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, Q3 2024
Institutional positions in Tourmaline Bio, Inc. as of Sep 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
- 92
- +9 vs. Q2 2024
- Shares held
- 21.0M
- +1.60M (+8.2%) vs. Q2 2024
- Total value
- $540.7M
- +$290.9M (+116.4%) vs. Q2 2024
- New holders
- 22
- 25 more added
- Sold out
- 13
- 27 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 2,538,925 | $65.3M | 0.75% | 00.0% | Unchanged |
| Avoro Capital Advisors LLC | 2,222,222 | $57.1M | 0.83% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,753,347 | $45.1M | 0.00% | +1,753,347 | New |
| Blue Owl Capital Holdings LP | 1,530,401 | $39.3M | 7.63% | −185,000−10.8% | Reduced |
| TCG Crossover Management, LLC | 1,477,593 | $38.0M | 3.22% | 00.0% | Unchanged |
| Jennison Associates LLC | 1,151,973 | $29.6M | 0.02% | +24,282+2.2% | Added |
| Vanguard Group Inc | 1,062,473 | $27.3M | 0.00% | +15,351+1.5% | Added |
| Qiming U.S. Ventures Management, LLC | 741,691 | $19.1M | 37.12% | 00.0% | Unchanged |
| RTW Investments, LP | 741,656 | $19.1M | 0.28% | 00.0% | Unchanged |
| QVT Financial LP | 711,275 | $18.3M | 1.57% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 700,907 | $18.0M | 1.52% | 00.0% | Unchanged |
| Vivo Capital, LLC | 591,882 | $15.2M | 1.26% | 00.0% | Unchanged |
| Millennium Management LLC | 509,415 | $13.1M | 0.01% | +509,415 | New |
| Geode Capital Management, LLC | 482,078 | $12.4M | 0.00% | +29,005+6.4% | Added |
| Citadel Advisors LLC | 438,992 | $11.3M | 0.01% | −47,976−9.9% | Reduced |
| State Street Corp | 411,980 | $10.6M | 0.00% | +83,949+25.6% | Added |
| Point72 Asset Management, L.P. | 338,437 | $8.70M | 0.03% | +338,437 | New |
| Acuta Capital Partners, LLC | 332,095 | $8.54M | 6.92% | +62,481+23.2% | Added |
| Velan Capital Investment Management LP | 331,190 | $8.51M | 9.24% | +12,110+3.8% | Added |
| Pictet Asset Management Holding SA | 247,140 | $6.35M | 0.01% | +247,140 | New |
| Morgan Stanley | 237,749 | $6.11M | 0.00% | −90,193−27.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 198,100 | $5.09M | 0.04% | +43,669+28.3% | Added |
| Northern Trust Corp | 191,183 | $4.92M | 0.00% | +143,769+303.2% | Added |
| Alyeska Investment Group, L.P. | 190,053 | $4.89M | 0.02% | −59,947−24.0% | Reduced |
| Woodline Partners LP | 159,154 | $4.09M | 0.03% | +1,207+0.8% | Added |
| Nan Fung Group Holdings Ltd | 146,800 | $3.77M | 3.25% | 00.0% | Unchanged |
| Marshall Wace, LLP | 138,194 | $3.55M | 0.00% | −32,253−18.9% | Reduced |
| Ikarian Capital, LLC | 108,483 | $2.79M | 0.87% | 00.0% | Unchanged |
| Siren, L.L.C. | 91,426 | $2.35M | 0.12% | +91,426 | New |
| Eversept Partners, LP | 84,380 | $2.17M | 0.17% | −120,401−58.8% | Reduced |
| Prudential Financial Inc | 78,135 | $2.01M | 0.00% | +5,800+8.0% | Added |
| Goldman Sachs Group Inc | 71,999 | $1.85M | 0.00% | −35,409−33.0% | Reduced |
| Wellington Management Group LLP | 65,741 | $1.69M | 0.00% | +27,707+72.8% | Added |
| Charles Schwab Investment Management Inc | 63,571 | $1.63M | 0.00% | +2,147+3.5% | Added |
| Nuveen Asset Management, LLC | 62,741 | $1.61M | 0.00% | −17,104−21.4% | Reduced |
| Bank of New York Mellon Corp | 61,438 | $1.58M | 0.00% | −9,259−13.1% | Reduced |
| StemPoint Capital LP | 55,523 | $1.43M | 0.43% | +55,523 | New |
| HighTower Advisors, LLC | 53,418 | $1.37M | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 43,345 | $1.11M | 0.00% | −119,889−73.4% | Reduced |
| Brown Advisory Inc | 39,719 | $1.02M | 0.00% | +39,719 | New |
| Bank of America Corp | 37,709 | $969.5K | 0.00% | −24,302−39.2% | Reduced |
| Rhumbline Advisers | 34,873 | $896.6K | 0.00% | +1,634+4.9% | Added |
| SG Americas Securities, LLC | 33,672 | $866.0K | 0.00% | +60.0% | Added |
| Barclays PLC | 31,833 | $818.4K | 0.00% | +23,536+283.7% | Added |
| Boothbay Fund Management, LLC | 31,633 | $813.3K | 0.03% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 31,036 | $797.9K | 0.00% | −67,278−68.4% | Reduced |
| Superstring Capital Management LP | 29,104 | $748.3K | 0.67% | −66,125−69.4% | Reduced |
| Jane Street Group, LLC | 21,705 | $558.0K | 0.00% | +21,705 | New |
| Alps Advisors Inc | 19,773 | $508.4K | 0.00% | −216−1.1% | Reduced |
| DAFNA Capital Management LLC | 19,110 | $491.3K | 0.12% | −56,872−74.8% | Reduced |
| Bridgeway Capital Management, LLC | 17,267 | $443.9K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 17,267 | $443.9K | 0.00% | +11,541+201.6% | Added |
| FMR LLC | 15,063 | $387.3K | 0.00% | −221,665−93.6% | Reduced |
| JPMorgan Chase & Co | 14,804 | $380.6K | 0.00% | +2,100+16.5% | Added |
| MetLife Investment Management | 13,886 | $357.0K | 0.00% | +13,886 | New |
| BNP Paribas Arbitrage, SA | 13,348 | $343.2K | 0.00% | −1,132−7.8% | Reduced |
| Deutsche Bank AG | 12,983 | $333.8K | 0.00% | +3,680+39.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 12,780 | $328.6K | 0.00% | +12,780 | New |
| Corebridge Financial, Inc. | 12,343 | $317.3K | 0.00% | −76−0.6% | Reduced |
| Algert Global LLC | 12,112 | $311.4K | 0.01% | −27,754−69.6% | Reduced |
| UBS Group AG | 11,846 | $304.6K | 0.00% | +2,146+22.1% | Added |
| ADAR1 Capital Management, LLC | 11,260 | $289.5K | 0.05% | −9,800−46.5% | Reduced |
| Invesco Ltd. | 10,974 | $282.1K | 0.00% | −885−7.5% | Reduced |
| Susquehanna International Group, LLP | 10,961 | $281.8K | 0.00% | −30,243−73.4% | Reduced |
| Wells Fargo & Company | 10,598 | $272.5K | 0.00% | +455+4.5% | Added |
| Two Sigma Advisers, LP | 10,119 | $260.2K | 0.00% | −52,300−83.8% | Reduced |
| Quest Partners LLC | 9,381 | $241.2K | 0.02% | +5,559+145.4% | Added |
| New York State Common Retirement Fund | 9,300 | $239.1K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 9,270 | $238.3K | 0.00% | +9,270 | New |
| Manufacturers Life Insurance Company, The | 8,804 | $226.4K | 0.00% | +8,804 | New |
| Cresset Asset Management, LLC | 7,944 | $204.2K | 0.00% | +7,944 | New |
| Price T Rowe Associates Inc | 7,753 | $200.0K | 0.00% | +7,753 | New |
| AlphaCentric Advisors LLC | 5,500 | $141.4K | 0.11% | −69,500−92.7% | Reduced |
| Legal & General Group Plc | 5,193 | $133.5K | 0.00% | −14,031−73.0% | Reduced |
| China Universal Asset Management Co., Ltd. | 4,932 | $126.8K | 0.01% | +1,920+63.7% | Added |
| Royal Bank of Canada | 2,444 | $63.0K | 0.00% | +4+0.2% | Added |
| Ameritas Investment Partners, Inc. | 2,262 | $58.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,673 | $43.0K | 0.00% | −11,648−87.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 927 | $23.2K | 0.00% | +161+21.0% | Added |
| Amalgamated Bank | 799 | $21.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 414 | $10.6K | 0.00% | −1,234−74.9% | Reduced |
| Advisor Group Holdings, Inc. | 250 | $6.43K | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 200 | $5.14K | 0.00% | +200 | New |
| GAMMA Investing LLC | 147 | $3.78K | 0.00% | +147 | New |
| Sterling Capital Management LLC | 85 | $2.19K | 0.00% | +85 | New |
| Daiwa Securities Group Inc. | 95 | $2.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 67 | $1.72K | 0.00% | +67 | New |
| Lindbrook Capital, LLC | 56 | $1.44K | 0.00% | +56 | New |
| Signaturefd, LLC | 54 | $1.39K | 0.00% | +54 | New |
| Russell Investments Group, Ltd. | 33 | $848 | 0.00% | +33 | New |
| US Bancorp | 20 | $514 | 0.00% | +20 | New |
| CWM, LLC | 11 | $0 | 0.00% | +2+22.2% | Added |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −100,076−100.0% | Sold out |
| Artal Group S.A. | 0 | $0 | 0.00% | −91,426−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −83,397−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −78,907−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −37,861−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −31,388−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −27,782−100.0% | Sold out |