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Merus (MRUS) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for Merus (NASDAQ:MRUS)

Current
Institutional Ownership
Percentage
96.14%
Number of
Institutional Buyers
(last 12 months)
152
Total
Institutional Inflows
(last 12 months)
$1.48B
Number of
Institutional Sellers
(last 12 months)
77
Total
Institutional Outflows
(last 12 months)
$1.19B
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Skip Chart & View Institutional Buying and Selling Data

MRUS Institutional Buying and Selling by Quarter

Merus Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/18/2026XTX Topco Ltd26,768$2.41M0.1%+125.9%0.035%
2/12/2026 Brooklyn Investment Group2,452$221K0.0%N/A0.003%
1/23/2026 Farther Finance Advisors LLC1,010$91K0.0%+92.4%0.001%
12/15/2025 FNY Investment Advisers LLC6,000$564K0.2%+199.1%0.008%
12/15/2025Hudson Bay Capital Management LP740,394$69.71M0.2%-2,188.6%0.976%
12/9/2025Tudor Investment Corp ET AL731,150$68.84M0.0%N/A0.964%
12/2/2025Swiss Life Asset Management Ltd2,525$238K0.0%N/A0.003%
12/1/2025Polar Asset Management Partners Inc.50,000$4.71M0.0%+870.1%0.066%
12/1/2025Cantor Fitzgerald L. P.15,115$1.42M0.0%N/A0.020%
11/26/2025JPMorgan Chase & Co.756,013$71.18M0.0%+8.2%0.997%
11/21/2025Alpine Global Management LLC25,000$2.35M0.4%N/A0.033%
11/20/2025Maven Securities LTD15,000$1.41M0.0%-76.6%0.020%
11/17/2025Morningstar Investment Management LLC5,100$480K0.0%N/A0.007%
11/17/2025Meteora Capital LLC101,162$9.52M1.0%N/A0.133%
11/17/2025First Trust Capital Management L.P.245,354$23.10M1.5%N/A0.323%
11/17/2025Woodline Partners LP1,674,167$157.62M0.7%+8.5%2.207%
11/17/2025XTX Topco Ltd11,848$1.12M0.1%N/A0.016%
11/17/2025Voleon Capital Management LP34,493$3.25M0.1%N/A0.045%
11/17/2025Voloridge Investment Management LLC176,009$16.57M0.1%N/A0.232%
11/17/2025Water Island Capital LLC96,000$9.04M1.1%N/A0.127%
11/17/2025Whitebox Advisors LLC30,001$2.83M0.0%N/A0.040%
11/17/2025Verition Fund Management LLC498,900$46.97M0.2%+12,444.6%0.658%
11/17/2025Samlyn Capital LLC43,244$4.07M0.1%-94.3%0.057%
11/17/2025Quarry LP445$42K0.0%N/A0.001%
11/17/2025Qube Research & Technologies Ltd422,277$39.76M0.0%+9,777.8%0.557%
11/17/2025Prelude Capital Management LLC44,471$4.19M0.3%N/A0.059%
11/17/2025PenderFund Capital Management Ltd.1,800$169K0.0%N/A0.002%
11/17/2025Pentwater Capital Management LP970,000$91.33M0.5%N/A1.279%
11/17/2025Moore Capital Management LP30,200$2.84M0.0%N/A0.040%
11/17/2025Lighthouse Investment Partners LLC5,559$523K0.0%N/A0.007%
11/17/2025HighVista Strategies LLC133,321$12.55M3.1%+48.5%0.176%
11/17/2025Holocene Advisors LP166,741$15.70M0.0%-92.5%0.220%
11/17/2025Granahan Investment Management LLC66,208$6.23M0.3%-17.9%0.087%
11/17/2025Farallon Capital Management LLC3,000$282K0.0%N/A0.004%
11/17/2025First Light Asset Management LLC224,080$21.10M2.0%N/A0.295%
11/17/2025Decheng Capital LLC186,546$17.56M3.1%-1.3%0.246%
11/17/2025Boxer Capital Management LLC120,000$11.30M3.6%-67.1%0.158%
11/17/2025Centiva Capital LP39,900$3.76M0.0%+149.4%0.053%
11/17/2025Cinctive Capital Management LP58,085$5.47M0.3%+33.9%0.077%
11/17/2025Bamco Inc. NY5,000$471K0.0%N/A0.007%
11/17/2025Cantor Fitzgerald L. P.15,115$1.42M0.0%N/A0.020%
11/17/2025Bank of America Corp DE311,566$29.33M0.0%+107.8%0.411%
11/17/2025Boothbay Fund Management LLC50,581$4.76M0.1%-81.5%0.067%
11/17/2025Aquatic Capital Management LLC12,033$1.13M0.0%-81.0%0.016%
11/17/2025Alliancebernstein L.P.1,196,325$112.63M0.0%+8.5%1.577%
11/17/2025Ameriprise Financial Inc.898,822$84.62M0.0%-20.7%1.185%
11/14/2025Polar Asset Management Partners Inc.50,000$4.71M0.1%+870.1%0.066%
11/14/2025AQR Arbitrage LLC204,994$19.30M0.5%N/A0.270%
11/14/2025Raymond James Financial Inc.32,142$3.03M0.0%+4.4%0.042%
11/14/2025Bellevue Group AG825$78K0.0%-89.4%0.001%
11/14/2025Virtu Financial LLC18,399$1.73M0.1%+315.6%0.024%
11/14/2025Caligan Partners LP216,954$20.43M2.7%-67.0%0.286%
11/14/2025Twin Securities Inc.310,263$29.21M14.5%N/A0.409%
11/14/2025Deerfield Management Company L.P.3,046,916$286.87M4.4%-10.0%4.017%
11/14/2025Man Group plc361,703$34.05M0.1%N/A0.477%
11/14/2025California State Teachers Retirement System45,985$4.33M0.0%+11.8%0.061%
11/14/2025ADAR1 Capital Management LLC33,313$3.14M0.3%+81.9%0.044%
11/14/2025Balyasny Asset Management L.P.644,283$60.66M0.1%N/A0.849%
11/14/2025Two Sigma Investments LP12,544$1.18M0.0%-89.5%0.017%
11/14/2025Squarepoint Ops LLC19,608$1.85M0.0%N/A0.026%
11/14/2025Avoro Capital Advisors LLC3,542,500$333.53M4.3%+12.3%4.670%
11/14/2025Wellington Management Group LLP459,087$43.22M0.0%-87.7%0.605%
11/14/2025Slotnik Capital LLC90,000$8.47M2.6%N/A0.119%
11/14/2025Glenmede Investment Management LP9,542$898K0.0%-17.1%0.013%
11/13/2025Platinum Investment Management Ltd.29,018$2.73M0.2%-35.4%0.038%
11/13/2025 Lynx1 Capital Management LP1,534,141$144.44M27.4%-2.2%2.023%
11/13/2025Invesco Ltd.548,521$51.64M0.0%-34.2%0.723%
11/13/2025Sei Investments Co.9,010$848K0.0%-4.8%0.012%
11/13/2025UBS Group AG581,071$54.71M0.0%+0.6%0.766%
11/13/2025BNP Paribas Financial Markets121,783$11.47M0.0%-8.1%0.161%
11/13/2025Franklin Resources Inc.501,615$47.23M0.0%-72.7%0.661%
11/13/2025Magnetar Financial LLC1,045,209$98.41M0.6%N/A1.378%
11/13/2025Quadrant Capital Group LLC1,253$118K0.0%N/A0.002%
11/13/2025Legal & General Group Plc50,445$4.75M0.0%+7.1%0.067%
11/13/2025Vestcor Inc70,000$6.59M0.2%N/A0.092%
11/13/2025Swiss National Bank101,054$9.51M0.0%+9.4%0.133%
11/13/2025WINTON GROUP Ltd27,900$2.63M0.1%+4.4%0.037%
11/13/2025Russell Investments Group Ltd.76,363$7.19M0.0%+136.6%0.101%
11/13/2025DLD Asset Management LP25,200$2.37M0.0%N/A0.033%
11/13/2025Schroder Investment Management Group15,721$1.47M0.0%+3.5%0.021%
11/13/2025 Private Advisor Group LLC2,400$226K0.0%N/A0.003%
11/13/2025Athos Capital Ltd80,000$7.53M4.8%N/A0.105%
11/13/2025Rhenman & Partners Asset Management AB53,500$5.04M0.6%-53.9%0.071%
11/13/2025Blair William & Co. IL2,151$203K0.0%N/A0.003%
11/13/2025First Trust Advisors LP72,987$6.87M0.0%N/A0.096%
11/12/2025Gabelli Funds LLC105,050$9.89M0.1%N/A0.139%
11/12/2025GABELLI & Co INVESTMENT ADVISERS INC.103,450$9.74M1.6%N/A0.136%
11/12/2025Longfellow Investment Management Co. LLC797$75K0.0%N/A0.001%
11/12/2025Barclays PLC144,035$13.56M0.0%+328.1%0.190%
11/12/2025Orion Porfolio Solutions LLC3,167$298K0.0%N/A0.004%
11/12/2025Cresset Asset Management LLC6,830$643K0.0%N/A0.009%
11/12/2025Picton Mahoney Asset Management100,000$9.42M0.1%N/A0.132%
11/12/2025Legato Capital Management LLC6,849$645K0.1%N/A0.009%
11/12/2025Victory Capital Management Inc.131,432$12.37M0.0%+17.9%0.173%
11/12/2025Quantbot Technologies LP1,210$114K0.0%N/A0.002%
11/12/2025Westfield Capital Management Co. LP2,132,489$200.77M0.8%+4.4%2.812%
11/12/2025US Bancorp DE3,993$376K0.0%+7.1%0.005%
11/10/2025TD Asset Management Inc62,584$5.89M0.0%-29.8%0.083%
11/10/2025Greenland Capital Management LP9,669$910K0.1%N/A0.013%
11/10/2025Highbridge Capital Management LLC58,605$5.52M0.2%N/A0.077%


MRUS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MRUS shares?

During the previous two years, 254 institutional investors and hedge funds held shares of Merus. The most heavily invested institutionals were Avoro Capital Advisors LLC ($333.53M), FMR LLC ($290.13M), Deerfield Management Company L.P. ($286.87M), Westfield Capital Management Co. LP ($200.77M), Commodore Capital LP ($185.42M), Woodline Partners LP ($157.62M), and Lynx1 Capital Management LP ($144.44M).Learn more on Merus' institutional investors.

What percentage of Merus' stock is owned by institutional investors?

96.14% of Merus' stock is owned by institutional investors. Learn more on MRUS's institutional investor holdings.

Which institutional investors have been buying Merus' stock?

Of the 221 institutional investors that purchased Merus' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wellington Management Group LLP ($3.06M), Boxer Capital Management LLC ($1.90M), Westfield Capital Management Co. LP ($1.75M), Paradigm Biocapital Advisors LP ($1.68M), Avoro Capital Advisors LLC ($1.62M), Price T Rowe Associates Inc. MD ($1.19M), and Magnetar Financial LLC ($1.05M).

How much institutional buying is happening at Merus?

Institutional investors have bought a total of 20,395,828 shares in the last 24 months. This purchase volume represents approximately $1.48B in transactions.

Which of Merus' major shareholders have been selling company stock?

Of the 76 institutional investors that sold Merus' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($3.27M), Holocene Advisors LP ($2.06M), Franklin Resources Inc. ($1.49M), Samlyn Capital LLC ($1.01M), Commodore Capital LP ($947.84K), Federated Hermes Inc. ($828.18K), and Caligan Partners LP ($440.05K).

How much institutional selling is happening at Merus?

Institutional investors have sold a total of 15,134,325 shares in the last 24 months. This volume of shares sold represents approximately $1.19B in transactions.


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This page (NASDAQ:MRUS) was last updated on 5/6/2026 by MarketBeat.com Staff.
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