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 2024
Institutional positions in Tourmaline Bio, Inc. as of Dec 31, 2024. 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
- 101
- +9 vs. Q3 2024
- Shares held
- 22.9M
- +1.83M (+8.7%) vs. Q3 2024
- Total value
- $463.6M
- −$77.1M (−14.3%) vs. Q3 2024
- New holders
- 22
- 40 more added
- Sold out
- 13
- 22 more reduced
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 2,538,925 | $51.5M | 0.69% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −338,437−100.0% | Sold out |
| Eversept Partners, LP | 0 | $0 | 0.00% | −84,380−100.0% | Sold out |
| Superstring Capital Management LP | 0 | $0 | 0.00% | −29,104−100.0% | Sold out |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −19,110−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −12,112−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −11,260−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −10,119−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −8,804−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −7,944−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −7,753−100.0% | Sold out |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −33−100.0% | Sold out |