Tourmaline Bio (TRML) Institutional Ownership $23.55 +0.15 (+0.64%) As of 03:39 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Tourmaline Bio (NASDAQ:TRML)CurrentInstitutional OwnershipPercentage91.89%Number ofInstitutional Buyers(last 12 months)61TotalInstitutional Inflows(last 12 months)$96.59MNumber ofInstitutional Sellers(last 12 months)33TotalInstitutional Outflows(last 12 months)$59.46M Get TRML Insider Trade Alerts Want to know when executives and insiders are buying or selling Tourmaline Bio stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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Skip Chart & View Institutional Buying and Selling Data TRML Institutional Buying and Selling by Quarter Tourmaline Bio Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 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% Get the Latest News and Ratings for TRML and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tourmaline Bio and its competitors with MarketBeat's FREE daily newsletter. 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% 5/29/2025 Rhumbline Advisers33,033$502K0.0%-7.2%0.129% 5/16/2025 Woodline Partners LP160,086$2.44M0.0%-1.0%0.623% 5/16/2025 Octagon Capital Advisors LP905,000$13.77M1.5%N/A3.523% 5/16/2025 Goldman Sachs Group Inc.82,919$1.26M0.0%-21.1%0.323% 5/16/2025 Millennium Management LLC268,738$4.09M0.0%-26.3%1.046% 5/16/2025 Adage Capital Partners GP L.L.C.500,000$7.61M0.0%-16.7%1.947% 5/15/2025 Nantahala Capital Management LLC532,824$8.10M0.3%-0.8%2.074% 5/15/2025 QVT Financial LP1,473,369$22.41M2.1%+107.1%5.736% 5/15/2025 Velan Capital Investment Management LP455,412$6.93M7.1%+7.5%1.773% 5/14/2025 Jump Financial LLC20,893$318K0.0%N/A0.081% 5/14/2025 AlphaQuest LLC2,752$42K0.0%-23.9%0.011% 5/14/2025 EntryPoint Capital LLC24,972$380K0.2%N/A0.097% 5/14/2025 Hsbc Holdings PLC10,357$158K0.0%N/A0.040% 5/14/2025 Wellington Management Group LLP74,739$1.14M0.0%+9.0%0.291% Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. 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Get the FREE Guide Before Markets Open Tomorrow5/13/2025 Brooklyn Investment Group3,923$60K0.0%+148.9%0.015% 5/13/2025 American Century Companies Inc.36,018$548K0.0%+54.2%0.140% 5/12/2025 Nuveen LLC77,607$1.18M0.0%N/A0.302% 5/12/2025 Invesco Ltd.19,920$303K0.0%+63.9%0.078% 5/12/2025 Swiss National Bank22,400$341K0.0%+11.4%0.087% 5/9/2025 Deutsche Bank AG18,011$274K0.0%-10.0%0.070% 5/9/2025 Charles Schwab Investment Management Inc.65,850$1.00M0.0%+2.8%0.256% 5/9/2025 Vanguard Group Inc.1,190,810$18.11M0.0%+7.7%4.636% 5/8/2025 Federated Hermes Inc.121,245$1.84M0.0%+13,036.0%0.472% 5/5/2025 Jennison Associates LLC118,487$1.80M0.0%-86.0%0.461% 5/1/2025 New York State Common Retirement Fund6,100$93K0.0%-34.4%0.024% 4/30/2025 Alps Advisors Inc.17,501$266K0.0%-15.6%0.068% 4/15/2025 SG Americas Securities LLC36,180$550K0.0%+3.9%0.141% 4/8/2025 Rhumbline Advisers33,033$502K0.0%-7.2%0.129% 4/7/2025 GAMMA Investing LLC7,514$114K0.0%+4,481.7%0.029% 3/24/2025 Wellington Management Group LLP68,599$1.39M0.0%+4.3%0.267% 3/18/2025 California State Teachers Retirement System10,505$213K0.0%+527.9%0.041% 2/17/2025 Woodline Partners LP161,721$3.28M0.0%+1.6%0.631% 2/17/2025 Velan Capital Investment Management LP423,795$8.60M7.4%+28.0%1.653% 2/17/2025 Wexford Capital LP20,610$418K0.1%N/A0.080% 2/17/2025 Two Sigma Investments LP21,441$435K0.0%-50.5%0.084% 2/17/2025 Stempoint Capital LP126,400$2.56M0.6%+127.7%0.493% 2/17/2025 RTW Investments LP736,681$14.94M0.2%-0.7%2.873% 2/17/2025 Rafferty Asset Management LLC29,844$605K0.0%N/A0.116% 2/17/2025Nuveen Asset Management LLC76,245$1.55M0.0%+21.5%0.297% 2/17/2025 Millennium Management LLC364,658$7.40M0.0%-28.4%1.422% 2/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,378$291K0.0%+12.5%0.056% 2/17/2025 Deutsche Bank AG20,008$406K0.0%+54.1%0.078% 2/17/2025 Bridgeway Capital Management LLC15,267$310K0.0%-11.6%0.060% 2/17/2025 Bank of America Corp DE70,737$1.44M0.0%+87.6%0.276% 2/17/2025 BNP Paribas Financial Markets3,371$68K0.0%-74.7%0.013% 2/17/2025 Alyeska Investment Group L.P.115,053$2.33M0.0%-39.5%0.449% 2/17/2025 Acuta Capital Partners LLC351,842$7.14M7.2%+5.9%1.372% 2/14/2025 Jane Street Group LLC17,887$363K0.0%-17.6%0.070% 2/14/2025 Schonfeld Strategic Advisors LLC298,239$6.05M0.0%+50.5%1.163% 2/14/2025 Nantahala Capital Management LLC536,944$10.89M0.5%-23.4%2.094% 2/14/2025 Northern Trust Corp204,786$4.15M0.0%+7.1%0.799% 2/14/2025 Boothbay Fund Management LLC19,559$397K0.0%-38.2%0.076% 2/14/2025 Susquehanna Fundamental Investments LLC23,044$467K0.0%N/A0.090% 2/14/2025 Virtus ETF Advisers LLC3,157$64K0.0%N/A0.012% 2/14/2025 Blue Owl Capital Holdings LP1,079,321$21.89M5.2%-29.5%4.210% 2/14/2025 Adage Capital Partners GP L.L.C.600,000$12.17M0.0%N/A2.340% 2/14/2025 Tower Research Capital LLC TRC1,646$33K0.0%+297.6%0.006% 2/14/2025 Nan Fung Group Holdings Ltd187,090$3.79M3.2%+27.4%0.730% 2/13/2025 Marshall Wace LLP116,091$2.35M0.0%-16.0%0.453% 2/13/2025 Barclays PLC58,566$1.19M0.0%+84.0%0.228% 2/13/2025 Legal & General Group Plc15,443$313K0.0%+197.4%0.060% 2/13/2025 Invesco Ltd.12,155$247K0.0%+10.8%0.047% 2/13/2025 Polymer Capital Management HK LTD79,400$1.61M0.3%N/A0.310% 2/13/2025 Wells Fargo & Company MN13,549$275K0.0%+27.8%0.053% Trump’s national nightmare is here (Ad)Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger the biggest forced rotation of capital since World War II. They reveal why Trump is mobilizing America’s tech giants… and name the two stocks most likely to soar as trillions shift behind the scenes.Watch the National Emergency broadcast here2/12/2025 Alliancebernstein L.P.12,950$263K0.0%+39.7%0.051% 2/12/2025 Wellington Management Group LLP68,599$1.39M0.0%+4.3%0.268% 2/12/2025 Pictet Asset Management Holding SA419,883$8.52M0.0%+69.9%1.638% 2/11/2025 Prudential Financial Inc.72,335$1.47M0.0%-7.4%0.282% 2/11/2025 Corebridge Financial Inc.11,477$233K0.0%-7.0%0.045% 2/11/2025 Vanguard Group Inc.1,106,125$22.43M0.0%+4.1%4.314% 2/11/2025 KLP Kapitalforvaltning AS2,300$47K0.0%N/A0.009% 2/11/2025 American Century Companies Inc.23,357$474K0.0%N/A0.091% 2/10/2025 Swiss National Bank20,100$408K0.0%N/A0.078% 2/7/2025 AlphaQuest 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 5,334,463 shares in the last 24 months. This purchase volume represents approximately $96.59M 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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