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 |
|---|---|---|---|---|---|
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −2,515−100.0% | Sold out |
| KLP Kapitalforvaltning AS | 0 | $0 | 0.00% | −2,300−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −2,146−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,948−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −1,579−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −1,551−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −1,463−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −1,451−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −1,418−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1,234−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −1,208−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −993−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −740−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −570−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −567−100.0% | Sold out |
| GF Fund Management Co. Ltd. | 0 | $0 | 0.00% | −555−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −384−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −243−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −183−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −144−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −128−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −251−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −71−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Qiming U.S. Ventures Management, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |