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.
Q2 2023 vs. Q1 2023
How the institutions holding Tourmaline Bio, Inc. changed between Q1 2023 and Q2 2023.
All holders in Q2 2023All holders in Q1 2023
| Measure | Q1 2023 | Q2 2023 | Change |
|---|---|---|---|
| Holders | 54 | 58 | +4 |
| Shares | 26.9M | 26.2M | −716.8K (−2.7%) |
| Value | $50.6M | $79.7M | +$29.1M (+57.4%) |
New holders (20)
Institutions that held Tourmaline Bio, Inc. at the end of Q2 2023 but not at the end of Q1 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Ra Capital Management, L.P. | 2,333,175 | $7.09M | 0.13% |
| Nantahala Capital Management, LLC | 1,450,034 | $4.41M | 0.54% |
| Balyasny Asset Management LLC | 904,774 | $2.75M | 0.01% |
| Great Point Partners LLC | 666,033 | $2.02M | 0.41% |
| QVT Financial LP | 589,314 | $1.79M | 0.11% |
| Avoro Capital Advisors LLC | 500,000 | $1.52M | 0.02% |
| Acuitas Investments, LLC | 491,141 | $1.49M | 0.87% |
| HighTower Advisors, LLC | 448,359 | $1.36M | 0.00% |
| Millennium Management LLC | 322,084 | $979.1K | 0.00% |
| Walleye Capital LLC | 304,599 | $926.0K | 0.02% |
| Scoggin Management LP | 289,608 | $880.4K | 1.58% |
| Affinity Asset Advisors, LLC | 200,000 | $608.0K | 0.24% |
| Dimensional Fund Advisors LP | 88,472 | $269.0K | 0.00% |
| Corsair Capital Management, L.P. | 55,000 | $167.2K | 0.06% |
| Qube Research & Technologies Ltd | 34,270 | $104.2K | 0.00% |
| Y-Intercept (Hong Kong) Ltd | 32,062 | $97.5K | 0.01% |
| Occudo Quantitative Strategies LP | 28,902 | $87.9K | 0.01% |
| XTX Topco Ltd | 19,884 | $60.4K | 0.01% |
| Prelude Capital Management, LLC | 15,727 | $47.8K | 0.00% |
| Two Sigma Securities, LLC | 14,649 | $44.5K | 0.00% |
Sold out (16)
Institutions that held Tourmaline Bio, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.
| Institution | Shares, Q1 2023 | Value, Q1 2023 |
|---|---|---|
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,289,617 | $6.18M |
| Eventide Asset Management, LLC | 1,561,092 | $2.93M |
| Cormorant Asset Management, LP | 900,649 | $1.69M |
| Western Standard LLC | 586,481 | $1.10M |
| Laurion Capital Management LP | 298,422 | $561.0K |
| Deutsche Bank AG | 14,154 | $26.6K |
| Prospera Financial Services Inc | 13,973 | $26.3K |
| Alliancebernstein L.P. | 13,600 | $25.6K |
| American International Group, Inc. | 11,132 | $20.9K |
| California State Teachers Retirement System | 8,575 | $16.1K |
| Tower Research Capital LLC (TRC) | 8,666 | $16.0K |
| UBS Group AG | 7,780 | $14.6K |
| Amalgamated Bank | 2,311 | $4.00K |
| Legal & General Group Plc | 1,991 | $3.74K |
| Ameritas Investment Partners, Inc. | 1,647 | $3.10K |
| STRS Ohio | 2,100 | $3.00K |