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 |
|---|---|---|---|---|---|
| Nisa Investment Advisors, LLC | 72 | $202 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 88 | $247 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 139 | $391 | 0.00% | −16−10.3% | Reduced |
| UBS Group AG | 139 | $391 | 0.00% | +139 | New |
| Tower Research Capital LLC (TRC) | 962 | $2.70K | 0.00% | +962 | New |
| Rhumbline Advisers | 1,164 | $3.27K | 0.00% | −2,335−66.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,925 | $5.41K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,350 | $6.60K | 0.00% | −334−12.4% | Reduced |
| FMR LLC | 5,602 | $15.7K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 10,078 | $28.3K | 0.00% | −24,192−70.6% | Reduced |
| Bank of America Corp | 10,571 | $29.7K | 0.00% | −6,386−37.7% | Reduced |
| Bank of Montreal | 12,500 | $34.9K | 0.00% | −198−1.6% | Reduced |
| Charles Schwab Investment Management Inc | 13,707 | $38.5K | 0.00% | 00.0% | Unchanged |
| Bailard, Inc. | 14,773 | $41.5K | 0.00% | 00.0% | Unchanged |
| Freedom Wealth Alliance, LLC | 16,145 | $45.4K | 0.07% | +16,145 | New |
| Barclays PLC | 17,696 | $49.7K | 0.00% | +10,647+151.0% | Added |
| Susquehanna International Group, LLP | 18,418 | $51.8K | 0.00% | −13,636−42.5% | Reduced |
| Bank of New York Mellon Corp | 20,689 | $58.1K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 21,651 | $60.8K | 0.01% | +1,767+8.9% | Added |
| Northern Trust Corp | 30,458 | $85.6K | 0.00% | +5,448+21.8% | Added |
| Morgan Stanley | 36,197 | $101.7K | 0.00% | −12,198−25.2% | Reduced |
| Marquette Asset Management, LLC | 40,028 | $112.5K | 0.03% | −61,347−60.5% | Reduced |
| Man Group plc | – | $141.5K | 0.00% | – | New |
| State Street Corp | 65,448 | $183.9K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 114,482 | $321.7K | 0.00% | −99,272−46.4% | Reduced |
| BlackRock Inc. | 126,831 | $356.4K | 0.00% | −3,558−2.7% | Reduced |
| Millennium Management LLC | 157,645 | $443.0K | 0.00% | −164,439−51.1% | Reduced |
| Acuitas Investments, LLC | 194,547 | $546.7K | 0.32% | −296,594−60.4% | Reduced |
| Renaissance Technologies LLC | 196,465 | $552.0K | 0.00% | −244,335−55.4% | Reduced |
| Geode Capital Management, LLC | 205,814 | $578.5K | 0.00% | −2,288−1.1% | Reduced |
| Two Sigma Advisers, LP | 226,627 | $636.8K | 0.00% | +139,127+159.0% | Added |
| Two Sigma Investments, LP | 246,030 | $691.3K | 0.00% | +19,615+8.7% | Added |
| Walleye Capital LLC | 262,469 | $737.5K | 0.01% | −42,130−13.8% | Reduced |
| Dimensional Fund Advisors LP | 272,773 | $766.5K | 0.00% | +184,301+208.3% | Added |
| Bridgeway Capital Management, LLC | 301,175 | $846.3K | 0.02% | +151,875+101.7% | Added |
| JPMorgan Chase & Co | 388,133 | $1.09M | 0.00% | −64,893−14.3% | Reduced |
| Affinity Asset Advisors, LLC | 400,000 | $1.12M | 0.37% | +200,000+100.0% | Added |
| Avoro Capital Advisors LLC | 500,000 | $1.41M | 0.02% | 00.0% | Unchanged |
| QVT Financial LP | 589,314 | $1.66M | 0.10% | 00.0% | Unchanged |
| Artal Group S.A. | 914,262 | $2.57M | 0.11% | 00.0% | Unchanged |
| Great Point Partners LLC | 1,000,000 | $2.81M | 0.53% | +333,967+50.1% | Added |
| Vanguard Group Inc | 1,100,626 | $3.09M | 0.00% | +62,755+6.0% | Added |
| Balyasny Asset Management LLC | 1,465,602 | $4.12M | 0.01% | +560,828+62.0% | Added |
| BML Capital Management, LLC | 2,000,000 | $5.62M | 5.18% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 2,403,238 | $6.75M | 0.13% | +70,063+3.0% | Added |
| Qiming U.S. Ventures Management, LLC | 2,932,606 | $8.24M | 10.94% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 2,953,129 | $8.30M | 1.05% | +1,503,095+103.7% | Added |
| Blackstone Group Inc. | 8,089,315 | $22.7M | 0.10% | 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 |