Tourmaline BioTRML
13F holders, Q4 2024 (December 31)101holders +10
18new positions
13sold out
2famous investors
$20.28avg. 13F price*
At the end of Q4 2024, 101 institutions reported holding Tourmaline Bio Inc. (TRML) in their 13F filings, up 10 from Q3 2024. 18 opened new positions and 13 sold out. The largest holders were Ra Capital Management, L.P. ($51.5M), Avoro Capital Advisors LLC ($45.1M) and BlackRock, Inc. ($36.6M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Tourmaline Bio Inc.
- CUSIP
- 89157D105
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $16.6M |
| Exits | 13 | $13.7M |
All 13F filers, Q3 2024 → Q4 2024: 2,387,024 shares bought and 1,860,985 shares sold, net +526,039 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 101 holders
| Ra Capital Management, L.P. | 0.69% | No change | 2,538,925 | $51.5M |
| Avoro Capital Advisors LLC | 0.64% | No change | 2,222,222 | $45.1M |
| BlackRock, Inc. | 0.00% | Add +2.9% | 1,803,900 | $36.6M |
| TCG Crossover Management, LLC | 2.93% | No change | 1,477,593 | $30.0M |
| Pfizer Inc | 1.00% | — | 1,272,214 | $25.8M |
| Vanguard Group Inc. | 0.00% | Add +4.1% | 1,106,125 | $22.4M |
| Blue Owl Capital Holdings LP | 5.06% | Reduce -29.5% | 1,079,321 | $21.9M |
| Jennison Associates LLC | 0.01% | Reduce -26.6% | 845,800 | $17.2M |
| State Street Corp. | 0.00% | Add +94.2% | 800,193 | $16.2M |
| Qiming U.S. Ventures Management, LLC | 29.41% | No change | 741,691 | $15.0M |
| RTW Investments, LP | 0.23% | Reduce -0.7% | 736,681 | $14.9M |
| QVT Financial LP | 1.35% | No change | 711,275 | $14.4M |
| Citadel Advisors | 0.01% | Add +47.6% | 648,118 | $13.1M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | New | 600,000 | $12.2M |
| Vivo Capital, LLC | 1.34% | No change | 591,882 | $12.0M |
| Nantahala Capital Management, LLC | 0.76% | Reduce -23.4% | 536,944 | $10.9M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.1% | 481,609 | $9.8M |
| Velan Capital Investment Management LP | 7.42% | Add +28.0% | 423,795 | $8.6M |
| Pictet Asset Management Holding SA | 0.01% | Add +69.9% | 419,883 | $8.5M |
| Millennium Management | 0.01% | Reduce -28.4% | 364,658 | $7.4M |
| Acuta Capital Partners, LLC | 7.18% | Add +6.0% | 351,842 | $7.1M |
| Schonfeld Strategic Advisors LLC | 0.04% | Add +50.5% | 298,239 | $6.0M |
| Northern Trust Corp. | 0.00% | Add +7.1% | 204,786 | $4.2M |
| Morgan Stanley | 0.00% | Reduce -14.1% | 204,282 | $4.1M |
| UBS Group AG | 0.00% | Add +1497.4% | 189,231 | $3.8M |
| Nan Fung Group Holdings Ltd | 3.25% | Add +27.4% | 187,090 | $3.8M |
| Woodline Partners LP | 0.02% | Add +1.6% | 161,721 | $3.3M |
| Stempoint Capital LP | 0.64% | Add +127.7% | 126,400 | $2.6M |
| Marshall Wace, LLP | 0.00% | Reduce -16.0% | 116,091 | $2.4M |
| Alyeska Investment Group, L.P. | 0.01% | Reduce -39.5% | 115,053 | $2.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +46.0% | 105,129 | $2.1M |
| Siren, L.L.C. | 0.08% | No change | 91,426 | $1.9M |
| Polymer Capital Management (HK) LTD | 0.28% | New | 79,400 | $1.6M |
| Nuveen Asset Management, LLC | 0.00% | Add +21.5% | 76,245 | $1.5M |
| Prudential Financial Inc. | 0.00% | Reduce -7.4% | 72,335 | $1.5M |
| Bank of America Corp. | 0.00% | Add +87.6% | 70,737 | $1.4M |
| Wellington Management Group LLP | 0.00% | Add +4.3% | 68,599 | $1.4M |
| Ikarian Capital, LLC | 0.39% | Reduce -37.4% | 67,927 | $1.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.8% | 64,059 | $1.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.3% | 61,259 | $1.2M |
| Barclays PLC | 0.00% | Add +84.0% | 58,566 | $1.2M |
| HighTower Advisors, LLC | 0.00% | No change | 53,418 | $1.1M |
| Brown Advisory Inc. | 0.00% | No change | 39,719 | $806K |
| Rhumbline Advisers | 0.00% | Add +2.1% | 35,591 | $722K |
| FMR LLC | 0.00% | Add +135.6% | 35,487 | $720K |
| SG Americas Securities, LLC | 0.00% | Add +3.4% | 34,812 | $706K |
| Citigroup Inc. | 0.00% | Add +79.6% | 31,013 | $629K |
| Rafferty Asset Management, LLC | 0.00% | New | 29,844 | $605K |
| American Century Companies Inc. | 0.00% | New | 23,357 | $474K |
| Susquehanna Fundamental Investments, LLC | 0.01% | — | 23,044 | $467K |
| Two Sigma Investments, LP | 0.00% | Reduce -50.5% | 21,441 | $435K |
| Alps Advisors Inc. | 0.00% | Add +4.9% | 20,735 | $421K |
| Wexford Capital LP | 0.11% | New | 20,610 | $418K |
| Swiss National Bank | 0.00% | New | 20,100 | $408K |
| Deutsche Bank AG | 0.00% | Add +54.1% | 20,008 | $406K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -38.2% | 19,559 | $397K |
| Jane Street Group, LLC | 0.00% | Reduce -17.6% | 17,887 | $363K |
| State of Wisconsin Investment Board | 0.00% | New | 17,793 | $361K |
| Legal & General Group Plc | 0.00% | Add +197.4% | 15,443 | $313K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -11.6% | 15,267 | $310K |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.7% | 14,705 | $298K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +12.5% | 14,378 | $291K |
| MetLife Investment Management, LLC | 0.00% | No change | 13,886 | $282K |
| Wells Fargo & Company | 0.00% | Add +27.8% | 13,549 | $275K |
| Susquehanna International Group, LLP | 0.00% | Add +23.2% | 13,507 | $274K |
| Alliancebernstein L.P. | 0.00% | Add +39.7% | 12,950 | $263K |
| Invesco Ltd. | 0.00% | Add +10.8% | 12,155 | $247K |
| Corebridge Financial, Inc. | 0.00% | Reduce -7.0% | 11,477 | $233K |
| California State Teachers Retirement System | 0.00% | Add +527.9% | 10,505 | $213K |
| Intech Investment Management LLC | 0.00% | New | 10,214 | $207K |
| Gsa Capital Partners LLP | 0.02% | New | 10,198 | $207K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -68.1% | 9,903 | $201K |
| New York State Common Retirement Fund | 0.00% | No change | 9,300 | $189K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | — | 5,564 | $113K |
| China Universal Asset Management Co., Ltd. | 0.01% | Add +10.2% | 5,437 | $110K |
| AlphaQuest LLC | 0.01% | Reduce -61.4% | 3,618 | $73K |
| BNP Paribas Financial Markets | 0.00% | Reduce -74.8% | 3,371 | $68K |
| Royal Bank of Canada | 0.00% | Add +32.3% | 3,234 | $66K |
| Virtus Advisers, LLC | 0.03% | New | 3,157 | $64K |
| KLP Kapitalforvaltning As | 0.00% | — | 2,300 | $47K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,262 | $46K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +297.6% | 1,646 | $33K |
| Brooklyn Investment Group | 0.01% | New | 1,576 | $32K |
| Federated Hermes, Inc. | 0.00% | New | 923 | $19K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -7.9% | 854 | $18K |
| Amalgamated Bank | 0.00% | No change | 799 | $16K |
| Sterling Capital Management LLC | 0.00% | Add +770.6% | 740 | $15K |
| GF Fund Management Co. LTD. | 0.00% | — | 538 | $11K |
| Osaic Holdings, Inc. | 0.00% | No change | 250 | $5K |
| GAMMA Investing LLC | 0.00% | Add +11.6% | 164 | $3K |
| Creative Planning | 0.00% | New | 109 | $2K |
| US Bancorp \de | 0.00% | Add +395.0% | 99 | $2K |
| Daiwa Securities Group Inc. | 0.00% | No change | 95 | $2K |
| Nisa Investment Advisors, LLC | 0.00% | Add +26.9% | 85 | $2K |
| Lindbrook Capital, LLC | 0.00% | New | 56 | $1K |
| Signaturefd, LLC | 0.00% | No change | 54 | $1K |
| Amundi | 0.00% | New | 38 | $760 |
| Arax Advisory Partners | 0.00% | New | 30 | $609 |
| Rothschild Investment LLC | 0.00% | New | 25 | $507 |
| SBI Securities Co., Ltd. | 0.00% | — | 3 | $61 |
| Cwm, LLC | 0.00% | Add +36.4% | 15 | $0 |
"% of holder's portfolio" is TRML's weight in each manager's 13F, not the share of Tourmaline Bio Inc. the manager owns.