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, Q4 2022
Institutional positions in Tourmaline Bio, Inc. as of Dec 31, 2022. 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
- 54
- −2 vs. Q3 2022
- Shares held
- 26.8M
- −463.8K (−1.7%) vs. Q3 2022
- Total value
- $27.4M
- −$44.7M (−62.0%) vs. Q3 2022
- New holders
- 10
- 17 more added
- Sold out
- 12
- 11 more reduced
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Blackstone Group Inc. | 8,089,315 | $8.25M | 0.03% | 00.0% | Unchanged |
| Citadel Advisors LLC | 3,522,138 | $3.59M | 0.00% | +859,572+32.3% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,289,617 | $3.36M | 0.02% | 00.0% | Unchanged |
| Qiming U.S. Ventures Management, LLC | 2,932,606 | $2.99M | 3.96% | 00.0% | Unchanged |
| Artal Group S.A. | 2,064,262 | $2.11M | 0.12% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 1,561,092 | $1.59M | 0.03% | 00.0% | Unchanged |
| BlackRock Inc. | 1,099,545 | $1.12M | 0.00% | −888,191−44.7% | Reduced |
| Vanguard Group Inc | 1,051,811 | $1.07M | 0.00% | +34,813+3.4% | Added |
| Cormorant Asset Management, LP | 900,649 | $919.0K | 0.06% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 367,920 | $375.0K | 0.00% | −5,527−1.5% | Reduced |
| State Street Corp | 336,642 | $343.4K | 0.00% | +5,511+1.7% | Added |
| Laurion Capital Management LP | 298,422 | $304.4K | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 166,670 | $170.0K | 0.00% | −7,068−4.1% | Reduced |
| Bridgeway Capital Management, LLC | 164,400 | $167.7K | 0.00% | +152,900+1,329.6% | Added |
| Acadian Asset Management LLC | 111,410 | $113.0K | 0.00% | +70,762+174.1% | Added |
| Two Sigma Investments, LP | 104,672 | $106.8K | 0.00% | +69,494+197.5% | Added |
| Caas Capital Management LP | 90,181 | $92.0K | 0.02% | −207,526−69.7% | Reduced |
| Marquette Asset Management, LLC | 79,381 | $81.0K | 0.02% | +79,381 | New |
| Bank of New York Mellon Corp | 58,559 | $59.7K | 0.00% | −7,247−11.0% | Reduced |
| Charles Schwab Investment Management Inc | 50,489 | $51.5K | 0.00% | −3,539−6.6% | Reduced |
| Ergoteles LLC | 43,522 | $44.4K | 0.00% | +43,522 | New |
| Values First Advisors, Inc. | 39,891 | $40.7K | 0.03% | +9,176+29.9% | Added |
| Goldman Sachs Group Inc | 39,884 | $40.7K | 0.00% | +7,570+23.4% | Added |
| Prospera Financial Services Inc | 35,532 | $36.2K | 0.00% | +22,580+174.3% | Added |
| Rhumbline Advisers | 34,222 | $35.0K | 0.00% | +575+1.7% | Added |
| Two Sigma Advisers, LP | 33,700 | $34.4K | 0.00% | +33,700 | New |
| Squarepoint Ops LLC | 28,084 | $28.6K | 0.00% | +28,084 | New |
| Chicago Partners Investment Group LLC | 14,834 | $26.2K | 0.00% | +14,834 | New |
| Renaissance Technologies LLC | 20,800 | $21.0K | 0.00% | +20,800 | New |
| Bank of America Corp | 20,452 | $20.9K | 0.00% | +2,471+13.7% | Added |
| Virtu Financial LLC | 16,372 | $17.0K | 0.00% | +16,372 | New |
| New York State Common Retirement Fund | 14,800 | $15.1K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 14,260 | $14.5K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 13,728 | $14.0K | 0.00% | −1,380−9.1% | Reduced |
| Alliancebernstein L.P. | 13,600 | $13.9K | 0.00% | +13,600 | New |
| Morgan Stanley | 13,336 | $13.6K | 0.00% | −5,853−30.5% | Reduced |
| Barclays PLC | 13,242 | $13.5K | 0.00% | +5,215+65.0% | Added |
| Commonwealth Equity Services, LLC | 13,000 | $13.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 11,092 | $11.3K | 0.00% | +11,092 | New |
| American International Group, Inc. | 10,911 | $11.1K | 0.00% | −39−0.4% | Reduced |
| California State Teachers Retirement System | 9,208 | $9.39K | 0.00% | +104+1.1% | Added |
| Tower Research Capital LLC (TRC) | 9,034 | $9.00K | 0.00% | +397+4.6% | Added |
| Deutsche Bank AG | 8,766 | $8.94K | 0.00% | +155+1.8% | Added |
| Royal Bank of Canada | 3,609 | $4.00K | 0.00% | +3,328+1,184.3% | Added |
| Amalgamated Bank | 2,793 | $3.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,647 | $2.16K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,991 | $2.03K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 2,100 | $2.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 1,680 | $1.71K | 0.00% | +1,680 | New |
| FMR LLC | 1,166 | $1.19K | 0.00% | +614+111.2% | Added |
| Citigroup Inc | 226 | $231 | 0.00% | −680−75.1% | Reduced |
| Credit Suisse AG | 1 | $1 | 0.00% | −129−99.2% | Reduced |
| Rockefeller Capital Management L.P. | 67 | $0 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 5,465 | – | – | 00.0% | Unchanged |
| Bank of Montreal | 0 | $0 | 0.00% | −334,061−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −197,913−100.0% | Sold out |
| Aisling Capital Management LP | 0 | $0 | 0.00% | −175,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −53,228−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −29,668−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −24,483−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −17,877−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,403−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −1,778−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −391−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −121−100.0% | Sold out |