Merus NVMRUS

13F holders, Q3 2025 (September 30)
268holders +68
105new positions
38sold out
8famous investors
$94.09avg. 13F price*

At the end of Q3 2025, 268 institutions reported holding Merus NV (MRUS) in their 13F filings, up 68 from Q2 2025. 105 opened new positions and 38 sold out. The largest holders were Paradigm Biocapital Advisors LP ($411.8M), Avoro Capital Advisors LLC ($333.5M) and Commodore Capital LP ($331.9M). 8 famous investors held it, including George Soros (0.9% of Soros Fund Management's portfolio), Paul Tudor Jones (0.5% of Tudor Investment Corporation's portfolio) and Steve Cohen (0.1% of Point72 Asset Management's portfolio).

Company
Merus NV
CUSIP
N5749R100
Latest filing quarter
Q4 2025

History

Number of 13F holders

0100200300 Q1 2024: 156Q1 2024Q2 2024: 179Q2 2024Q3 2024: 189Q3 2024Q4 2024: 192Q4 2024Q1 2025: 185Q1 2025Q2 2025: 200Q2 2025Q3 2025: 268Q3 2025Q4 2025: 10Q4 2025

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions105$1.7B
Exits38$384.5M

All 13F filers, Q2 2025 → Q3 2025: 26,402,533 shares bought and 30,109,601 shares sold, net −3,707,068 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 268 holders

Paradigm Biocapital Advisors LP 12.18% Add +2.1% 4,373,770 $411.8M
Avoro Capital Advisors LLC 4.31% Add +12.3% 3,542,500 $333.5M
Commodore Capital LP 16.20% No change 3,525,000 $331.9M
Deerfield Management Company, L.P. 4.76% Reduce -10.0% 3,046,916 $286.9M
HBK Investments L P 4.45% New 2,850,000 $268.3M
FMR LLC 0.01% Reduce -62.5% 2,810,935 $264.6M
BlackRock, Inc. 0.00% Add +106.7% 2,172,015 $204.5M
Westfield Capital Management Co. LP 0.84% Add +4.4% 2,132,489 $200.8M
RTW Investments, LP 2.35% Reduce -49.4% 2,025,277 $190.7M
Woodline Partners LP 0.74% Add +8.5% 1,674,167 $157.6M
Glazer Capital, LLC 5.64% New 1,619,372 $152.5M
Lynx1 Capital Management LP 29.40% Reduce -2.2% 1,534,141 $144.4M
Perceptive Advisors LLC 3.74% Add +91.1% 1,353,093 $127.4M
Federated Hermes, Inc. 0.21% Reduce -18.3% 1,249,162 $117.6M
Davidson Kempner Capital Management LP 2.45% New 1,233,909 $116.2M
Alliancebernstein L.P. 0.04% Add +8.5% 1,196,325 $112.6M
Goldman Sachs Group Inc. 0.02% Add +1021.2% 1,195,408 $112.5M
T. Rowe Price Associates Inc. 0.01% Reduce -51.9% 1,087,143 $102.4M
KRYGER CAPITAL Ltd 11.46% New 1,053,500 $99.2M
Magnetar Financial LLC 0.63% New 1,045,209 $98.4M
Pentwater Capital Management LP 0.82% New 970,000 $91.3M
Ameriprise Financial Inc. 0.02% Reduce -20.7% 898,822 $84.6M
TIG Advisors, LLC 5.05% New 868,145 $81.7M
Alpine Associates Management Inc. 4.80% New 835,600 $78.7M
JPMorgan Chase & Co. 0.00% Add +9.4% 756,013 $71.2M
Novo Holdings A/S 4.55% No change 750,000 $70.6M
Hudson Bay Capital Management LP 0.49% Add +4988.3% 740,394 $69.7M
Tudor Investment Corporation 0.46% New 731,150 $68.8M
Millennium Management 0.05% Add +4325.4% 699,029 $65.8M
Janus Henderson Group PLC 0.03% Reduce -20.2% 662,140 $62.3M
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 1.97% Add +3816.0% 654,126 $61.6M
Balyasny Asset Management L.P. 0.13% New 644,283 $60.7M
Citadel Advisors 0.05% Add +83.1% 614,538 $57.9M
Tang Capital Management LLC 2.17% No change 600,000 $56.5M
Adage Capital Partners Gp, L.L.C. 0.09% Reduce -28.0% 600,000 $56.5M
Rock Springs Capital Management LP 3.30% Reduce -43.9% 597,051 $56.2M
UBS Group AG 0.01% Add +0.6% 581,071 $54.7M
Baker Bros. Advisors LP 0.39% No change 574,377 $54.1M
Invesco Ltd. 0.01% Reduce -34.2% 548,521 $51.6M
Franklin Resources Inc. 0.01% Reduce -72.7% 501,615 $47.2M
Verition Fund Management LLC 0.28% Add +12444.6% 498,900 $47.0M
Wellington Management Group LLP 0.01% Reduce -87.7% 459,087 $43.2M
Gilead Sciences, Inc. 2.38% No change 452,527 $42.6M
Qube Research & Technologies Ltd 0.06% Add +9777.8% 422,277 $39.8M
Soros Fund Management 0.87% New 405,000 $38.1M
LMR Partners LLP 0.71% New 390,465 $36.8M
First Turn Management, LLC 5.26% Add +27.0% 372,022 $35.0M
Man Group plc 0.07% New 361,703 $34.1M
FIL Ltd 0.03% New 338,000 $31.8M
Absolute Gestao de Investimentos Ltda. 4.11% New 330,588 $31.1M
Pictet Asset Management Holding SA 0.03% Reduce -63.9% 330,228 $31.1M
Bank of America Corp. 0.00% Add +107.8% 311,566 $29.3M
Twin Securities, Inc. 14.72% New 310,263 $29.2M
Octagon Capital Advisors LP 4.53% Reduce -20.8% 308,000 $29.0M
Artia Global Partners LP 4.92% No change 296,750 $27.9M
Affinity Asset Advisors, LLC 2.58% Add +308.2% 285,769 $26.9M
Vanguard Group Inc. 0.00% Add +6.6% 282,882 $26.6M
Point72 Asset Management 0.06% Add +49.2% 254,751 $24.0M
State Street Corp. 0.00% Add +2.6% 247,302 $23.3M
First Trust Capital Management L.P. 1.49% New 245,354 $23.1M
Sand Grove Capital Management LLP 11.01% New 239,378 $22.5M
Readystate Asset Management LP 2.19% Add +204.1% 238,696 $22.5M
First Light Asset Management, LLC 1.99% New 224,080 $21.1M
DAFNA Capital Management LLC 5.20% Reduce -44.7% 220,451 $20.8M
Caligan Partners LP 2.83% Reduce -67.0% 216,954 $20.4M
Voya Investment Management LLC 0.02% Reduce -9.9% 210,304 $19.8M
AQR Arbitrage LLC 0.68% New 204,994 $19.3M
Versor Investments LP 3.45% New 198,789 $18.7M
Healthcare of Ontario Pension Plan Trust Fund 0.03% New 192,500 $18.1M
Allianz Asset Management GmbH 0.02% Add +638.9% 192,100 $18.1M
Decheng Capital LLC 3.06% Reduce -1.4% 186,546 $17.6M
Saturn V Capital Management LP 3.80% Reduce -17.9% 184,135 $17.3M
Driehaus Capital Management LLC 0.12% Reduce -87.0% 177,508 $16.7M
Voloridge Investment Management, LLC 0.06% New 176,009 $16.6M
Carmignac Gestion 0.23% Reduce -22.0% 167,532 $15.8M
Holocene Advisors, LP 0.04% Reduce -92.5% 166,741 $15.7M
Sofinnova Investments, Inc. 0.96% Reduce -58.8% 166,729 $15.7M
TimesSquare Capital Management, LLC 0.22% Reduce -31.6% 166,002 $15.6M
Aberdeen Group plc 0.02% Add +23.4% 155,151 $14.6M
Capstone Investment Advisors, LLC 0.15% New 152,000 $14.3M
Nan Fung Trinity (hk) Ltd. 1.41% No change 150,338 $14.2M
Taconic Capital Advisors LP 4.04% New 145,000 $13.7M
Weiss Asset Management LP 0.24% New 144,902 $13.6M
Barclays PLC 0.01% Add +328.1% 144,035 $13.6M
HighVista Strategies LLC 3.08% Add +48.5% 133,321 $12.6M
Royal Bank of Canada 0.00% Add +4.7% 132,212 $12.4M
Victory Capital Management Inc. 0.01% Add +17.9% 131,432 $12.4M
PFM Health Sciences, LP 1.06% Reduce -28.9% 130,742 $12.3M
Harvest Management LLC 6.01% New 130,000 $12.2M
BNP Paribas Financial Markets 0.01% Reduce -8.1% 121,783 $11.5M
Boxer Capital Management, LLC 3.60% Reduce -67.1% 120,000 $11.3M
Westchester Capital Management, LLC 0.56% New 114,159 $10.7M
Gabelli Funds LLC 0.07% New 105,050 $9.9M
Deutsche Bank AG 0.00% Reduce -8.3% 104,110 $9.8M
GABELLI & Co INVESTMENT ADVISERS, INC. 1.57% New 103,450 $9.7M
Meteora Capital, LLC 1.05% New 101,162 $9.5M
Swiss National Bank 0.01% Add +9.4% 101,054 $9.5M
Picton Mahoney Asset Management 0.12% New 100,000 $9.4M
State of Wisconsin Investment Board 0.02% Reduce -35.6% 96,224 $9.1M
Water Island Capital LLC 1.41% New 96,000 $9.0M
Citigroup Inc. 0.01% Add +176.0% 95,222 $9.0M
Oddo BHF Asset Management Sas 0.33% New 92,038 $8.7M
Slotnik Capital, LLC 3.05% New 90,000 $8.5M
Credit Industriel Et Commercial 1.91% New 90,000 $8.5M
Jane Street Group, LLC 0.01% Add +156.1% 89,457 $8.4M
Morgan Stanley 0.00% Reduce -80.8% 88,195 $8.3M
Decagon Asset Management LLP 4.23% New 83,728 $7.9M
Athos Capital Ltd 4.89% New 80,000 $7.5M
Moody Aldrich Partners LLC 1.37% Reduce -16.9% 76,444 $7.2M
Russell Investments Group, Ltd. 0.01% Add +136.7% 76,363 $7.2M
First Trust Advisors LP 0.01% New 72,987 $6.9M
Vestcor Inc 0.20% New 70,000 $6.6M
Geode Capital Management, LLC 0.00% Add +11.6% 67,999 $6.4M
Granahan Investment Management, LLC 0.26% Reduce -17.9% 66,208 $6.2M
TD Asset Management Inc 0.00% Reduce -29.8% 62,584 $5.9M
Nicholas Investment Partners, LP 0.51% New 61,558 $5.8M
Bank of Montreal 0.00% Add +171.9% 60,208 $5.7M
Groupe la Francaise 0.08% New 60,000 $5.6M
Highbridge Capital Management LLC 0.79% New 58,605 $5.5M
Cinctive Capital Management LP 0.27% Add +33.9% 58,085 $5.5M
DekaBank Deutsche Girozentrale 0.01% No change 56,000 $5.1M
Rhenman & Partners Asset Management AB 0.56% Reduce -53.9% 53,500 $5.0M
AXA Investment Managers S.A. 0.01% — 52,606 $5.0M
ExodusPoint Capital Management, LP 0.07% Reduce -48.4% 50,877 $4.8M
Boothbay Fund Management, LLC 0.13% Reduce -81.5% 50,581 $4.8M
Legal & General Group Plc 0.00% Add +7.1% 50,445 $4.7M
Polar Asset Management Partners Inc. 0.14% Add +870.1% 50,000 $4.7M
Manufacturers Life Insurance Company, The 0.00% Reduce -19.2% 48,399 $4.6M
Eversept Partners, LP 0.35% Reduce -63.3% 48,054 $4.5M
California State Teachers Retirement System 0.00% Add +11.8% 45,985 $4.3M
Prelude Capital Management, LLC 0.33% New 44,471 $4.2M
Marshall Wace, LLP 0.00% Add +258.3% 44,313 $4.2M
Samlyn Capital, LLC 0.06% Reduce -94.3% 43,244 $4.1M
Northern Trust Corp. 0.00% Add +10.8% 42,429 $4.0M
Burkehill Global Management, LP 0.22% No change 40,000 $3.8M
Centiva Capital, LP 0.35% New 39,900 $3.8M
D. E. Shaw & Co. 0.00% Reduce -73.5% 39,177 $3.7M
Voleon Capital Management LP 0.08% New 34,493 $3.2M
Connecticut Wealth Management, LLC 0.14% No change 33,343 $3.1M
Simplify Asset Management Inc. 0.06% New 33,314 $3.1M
ADAR1 Capital Management, LLC 0.31% Add +81.9% 33,313 $3.1M
Tema ETFs LLC 0.26% Reduce -35.3% 33,134 $3.1M
NEOS Investment Management LLC 0.02% Reduce -35.3% 33,134 $3.1M
Raymond James Financial Inc. 0.00% Add +4.4% 32,142 $3.0M
State of New Jersey Common Pension Fund D 0.01% Reduce -29.5% 31,914 $3.0M
Governors Lane LP 0.40% New 30,500 $2.9M
Moore Capital Management, LP 0.06% New 30,200 $2.8M
Whitebox Advisors LLC 0.18% New 30,001 $2.8M
Platinum Investment Management Ltd. 0.18% Reduce -35.4% 29,018 $2.7M
WINTON GROUP Ltd 0.10% Add +4.4% 27,900 $2.6M
DLD Asset Management, LP 1.00% New 25,200 $2.4M
Alpine Global Management, LLC 0.62% New 25,000 $2.4M
Sanders Morris Harris LLC 0.31% New 24,870 $2.3M
Mint Tower Capital Management B.V. 0.46% New 20,000 $1.9M
Squarepoint Ops LLC 0.00% New 19,608 $1.8M
Harbor Capital Advisors, Inc. 0.14% Reduce -66.3% 18,984 $1.8M
Virtu Financial LLC 0.10% Add +315.6% 18,399 $1.7M
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 18,150 $1.7M
Carlson Capital, L.P. 0.85% New 16,000 $1.5M
Schroder Investment Management Group 0.00% Add +3.5% 15,721 $1.5M
Arizona State Retirement System 0.01% Add +9.5% 15,427 $1.5M
Cantor Fitzgerald, L. P. 0.03% New 15,115 $1.4M
Maven Securities LTD 0.27% New 15,000 $1.4M
Skandinaviska Enskilda Banken AB (publ) 0.01% New 15,000 $1.4M
Envestnet Asset Management Inc. 0.00% Add +5.8% 14,306 $1.3M
Harbour Capital Advisors, LLC 0.27% Reduce -2.3% 13,810 $1.3M
Knights of Columbus Asset Advisors LLC 0.07% Add +3.4% 13,614 $1.3M
AQR Capital Management 0.00% Add +0.5% 13,462 $1.3M
CenterBook Partners LP 0.06% Reduce -88.6% 13,391 $1.3M
China Universal Asset Management Co., Ltd. 0.10% Reduce -4.6% 13,258 $1.2M
Teacher Retirement System of Texas 0.00% Reduce -2.0% 12,772 $1.2M
Two Sigma Investments, LP 0.00% Reduce -89.5% 12,544 $1.2M
Aquatic Capital Management LLC 0.02% Reduce -81.0% 12,033 $1.1M
XTX Topco Ltd 0.06% New 11,848 $1.1M
Syquant Capital Sas 0.32% New 11,691 $1.1M
Ensign Peak Advisors, Inc 0.00% No change 11,550 $1.1M
Sectoral Asset Management Inc. 0.67% Reduce -26.4% 11,545 $1.1M
Polen Capital Management LLC 0.00% Add +96.4% 11,460 $1.1M
KLP Kapitalforvaltning As 0.00% Add +9.0% 10,900 $1.0M
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% New 10,000 $942K
BCK Capital Management LP 0.99% New 9,737 $917K
Greenland Capital Management LP 0.15% New 9,669 $910K
Glenmede Investment Management, LP 0.00% Reduce -17.1% 9,542 $898K
Oxford Asset Management LLP 0.29% Reduce -20.1% 9,520 $896K
Sei Investments Co. 0.00% Reduce -4.8% 9,010 $848K
Bank of New York Mellon Corp 0.00% Reduce -76.5% 7,917 $745K
Avior Wealth Management, LLC 0.02% No change 6,909 $650K
Legato Capital Management LLC 0.07% New 6,849 $645K
Y-Intercept (Hong Kong) Ltd 0.01% Reduce -62.5% 6,317 $595K
Engineers Gate Manager LP 0.01% Reduce -37.8% 6,186 $582K
FNY Investment Advisers, LLC 0.19% Add +199.4% 6,000 $564K
PNC Financial Services Group, Inc. 0.00% Add +0.0% 5,804 $546K
Lighthouse Investment Partners, LLC 0.02% New 5,559 $523K
SG Americas Securities, LLC 0.00% New 5,381 $507K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Add +0.2% 5,375 $506K
Morningstar Investment Management LLC 0.02% New 5,100 $480K
Atle Fund Management AB 1.78% Reduce -19.9% 47,999 $480K
Baron Capital (BAMCO) 0.00% New 5,000 $471K
Cresset Asset Management, LLC 0.00% New 4,997 $470K
Sagefield Capital LP 0.05% New 4,700 $443K
US Bancorp \de 0.00% Add +7.1% 3,993 $376K
Osaic Holdings, Inc. 0.00% Reduce -10.0% 5,512 $367K
New York State Common Retirement Fund 0.00% New 3,619 $341K
Empowered Funds, LLC 0.00% New 3,308 $311K
Orion Porfolio Solutions, LLC 0.00% New 3,167 $298K
Three Seasons Wealth, LLC 0.03% New 3,020 $284K
Diametric Capital, LP 0.10% New 3,000 $282K
Farallon Capital Management, L.L.C. 0.00% New 3,000 $282K
Guggenheim Capital LLC 0.00% New 2,959 $279K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +9.3% 2,924 $275K
Wells Fargo & Company 0.00% Reduce -31.9% 2,922 $275K
Two Sigma Advisers, LP 0.00% Reduce -98.6% 2,700 $254K
ProShare Advisors LLC 0.00% New 2,694 $254K
Wolverine Asset Management LLC 0.02% New 2,680 $252K
Walleye Capital LLC 0.00% Reduce -70.7% 2,577 $243K
Swiss Life Asset Management Ltd 0.00% New 2,525 $238K
Lanark Financial, Inc. 0.02% Add +140.8% 2,446 $230K
Private Advisor Group, LLC 0.00% New 2,400 $226K
NTV Asset Management LLC 0.02% New 2,250 $212K
Corton Capital Inc. 0.52% New 2,237 $211K
LPL Financial LLC 0.00% New 2,205 $208K
Vanguard Personalized Indexing Management, LLC 0.00% New 2,201 $207K
Lord, Abbett & Co. LLC 0.00% Reduce -99.0% 2,194 $207K
Bessemer Group Inc. 0.00% Add +1170.6% 2,160 $204K
Blair William & Co. 0.00% New 2,151 $203K
Virtus Investment Advisers, LLC 0.06% Add +21.0% 2,054 $193K
Avanza Fonder AB 0.00% Reduce -38.7% 1,922 $181K
PenderFund Capital Management Ltd. 0.07% New 1,800 $169K
GF Fund Management Co. LTD. 0.00% Reduce -7.2% 1,627 $153K
KBC Group NV 0.00% No change 1,427 $134K
Quadrant Capital Group LLC 0.00% New 1,253 $118K
Quantbot Technologies LP 0.00% New 1,210 $114K
Point72 Europe (London) LLP 0.01% New 1,163 $110K
Walleye Trading LLC 0.00% New 1,124 $106K
Signaturefd, LLC 0.00% No change 1,074 $101K
State of Wyoming 0.01% Reduce -9.0% 1,013 $95K
Bellevue Group AG 0.00% Reduce -89.4% 825 $78K
Cwm, LLC 0.00% Add +0.9% 809 $76K
Longfellow Investment Management Co. LLC 0.02% New 797 $75K
Clearstead Advisors, LLC 0.00% Add +1.4% 635 $60K
Farther Finance Advisors, LLC 0.00% Add +10400.0% 525 $49K
Quarry LP 0.01% New 445 $42K
Hurley Capital, LLC 0.02% No change 305 $29K
Daiwa Securities Group Inc. 0.00% No change 246 $23K
Kayne Anderson Rudnick Investment Management LLC 0.00% New 214 $20K
Caitong International Asset Management Co., Ltd 0.01% New 209 $20K
Tower Research Capital LLC (TRC) 0.00% Reduce -54.8% 188 $18K
Arax Advisory Partners 0.00% New 187 $18K
Washington Trust Advisors, Inc. 0.00% Add +15.9% 160 $15K
Jones Financial Companies LLLP 0.00% No change 205 $14K
J.Safra Asset Management Corp 0.00% Add +1.2% 85 $8K
Bellevue Asset Management, LLC 0.00% Add +15.1% 61 $6K
T. Rowe Price Investment Management, Inc. 0.00% Reduce -100.0% 51 $5K
CVA Family Office, LLC 0.00% Reduce -25.8% 46 $4K
Itau Unibanco Holding S.A. 0.00% New 32 $3K
EverSource Wealth Advisors, LLC 0.00% Reduce -30.4% 32 $3K
Essential Partners LLC 0.00% No change 25 $2K
Bell Investment Advisors, Inc 0.00% New 25 $2K
NewEdge Advisors, LLC 0.00% New 22 $2K
Allworth Financial LP 0.00% New 17 $2K
GAMMA Investing LLC 0.00% No change 16 $2K
Montag A & Associates Inc. 0.00% New 15 $1K
Sunbelt Securities, Inc. 0.00% New 13 $1K
Principal Securities, Inc. 0.00% No change 13 $1K
Parallel Advisors, LLC 0.00% New 9 $847
True Wealth Design, LLC 0.00% No change 6 $565
JPL Wealth Management, LLC 0.00% New 5 $471
IFP Advisors, Inc 0.00% Add +0.0% 3 $282

"% of holder's portfolio" is MRUS's weight in each manager's 13F, not the share of Merus NV the manager owns.