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 2023
Institutional positions in Tourmaline Bio, Inc. as of Sep 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
- 49
- −9 vs. Q2 2023
- Shares held
- 27.4M
- +1.18M (+4.5%) vs. Q2 2023
- Total value
- $77.1M
- −$2.61M (−3.3%) vs. Q2 2023
- New holders
- 4
- 13 more added
- Sold out
- 13
- 18 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Blackstone Group Inc. | 8,089,315 | $22.7M | 0.10% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 2,953,129 | $8.30M | 1.05% | +1,503,095+103.7% | Added |
| Qiming U.S. Ventures Management, LLC | 2,932,606 | $8.24M | 10.94% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 2,403,238 | $6.75M | 0.13% | +70,063+3.0% | Added |
| BML Capital Management, LLC | 2,000,000 | $5.62M | 5.18% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 1,465,602 | $4.12M | 0.01% | +560,828+62.0% | Added |
| Vanguard Group Inc | 1,100,626 | $3.09M | 0.00% | +62,755+6.0% | Added |
| Great Point Partners LLC | 1,000,000 | $2.81M | 0.53% | +333,967+50.1% | Added |
| Artal Group S.A. | 914,262 | $2.57M | 0.11% | 00.0% | Unchanged |
| QVT Financial LP | 589,314 | $1.66M | 0.10% | 00.0% | Unchanged |
| Avoro Capital Advisors LLC | 500,000 | $1.41M | 0.02% | 00.0% | Unchanged |
| Affinity Asset Advisors, LLC | 400,000 | $1.12M | 0.37% | +200,000+100.0% | Added |
| JPMorgan Chase & Co | 388,133 | $1.09M | 0.00% | −64,893−14.3% | Reduced |
| Bridgeway Capital Management, LLC | 301,175 | $846.3K | 0.02% | +151,875+101.7% | Added |
| Dimensional Fund Advisors LP | 272,773 | $766.5K | 0.00% | +184,301+208.3% | Added |
| Walleye Capital LLC | 262,469 | $737.5K | 0.01% | −42,130−13.8% | Reduced |
| Two Sigma Investments, LP | 246,030 | $691.3K | 0.00% | +19,615+8.7% | Added |
| Two Sigma Advisers, LP | 226,627 | $636.8K | 0.00% | +139,127+159.0% | Added |
| Geode Capital Management, LLC | 205,814 | $578.5K | 0.00% | −2,288−1.1% | Reduced |
| Renaissance Technologies LLC | 196,465 | $552.0K | 0.00% | −244,335−55.4% | Reduced |
| Acuitas Investments, LLC | 194,547 | $546.7K | 0.32% | −296,594−60.4% | Reduced |
| Millennium Management LLC | 157,645 | $443.0K | 0.00% | −164,439−51.1% | Reduced |
| BlackRock Inc. | 126,831 | $356.4K | 0.00% | −3,558−2.7% | Reduced |
| Citadel Advisors LLC | 114,482 | $321.7K | 0.00% | −99,272−46.4% | Reduced |
| State Street Corp | 65,448 | $183.9K | 0.00% | 00.0% | Unchanged |
| Man Group plc | – | $141.5K | 0.00% | – | New |
| Marquette Asset Management, LLC | 40,028 | $112.5K | 0.03% | −61,347−60.5% | Reduced |
| Morgan Stanley | 36,197 | $101.7K | 0.00% | −12,198−25.2% | Reduced |
| Northern Trust Corp | 30,458 | $85.6K | 0.00% | +5,448+21.8% | Added |
| XTX Topco Ltd | 21,651 | $60.8K | 0.01% | +1,767+8.9% | Added |
| Bank of New York Mellon Corp | 20,689 | $58.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 18,418 | $51.8K | 0.00% | −13,636−42.5% | Reduced |
| Barclays PLC | 17,696 | $49.7K | 0.00% | +10,647+151.0% | Added |
| Freedom Wealth Alliance, LLC | 16,145 | $45.4K | 0.07% | +16,145 | New |
| Bailard, Inc. | 14,773 | $41.5K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 13,707 | $38.5K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 12,500 | $34.9K | 0.00% | −198−1.6% | Reduced |
| Bank of America Corp | 10,571 | $29.7K | 0.00% | −6,386−37.7% | Reduced |
| Qube Research & Technologies Ltd | 10,078 | $28.3K | 0.00% | −24,192−70.6% | Reduced |
| FMR LLC | 5,602 | $15.7K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,350 | $6.60K | 0.00% | −334−12.4% | Reduced |
| The PNC Financial Services Group, Inc. | 1,925 | $5.41K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 1,164 | $3.27K | 0.00% | −2,335−66.7% | Reduced |
| Tower Research Capital LLC (TRC) | 962 | $2.70K | 0.00% | +962 | New |
| Wells Fargo & Company | 139 | $391 | 0.00% | −16−10.3% | Reduced |
| UBS Group AG | 139 | $391 | 0.00% | +139 | New |
| Citigroup Inc | 88 | $247 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 72 | $202 | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 8,745 | – | – | −10,454−54.5% | Reduced |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −448,359−100.0% | Sold out |
| Scoggin Management LP | 0 | $0 | 0.00% | −289,608−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −91,391−100.0% | Sold out |
| Corsair Capital Management, L.P. | 0 | $0 | 0.00% | −55,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −32,062−100.0% | Sold out |
| Values First Advisors, Inc. | 0 | $0 | 0.00% | −32,009−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −28,902−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −15,727−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −14,649−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −11,215−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −3,440−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −200−100.0% | Sold out |