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 |
|---|---|---|---|---|---|
| CWM, LLC | 11 | $0 | 0.00% | +2+22.2% | Added |
| US Bancorp | 20 | $514 | 0.00% | +20 | New |
| Russell Investments Group, Ltd. | 33 | $848 | 0.00% | +33 | New |
| Signaturefd, LLC | 54 | $1.39K | 0.00% | +54 | New |
| Lindbrook Capital, LLC | 56 | $1.44K | 0.00% | +56 | New |
| Nisa Investment Advisors, LLC | 67 | $1.72K | 0.00% | +67 | New |
| Daiwa Securities Group Inc. | 95 | $2.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 85 | $2.19K | 0.00% | +85 | New |
| GAMMA Investing LLC | 147 | $3.78K | 0.00% | +147 | New |
| Catalyst Funds Management Pty Ltd | 200 | $5.14K | 0.00% | +200 | New |
| Advisor Group Holdings, Inc. | 250 | $6.43K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 414 | $10.6K | 0.00% | −1,234−74.9% | Reduced |
| Amalgamated Bank | 799 | $21.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 927 | $23.2K | 0.00% | +161+21.0% | Added |
| California State Teachers Retirement System | 1,673 | $43.0K | 0.00% | −11,648−87.4% | Reduced |
| Ameritas Investment Partners, Inc. | 2,262 | $58.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,444 | $63.0K | 0.00% | +4+0.2% | Added |
| China Universal Asset Management Co., Ltd. | 4,932 | $126.8K | 0.01% | +1,920+63.7% | Added |
| Legal & General Group Plc | 5,193 | $133.5K | 0.00% | −14,031−73.0% | Reduced |
| AlphaCentric Advisors LLC | 5,500 | $141.4K | 0.11% | −69,500−92.7% | Reduced |
| Price T Rowe Associates Inc | 7,753 | $200.0K | 0.00% | +7,753 | New |
| Cresset Asset Management, LLC | 7,944 | $204.2K | 0.00% | +7,944 | New |
| Manufacturers Life Insurance Company, The | 8,804 | $226.4K | 0.00% | +8,804 | New |
| Alliancebernstein L.P. | 9,270 | $238.3K | 0.00% | +9,270 | New |
| New York State Common Retirement Fund | 9,300 | $239.1K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 9,381 | $241.2K | 0.02% | +5,559+145.4% | Added |
| Two Sigma Advisers, LP | 10,119 | $260.2K | 0.00% | −52,300−83.8% | Reduced |
| Wells Fargo & Company | 10,598 | $272.5K | 0.00% | +455+4.5% | Added |
| Susquehanna International Group, LLP | 10,961 | $281.8K | 0.00% | −30,243−73.4% | Reduced |
| Invesco Ltd. | 10,974 | $282.1K | 0.00% | −885−7.5% | Reduced |
| ADAR1 Capital Management, LLC | 11,260 | $289.5K | 0.05% | −9,800−46.5% | Reduced |
| UBS Group AG | 11,846 | $304.6K | 0.00% | +2,146+22.1% | Added |
| Algert Global LLC | 12,112 | $311.4K | 0.01% | −27,754−69.6% | Reduced |
| Corebridge Financial, Inc. | 12,343 | $317.3K | 0.00% | −76−0.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 12,780 | $328.6K | 0.00% | +12,780 | New |
| Deutsche Bank AG | 12,983 | $333.8K | 0.00% | +3,680+39.6% | Added |
| BNP Paribas Arbitrage, SA | 13,348 | $343.2K | 0.00% | −1,132−7.8% | Reduced |
| MetLife Investment Management | 13,886 | $357.0K | 0.00% | +13,886 | New |
| JPMorgan Chase & Co | 14,804 | $380.6K | 0.00% | +2,100+16.5% | Added |
| FMR LLC | 15,063 | $387.3K | 0.00% | −221,665−93.6% | 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 |
| DAFNA Capital Management LLC | 19,110 | $491.3K | 0.12% | −56,872−74.8% | Reduced |
| Alps Advisors Inc | 19,773 | $508.4K | 0.00% | −216−1.1% | Reduced |
| Jane Street Group, LLC | 21,705 | $558.0K | 0.00% | +21,705 | New |
| Superstring Capital Management LP | 29,104 | $748.3K | 0.67% | −66,125−69.4% | Reduced |
| Qube Research & Technologies Ltd | 31,036 | $797.9K | 0.00% | −67,278−68.4% | Reduced |
| Boothbay Fund Management, LLC | 31,633 | $813.3K | 0.03% | 00.0% | Unchanged |
| Barclays PLC | 31,833 | $818.4K | 0.00% | +23,536+283.7% | Added |
| SG Americas Securities, LLC | 33,672 | $866.0K | 0.00% | +60.0% | Added |
| Rhumbline Advisers | 34,873 | $896.6K | 0.00% | +1,634+4.9% | Added |
| Bank of America Corp | 37,709 | $969.5K | 0.00% | −24,302−39.2% | Reduced |
| Brown Advisory Inc | 39,719 | $1.02M | 0.00% | +39,719 | New |
| Two Sigma Investments, LP | 43,345 | $1.11M | 0.00% | −119,889−73.4% | Reduced |
| HighTower Advisors, LLC | 53,418 | $1.37M | 0.00% | 00.0% | Unchanged |
| StemPoint Capital LP | 55,523 | $1.43M | 0.43% | +55,523 | New |
| Bank of New York Mellon Corp | 61,438 | $1.58M | 0.00% | −9,259−13.1% | Reduced |
| Nuveen Asset Management, LLC | 62,741 | $1.61M | 0.00% | −17,104−21.4% | Reduced |
| Charles Schwab Investment Management Inc | 63,571 | $1.63M | 0.00% | +2,147+3.5% | Added |
| Wellington Management Group LLP | 65,741 | $1.69M | 0.00% | +27,707+72.8% | Added |
| Goldman Sachs Group Inc | 71,999 | $1.85M | 0.00% | −35,409−33.0% | Reduced |
| Prudential Financial Inc | 78,135 | $2.01M | 0.00% | +5,800+8.0% | Added |
| Eversept Partners, LP | 84,380 | $2.17M | 0.17% | −120,401−58.8% | Reduced |
| Siren, L.L.C. | 91,426 | $2.35M | 0.12% | +91,426 | New |
| Ikarian Capital, LLC | 108,483 | $2.79M | 0.87% | 00.0% | Unchanged |
| Marshall Wace, LLP | 138,194 | $3.55M | 0.00% | −32,253−18.9% | Reduced |
| Nan Fung Group Holdings Ltd | 146,800 | $3.77M | 3.25% | 00.0% | Unchanged |
| Woodline Partners LP | 159,154 | $4.09M | 0.03% | +1,207+0.8% | Added |
| Alyeska Investment Group, L.P. | 190,053 | $4.89M | 0.02% | −59,947−24.0% | Reduced |
| Northern Trust Corp | 191,183 | $4.92M | 0.00% | +143,769+303.2% | Added |
| Schonfeld Strategic Advisors LLC | 198,100 | $5.09M | 0.04% | +43,669+28.3% | Added |
| Morgan Stanley | 237,749 | $6.11M | 0.00% | −90,193−27.5% | Reduced |
| Pictet Asset Management Holding SA | 247,140 | $6.35M | 0.01% | +247,140 | New |
| Velan Capital Investment Management LP | 331,190 | $8.51M | 9.24% | +12,110+3.8% | Added |
| Acuta Capital Partners, LLC | 332,095 | $8.54M | 6.92% | +62,481+23.2% | Added |
| Point72 Asset Management, L.P. | 338,437 | $8.70M | 0.03% | +338,437 | New |
| State Street Corp | 411,980 | $10.6M | 0.00% | +83,949+25.6% | Added |
| Citadel Advisors LLC | 438,992 | $11.3M | 0.01% | −47,976−9.9% | Reduced |
| Geode Capital Management, LLC | 482,078 | $12.4M | 0.00% | +29,005+6.4% | Added |
| Millennium Management LLC | 509,415 | $13.1M | 0.01% | +509,415 | New |
| Vivo Capital, LLC | 591,882 | $15.2M | 1.26% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 700,907 | $18.0M | 1.52% | 00.0% | Unchanged |
| QVT Financial LP | 711,275 | $18.3M | 1.57% | 00.0% | Unchanged |
| RTW Investments, LP | 741,656 | $19.1M | 0.28% | 00.0% | Unchanged |
| Qiming U.S. Ventures Management, LLC | 741,691 | $19.1M | 37.12% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,062,473 | $27.3M | 0.00% | +15,351+1.5% | Added |
| Jennison Associates LLC | 1,151,973 | $29.6M | 0.02% | +24,282+2.2% | Added |
| TCG Crossover Management, LLC | 1,477,593 | $38.0M | 3.22% | 00.0% | Unchanged |
| Blue Owl Capital Holdings LP | 1,530,401 | $39.3M | 7.63% | −185,000−10.8% | Reduced |
| BlackRock, Inc. | 1,753,347 | $45.1M | 0.00% | +1,753,347 | New |
| Avoro Capital Advisors LLC | 2,222,222 | $57.1M | 0.83% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 2,538,925 | $65.3M | 0.75% | 00.0% | Unchanged |
| 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 |