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 2025
Institutional positions in Tourmaline Bio, Inc. as of Dec 31, 2025. 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
TRML is no longer listed, and 13F filings after Q3 2025 list far fewer holders. See Q3 2025
- Institutional holders
- 0
- −132 vs. Q3 2025
- Shares held
- 0
- −20.9M (−100.0%) vs. Q3 2025
- Total value
- $0
- −$998.3M (−100.0%) vs. Q3 2025
- New holders
- 0
- 0 more added
- Sold out
- 132
- 0 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avoro Capital Advisors LLC | 0 | $0 | 0.00% | −2,555,555−100.0% | Sold out |
| QVT Financial LP | 0 | $0 | 0.00% | −2,154,653−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −1,517,777−100.0% | Sold out |
| TCG Crossover Management, LLC | 0 | $0 | 0.00% | −1,311,783−100.0% | Sold out |
| Pfizer Inc | 0 | $0 | 0.00% | −1,272,214−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −1,165,607−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −1,027,690−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −966,129−100.0% | Sold out |
| Vivaldi Asset Management, LLC | 0 | $0 | 0.00% | −695,757−100.0% | Sold out |
| TIG Advisors, LLC | 0 | $0 | 0.00% | −619,763−100.0% | Sold out |
| Vivo Capital, LLC | 0 | $0 | 0.00% | −591,882−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −539,961−100.0% | Sold out |
| Highland Capital Management Fund Advisors, L.P. | 0 | $0 | 0.00% | −455,360−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −453,952−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −415,970−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −376,738−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −374,785−100.0% | Sold out |
| Acuta Capital Partners, LLC | 0 | $0 | 0.00% | −268,451−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −252,093−100.0% | Sold out |
| Nan Fung Trinity (HK) Ltd | 0 | $0 | 0.00% | −227,090−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −217,221−100.0% | Sold out |
| Alpine Associates Management Inc. | 0 | $0 | 0.00% | −196,177−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −190,625−100.0% | Sold out |
| Glazer Capital, LLC | 0 | $0 | 0.00% | −180,155−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −178,371−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −162,540−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −148,706−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −143,731−100.0% | Sold out |
| Abc Arbitrage SA | 0 | $0 | 0.00% | −139,800−100.0% | Sold out |
| Gabelli Funds LLC | 0 | $0 | 0.00% | −119,850−100.0% | Sold out |
| Chicago Capital Management, LLC | 0 | $0 | 0.00% | −112,406−100.0% | Sold out |
| Harvest Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −95,621−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −91,850−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −89,200−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −84,140−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −69,085−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −63,574−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −60,649−100.0% | Sold out |
| Carmignac Gestion | 0 | $0 | 0.00% | −55,412−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −53,418−100.0% | Sold out |
| Water Island Capital LLC | 0 | $0 | 0.00% | −50,968−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −49,964−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −47,788−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −47,553−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −43,189−100.0% | Sold out |
| Twin Securities, Inc. | 0 | $0 | 0.00% | −33,301−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −32,567−100.0% | Sold out |
| Gabelli & Co Investment Advisers, Inc. | 0 | $0 | 0.00% | −31,050−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −30,558−100.0% | Sold out |
| Credit Industriel Et Commercial | 0 | $0 | 0.00% | −29,661−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −27,801−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −27,282−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −27,057−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −26,273−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −22,400−100.0% | Sold out |
| Oddo BHF Asset Management SAS | 0 | $0 | 0.00% | −20,810−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −20,182−100.0% | Sold out |
| BCK Capital Management LP | 0 | $0 | 0.00% | −19,471−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −18,756−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −18,700−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −18,087−100.0% | Sold out |
| Groupe la Francaise | 0 | $0 | 0.00% | −17,998−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −17,363−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −16,477−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −16,387−100.0% | Sold out |
| BBR Partners, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −14,291−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −13,462−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −13,287−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −12,987−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −12,984−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −12,730−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −12,465−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −12,120−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −11,784−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −11,093−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −10,394−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −10,021−100.0% | Sold out |
| Gamco Investors, Inc. Et Al | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −9,921−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −9,280−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −8,063−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −7,633−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −7,323−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −7,032−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −6,985−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −5,926−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −5,848−100.0% | Sold out |
| Velan Capital Investment Management LP | 0 | $0 | 0.00% | −5,800−100.0% | Sold out |
| Virtus Investment Advisers, Inc. | 0 | $0 | 0.00% | −5,718−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −5,579−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −5,437−100.0% | Sold out |
| Police & Firemen's Retirement System of New Jersey | 0 | $0 | 0.00% | −4,939−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −4,841−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −4,503−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −4,400−100.0% | Sold out |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |