Tourmaline Bio, Inc. - TRML

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2025 · Compare: Q2 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Avoro Capital Advisors LLC History No change 2,555,555 122,232 1.58% 0.72% 1 0 0.0% Q3 2025 Nov 14, 2025
QVT Financial LP History No change 2,154,653 103,057 7.27% 3.07% 2 0 0.0% Q3 2025 Nov 14, 2025
BlackRock, Inc. History Reduced 1,517,777 72,595 0.0% 0.0% 3 -116,165 -7.11% Q3 2025 Nov 12, 2025
TCG Crossover Management, LLC History Reduced 1,311,783 62,742 3.09% 2.7% 4 -165,810 -11.22% Q3 2025 Nov 17, 2025
PFIZER INC History No change 1,272,214 60,849 13.91% 3.53% 5 0 0.0% Q3 2025 Nov 13, 2025
VANGUARD GROUP INC History Reduced 1,165,607 55,750 0.0% 0.0% 6 -41,428 -3.43% Q3 2025 Nov 07, 2025
FIL Ltd History New 1,027,690 49,154 0.04% 7 +1,027,690 New Q3 2025 Nov 13, 2025
Magnetar Financial LLC History New 966,129 46,209 0.28% 8 +966,129 New Q3 2025 Nov 13, 2025
First Trust Capital Management L.P. History New 695,757 33,278 2.15% 9 +695,757 New Q3 2025 Nov 17, 2025
TIG Advisors, LLC History New 619,763 29,643 1.76% 10 +619,763 New Q3 2025 Nov 14, 2025
Vivo Capital, LLC History No change 591,882 28,309 2.28% 0.97% 11 0 0.0% Q3 2025 Nov 14, 2025
ALLIANCEBERNSTEIN L.P. History Added to 539,961 25,826 0.01% 0.0% 12 +514,071 1985.6% Q3 2025 Nov 14, 2025
NEXPOINT ASSET MANAGEMENT, L.P. History New 455,360 21,779 1.89% 13 +455,360 New Q3 2025 Nov 14, 2025
GEODE CAPITAL MANAGEMENT, LLC History Reduced 453,952 21,716 0.0% 0.0% 14 -13,135 -2.81% Q3 2025 Nov 12, 2025
STATE STREET CORP History Reduced 415,970 19,895 0.0% 0.0% 15 -43,641 -9.5% Q3 2025 Nov 14, 2025
GOLDMAN SACHS GROUP INC History Added to 376,738 18,019 0.0% 0.0% 16 +197,017 109.62% Q3 2025 Nov 14, 2025
AQR Arbitrage LLC History New 374,785 17,925 0.46% 17 +374,785 New Q3 2025 Nov 14, 2025
ACUTA CAPITAL PARTNERS, LLC History Reduced 268,451 12,840 13.27% 6.33% 18 -15,231 -5.37% Q3 2025 Nov 14, 2025
MORGAN STANLEY History Reduced 252,093 12,057 0.0% 0.0% 19 -110,643 -30.5% Q3 2025 Nov 14, 2025
NAN FUNG TRINITY (HK) Ltd History No change 227,090 10,861 1.08% 0.43% 20 0 0.0% Q3 2025 Nov 04, 2025
Versor Investments LP History New 217,221 10,389 1.91% 21 +217,221 New Q3 2025 Nov 06, 2025
ALPINE ASSOCIATES MANAGEMENT INC. History New 196,177 9,383 0.57% 22 +196,177 New Q3 2025 Nov 06, 2025
MILLENNIUM MANAGEMENT LLC History Reduced 190,625 9,117 0.0% 0.0% 23 -53,251 -21.84% Q3 2025 Nov 14, 2025
GLAZER CAPITAL, LLC History New 180,155 8,617 0.29% 24 +180,155 New Q3 2025 Nov 13, 2025
UBS Group AG History Reduced 178,371 8,531 0.0% 0.0% 25 -51,029 -22.24% Q3 2025 Nov 13, 2025
NORTHERN TRUST CORP History Reduced 162,540 7,774 0.0% 0.0% 26 -10,736 -6.2% Q3 2025 Nov 14, 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 148,706 7,112 0.0% 0.0% 27 +92,004 162.26% Q3 2025 Nov 10, 2025
MARSHALL WACE, LLP History New 143,731 6,874 0.01% 28 +143,731 New Q3 2025 Nov 13, 2025
ABC ARBITRAGE SA History New 139,800 6,686 0.66% 29 +139,800 New Q3 2025 Nov 06, 2025
Chicago Capital Management, LLC History New 112,406 5,376 4.81% 30 +112,406 New Q3 2025 Nov 07, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 101,549 4,857 0.0% 0.0% 31 +69,476 216.62% Q3 2025 Nov 14, 2025
CITADEL ADVISORS LLC History New 101,021 4,831 0.0% 32 +101,021 New Q3 2025 Nov 14, 2025
HARVEST MANAGEMENT LLC History New 100,000 4,783 2.07% 33 +100,000 New Q3 2025 Nov 14, 2025
Centiva Capital, LP History New 100,000 4,783 0.05% 34 +100,000 New Q3 2025 Nov 14, 2025
RENAISSANCE TECHNOLOGIES LLC History New 91,850 4,393 0.01% 35 +91,850 New Q3 2025 Nov 13, 2025
TORONTO DOMINION BANK History New 89,200 4,266 0.01% 36 +89,200 New Q3 2025 Nov 14, 2025
BANK OF AMERICA CORP /DE/ History Reduced 84,140 4,024 0.0% 0.0% 37 -43,231 -33.94% Q3 2025 Feb 03, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 69,085 3,304 0.0% 0.0% 38 -44,806 -39.34% Q3 2025 Nov 12, 2025
WELLINGTON MANAGEMENT GROUP LLP History Reduced 63,574 3,040 0.0% 0.0% 39 -17,502 -21.59% Q3 2025 Nov 14, 2025
Carmignac Gestion History New 55,412 2,650 0.04% 40 +55,412 New Q3 2025 Nov 13, 2025
HighTower Advisors, LLC History Added to 53,418 2,554 0.0% 0.0% 41 +11,073 26.15% Q3 2025 Nov 07, 2025
WATER ISLAND CAPITAL LLC History New 50,968 2,437 0.31% 42 +50,968 New Q3 2025 Nov 14, 2025
Bank of New York Mellon Corp History Reduced 49,964 2,389 0.0% 0.0% 43 -6,707 -11.83% Q3 2025 Nov 03, 2025
AMERICAN CENTURY COMPANIES INC History Added to 47,788 2,285 0.0% 0.0% 44 +7,224 17.81% Q3 2025 Nov 12, 2025
Nuveen, LLC History Reduced 47,553 2,274 0.0% 0.0% 45 -24,103 -33.64% Q3 2025 Nov 12, 2025
Susquehanna Portfolio Strategies, LLC History Reduced 43,189 2,065 0.03% 0.02% 46 -7,930 -15.51% Q3 2025 Nov 14, 2025
Twin Securities, Inc. History New 33,301 1,592 0.79% 47 +33,301 New Q3 2025 Nov 14, 2025
BALYASNY ASSET MANAGEMENT L.P. History Reduced 32,567 1,557 0.0% 0.01% 48 -571,994 -94.61% Q3 2025 Nov 14, 2025
GABELLI & Co INVESTMENT ADVISERS, INC. History New 31,050 1,485 0.24% 49 +31,050 New Q3 2025 Nov 12, 2025
Invesco Ltd. History Added to 30,558 1,461 0.0% 0.0% 50 +4,932 19.25% Q3 2025 Nov 13, 2025
CREDIT INDUSTRIEL ET COMMERCIAL History New 29,661 1,418 0.12% 51 +29,661 New Q3 2025 Nov 07, 2025
BARCLAYS PLC History Reduced 27,801 1,329 0.0% 0.0% 52 -16,540 -37.3% Q3 2025 Mar 31, 2026
PRELUDE CAPITAL MANAGEMENT, LLC History New 27,282 1,304 0.1% 53 +27,282 New Q3 2025 Nov 14, 2025
JANE STREET GROUP, LLC History New 27,277 1,304 0.0% 54 +27,277 New Q3 2025 Nov 14, 2025
RHUMBLINE ADVISERS History Reduced 27,057 1,294 0.0% 0.0% 55 -2,959 -9.86% Q3 2025 Nov 06, 2025
Virtu Financial LLC History New 26,273 1,257 0.07% 56 +26,273 New Q3 2025 Nov 14, 2025
Swiss National Bank History No change 22,400 1,071 0.0% 0.0% 57 0 0.0% Q3 2025 Nov 13, 2025
ODDO BHF ASSET MANAGEMENT SAS History New 20,810 995 0.04% 58 +20,810 New Q3 2025 Nov 14, 2025
SG Americas Securities, LLC History Reduced 20,182 965 0.0% 0.0% 59 -44,974 -69.03% Q3 2025 Oct 23, 2025
BCK CAPITAL MANAGEMENT LP History New 19,471 931 0.99% 60 +19,471 New Q3 2025 Nov 10, 2025
OXFORD ASSET MANAGEMENT LLP History New 18,756 897 4.3% 61 +18,756 New Q3 2025 Feb 17, 2026
NATIXIS History New 18,700 894 0.0% 62 +18,700 New Q3 2025 Nov 14, 2025
FORA Capital, LLC History New 18,087 865 0.15% 63 +18,087 New Q3 2025 Nov 13, 2025
Groupe la Francaise History New 17,998 860 0.01% 64 +17,998 New Q3 2025 Nov 13, 2025
Jefferies Financial Group Inc. History New 17,363 830 0.0% 65 +17,363 New Q3 2025 Nov 13, 2025
Weiss Asset Management LP History New 16,387 783 0.27% 66 +16,387 New Q3 2025 Feb 17, 2026
BBR PARTNERS, LLC History No change 15,000 717 0.04% 0.01% 67 0 0.0% Q3 2025 Nov 07, 2025
JPMORGAN CHASE & CO History Reduced 14,291 683 0.0% 0.0% 68 -1,308 -8.39% Q3 2025 Nov 26, 2025
WELLS FARGO & COMPANY/MN History Added to 13,462 643 0.0% 0.0% 69 +1,248 10.22% Q3 2025 Nov 13, 2025
Creative Planning History Added to 13,287 635 0.0% 0.0% 70 +695 5.52% Q3 2025 Nov 14, 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Reduced 12,987 621 0.0% 0.0% 72 -3,916 -23.17% Q3 2025 Nov 14, 2025
FRANKLIN RESOURCES INC History Reduced 12,984 621 0.0% 0.0% 71 -922 -6.63% Q3 2025 Nov 13, 2025
DEUTSCHE BANK AG\ History Reduced 12,730 608 0.0% 0.0% 73 -1,948 -13.27% Q3 2025 Nov 13, 2025
ALPS ADVISORS INC History Reduced 12,465 596 0.0% 0.0% 74 -1,381 -9.97% Q3 2025 Nov 05, 2025
WOLVERINE ASSET MANAGEMENT LLC History New 12,120 579 0.0% 75 +12,120 New Q3 2025 Oct 28, 2025
Legal & General Group Plc History Added to 11,784 563 0.0% 0.0% 76 +3,767 46.99% Q3 2025 Nov 13, 2025
Jain Global LLC History New 11,093 530 0.0% 77 +11,093 New Q3 2025 Nov 14, 2025
MetLife Investment Management, LLC History Reduced 10,394 497 0.0% 0.0% 78 -3,159 -23.31% Q3 2025 Nov 13, 2025
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Added to 10,021 479 0.0% 0.0% 79 +1 0.01% Q3 2025 Nov 14, 2025
GAMCO INVESTORS, INC. ET AL History New 10,000 478 0.0% 80 +10,000 New Q3 2025 Nov 12, 2025
Skandinaviska Enskilda Banken AB (publ) History New 9,921 474 0.0% 81 +9,921 New Q3 2025 Nov 07, 2025
PRICE T ROWE ASSOCIATES INC /MD/ History Reduced 9,280 444 0.0% 0.0% 82 -1,481 -13.76% Q3 2025 Nov 14, 2025
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Reduced 8,063 385 0.0% 0.0% 83 -2,358 -22.63% Q3 2025 Nov 14, 2025
AlphaQuest LLC History Added to 7,323 350 0.02% 0.0% 84 +5,001 215.37% Q3 2025 Nov 03, 2025
Greenland Capital Management LP History New 7,032 336 0.03% 85 +7,032 New Q3 2025 Nov 10, 2025
Verition Fund Management LLC History Reduced 6,985 334 0.0% 0.0% 86 -33,045 -82.55% Q3 2025 Nov 14, 2025
NEW YORK STATE COMMON RETIREMENT FUND History No change 6,100 291 0.0% 0.0% 87 0 0.0% Q3 2025 Nov 03, 2025
JANUS HENDERSON GROUP PLC History New 5,926 283 0.0% 88 +5,926 New Q3 2025 Nov 14, 2025
Velan Capital Investment Management LP History Reduced 5,800 277 0.26% 6.22% 89 -388,089 -98.53% Q3 2025 Nov 14, 2025
Virtus Investment Advisers, LLC History Added to 5,718 273 0.08% 0.03% 90 +993 21.02% Q3 2025 Nov 14, 2025
Mariner, LLC History New 5,579 266 0.0% 91 +5,579 New Q3 2025 Nov 14, 2025
GUGGENHEIM CAPITAL LLC History New 5,437 260 0.0% 92 +5,437 New Q3 2025 Nov 13, 2025
Police & Firemen's Retirement System of New Jersey History Reduced 4,939 236 0.0% 0.0% 93 -625 -11.23% Q3 2025 Nov 12, 2025
BNP PARIBAS FINANCIAL MARKETS History Added to 4,841 231 0.0% 0.0% 94 +2,738 130.19% Q3 2025 Nov 13, 2025
China Universal Asset Management Co., Ltd. History Reduced 4,503 215 0.02% 0.01% 95 -656 -12.72% Q3 2025 Nov 10, 2025
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM History New 4,400 210 0.0% 96 +4,400 New Q3 2025 Nov 14, 2025
PenderFund Capital Management Ltd. History New 3,000 143 0.02% 97 +3,000 New Q3 2025 Nov 14, 2025
Zurcher Kantonalbank (Zurich Cantonalbank) History New 2,515 120 0.0% 98 +2,515 New Q3 2025 Nov 14, 2025
KLP KAPITALFORVALTNING AS History No change 2,300 110 0.0% 0.0% 99 0 0.0% Q3 2025 Oct 23, 2025
Farther Finance Advisors, LLC History Added to 2,146 102 0.0% 0.0% 100 +1,144 114.17% Q3 2025 Oct 14, 2025
Quantbot Technologies LP History New 1,948 93 0.0% 101 +1,948 New Q3 2025 Nov 12, 2025
Russell Investments Group, Ltd. History New 1,579 75 0.0% 102 +1,579 New Q3 2025 Nov 13, 2025
NISA INVESTMENT ADVISORS, LLC History No change 1,551 74 0.0% 0.0% 103 0 0.0% Q3 2025 Oct 23, 2025
FMR LLC History Reduced 1,451 69 0.0% 0.0% 104 -55,986 -97.47% Q3 2025 Nov 13, 2025
Ameritas Investment Partners, Inc. History Reduced 1,463 69 0.0% 0.0% 105 -799 -35.32% Q3 2025 Nov 10, 2025
CITIGROUP INC History Reduced 1,418 67 0.0% 0.0% 106 -8,376 -85.52% Q3 2025 Nov 10, 2025
Caitong International Asset Management Co., Ltd History Added to 1,234 59 0.04% 0.0% 107 +944 325.52% Q3 2025 Nov 19, 2025
Sterling Capital Management LLC History Added to 1,208 57 0.0% 0.0% 108 +694 135.02% Q3 2025 Nov 12, 2025
Mirae Asset Global Investments Co., Ltd. History Added to 993 47 0.0% 0.0% 109 +1 0.1% Q3 2025 Nov 03, 2025
Tower Research Capital LLC (TRC) History Reduced 740 35 0.0% 0.0% 110 -2,474 -76.98% Q3 2025 Nov 14, 2025
Versant Capital Management, Inc History No change 600 28 0.0% 0.0% 111 0 0.0% Q3 2025 Oct 27, 2025
AMALGAMATED BANK History Reduced 567 27 0.0% 0.0% 112 -232 -29.04% Q3 2025 Oct 29, 2025
GAMMA Investing LLC History Added to 570 27 0.0% 0.0% 113 +121 26.95% Q3 2025 Oct 02, 2025
GF FUND MANAGEMENT CO. LTD. History Reduced 555 26 0.0% 0.0% 114 -101 -15.4% Q3 2025 Nov 07, 2025
BNP Paribas Asset Management Holding S.A. History Reduced 243 12 0.0% 0.0% 115 -62 -20.33% Q3 2025 Nov 07, 2025
EverSource Wealth Advisors, LLC History Added to 183 8 0.0% 116 +150 454.55% Q3 2025 Nov 10, 2025
Optiver Holding B.V. History New 128 6 0.0% 118 +128 New Q3 2025 Nov 10, 2025
US BANCORP \DE\ History Reduced 144 6 0.0% 0.0% 117 -88 -37.93% Q3 2025 Nov 12, 2025
Daiwa Securities Group Inc. History No change 95 5 0.0% 0.0% 119 0 0.0% Q3 2025 Nov 14, 2025
OSAIC HOLDINGS, INC. History No change 251 5 0.0% 0.0% 120 0 0.0% Q3 2025 Nov 14, 2025
CWM, LLC History Added to 71 3 0.0% 0.0% 121 +3 4.41% Q3 2025 Oct 15, 2025
ROTHSCHILD INVESTMENT LLC History Reduced 45 2 0.0% 122 -15 -25.0% Q3 2025 Nov 07, 2025
Parkside Financial Bank & Trust History Added to 48 2 0.0% 123 +13 37.14% Q3 2025 Oct 30, 2025
Arax Advisory Partners History Reduced 47 2 0.0% 124 -5 -9.62% Q3 2025 Nov 14, 2025
RA CAPITAL MANAGEMENT, L.P. History Closed out 0 0 0.68% -2,538,925 -100.0% Q2 2025 Aug 14, 2025
Blue Owl Capital Holdings LP History Closed out 0 0 5.15% -997,107 -100.0% Q2 2025 Aug 11, 2025
Octagon Capital Advisors LP History Closed out 0 0 3.18% -905,000 -100.0% Q2 2025 Aug 14, 2025
Pictet Asset Management Holding SA History Closed out 0 0 0.01% -682,129 -100.0% Q2 2025 Aug 13, 2025
Nantahala Capital Management, LLC History Closed out 0 0 0.35% -558,187 -100.0% Q2 2025 Aug 14, 2025
Point72 Asset Management, L.P. History Closed out 0 0 0.01% -314,580 -100.0% Q2 2025 Aug 14, 2025
Alyeska Investment Group, L.P. History Closed out 0 0 0.01% -243,744 -100.0% Q2 2025 Aug 14, 2025
ADAGE CAPITAL PARTNERS GP, L.L.C. History Closed out 0 0 0.0% -135,637 -100.0% Q2 2025 Aug 14, 2025
ROYAL BANK OF CANADA History Closed out 0 0 0.0% -121,946 -100.0% Q2 2025 Nov 21, 2025
SECTORAL ASSET MANAGEMENT INC History Closed out 0 0 1.23% -116,510 -100.0% Q2 2025 Aug 14, 2025
SILVERARC CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.32% -109,257 -100.0% Q2 2025 Aug 14, 2025
Siren, L.L.C. History Closed out 0 0 0.08% -91,426 -100.0% Q2 2025 Aug 13, 2025
Polymer Capital Management (HK) LTD History Closed out 0 0 0.21% -86,934 -100.0% Q2 2025 Aug 14, 2025
Woodline Partners LP History Closed out 0 0 0.01% -85,177 -100.0% Q2 2025 Aug 14, 2025
Ikarian Capital, LLC History Closed out 0 0 0.21% -67,927 -100.0% Q2 2025 Aug 14, 2025
BROWN ADVISORY INC History Closed out 0 0 0.0% -39,719 -100.0% Q2 2025 Aug 13, 2025
HRT FINANCIAL LP History Closed out 0 0 0.0% -26,876 -100.0% Q2 2025 Aug 14, 2025
WESBANCO BANK INC History Closed out 0 0 0.01% -26,000 -100.0% Q2 2025 Jul 07, 2025
Y-Intercept (Hong Kong) Ltd History Closed out 0 0 0.01% -22,056 -100.0% Q2 2025 Aug 01, 2025
STATE OF WISCONSIN INVESTMENT BOARD History Closed out 0 0 0.0% -19,822 -100.0% Q2 2025 Aug 14, 2025
BOOTHBAY FUND MANAGEMENT, LLC History Closed out 0 0 0.01% -19,559 -100.0% Q2 2025 Aug 14, 2025
EntryPoint Capital, LLC History Closed out 0 0 0.11% -13,966 -100.0% Q2 2025 Aug 11, 2025
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC History Closed out 0 0 0.01% -12,402 -100.0% Q2 2025 Aug 14, 2025
Brooklyn Investment Group History Closed out 0 0 0.01% -5,216 -100.0% Q2 2025 Aug 14, 2025
Smartleaf Asset Management LLC History New 13 0 +13 New Q3 2025 Nov 05, 2025
SIMPLEX TRADING, LLC History Closed out 0 0 -11 -100.0% Q2 2025 Aug 05, 2025
FNY Investment Advisers, LLC History New 10 0 +10 New Q3 2025 Dec 15, 2025
SBI Securities Co., Ltd. History Reduced 2 0 -1 -33.33% Q3 2025 Nov 05, 2025
PNC FINANCIAL SERVICES GROUP, INC. History No change 20 0 0 0.0% Q3 2025 Nov 07, 2025
True Wealth Design, LLC History No change 18 0 0 0.0% Q3 2025 Oct 21, 2025