nuveen Asset Management, LLC | 76,245 | $1.55M | 0.00% | +13,504+21.5% | Added |
| Prudential Financial Inc | 72,335 | $1.47M | 0.00% | −5,800−7.4% | Reduced |
| Bank of America Corp | 70,737 | $1.43M | 0.00% | +33,028+87.6% | Added |
| Wellington Management Group LLP | 68,599 | $1.39M | 0.00% | +2,858+4.3% | Added |
| Ikarian Capital, LLC | 67,927 | $1.38M | 0.39% | −40,556−37.4% | Reduced |
| Charles Schwab Investment Management Inc | 64,059 | $1.30M | 0.00% | +488+0.8% | Added |
| Bank of New York Mellon Corp | 61,259 | $1.24M | 0.00% | −179−0.3% | Reduced |
| Barclays PLC | 58,566 | $1.19M | 0.00% | +26,733+84.0% | Added |
| HighTower Advisors, LLC | 53,418 | $1.08M | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 39,719 | $805.5K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 35,591 | $721.8K | 0.00% | +718+2.1% | Added |
| FMR LLC | 35,487 | $719.7K | 0.00% | +20,424+135.6% | Added |
| SG Americas Securities, LLC | 34,812 | $706.0K | 0.00% | +1,140+3.4% | Added |
| Citigroup Inc | 31,013 | $628.9K | 0.00% | +13,746+79.6% | Added |
| Rafferty Asset Management, LLC | 29,844 | $605.2K | 0.00% | +29,844 | New |
| American Century Companies Inc | 23,357 | $473.7K | 0.00% | +23,357 | New |
| Susquehanna Fundamental Investments, LLC | 23,044 | $467.3K | 0.01% | +23,044 | New |
| Two Sigma Investments, LP | 21,441 | $434.8K | 0.00% | −21,904−50.5% | Reduced |
| Alps Advisors Inc | 20,735 | $420.5K | 0.00% | +962+4.9% | Added |
| Wexford Capital LP | 20,610 | $418.0K | 0.11% | +20,610 | New |
| Swiss National Bank | 20,100 | $407.6K | 0.00% | +20,100 | New |
| Deutsche Bank AG | 20,008 | $405.8K | 0.00% | +7,025+54.1% | Added |
| Boothbay Fund Management, LLC | 19,559 | $396.7K | 0.01% | −12,074−38.2% | Reduced |
| Jane Street Group, LLC | 17,887 | $362.7K | 0.00% | −3,818−17.6% | Reduced |
| State of Wisconsin Investment Board | 17,793 | $360.8K | 0.00% | +17,793 | New |
| Legal & General Group Plc | 15,443 | $313.2K | 0.00% | +10,250+197.4% | Added |
| Bridgeway Capital Management, LLC | 15,267 | $309.6K | 0.01% | −2,000−11.6% | Reduced |
| JPMorgan Chase & Co | 14,705 | $298.2K | 0.00% | −99−0.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,378 | $291.3K | 0.00% | +1,598+12.5% | Added |
| MetLife Investment Management | 13,886 | $281.6K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 13,549 | $274.8K | 0.00% | +2,951+27.8% | Added |
| Susquehanna International Group, LLP | 13,507 | $273.9K | 0.00% | +2,546+23.2% | Added |
| Alliancebernstein L.P. | 12,950 | $262.6K | 0.00% | +3,680+39.7% | Added |
| Invesco Ltd. | 12,155 | $246.5K | 0.00% | +1,181+10.8% | Added |
| Corebridge Financial, Inc. | 11,477 | $232.8K | 0.00% | −866−7.0% | Reduced |
| California State Teachers Retirement System | 10,505 | $213.0K | 0.00% | +8,832+527.9% | Added |
| Intech Investment Management LLC | 10,214 | $207.1K | 0.00% | +10,214 | New |
| Gsa Capital Partners LLP | 10,198 | $207.0K | 0.02% | +10,198 | New |
| Qube Research & Technologies Ltd | 9,903 | $200.8K | 0.00% | −21,133−68.1% | Reduced |
| New York State Common Retirement Fund | 9,300 | $188.6K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 5,564 | $112.8K | 0.00% | +5,564 | New |
| China Universal Asset Management Co., Ltd. | 5,437 | $110.3K | 0.01% | +505+10.2% | Added |
| Quest Partners LLC | 3,618 | $73.4K | 0.01% | −5,763−61.4% | Reduced |
| BNP Paribas Arbitrage, SA | 3,371 | $68.4K | 0.00% | −9,977−74.7% | Reduced |
| Royal Bank of Canada | 3,234 | $66.0K | 0.00% | +790+32.3% | Added |
| Virtus ETF Advisers LLC | 3,157 | $64.0K | 0.03% | +3,157 | New |
| KLP Kapitalforvaltning AS | 2,300 | $46.6K | 0.00% | +2,300 | New |
| Ameritas Investment Partners, Inc. | 2,262 | $45.9K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,646 | $33.4K | 0.00% | +1,232+297.6% | Added |
| Skopos Labs, Inc. | 1,576 | $32.0K | 0.01% | +1,576 | New |
| Federated Hermes, Inc. | 923 | $18.7K | 0.00% | +923 | New |
| Mirae Asset Global Investments Co., Ltd. | 854 | $17.7K | 0.00% | −73−7.9% | Reduced |
| Amalgamated Bank | 799 | $16.0K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 740 | $15.0K | 0.00% | +655+770.6% | Added |
| GF Fund Management Co. Ltd. | 538 | $10.9K | 0.00% | +538 | New |
| Advisor Group Holdings, Inc. | 250 | $5.07K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 164 | $3.33K | 0.00% | +17+11.6% | Added |
| Creative Planning | 109 | $2.21K | 0.00% | +109 | New |
| US Bancorp | 99 | $2.01K | 0.00% | +79+395.0% | Added |
| Daiwa Securities Group Inc. | 95 | $2.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 85 | $1.72K | 0.00% | +18+26.9% | Added |
| Lindbrook Capital, LLC | 56 | $1.14K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 54 | $1.09K | 0.00% | 00.0% | Unchanged |
| Amundi | 38 | $760 | 0.00% | +38 | New |
| SRS Capital Advisors, Inc. | 30 | $609 | 0.00% | +30 | New |
| Rothschild Investment LLC | 25 | $507 | 0.00% | +25 | New |
| SBI Securities Co., Ltd. | 3 | $61 | 0.00% | +3 | New |