HolderBook

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

FilerValueShares Their book Held Change
Avoro Capital Advisors LLC$122.2M2,555,5551.58%8qHELD
QVT Financial LP$103.1M2,154,6537.27%8qHELD
BlackRock, Inc.$72.6M1,517,7770.00%5q-7.1%-$5.6M
TCG Crossover Management, LLC$62.7M1,311,7833.09%8q-11.2%-$7.9M
Pfizer Inc$60.8M1,272,21413.91%4qHELD
VANGUARD GROUP INC$55.8M1,165,6070.00%8q-3.4%-$2.0M
FIL Ltd$49.2M1,027,6900.04%newNEW
Magnetar Financial LLC$46.2M966,1290.28%newNEW
QIMING U.S. VENTURES MANAGEMENT, LLC$35.5M741,69163.76%8qHELD
First Trust Capital Management L.P.$33.3M695,7572.15%newNEW
TIG Advisors, LLC$29.6M619,7631.76%newNEW
Vivo Capital, LLC$28.3M591,8822.28%8qHELD
ALLIANCEBERNSTEIN L.P.$25.8M539,9610.01%5q+1985.6%+$24.6M
NEXPOINT ASSET MANAGEMENT, L.P.$21.8M455,3601.89%newNEW
GEODE CAPITAL MANAGEMENT, LLC$21.7M453,9520.00%8q-2.8%-$628.4K
STATE STREET CORP$19.9M415,9700.00%7q-9.5%-$2.1M
GOLDMAN SACHS GROUP INC$18.0M376,7380.00%8q+109.6%+$9.4M
AQR Arbitrage LLC$17.9M374,7850.46%newNEW
ACUTA CAPITAL PARTNERS, LLC$12.8M268,45113.27%8q-5.4%-$728.5K
MORGAN STANLEY$12.1M252,0930.00%8q-30.5%-$5.3M
NAN FUNG TRINITY (HK) LTD$10.9M227,0901.08%2qHELD
Versor Investments LP$10.4M217,2211.91%newNEW
ALPINE ASSOCIATES MANAGEMENT INC.$9.4M196,1770.57%newNEW
MILLENNIUM MANAGEMENT LLC$9.1M190,6250.00%5q-21.8%-$2.5M
UBS Group AG$8.5M178,3710.00%7q-22.2%-$2.4M
NORTHERN TRUST CORP$7.8M162,5400.00%8q-6.2%-$513.5K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$7.1M148,7060.00%6q+162.3%+$4.4M
MARSHALL WACE, LLP$6.9M143,7310.01%newNEW
ABC ARBITRAGE SA$6.7M139,8000.66%newNEW
GABELLI FUNDS LLC$5.7M119,8500.04%newNEW
Chicago Capital Management, LLC$5.4M112,4064.81%newNEW
SUSQUEHANNA INTERNATIONAL GROUP, LLP$4.9M60,6490.00%8q+89.1%+$2.3M
CITADEL ADVISORS LLC$4.8M95,6210.00%newNEW
HARVEST MANAGEMENT LLC$4.8M100,0002.07%newNEW
Centiva Capital, LP$4.8M50,0000.05%newNEW
RENAISSANCE TECHNOLOGIES LLC$4.4M91,8500.01%newNEW
TORONTO DOMINION BANK$4.3M89,2000.01%newNEW
BANK OF AMERICA CORP /DE/$4.0M84,1400.00%8q-33.9%-$2.1M
DIMENSIONAL FUND ADVISORS LP$3.3M69,0850.00%2q-39.3%-$2.1M
WELLINGTON MANAGEMENT GROUP LLP$3.0M63,5740.00%7q-21.6%-$837.1K
Carmignac Gestion$2.7M55,4120.04%newNEW
HighTower Advisors, LLC$2.6M53,4180.00%8q+26.1%+$529.6K
WATER ISLAND CAPITAL LLC$2.4M50,9680.31%newNEW
Bank of New York Mellon Corp$2.4M49,9640.00%6q-11.8%-$320.8K
AMERICAN CENTURY COMPANIES INC$2.3M47,7880.00%4q+17.8%+$345.5K
Nuveen, LLC$2.3M47,5530.00%3q-33.6%-$1.2M
Susquehanna Portfolio Strategies, LLC$2.1M43,1890.03%2q-15.5%-$379.3K
Twin Securities, Inc.$1.6M33,3010.79%newNEW
Balyasny Asset Management L.P.$1.6M32,5670.00%3q-94.6%-$27.4M
GABELLI & Co INVESTMENT ADVISERS, INC.$1.5M31,0500.24%newNEW
Invesco Ltd.$1.5M30,5580.00%7q+19.2%+$235.9K
CREDIT INDUSTRIEL ET COMMERCIAL$1.4M29,6610.12%newNEW
JPMORGAN CHASE & CO$1.4M28,5820.00%8q+83.2%+$621.0K
BARCLAYS PLC$1.3M27,8010.00%8q-37.3%-$791.1K
PRELUDE CAPITAL MANAGEMENT, LLC$1.3M27,2820.10%newNEW
JANE STREET GROUP, LLC$1.3M16,4770.00%newNEW
RHUMBLINE ADVISERS$1.3M27,0570.00%8q-9.9%-$141.5K
Swiss National Bank$1.1M22,4000.00%4qHELD
ODDO BHF ASSET MANAGEMENT SAS$995.3K20,8100.04%newNEW
BCK Capital Management LP$931.3K19,4710.99%newNEW
OXFORD ASSET MANAGEMENT LLP$897.1K18,7560.29%newNEW
NATIXIS$894.4K18,7000.00%newNEW
FORA Capital, LLC$865.1K18,0870.15%newNEW
Groupe la Francaise$860.8K17,9980.01%newNEW
Jefferies Financial Group Inc.$830.5K17,3630.00%newNEW
Weiss Asset Management LP$783.8K16,3870.01%newNEW
BBR PARTNERS, LLC$717.5K15,0000.04%3qHELD
WELLS FARGO & COMPANY/MN$643.9K13,4620.00%8q+10.2%+$59.7K
Creative Planning$635.5K13,2870.00%2q+5.5%+$33.2K
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC$621.2K12,9870.00%2q-23.2%-$187.3K
FRANKLIN RESOURCES INC$621.0K12,9840.00%3q-6.6%-$44.1K
DEUTSCHE BANK AG\$608.9K12,7300.00%6q-13.3%-$93.2K
ALPS ADVISORS INC$596.2K12,4650.00%6q-10.0%-$66.1K
WOLVERINE ASSET MANAGEMENT LLC$579.7K12,1200.00%newNEW
Legal & General Group Plc$563.6K11,7840.00%7q+47.0%+$180.2K
Jain Global LLC$530.6K11,0930.00%newNEW
MetLife Investment Management, LLC$497.1K10,3940.00%5q-23.3%-$151.1K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$479.3K10,0210.00%7qHELD
GAMCO INVESTORS, INC. ET AL$478.3K10,0000.00%newNEW
Skandinaviska Enskilda Banken AB (publ)$474.5K9,9210.00%newNEW
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$385.7K8,0630.00%5q-22.6%-$112.8K
Sanctuary Advisors, LLC$365.1K7,6330.00%newNEW
AlphaQuest LLC$350.3K7,3230.02%7q+215.4%+$239.2K
Greenland Capital Management LP$336.3K7,0320.03%newNEW
Verition Fund Management LLC$334.1K6,9850.00%2q-82.6%-$1.6M
NEW YORK STATE COMMON RETIREMENT FUND$291.8K6,1000.00%6qHELD
JANUS HENDERSON GROUP PLC$283.4K5,9260.00%newNEW
MANUFACTURERS LIFE INSURANCE COMPANY, THE$279.7K5,8480.00%newNEW
Velan Capital Investment Management LP$277.4K5,8000.26%8q-98.5%-$18.6M
Virtus Investment Advisers, LLC$273.5K5,7180.08%3q+21.0%+$47.5K
Mariner, LLC$266.8K5,5790.00%newNEW
GUGGENHEIM CAPITAL LLC$260.1K5,4370.00%newNEW
Police & Firemen's Retirement System of New Jersey$236.2K4,9390.00%4q-11.2%-$29.9K
BNP PARIBAS FINANCIAL MARKETS$231.5K4,8410.00%7q+130.2%+$131.0K
Point72 Asia (Singapore) Pte. Ltd.$221.8K4,6370.03%newNEW
China Universal Asset Management Co., Ltd.$215.4K4,5030.02%8q-12.7%-$31.4K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM$210.5K4,4000.00%newNEW
GROUP ONE TRADING LLC$196.1Koptions only0.00%2qOPTIONS
PenderFund Capital Management Ltd.$143.5K3,0000.02%newNEW
Zurcher Kantonalbank (Zurich Cantonalbank)$120.3K2,5150.00%newNEW

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.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q3 2025128$1.0B21,396,6135120390.5%
Q2 2025103$385.1M24,083,7941828310.0%
Q1 2025105$367.0M23,923,2041832320.9%
Q4 202497$463.0M22,816,2241738200.1%
Q3 202487$540.5M21,017,0271822280.1%
Q2 202481$282.0M21,872,9521636130.4%
Q1 202495$482.9M20,516,1355225113.0%
Q4 202351$345.7M13,298,06651000.0%