TOURMALINE BIO INC (TRML)
Institutional ownership reported to the SEC as of Q3 2025, across 8 quarters.
128
Reporting holders
$1.0B
Reported value
0.5%
Held as options
+25
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Avoro Capital Advisors LLC | $122.2M | 2,555,555 | 1.58% | 8q | HELD |
| QVT Financial LP | $103.1M | 2,154,653 | 7.27% | 8q | HELD |
| BlackRock, Inc. | $72.6M | 1,517,777 | 0.00% | 5q | -7.1%-$5.6M |
| TCG Crossover Management, LLC | $62.7M | 1,311,783 | 3.09% | 8q | -11.2%-$7.9M |
| Pfizer Inc | $60.8M | 1,272,214 | 13.91% | 4q | HELD |
| VANGUARD GROUP INC | $55.8M | 1,165,607 | 0.00% | 8q | -3.4%-$2.0M |
| FIL Ltd | $49.2M | 1,027,690 | 0.04% | new | NEW |
| Magnetar Financial LLC | $46.2M | 966,129 | 0.28% | new | NEW |
| QIMING U.S. VENTURES MANAGEMENT, LLC | $35.5M | 741,691 | 63.76% | 8q | HELD |
| First Trust Capital Management L.P. | $33.3M | 695,757 | 2.15% | new | NEW |
| TIG Advisors, LLC | $29.6M | 619,763 | 1.76% | new | NEW |
| Vivo Capital, LLC | $28.3M | 591,882 | 2.28% | 8q | HELD |
| ALLIANCEBERNSTEIN L.P. | $25.8M | 539,961 | 0.01% | 5q | +1985.6%+$24.6M |
| NEXPOINT ASSET MANAGEMENT, L.P. | $21.8M | 455,360 | 1.89% | new | NEW |
| GEODE CAPITAL MANAGEMENT, LLC | $21.7M | 453,952 | 0.00% | 8q | -2.8%-$628.4K |
| STATE STREET CORP | $19.9M | 415,970 | 0.00% | 7q | -9.5%-$2.1M |
| GOLDMAN SACHS GROUP INC | $18.0M | 376,738 | 0.00% | 8q | +109.6%+$9.4M |
| AQR Arbitrage LLC | $17.9M | 374,785 | 0.46% | new | NEW |
| ACUTA CAPITAL PARTNERS, LLC | $12.8M | 268,451 | 13.27% | 8q | -5.4%-$728.5K |
| MORGAN STANLEY | $12.1M | 252,093 | 0.00% | 8q | -30.5%-$5.3M |
| NAN FUNG TRINITY (HK) LTD | $10.9M | 227,090 | 1.08% | 2q | HELD |
| Versor Investments LP | $10.4M | 217,221 | 1.91% | new | NEW |
| ALPINE ASSOCIATES MANAGEMENT INC. | $9.4M | 196,177 | 0.57% | new | NEW |
| MILLENNIUM MANAGEMENT LLC | $9.1M | 190,625 | 0.00% | 5q | -21.8%-$2.5M |
| UBS Group AG | $8.5M | 178,371 | 0.00% | 7q | -22.2%-$2.4M |
| NORTHERN TRUST CORP | $7.8M | 162,540 | 0.00% | 8q | -6.2%-$513.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $7.1M | 148,706 | 0.00% | 6q | +162.3%+$4.4M |
| MARSHALL WACE, LLP | $6.9M | 143,731 | 0.01% | new | NEW |
| ABC ARBITRAGE SA | $6.7M | 139,800 | 0.66% | new | NEW |
| GABELLI FUNDS LLC | $5.7M | 119,850 | 0.04% | new | NEW |
| Chicago Capital Management, LLC | $5.4M | 112,406 | 4.81% | new | NEW |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4.9M | 60,649 | 0.00% | 8q | +89.1%+$2.3M |
| CITADEL ADVISORS LLC | $4.8M | 95,621 | 0.00% | new | NEW |
| HARVEST MANAGEMENT LLC | $4.8M | 100,000 | 2.07% | new | NEW |
| Centiva Capital, LP | $4.8M | 50,000 | 0.05% | new | NEW |
| RENAISSANCE TECHNOLOGIES LLC | $4.4M | 91,850 | 0.01% | new | NEW |
| TORONTO DOMINION BANK | $4.3M | 89,200 | 0.01% | new | NEW |
| BANK OF AMERICA CORP /DE/ | $4.0M | 84,140 | 0.00% | 8q | -33.9%-$2.1M |
| DIMENSIONAL FUND ADVISORS LP | $3.3M | 69,085 | 0.00% | 2q | -39.3%-$2.1M |
| WELLINGTON MANAGEMENT GROUP LLP | $3.0M | 63,574 | 0.00% | 7q | -21.6%-$837.1K |
| Carmignac Gestion | $2.7M | 55,412 | 0.04% | new | NEW |
| HighTower Advisors, LLC | $2.6M | 53,418 | 0.00% | 8q | +26.1%+$529.6K |
| WATER ISLAND CAPITAL LLC | $2.4M | 50,968 | 0.31% | new | NEW |
| Bank of New York Mellon Corp | $2.4M | 49,964 | 0.00% | 6q | -11.8%-$320.8K |
| AMERICAN CENTURY COMPANIES INC | $2.3M | 47,788 | 0.00% | 4q | +17.8%+$345.5K |
| Nuveen, LLC | $2.3M | 47,553 | 0.00% | 3q | -33.6%-$1.2M |
| Susquehanna Portfolio Strategies, LLC | $2.1M | 43,189 | 0.03% | 2q | -15.5%-$379.3K |
| Twin Securities, Inc. | $1.6M | 33,301 | 0.79% | new | NEW |
| Balyasny Asset Management L.P. | $1.6M | 32,567 | 0.00% | 3q | -94.6%-$27.4M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | $1.5M | 31,050 | 0.24% | new | NEW |
| Invesco Ltd. | $1.5M | 30,558 | 0.00% | 7q | +19.2%+$235.9K |
| CREDIT INDUSTRIEL ET COMMERCIAL | $1.4M | 29,661 | 0.12% | new | NEW |
| JPMORGAN CHASE & CO | $1.4M | 28,582 | 0.00% | 8q | +83.2%+$621.0K |
| BARCLAYS PLC | $1.3M | 27,801 | 0.00% | 8q | -37.3%-$791.1K |
| PRELUDE CAPITAL MANAGEMENT, LLC | $1.3M | 27,282 | 0.10% | new | NEW |
| JANE STREET GROUP, LLC | $1.3M | 16,477 | 0.00% | new | NEW |
| RHUMBLINE ADVISERS | $1.3M | 27,057 | 0.00% | 8q | -9.9%-$141.5K |
| Swiss National Bank | $1.1M | 22,400 | 0.00% | 4q | HELD |
| ODDO BHF ASSET MANAGEMENT SAS | $995.3K | 20,810 | 0.04% | new | NEW |
| BCK Capital Management LP | $931.3K | 19,471 | 0.99% | new | NEW |
| OXFORD ASSET MANAGEMENT LLP | $897.1K | 18,756 | 0.29% | new | NEW |
| NATIXIS | $894.4K | 18,700 | 0.00% | new | NEW |
| FORA Capital, LLC | $865.1K | 18,087 | 0.15% | new | NEW |
| Groupe la Francaise | $860.8K | 17,998 | 0.01% | new | NEW |
| Jefferies Financial Group Inc. | $830.5K | 17,363 | 0.00% | new | NEW |
| Weiss Asset Management LP | $783.8K | 16,387 | 0.01% | new | NEW |
| BBR PARTNERS, LLC | $717.5K | 15,000 | 0.04% | 3q | HELD |
| WELLS FARGO & COMPANY/MN | $643.9K | 13,462 | 0.00% | 8q | +10.2%+$59.7K |
| Creative Planning | $635.5K | 13,287 | 0.00% | 2q | +5.5%+$33.2K |
| UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | $621.2K | 12,987 | 0.00% | 2q | -23.2%-$187.3K |
| FRANKLIN RESOURCES INC | $621.0K | 12,984 | 0.00% | 3q | -6.6%-$44.1K |
| DEUTSCHE BANK AG\ | $608.9K | 12,730 | 0.00% | 6q | -13.3%-$93.2K |
| ALPS ADVISORS INC | $596.2K | 12,465 | 0.00% | 6q | -10.0%-$66.1K |
| WOLVERINE ASSET MANAGEMENT LLC | $579.7K | 12,120 | 0.00% | new | NEW |
| Legal & General Group Plc | $563.6K | 11,784 | 0.00% | 7q | +47.0%+$180.2K |
| Jain Global LLC | $530.6K | 11,093 | 0.00% | new | NEW |
| MetLife Investment Management, LLC | $497.1K | 10,394 | 0.00% | 5q | -23.3%-$151.1K |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $479.3K | 10,021 | 0.00% | 7q | HELD |
| GAMCO INVESTORS, INC. ET AL | $478.3K | 10,000 | 0.00% | new | NEW |
| Skandinaviska Enskilda Banken AB (publ) | $474.5K | 9,921 | 0.00% | new | NEW |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $385.7K | 8,063 | 0.00% | 5q | -22.6%-$112.8K |
| Sanctuary Advisors, LLC | $365.1K | 7,633 | 0.00% | new | NEW |
| AlphaQuest LLC | $350.3K | 7,323 | 0.02% | 7q | +215.4%+$239.2K |
| Greenland Capital Management LP | $336.3K | 7,032 | 0.03% | new | NEW |
| Verition Fund Management LLC | $334.1K | 6,985 | 0.00% | 2q | -82.6%-$1.6M |
| NEW YORK STATE COMMON RETIREMENT FUND | $291.8K | 6,100 | 0.00% | 6q | HELD |
| JANUS HENDERSON GROUP PLC | $283.4K | 5,926 | 0.00% | new | NEW |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $279.7K | 5,848 | 0.00% | new | NEW |
| Velan Capital Investment Management LP | $277.4K | 5,800 | 0.26% | 8q | -98.5%-$18.6M |
| Virtus Investment Advisers, LLC | $273.5K | 5,718 | 0.08% | 3q | +21.0%+$47.5K |
| Mariner, LLC | $266.8K | 5,579 | 0.00% | new | NEW |
| GUGGENHEIM CAPITAL LLC | $260.1K | 5,437 | 0.00% | new | NEW |
| Police & Firemen's Retirement System of New Jersey | $236.2K | 4,939 | 0.00% | 4q | -11.2%-$29.9K |
| BNP PARIBAS FINANCIAL MARKETS | $231.5K | 4,841 | 0.00% | 7q | +130.2%+$131.0K |
| Point72 Asia (Singapore) Pte. Ltd. | $221.8K | 4,637 | 0.03% | new | NEW |
| China Universal Asset Management Co., Ltd. | $215.4K | 4,503 | 0.02% | 8q | -12.7%-$31.4K |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $210.5K | 4,400 | 0.00% | new | NEW |
| GROUP ONE TRADING LLC | $196.1K | options only | 0.00% | 2q | OPTIONS |
| PenderFund Capital Management Ltd. | $143.5K | 3,000 | 0.02% | new | NEW |
| Zurcher Kantonalbank (Zurich Cantonalbank) | $120.3K | 2,515 | 0.00% | new | NEW |
Showing the largest 100 of 136 reported holders.
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2025 | 128 | $1.0B | 21,396,613 | 51 | 20 | 39 | 0.5% |
| Q2 2025 | 103 | $385.1M | 24,083,794 | 18 | 28 | 31 | 0.0% |
| Q1 2025 | 105 | $367.0M | 23,923,204 | 18 | 32 | 32 | 0.9% |
| Q4 2024 | 97 | $463.0M | 22,816,224 | 17 | 38 | 20 | 0.1% |
| Q3 2024 | 87 | $540.5M | 21,017,027 | 18 | 22 | 28 | 0.1% |
| Q2 2024 | 81 | $282.0M | 21,872,952 | 16 | 36 | 13 | 0.4% |
| Q1 2024 | 95 | $482.9M | 20,516,135 | 52 | 25 | 11 | 3.0% |
| Q4 2023 | 51 | $345.7M | 13,298,066 | 51 | 0 | 0 | 0.0% |