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, Q3 2025
Institutional positions in Tourmaline Bio, Inc. as of Sep 30, 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, so this page shows Q3 2025. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 134
- +25 vs. Q2 2025
- Shares held
- 21.6M
- −2.45M (−10.2%) vs. Q2 2025
- Total value
- $1.03B
- +$649.2M (+168.7%) vs. Q2 2025
- New holders
- 52
- 22 more added
- Sold out
- 27
- 44 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Board of Administration of Florida Retirement System | 4,400 | $210.5K | 0.00% | +4,400 | New |
| PenderFund Capital Management Ltd. | 3,000 | $143.5K | 0.02% | +3,000 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,515 | $120.3K | 0.00% | +2,515 | New |
| KLP Kapitalforvaltning AS | 2,300 | $110.0K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 2,146 | $102.6K | 0.00% | +1,144+114.2% | Added |
| Quantbot Technologies LP | 1,948 | $93.2K | 0.00% | +1,948 | New |
| Russell Investments Group, Ltd. | 1,579 | $75.5K | 0.00% | +1,579 | New |
| Nisa Investment Advisors, LLC | 1,551 | $74.2K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,463 | $70.0K | 0.00% | −799−35.3% | Reduced |
| FMR LLC | 1,451 | $69.4K | 0.00% | −55,986−97.5% | Reduced |
| Citigroup Inc | 1,418 | $67.8K | 0.00% | −8,376−85.5% | Reduced |
| Caitong International Asset Management Co., Ltd | 1,234 | $59.0K | 0.04% | +944+325.5% | Added |
| Sterling Capital Management LLC | 1,208 | $57.8K | 0.00% | +694+135.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 993 | $47.5K | 0.00% | +1+0.1% | Added |
| Tower Research Capital LLC (TRC) | 740 | $35.4K | 0.00% | −2,474−77.0% | Reduced |
| Versant Capital Management, Inc | 600 | $28.7K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 570 | $27.3K | 0.00% | +121+26.9% | Added |
| Amalgamated Bank | 567 | $27.0K | 0.00% | −232−29.0% | Reduced |
| GF Fund Management Co. Ltd. | 555 | $26.5K | 0.00% | −101−15.4% | Reduced |
| Royal Bank of Canada | 384 | $18.0K | 0.00% | −121,562−99.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 243 | $12.0K | 0.00% | −62−20.3% | Reduced |
| EverSource Wealth Advisors, LLC | 183 | $8.75K | 0.00% | +150+454.5% | Added |
| US Bancorp | 144 | $6.89K | 0.00% | −88−37.9% | Reduced |
| Optiver Holding B.V. | 128 | $6.12K | 0.00% | +128 | New |
| Advisor Group Holdings, Inc. | 251 | $5.90K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 95 | $5.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 71 | $3.00K | 0.00% | +3+4.4% | Added |
| Parkside Financial Bank & Trust | 48 | $2.30K | 0.00% | +13+37.1% | Added |
| SRS Capital Advisors, Inc. | 47 | $2.25K | 0.00% | −5−9.6% | Reduced |
| Rothschild Investment LLC | 45 | $2.15K | 0.00% | −15−25.0% | Reduced |
| The PNC Financial Services Group, Inc. | 20 | $957 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 18 | $861 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 13 | $626 | 0.00% | +13 | New |
| SBI Securities Co., Ltd. | 2 | $96 | 0.00% | −1−33.3% | Reduced |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −2,538,925−100.0% | Sold out |
| Blue Owl Capital Holdings LP | 0 | $0 | 0.00% | −997,107−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −905,000−100.0% | Sold out |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −682,129−100.0% | Sold out |
| Nantahala Capital Management, LLC | 0 | $0 | 0.00% | −558,187−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −353,514−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −314,580−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −243,744−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −135,637−100.0% | Sold out |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −116,510−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −109,257−100.0% | Sold out |
| Siren, L.L.C. | 0 | $0 | 0.00% | −91,426−100.0% | Sold out |
| Polymer Capital Management (HK) LTD | 0 | $0 | 0.00% | −86,934−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −85,177−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −67,927−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −39,719−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −26,876−100.0% | Sold out |
| Wesbanco Bank Inc | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −22,056−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −19,822−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −19,559−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −13,966−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −12,402−100.0% | Sold out |
| Allostery Investments LP | 0 | $0 | 0.00% | −9,356−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −5,216−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | 0 | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |