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Tourmaline Bio (TRML) Institutional Ownership

Tourmaline Bio logo
$47.74 -0.01 (-0.01%)
As of 10:29 AM Eastern
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Institutional Ownership Changes (13F Filings) for Tourmaline Bio (NASDAQ:TRML)

Current
Institutional Ownership
Percentage
91.89%
Number of
Institutional Buyers
(last 12 months)
60
Total
Institutional Inflows
(last 12 months)
$96.10M
Number of
Institutional Sellers
(last 12 months)
33
Total
Institutional Outflows
(last 12 months)
$59.46M
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TRML Institutional Buying and Selling by Quarter

Tourmaline Bio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2025 Tower Research Capital LLC TRC 3,214$51K0.0%+35.7%0.013%
8/15/2025 BBR Partners LLC15,000$240K0.0%+50.0%0.058%
8/15/2025 BNP Paribas Financial Markets2,103$34K0.0%+34.1%0.008%
8/15/2025 Balyasny Asset Management L.P.604,561$9.67M0.0%+2.0%2.354%
8/15/2025 Bank of America Corp DE127,371$2.04M0.0%-46.2%0.496%
8/15/2025 Adage Capital Partners GP L.L.C.135,637$2.17M0.0%-72.9%0.528%
8/14/2025 QVT Financial LP2,154,653$34.45M3.1%+46.2%8.389%
8/14/2025 Nantahala Capital Management LLC558,187$8.93M0.4%+4.8%2.173%
8/14/2025 California State Teachers Retirement System10,020$160K0.0%-4.6%0.039%
8/14/2025 Acuta Capital Partners LLC283,682$4.54M6.3%-33.5%1.104%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.10,421$167K0.0%-24.5%0.041%
8/14/2025 Velan Capital Investment Management LP393,889$6.30M6.2%-13.5%1.534%
8/13/2025 Invesco Ltd.25,626$410K0.0%+28.6%0.100%
8/13/2025 Virtus Investment Advisers LLC4,725$76K0.0%-35.2%0.018%
8/12/2025 American Century Companies Inc.40,564$649K0.0%+12.6%0.158%
8/12/2025 Rhumbline Advisers30,016$480K0.0%-9.1%0.117%
8/12/2025 Legal & General Group Plc8,017$128K0.0%-48.1%0.031%
8/12/2025 JPMorgan Chase & Co.15,599$249K0.0%-60.7%0.061%
8/8/2025 Creative Planning12,592$201K0.0%N/A0.049%
8/8/2025 SG Americas Securities LLC65,156$1.04M0.0%+80.1%0.254%
8/8/2025 Geode Capital Management LLC467,087$7.47M0.0%-5.9%1.819%
8/8/2025 Nan Fung Trinity HK Ltd.227,090$3.63M0.4%N/A0.884%
8/1/2025 Y Intercept Hong Kong Ltd22,056$353K0.0%N/A0.086%
7/31/2025 AlphaQuest LLC2,322$37K0.0%-15.6%0.009%
7/7/2025 Wesbanco Bank Inc.26,000$416K0.0%N/A0.101%
6/27/2025 Goldman Sachs Group Inc.82,919$1.26M0.0%-21.1%0.323%
5/29/2025Rhumbline Advisers33,033$502K0.0%-7.2%0.129%
5/16/2025Woodline Partners LP160,086$2.44M0.0%-1.0%0.623%
5/16/2025Octagon Capital Advisors LP905,000$13.77M1.5%N/A3.523%
5/16/2025Goldman Sachs Group Inc.82,919$1.26M0.0%-21.1%0.323%
5/16/2025Millennium Management LLC268,738$4.09M0.0%-26.3%1.046%
5/16/2025Adage Capital Partners GP L.L.C.500,000$7.61M0.0%-16.7%1.947%
5/15/2025Nantahala Capital Management LLC532,824$8.10M0.3%-0.8%2.074%
5/15/2025QVT Financial LP1,473,369$22.41M2.1%+107.1%5.736%
5/15/2025Velan Capital Investment Management LP455,412$6.93M7.1%+7.5%1.773%
5/14/2025Jump Financial LLC20,893$318K0.0%N/A0.081%
5/14/2025AlphaQuest LLC2,752$42K0.0%-23.9%0.011%
5/14/2025EntryPoint Capital LLC24,972$380K0.2%N/A0.097%
5/14/2025Hsbc Holdings PLC10,357$158K0.0%N/A0.040%
5/14/2025Wellington Management Group LLP74,739$1.14M0.0%+9.0%0.291%
5/13/2025Brooklyn Investment Group3,923$60K0.0%+148.9%0.015%
5/13/2025American Century Companies Inc.36,018$548K0.0%+54.2%0.140%
5/12/2025Nuveen LLC77,607$1.18M0.0%N/A0.302%
5/12/2025Invesco Ltd.19,920$303K0.0%+63.9%0.078%
5/12/2025Swiss National Bank22,400$341K0.0%+11.4%0.087%
5/9/2025Deutsche Bank AG18,011$274K0.0%-10.0%0.070%
5/9/2025Charles Schwab Investment Management Inc.65,850$1.00M0.0%+2.8%0.256%
5/9/2025Vanguard Group Inc.1,190,810$18.11M0.0%+7.7%4.636%
5/8/2025Federated Hermes Inc.121,245$1.84M0.0%+13,036.0%0.472%
5/5/2025Jennison Associates LLC118,487$1.80M0.0%-86.0%0.461%
5/1/2025New York State Common Retirement Fund6,100$93K0.0%-34.4%0.024%
4/30/2025Alps Advisors Inc.17,501$266K0.0%-15.6%0.068%
4/15/2025SG Americas Securities LLC36,180$550K0.0%+3.9%0.141%
4/8/2025Rhumbline Advisers33,033$502K0.0%-7.2%0.129%
4/7/2025GAMMA Investing LLC7,514$114K0.0%+4,481.7%0.029%
3/24/2025Wellington Management Group LLP68,599$1.39M0.0%+4.3%0.267%
3/18/2025California State Teachers Retirement System10,505$213K0.0%+527.9%0.041%
2/17/2025Woodline Partners LP161,721$3.28M0.0%+1.6%0.631%
2/17/2025Velan Capital Investment Management LP423,795$8.60M7.4%+28.0%1.653%
2/17/2025Wexford Capital LP20,610$418K0.1%N/A0.080%
2/17/2025Two Sigma Investments LP21,441$435K0.0%-50.5%0.084%
2/17/2025Stempoint Capital LP126,400$2.56M0.6%+127.7%0.493%
2/17/2025RTW Investments LP736,681$14.94M0.2%-0.7%2.873%
2/17/2025Rafferty Asset Management LLC29,844$605K0.0%N/A0.116%
2/17/2025Nuveen Asset Management LLC76,245$1.55M0.0%+21.5%0.297%
2/17/2025Millennium Management LLC364,658$7.40M0.0%-28.4%1.422%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,378$291K0.0%+12.5%0.056%
2/17/2025Deutsche Bank AG20,008$406K0.0%+54.1%0.078%
2/17/2025Bridgeway Capital Management LLC15,267$310K0.0%-11.6%0.060%
2/17/2025Bank of America Corp DE70,737$1.44M0.0%+87.6%0.276%
2/17/2025BNP Paribas Financial Markets3,371$68K0.0%-74.7%0.013%
2/17/2025Alyeska Investment Group L.P.115,053$2.33M0.0%-39.5%0.449%
2/17/2025Acuta Capital Partners LLC351,842$7.14M7.2%+5.9%1.372%
2/14/2025Jane Street Group LLC17,887$363K0.0%-17.6%0.070%
2/14/2025Schonfeld Strategic Advisors LLC298,239$6.05M0.0%+50.5%1.163%
2/14/2025Nantahala Capital Management LLC536,944$10.89M0.5%-23.4%2.094%
2/14/2025Northern Trust Corp204,786$4.15M0.0%+7.1%0.799%
2/14/2025Boothbay Fund Management LLC19,559$397K0.0%-38.2%0.076%
2/14/2025Susquehanna Fundamental Investments LLC23,044$467K0.0%N/A0.090%
2/14/2025Virtus ETF Advisers LLC3,157$64K0.0%N/A0.012%
2/14/2025Blue Owl Capital Holdings LP1,079,321$21.89M5.2%-29.5%4.210%
2/14/2025Adage Capital Partners GP L.L.C.600,000$12.17M0.0%N/A2.340%
2/14/2025Tower Research Capital LLC TRC1,646$33K0.0%+297.6%0.006%
2/14/2025Nan Fung Group Holdings Ltd187,090$3.79M3.2%+27.4%0.730%
2/13/2025Marshall Wace LLP116,091$2.35M0.0%-16.0%0.453%
2/13/2025Barclays PLC58,566$1.19M0.0%+84.0%0.228%
2/13/2025Legal & General Group Plc15,443$313K0.0%+197.4%0.060%
2/13/2025Invesco Ltd.12,155$247K0.0%+10.8%0.047%
2/13/2025Polymer Capital Management HK LTD79,400$1.61M0.3%N/A0.310%
2/13/2025Wells Fargo & Company MN13,549$275K0.0%+27.8%0.053%
2/12/2025Alliancebernstein L.P.12,950$263K0.0%+39.7%0.051%
2/12/2025Wellington Management Group LLP68,599$1.39M0.0%+4.3%0.268%
2/12/2025Pictet Asset Management Holding SA419,883$8.52M0.0%+69.9%1.638%
2/11/2025Prudential Financial Inc.72,335$1.47M0.0%-7.4%0.282%
2/11/2025Corebridge Financial Inc.11,477$233K0.0%-7.0%0.045%
2/11/2025Vanguard Group Inc.1,106,125$22.43M0.0%+4.1%4.314%
2/11/2025KLP Kapitalforvaltning AS2,300$47K0.0%N/A0.009%
2/11/2025American Century Companies Inc.23,357$474K0.0%N/A0.091%
2/10/2025Swiss National Bank20,100$408K0.0%N/A0.078%
2/7/2025AlphaQuest LLC3,618$73K0.0%-61.4%0.014%
(Data available from 1/1/2016 forward)

TRML Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of TRML shares?

During the previous two years, 94 institutional investors and hedge funds held shares of Tourmaline Bio. The most heavily invested institutionals were Avoro Capital Advisors LLC ($50.89M), QVT Financial LP ($34.45M), Braidwell LP ($23.74M), Blue Owl Capital Holdings LP ($21.89M), Vanguard Group Inc. ($18.11M), Great Point Partners LLC ($17.62M), and Qiming U.S. Ventures Management LLC ($16.99M).Learn more on Tourmaline Bio's institutional investors.

What percentage of Tourmaline Bio's stock is owned by institutional investors?

91.89% of Tourmaline Bio's stock is owned by institutional investors. Learn more on TRML's institutional investor holdings.

Which institutional investors have been buying Tourmaline Bio's stock?

Of the 81 institutional investors that purchased Tourmaline Bio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Avoro Capital Advisors LLC ($2.22M), QVT Financial LP ($1.44M), Jennison Associates LLC ($1.14M), Braidwell LP ($906.82K), Octagon Capital Advisors LP ($905K), Great Point Partners LLC ($672.89K), and Adage Capital Partners GP L.L.C. ($600K).

How much institutional buying is happening at Tourmaline Bio?

Institutional investors have bought a total of 5,296,602 shares in the last 24 months. This purchase volume represents approximately $96.10M in transactions.

Which of Tourmaline Bio's major shareholders have been selling company stock?

Of the 33 institutional investors that sold Tourmaline Bio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Jennison Associates LLC ($1.03M), Adage Capital Partners GP L.L.C. ($464.36K), Blue Owl Capital Holdings LP ($451.08K), Millennium Management LLC ($240.68K), FMR LLC ($221.67K), Nantahala Capital Management LLC ($168.08K), and Acuta Capital Partners LLC ($143.20K).

How much institutional selling is happening at Tourmaline Bio?

Institutional investors have sold a total of 3,259,268 shares in the last 24 months. This volume of shares sold represents approximately $59.46M in transactions.


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This page (NASDAQ:TRML) was last updated on 9/23/2025 by MarketBeat.com Staff
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