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 2025
Institutional positions in Tourmaline Bio, Inc. as of Jun 30, 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
- 109
- +2 vs. Q1 2025
- Shares held
- 24.1M
- +116.2K (+0.5%) vs. Q1 2025
- Total value
- $384.8M
- +$20.5M (+5.6%) vs. Q1 2025
- New holders
- 20
- 34 more added
- Sold out
- 18
- 31 more reduced
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avoro Capital Advisors LLC | 2,555,555 | $40.9M | 0.72% | +130,555+5.4% | Added |
| Ra Capital Management, L.P. | 2,538,925 | $40.6M | 0.68% | 00.0% | Unchanged |
| QVT Financial LP | 2,154,653 | $34.5M | 4.81% | +681,284+46.2% | Added |
| BlackRock, Inc. | 1,633,942 | $26.1M | 0.00% | −158,266−8.8% | Reduced |
| TCG Crossover Management, LLC | 1,477,593 | $23.6M | 2.70% | 00.0% | Unchanged |
| Pfizer Inc | 1,272,214 | $20.3M | 3.53% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,207,035 | $19.3M | 0.00% | +16,225+1.4% | Added |
| Blue Owl Capital Holdings LP | 997,107 | $15.9M | 5.15% | −40,000−3.9% | Reduced |
| Octagon Capital Advisors LP | 905,000 | $14.5M | 3.18% | 00.0% | Unchanged |
| Qiming U.S. Ventures Management, LLC | 741,691 | $11.9M | 50.22% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 682,129 | $10.9M | 0.01% | +262,246+62.5% | Added |
| Balyasny Asset Management LLC | 604,561 | $9.67M | 0.02% | +11,586+2.0% | Added |
| Vivo Capital, LLC | 591,882 | $9.46M | 0.97% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 558,187 | $8.93M | 0.63% | +25,363+4.8% | Added |
| Geode Capital Management, LLC | 467,087 | $7.47M | 0.00% | −29,033−5.9% | Reduced |
| State Street Corp | 459,611 | $7.35M | 0.00% | +10,450+2.3% | Added |
| Velan Capital Investment Management LP | 393,889 | $6.30M | 6.30% | −61,523−13.5% | Reduced |
| Morgan Stanley | 362,736 | $5.80M | 0.00% | +76,991+26.9% | Added |
| Schonfeld Strategic Advisors LLC | 353,514 | $5.65M | 0.04% | +53,775+17.9% | Added |
| Point72 Asset Management, L.P. | 314,580 | $5.03M | 0.01% | +314,580 | New |
| Acuta Capital Partners, LLC | 283,682 | $4.54M | 6.33% | −143,200−33.5% | Reduced |
| Millennium Management LLC | 243,876 | $3.90M | 0.00% | −24,862−9.3% | Reduced |
| Alyeska Investment Group, L.P. | 243,744 | $3.90M | 0.01% | +128,691+111.9% | Added |
| UBS Group AG | 229,400 | $3.67M | 0.00% | +5,717+2.6% | Added |
| Nan Fung Trinity (HK) Ltd | 227,090 | $3.63M | 0.43% | +227,090 | New |
| Goldman Sachs Group Inc | 179,721 | $2.87M | 0.00% | +96,802+116.7% | Added |
| Northern Trust Corp | 173,276 | $2.77M | 0.00% | −29,306−14.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 135,637 | $2.17M | 0.00% | −364,363−72.9% | Reduced |
| Bank of America Corp | 127,371 | $2.04M | 0.00% | −109,376−46.2% | Reduced |
| Royal Bank of Canada | 121,946 | $1.95M | 0.00% | +120,464+8,128.5% | Added |
| Sectoral Asset Management Inc | 116,510 | $1.86M | 1.23% | +116,510 | New |
| Dimensional Fund Advisors LP | 113,891 | $1.82M | 0.00% | +113,891 | New |
| Silverarc Capital Management, LLC | 109,257 | $1.75M | 0.36% | +109,257 | New |
| Siren, L.L.C. | 91,426 | $1.46M | 0.08% | 00.0% | Unchanged |
| Polymer Capital Management (HK) LTD | 86,934 | $1.39M | 0.22% | 00.0% | Unchanged |
| Woodline Partners LP | 85,177 | $1.36M | 0.01% | −74,909−46.8% | Reduced |
| Wellington Management Group LLP | 81,076 | $1.30M | 0.00% | +6,337+8.5% | Added |
| Nuveen, LLC | 71,656 | $1.15M | 0.00% | −5,951−7.7% | Reduced |
| Ikarian Capital, LLC | 67,927 | $1.09M | 0.36% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 65,156 | $1.04M | 0.00% | +28,976+80.1% | Added |
| FMR LLC | 57,437 | $918.4K | 0.00% | −186,284−76.4% | Reduced |
| Charles Schwab Investment Management Inc | 56,702 | $906.7K | 0.00% | −9,148−13.9% | Reduced |
| Bank of New York Mellon Corp | 56,671 | $906.2K | 0.00% | −4,049−6.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 51,119 | $817.4K | 0.02% | +51,119 | New |
| Barclays PLC | 44,341 | $709.0K | 0.00% | +12,546+39.5% | Added |
| HighTower Advisors, LLC | 42,345 | $677.1K | 0.00% | −11,073−20.7% | Reduced |
| American Century Companies Inc | 40,564 | $648.6K | 0.00% | +4,546+12.6% | Added |
| Verition Fund Management LLC | 40,030 | $640.1K | 0.00% | +40,030 | New |
| Brown Advisory Inc | 39,719 | $635.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 32,073 | $512.8K | 0.00% | −16,511−34.0% | Reduced |
| Rhumbline Advisers | 30,016 | $479.9K | 0.00% | −3,017−9.1% | Reduced |
| HRT Financial LP | 26,876 | $429.0K | 0.00% | +26,876 | New |
| Wesbanco Bank Inc | 26,000 | $415.7K | 0.01% | +26,000 | New |
| Alliancebernstein L.P. | 25,890 | $414.0K | 0.00% | +12,940+99.9% | Added |
| Invesco Ltd. | 25,626 | $409.8K | 0.00% | +5,706+28.6% | Added |
| Swiss National Bank | 22,400 | $358.2K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 22,056 | $352.7K | 0.01% | +22,056 | New |
| State of Wisconsin Investment Board | 19,822 | $317.0K | 0.00% | +900+4.8% | Added |
| Boothbay Fund Management, LLC | 19,559 | $312.7K | 0.01% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 16,903 | $270.3K | 0.00% | +16,903 | New |
| JPMorgan Chase & Co | 15,599 | $249.4K | 0.00% | −24,101−60.7% | Reduced |
| BBR Partners, LLC | 15,000 | $239.8K | 0.01% | +5,000+50.0% | Added |
| Deutsche Bank AG | 14,678 | $234.7K | 0.00% | −3,333−18.5% | Reduced |
| EntryPoint Capital, LLC | 13,966 | $223.3K | 0.11% | −11,006−44.1% | Reduced |
| Franklin Resources Inc | 13,906 | $222.4K | 0.00% | +14+0.1% | Added |
| Alps Advisors Inc | 13,846 | $221.4K | 0.00% | −3,655−20.9% | Reduced |
| MetLife Investment Management | 13,553 | $216.7K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 12,592 | $201.3K | 0.00% | +12,592 | New |
| Susquehanna Fundamental Investments, LLC | 12,402 | $198.3K | 0.01% | 00.0% | Unchanged |
| Wells Fargo & Company | 12,214 | $195.3K | 0.00% | −1,640−11.8% | Reduced |
| Price T Rowe Associates Inc | 10,761 | $173.0K | 0.00% | +518+5.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 10,421 | $166.6K | 0.00% | −3,379−24.5% | Reduced |
| California State Teachers Retirement System | 10,020 | $160.2K | 0.00% | −485−4.6% | Reduced |
| Citigroup Inc | 9,794 | $156.6K | 0.00% | −7,218−42.4% | Reduced |
| Allostery Investments LP | 9,356 | $149.6K | 1.91% | +9,356 | New |
| Legal & General Group Plc | 8,017 | $128.2K | 0.00% | −7,426−48.1% | Reduced |
| New York State Common Retirement Fund | 6,100 | $97.5K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 5,564 | $89.0K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 5,216 | $83.4K | 0.01% | +1,293+33.0% | Added |
| China Universal Asset Management Co., Ltd. | 5,159 | $82.5K | 0.01% | +16+0.3% | Added |
| Virtus Investment Advisers, Inc. | 4,725 | $75.6K | 0.03% | −2,564−35.2% | Reduced |
| Tower Research Capital LLC (TRC) | 3,214 | $51.4K | 0.00% | +846+35.7% | Added |
| Quest Partners LLC | 2,322 | $37.1K | 0.00% | −430−15.6% | Reduced |
| KLP Kapitalforvaltning AS | 2,300 | $36.8K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,262 | $36.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 2,103 | $33.6K | 0.00% | +535+34.1% | Added |
| Nisa Investment Advisors, LLC | 1,551 | $24.8K | 0.00% | −31−2.0% | Reduced |
| Farther Finance Advisors, LLC | 1,002 | $16.0K | 0.00% | −657−39.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 992 | $15.9K | 0.00% | +113+12.9% | Added |
| Amalgamated Bank | 799 | $13.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 656 | $10.5K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 600 | $9.59K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 514 | $8.22K | 0.00% | +116+29.1% | Added |
| GAMMA Investing LLC | 449 | $7.18K | 0.00% | −45−9.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 305 | $5.00K | 0.00% | +305 | New |
| Caitong International Asset Management Co., Ltd | 290 | $4.64K | 0.00% | +169+139.7% | Added |
| Advisor Group Holdings, Inc. | 251 | $4.01K | 0.00% | +1+0.4% | Added |
| US Bancorp | 232 | $3.71K | 0.00% | +153+193.7% | Added |
| Daiwa Securities Group Inc. | 95 | $2.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 68 | $1.00K | 0.00% | +5+7.9% | Added |