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 2021
Institutional positions in Tourmaline Bio, Inc. as of Sep 30, 2021. 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
- 48
- −2 vs. Q2 2021
- Shares held
- 25.9M
- −106.7K (−0.4%) vs. Q2 2021
- Total value
- $349.4M
- −$30.0M (−7.9%) vs. Q2 2021
- New holders
- 5
- 16 more added
- Sold out
- 7
- 13 more reduced
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Blackstone Group Inc. | 8,089,315 | $109.7M | 0.24% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,289,617 | $44.6M | 0.12% | 00.0% | Unchanged |
| Citadel Advisors LLC | 2,669,466 | $35.4M | 0.04% | −8600.0% | Reduced |
| Artal Group S.A. | 2,064,262 | $28.0M | 0.69% | 00.0% | Unchanged |
| BlackRock Inc. | 1,731,832 | $23.5M | 0.00% | −41,295−2.3% | Reduced |
| Eventide Asset Management, LLC | 1,561,092 | $20.7M | 0.27% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 1,215,847 | $16.3M | 0.66% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 814,163 | $11.0M | 0.92% | +103,163+14.5% | Added |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 761,885 | $10.3M | 0.14% | −91,459−10.7% | Reduced |
| Aisling Capital Management LP | 682,923 | $9.26M | 1.85% | 00.0% | Unchanged |
| Logos Global Management LP | 507,923 | $6.89M | 0.50% | 00.0% | Unchanged |
| Avidity Partners Management LP | 455,000 | $6.17M | 0.16% | +18,637+4.3% | Added |
| Vanguard Group Inc | 394,178 | $5.34M | 0.00% | +3,352+0.9% | Added |
| Laurion Capital Management LP | 298,422 | $4.05M | 0.06% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 247,240 | $3.35M | 0.04% | 00.0% | Unchanged |
| Woodline Partners LP | 206,056 | $2.79M | 0.05% | −1030.0% | Reduced |
| Geode Capital Management, LLC | 171,335 | $2.32M | 0.00% | +17,272+11.2% | Added |
| State Street Corp | 129,077 | $1.75M | 0.00% | +34,115+35.9% | Added |
| Tudor Investment Corp Et Al | 97,825 | $1.33M | 0.03% | −1,124−1.1% | Reduced |
| Northern Trust Corp | 82,987 | $1.13M | 0.00% | −9,797−10.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 76,800 | $1.04M | 0.00% | +76,800 | New |
| FMR LLC | 60,000 | $814.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 27,422 | $372.0K | 0.00% | +10,643+63.4% | Added |
| D. E. Shaw & Co., Inc. | 24,990 | $339.0K | 0.00% | −14,049−36.0% | Reduced |
| Nuveen Asset Management, LLC | 23,245 | $328.0K | 0.00% | +9,147+64.9% | Added |
| Morgan Stanley | 23,845 | $323.0K | 0.00% | +5,592+30.6% | Added |
| Charles Schwab Investment Management Inc | 22,410 | $304.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 20,847 | $283.0K | 0.00% | +16,793+414.2% | Added |
| Parametric Portfolio Associates LLC | 16,934 | $230.0K | 0.00% | +16,934 | New |
| Ghisallo Capital Management LLC | 15,000 | $203.0K | 0.01% | +5,000+50.0% | Added |
| Caas Capital Management LP | 12,493 | $169.0K | 0.01% | −77,507−86.1% | Reduced |
| State of Wisconsin Investment Board | 11,500 | $156.0K | 0.00% | +11,500 | New |
| Two Sigma Advisers, LP | 11,400 | $155.0K | 0.00% | −11,700−50.6% | Reduced |
| Two Sigma Investments, LP | 10,796 | $146.0K | 0.00% | −34,171−76.0% | Reduced |
| New York State Common Retirement Fund | 7,689 | $104.0K | 0.00% | +89+1.2% | Added |
| UBS Group AG | 7,349 | $100.0K | 0.00% | +1,658+29.1% | Added |
| JPMorgan Chase & Co | 6,084 | $82.0K | 0.00% | −7,045−53.7% | Reduced |
| Deutsche Bank AG | 5,280 | $72.0K | 0.00% | −8−0.2% | Reduced |
| American International Group, Inc. | 5,028 | $68.0K | 0.00% | +37+0.7% | Added |
| California State Teachers Retirement System | 4,752 | $64.0K | 0.00% | −7,568−61.4% | Reduced |
| STRS Ohio | 2,100 | $28.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,278 | $17.0K | 0.00% | +768+150.6% | Added |
| Legal & General Group Plc | 858 | $12.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 933 | $12.0K | 0.00% | +324+53.2% | Added |
| Tower Research Capital LLC (TRC) | 785 | $10.0K | 0.00% | +723+1,166.1% | Added |
| Ameritas Investment Partners, Inc. | 698 | $9.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 198 | $3.00K | 0.00% | +198 | New |
| TCI Wealth Advisors, Inc. | 60 | $1.00K | 0.00% | +60 | New |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Clough Capital Partners L P | 0 | $0 | 0.00% | −33,600−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −23,331−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −9,920−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −675−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −250−100.0% | Sold out |