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 |
|---|---|---|---|---|---|
| TCI Wealth Advisors, Inc. | 60 | $1.00K | 0.00% | +60 | New |
| Captrust Financial Advisors | 198 | $3.00K | 0.00% | +198 | New |
| Ameritas Investment Partners, Inc. | 698 | $9.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 785 | $10.0K | 0.00% | +723+1,166.1% | 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 |
| Citigroup Inc | 1,278 | $17.0K | 0.00% | +768+150.6% | Added |
| STRS Ohio | 2,100 | $28.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 4,752 | $64.0K | 0.00% | −7,568−61.4% | Reduced |
| American International Group, Inc. | 5,028 | $68.0K | 0.00% | +37+0.7% | Added |
| Deutsche Bank AG | 5,280 | $72.0K | 0.00% | −8−0.2% | Reduced |
| JPMorgan Chase & Co | 6,084 | $82.0K | 0.00% | −7,045−53.7% | Reduced |
| UBS Group AG | 7,349 | $100.0K | 0.00% | +1,658+29.1% | Added |
| New York State Common Retirement Fund | 7,689 | $104.0K | 0.00% | +89+1.2% | Added |
| Two Sigma Investments, LP | 10,796 | $146.0K | 0.00% | −34,171−76.0% | Reduced |
| Two Sigma Advisers, LP | 11,400 | $155.0K | 0.00% | −11,700−50.6% | Reduced |
| State of Wisconsin Investment Board | 11,500 | $156.0K | 0.00% | +11,500 | New |
| Caas Capital Management LP | 12,493 | $169.0K | 0.01% | −77,507−86.1% | Reduced |
| Ghisallo Capital Management LLC | 15,000 | $203.0K | 0.01% | +5,000+50.0% | Added |
| Parametric Portfolio Associates LLC | 16,934 | $230.0K | 0.00% | +16,934 | New |
| Bank of America Corp | 20,847 | $283.0K | 0.00% | +16,793+414.2% | Added |
| Charles Schwab Investment Management Inc | 22,410 | $304.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 23,845 | $323.0K | 0.00% | +5,592+30.6% | Added |
| Nuveen Asset Management, LLC | 23,245 | $328.0K | 0.00% | +9,147+64.9% | Added |
| D. E. Shaw & Co., Inc. | 24,990 | $339.0K | 0.00% | −14,049−36.0% | Reduced |
| Bank of New York Mellon Corp | 27,422 | $372.0K | 0.00% | +10,643+63.4% | Added |
| FMR LLC | 60,000 | $814.0K | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 76,800 | $1.04M | 0.00% | +76,800 | New |
| Northern Trust Corp | 82,987 | $1.13M | 0.00% | −9,797−10.6% | Reduced |
| Tudor Investment Corp Et Al | 97,825 | $1.33M | 0.03% | −1,124−1.1% | Reduced |
| State Street Corp | 129,077 | $1.75M | 0.00% | +34,115+35.9% | Added |
| Geode Capital Management, LLC | 171,335 | $2.32M | 0.00% | +17,272+11.2% | Added |
| Woodline Partners LP | 206,056 | $2.79M | 0.05% | −1030.0% | Reduced |
| OrbiMed Advisors LLC | 247,240 | $3.35M | 0.04% | 00.0% | Unchanged |
| Laurion Capital Management LP | 298,422 | $4.05M | 0.06% | 00.0% | Unchanged |
| Vanguard Group Inc | 394,178 | $5.34M | 0.00% | +3,352+0.9% | Added |
| Avidity Partners Management LP | 455,000 | $6.17M | 0.16% | +18,637+4.3% | Added |
| Logos Global Management LP | 507,923 | $6.89M | 0.50% | 00.0% | Unchanged |
| Aisling Capital Management LP | 682,923 | $9.26M | 1.85% | 00.0% | Unchanged |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 761,885 | $10.3M | 0.14% | −91,459−10.7% | Reduced |
| Sectoral Asset Management Inc | 814,163 | $11.0M | 0.92% | +103,163+14.5% | Added |
| Cormorant Asset Management, LP | 1,215,847 | $16.3M | 0.66% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 1,561,092 | $20.7M | 0.27% | 00.0% | Unchanged |
| BlackRock Inc. | 1,731,832 | $23.5M | 0.00% | −41,295−2.3% | Reduced |
| Artal Group S.A. | 2,064,262 | $28.0M | 0.69% | 00.0% | Unchanged |
| Citadel Advisors LLC | 2,669,466 | $35.4M | 0.04% | −8600.0% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,289,617 | $44.6M | 0.12% | 00.0% | Unchanged |
| Blackstone Group Inc. | 8,089,315 | $109.7M | 0.24% | 00.0% | Unchanged |
| 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 |