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 2023
Institutional positions in Tourmaline Bio, Inc. as of Jun 30, 2023. 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
- 58
- +4 vs. Q1 2023
- Shares held
- 26.2M
- −716.8K (−2.7%) vs. Q1 2023
- Total value
- $79.7M
- +$29.1M (+57.4%) vs. Q1 2023
- New holders
- 20
- 11 more added
- Sold out
- 16
- 20 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Blackstone Group Inc. | 8,089,315 | $24.6M | 0.11% | 00.0% | Unchanged |
| Qiming U.S. Ventures Management, LLC | 2,932,606 | $8.92M | 9.37% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 2,333,175 | $7.09M | 0.13% | +2,333,175 | New |
| BML Capital Management, LLC | 2,000,000 | $6.08M | 5.47% | +70,516+3.7% | Added |
| Nantahala Capital Management, LLC | 1,450,034 | $4.41M | 0.54% | +1,450,034 | New |
| Vanguard Group Inc | 1,037,871 | $3.16M | 0.00% | −87,076−7.7% | Reduced |
| Artal Group S.A. | 914,262 | $2.78M | 0.09% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 904,774 | $2.75M | 0.01% | +904,774 | New |
| Great Point Partners LLC | 666,033 | $2.02M | 0.41% | +666,033 | New |
| QVT Financial LP | 589,314 | $1.79M | 0.11% | +589,314 | New |
| Avoro Capital Advisors LLC | 500,000 | $1.52M | 0.02% | +500,000 | New |
| Acuitas Investments, LLC | 491,141 | $1.49M | 0.87% | +491,141 | New |
| JPMorgan Chase & Co | 453,026 | $1.38M | 0.00% | +434,685+2,370.0% | Added |
| HighTower Advisors, LLC | 448,359 | $1.36M | 0.00% | +448,359 | New |
| Renaissance Technologies LLC | 440,800 | $1.34M | 0.00% | +385,400+695.7% | Added |
| Millennium Management LLC | 322,084 | $979.1K | 0.00% | +322,084 | New |
| Walleye Capital LLC | 304,599 | $926.0K | 0.02% | +304,599 | New |
| Scoggin Management LP | 289,608 | $880.4K | 1.58% | +289,608 | New |
| Two Sigma Investments, LP | 226,415 | $688.3K | 0.00% | +198,851+721.4% | Added |
| Citadel Advisors LLC | 213,754 | $649.8K | 0.00% | −831,372−79.5% | Reduced |
| Geode Capital Management, LLC | 208,102 | $632.6K | 0.00% | −200,008−49.0% | Reduced |
| Affinity Asset Advisors, LLC | 200,000 | $608.0K | 0.24% | +200,000 | New |
| Bridgeway Capital Management, LLC | 149,300 | $453.9K | 0.01% | +21,400+16.7% | Added |
| BlackRock Inc. | 130,389 | $396.4K | 0.00% | −1,034,478−88.8% | Reduced |
| Marquette Asset Management, LLC | 101,375 | $308.2K | 0.08% | 00.0% | Unchanged |
| Jane Street Group, LLC | 91,391 | $277.8K | 0.00% | +79,723+683.3% | Added |
| Dimensional Fund Advisors LP | 88,472 | $269.0K | 0.00% | +88,472 | New |
| Two Sigma Advisers, LP | 87,500 | $266.0K | 0.00% | +62,000+243.1% | Added |
| State Street Corp | 65,448 | $199.0K | 0.00% | −289,281−81.5% | Reduced |
| Corsair Capital Management, L.P. | 55,000 | $167.2K | 0.06% | +55,000 | New |
| Morgan Stanley | 48,395 | $147.1K | 0.00% | −226,240−82.4% | Reduced |
| Qube Research & Technologies Ltd | 34,270 | $104.2K | 0.00% | +34,270 | New |
| Y-Intercept (Hong Kong) Ltd | 32,062 | $97.5K | 0.01% | +32,062 | New |
| Susquehanna International Group, LLP | 32,054 | $97.4K | 0.00% | +17,657+122.6% | Added |
| Values First Advisors, Inc. | 32,009 | $97.3K | 0.06% | −20,887−39.5% | Reduced |
| Occudo Quantitative Strategies LP | 28,902 | $87.9K | 0.01% | +28,902 | New |
| Northern Trust Corp | 25,010 | $76.0K | 0.00% | −138,352−84.7% | Reduced |
| Bank of New York Mellon Corp | 20,689 | $62.9K | 0.00% | −37,870−64.7% | Reduced |
| XTX Topco Ltd | 19,884 | $60.4K | 0.01% | +19,884 | New |
| Goldman Sachs Group Inc | 19,199 | $58.4K | 0.00% | −1,756−8.4% | Reduced |
| Bank of America Corp | 16,957 | $51.5K | 0.00% | −9,400−35.7% | Reduced |
| Prelude Capital Management, LLC | 15,727 | $47.8K | 0.00% | +15,727 | New |
| Bailard, Inc. | 14,773 | $44.9K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 14,649 | $44.5K | 0.00% | +14,649 | New |
| Charles Schwab Investment Management Inc | 13,707 | $41.7K | 0.00% | −36,782−72.9% | Reduced |
| Bank of Montreal | 12,698 | $40.5K | 0.00% | −3,265−20.5% | Reduced |
| Commonwealth Equity Services, LLC | 13,000 | $40.0K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 11,215 | $34.0K | 0.00% | −227,298−95.3% | Reduced |
| Barclays PLC | 7,049 | $21.4K | 0.00% | −11,711−62.4% | Reduced |
| FMR LLC | 5,602 | $17.0K | 0.00% | +63+1.1% | Added |
| Rhumbline Advisers | 3,499 | $10.6K | 0.00% | −30,923−89.8% | Reduced |
| Royal Bank of Canada | 3,440 | $10.0K | 0.00% | +2,151+166.9% | Added |
| Federated Hermes, Inc. | 2,684 | $8.16K | 0.00% | +74+2.8% | Added |
| The PNC Financial Services Group, Inc. | 1,925 | $5.85K | 0.00% | −93−4.6% | Reduced |
| New York State Common Retirement Fund | 200 | $608 | 0.00% | −14,600−98.6% | Reduced |
| Wells Fargo & Company | 155 | $471 | 0.00% | −3,934−96.2% | Reduced |
| Citigroup Inc | 88 | $268 | 0.00% | −849,873−100.0% | Reduced |
| Nisa Investment Advisors, LLC | 72 | $219 | 0.00% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −3,289,617−100.0% | Sold out |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −1,561,092−100.0% | Sold out |
| Cormorant Asset Management, LP | 0 | $0 | 0.00% | −900,649−100.0% | Sold out |
| Western Standard LLC | 0 | $0 | 0.00% | −586,481−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −298,422−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −14,154−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −13,973−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −13,600−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −11,132−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −8,575−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −8,666−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −7,780−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −2,311−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −1,991−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −1,647−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |