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, Q1 2023
Institutional positions in Tourmaline Bio, Inc. as of Mar 31, 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
- 54
- 0 vs. Q4 2022
- Shares held
- 26.9M
- +98.0K (+0.4%) vs. Q4 2022
- Total value
- $50.6M
- +$23.3M (+84.9%) vs. Q4 2022
- New holders
- 9
- 18 more added
- Sold out
- 9
- 13 more reduced
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Blackstone Group Inc. | 8,089,315 | $15.2M | 0.06% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,289,617 | $6.18M | 0.03% | 00.0% | Unchanged |
| Qiming U.S. Ventures Management, LLC | 2,932,606 | $5.51M | 6.67% | 00.0% | Unchanged |
| BML Capital Management, LLC | 1,929,484 | $3.63M | 3.14% | +1,929,484 | New |
| Eventide Asset Management, LLC | 1,561,092 | $2.93M | 0.05% | 00.0% | Unchanged |
| BlackRock Inc. | 1,164,867 | $2.19M | 0.00% | +65,322+5.9% | Added |
| Vanguard Group Inc | 1,124,947 | $2.11M | 0.00% | +73,136+7.0% | Added |
| Citadel Advisors LLC | 1,045,126 | $1.96M | 0.00% | −2,477,012−70.3% | Reduced |
| Artal Group S.A. | 914,262 | $1.72M | 0.10% | −1,150,000−55.7% | Reduced |
| Cormorant Asset Management, LP | 900,649 | $1.69M | 0.11% | 00.0% | Unchanged |
| Citigroup Inc | 849,961 | $1.60M | 0.00% | +849,735+375,988.9% | Added |
| Western Standard LLC | 586,481 | $1.10M | 1.12% | +586,481 | New |
| Geode Capital Management, LLC | 408,110 | $767.2K | 0.00% | +40,190+10.9% | Added |
| State Street Corp | 354,729 | $666.9K | 0.00% | +18,087+5.4% | Added |
| Laurion Capital Management LP | 298,422 | $561.0K | 0.03% | 00.0% | Unchanged |
| Morgan Stanley | 274,635 | $516.3K | 0.00% | +261,299+1,959.4% | Added |
| Acadian Asset Management LLC | 238,513 | $447.0K | 0.00% | +127,103+114.1% | Added |
| Northern Trust Corp | 163,362 | $307.1K | 0.00% | −3,308−2.0% | Reduced |
| Bridgeway Capital Management, LLC | 127,900 | $240.5K | 0.01% | −36,500−22.2% | Reduced |
| Marquette Asset Management, LLC | 101,375 | $190.6K | 0.05% | +21,994+27.7% | Added |
| Bank of New York Mellon Corp | 58,559 | $110.1K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 55,400 | $104.0K | 0.00% | +34,600+166.3% | Added |
| Values First Advisors, Inc. | 52,896 | $99.4K | 0.06% | +13,005+32.6% | Added |
| Charles Schwab Investment Management Inc | 50,489 | $94.9K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 34,422 | $65.0K | 0.00% | +200+0.6% | Added |
| Two Sigma Investments, LP | 27,564 | $51.8K | 0.00% | −77,108−73.7% | Reduced |
| Bank of America Corp | 26,357 | $49.6K | 0.00% | +5,905+28.9% | Added |
| Two Sigma Advisers, LP | 25,500 | $47.9K | 0.00% | −8,200−24.3% | Reduced |
| Goldman Sachs Group Inc | 20,955 | $39.4K | 0.00% | −18,929−47.5% | Reduced |
| Barclays PLC | 18,760 | $35.3K | 0.00% | +5,518+41.7% | Added |
| JPMorgan Chase & Co | 18,341 | $34.0K | 0.00% | +4,613+33.6% | Added |
| Bank of Montreal | 15,963 | $30.6K | 0.00% | +15,963 | New |
| New York State Common Retirement Fund | 14,800 | $27.8K | 0.00% | 00.0% | Unchanged |
| Bailard, Inc. | 14,773 | $27.8K | 0.00% | +14,773 | New |
| Susquehanna International Group, LLP | 14,397 | $27.1K | 0.00% | +14,397 | New |
| Deutsche Bank AG | 14,154 | $26.6K | 0.00% | +5,388+61.5% | Added |
| Prospera Financial Services Inc | 13,973 | $26.3K | 0.00% | −21,559−60.7% | Reduced |
| Alliancebernstein L.P. | 13,600 | $25.6K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 13,000 | $24.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 11,668 | $21.9K | 0.00% | +11,668 | New |
| American International Group, Inc. | 11,132 | $20.9K | 0.00% | +221+2.0% | Added |
| California State Teachers Retirement System | 8,575 | $16.1K | 0.00% | −633−6.9% | Reduced |
| Tower Research Capital LLC (TRC) | 8,666 | $16.0K | 0.00% | −368−4.1% | Reduced |
| UBS Group AG | 7,780 | $14.6K | 0.00% | −3,312−29.9% | Reduced |
| FMR LLC | 5,539 | $10.4K | 0.00% | +4,373+375.0% | Added |
| Wells Fargo & Company | 4,089 | $7.69K | 0.00% | +4,089 | New |
| Federated Hermes, Inc. | 2,610 | $4.91K | 0.00% | +930+55.4% | Added |
| Amalgamated Bank | 2,311 | $4.00K | 0.00% | −482−17.3% | Reduced |
| The PNC Financial Services Group, Inc. | 2,018 | $3.79K | 0.00% | +2,018 | New |
| Legal & General Group Plc | 1,991 | $3.74K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,647 | $3.10K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 2,100 | $3.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,289 | $2.00K | 0.00% | −2,320−64.3% | Reduced |
| Nisa Investment Advisors, LLC | 72 | $0 | 0.00% | +72 | New |
| Caas Capital Management LP | 0 | $0 | 0.00% | −90,181−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −43,522−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −28,084−100.0% | Sold out |
| Chicago Partners Investment Group LLC | 0 | $0 | 0.00% | −14,834−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −16,372−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −14,260−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −5,465−100.0% | Sold out |