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Merus N.V.

MRUSDelisted Dec 30, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001651311

Merus N.V. was delisted on Dec 30, 2025; its insiders filed their last Form 4 on Dec 30, 2025; 268 institutions reported holding it in 13F filings for Q3 2025, worth $6.70B in total; Soros Fund Management was the only superinvestor holding it.

13F holders, Q3 2025

Institutional positions in Merus N.V. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

MRUS is no longer listed, so this page shows Q3 2025. 13F filings for later quarters list far fewer holders.

Institutional holders
268
+67 vs. Q2 2025
Shares held
71.1M
−3.66M (−4.9%) vs. Q2 2025
Total value
$6.70B
+$2.76B (+70.2%) vs. Q2 2025
New holders
106
67 more added
Sold out
39
73 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MRUS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 268 institutions
Q1 2021: 59 institutionsQ2 2021: 68 institutionsQ3 2021: 64 institutionsQ4 2021: 103 institutionsQ1 2022: 95 institutionsQ2 2022: 93 institutionsQ3 2022: 100 institutionsQ4 2022: 91 institutionsQ1 2023: 104 institutionsQ2 2023: 114 institutionsQ3 2023: 113 institutionsQ4 2023: 131 institutionsQ1 2024: 156 institutionsQ2 2024: 179 institutionsQ3 2024: 189 institutionsQ4 2024: 192 institutionsQ1 2025: 185 institutionsQ2 2025: 201 institutionsQ3 2025: 268 institutionsQ4 2025: 10 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ3 2025: $6.70B
Q1 2021: $558.3MQ2 2021: $564.3MQ3 2021: $487.8MQ4 2021: $1.05BQ1 2022: $878.1MQ2 2022: $793.4MQ3 2022: $687.4MQ4 2022: $563.8MQ1 2023: $672.0MQ2 2023: $1.09BQ3 2023: $1.12BQ4 2023: $1.41BQ1 2024: $2.31BQ2 2024: $3.94BQ3 2024: $3.45BQ4 2024: $2.96BQ1 2025: $2.98BQ2 2025: $3.93BQ3 2025: $6.70BQ4 2025: $5.73MQ1 2026: $0Q2 2026: $0
Institutions holding MRUS and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 202510$5.73M
Q3 2025268$6.70B
Q2 2025201$3.93B
Q1 2025185$2.98B
Q4 2024192$2.96B
Q3 2024189$3.45B
Q2 2024179$3.94B
Q1 2024156$2.31B
Q4 2023131$1.41B
Q3 2023113$1.12B
Q2 2023114$1.09B
Q1 2023104$672.0M
Q4 202291$563.8M
Q3 2022100$687.4M
Q2 202293$793.4M
Q1 202295$878.1M
Q4 2021103$1.05B
Q3 202164$487.8M
Q2 202168$564.3M
Q1 202159$558.3M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q2 2025.

Institutions holding MRUS in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Citigroup Inc95,222$8.97M0.01%+60,716+176.0%Added
Oddo BHF Asset Management SAS92,038$8.67M0.33%+92,038New
Credit Industriel Et Commercial90,000$8.47M1.35%+90,000New
Slotnik Capital, LLC90,000$8.47M3.05%+90,000New
Jane Street Group, LLC89,457$8.42M0.01%+54,531+156.1%Added
Morgan Stanley88,195$8.30M0.00%−371,021−80.8%Reduced
Decagon Asset Management LLP83,728$7.88M4.16%+83,728New
Athos Capital Ltd80,000$7.53M4.90%+80,000New
Moody Aldrich Partners LLC76,444$7.20M1.37%−15,565−16.9%Reduced
Russell Investments Group, Ltd.76,363$7.19M0.01%+44,094+136.6%Added
First Trust Advisors LP72,987$6.87M0.01%+72,987New
Vestcor Inc70,000$6.59M0.20%+70,000New
Geode Capital Management, LLC67,999$6.39M0.00%+7,047+11.6%Added
Granahan Investment Management Inc66,208$6.23M0.26%−14,411−17.9%Reduced
TD Asset Management Inc62,584$5.89M0.00%−26,526−29.8%Reduced
Nicholas Investment Partners, LP61,558$5.80M0.44%+61,558New
Bank of Montreal60,208$5.67M0.00%+38,069+172.0%Added
Groupe la Francaise60,000$5.65M0.08%+60,000New
Highbridge Capital Management LLC58,605$5.52M0.28%+58,605New
Cinctive Capital Management LP58,085$5.47M0.27%+14,704+33.9%Added
DekaBank Deutsche Girozentrale56,000$5.13M0.01%00.0%Unchanged
Rhenman & Partners Asset Management AB53,500$5.04M0.56%−62,500−53.9%Reduced
AXA Investment Managers S.A.52,606$4.95M0.01%+52,606New
HealthInvest Partners AB47,999$4.80M1.78%−11,890−19.9%Reduced
ExodusPoint Capital Management, LP50,877$4.79M0.07%−47,652−48.4%Reduced
Boothbay Fund Management, LLC50,581$4.76M0.12%−222,274−81.5%Reduced
Legal & General Group Plc50,445$4.75M0.00%+3,357+7.1%Added
Polar Asset Management Partners Inc.50,000$4.71M0.10%+44,846+870.1%Added
Manufacturers Life Insurance Company, The48,399$4.56M0.00%−11,494−19.2%Reduced
Eversept Partners, LP48,054$4.52M0.35%−82,870−63.3%Reduced
California State Teachers Retirement System45,985$4.33M0.00%+4,836+11.8%Added
Prelude Capital Management, LLC44,471$4.19M0.33%+44,471New
Marshall Wace, LLP44,313$4.17M0.00%+31,946+258.3%Added
Samlyn Capital, LLC43,244$4.07M0.06%−721,941−94.3%Reduced
Northern Trust Corp42,429$3.99M0.00%+4,141+10.8%Added
Burkehill Global Management, LP40,000$3.77M0.21%00.0%Unchanged
Centiva Capital, LP39,900$3.76M0.35%+39,900New
D. E. Shaw & Co., Inc.39,177$3.69M0.00%−108,725−73.5%Reduced
Voleon Capital Management LP34,493$3.25M0.08%+34,493New
Connecticut Wealth Management, LLC33,343$3.14M0.14%00.0%Unchanged
Simplify Asset Management Inc.33,314$3.14M0.06%+33,314New
ADAR1 Capital Management, LLC33,313$3.14M0.31%+15,000+81.9%Added
NEOS Investment Management LLC33,134$3.12M0.02%−18,081−35.3%Reduced
Tema ETFs LLC33,134$3.12M0.26%−18,081−35.3%Reduced
Raymond James Financial Inc32,142$3.03M0.00%+1,364+4.4%Added
State of New Jersey Common Pension Fund D31,914$3.00M0.01%−13,361−29.5%Reduced
Governors Lane LP30,500$2.87M0.40%+30,500New
Moore Capital Management, LP30,200$2.84M0.06%+30,200New
Whitebox Advisors LLC30,001$2.82M0.05%+30,001New
Platinum Investment Management Ltd29,018$2.73M0.18%−15,922−35.4%Reduced
Winton Group Ltd27,900$2.63M0.10%+1,177+4.4%Added
DLD Asset Management, LP25,200$2.37M0.31%+25,200New
Alpine Global Management, LLC25,000$2.35M0.48%+25,000New
Sanders Morris Harris LLC24,870$2.34M0.31%+24,870New
Mint Tower Capital Management B.V.20,000$1.88M0.24%+20,000New
Squarepoint Ops LLC19,608$1.85M0.00%+19,608New
Harbor Capital Advisors, Inc.18,984$1.79M0.14%−37,437−66.4%Reduced
Virtu Financial LLC18,399$1.73M0.10%+13,972+315.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)18,150$1.71M0.00%00.0%Unchanged
Carlson Capital L P16,000$1.51M0.85%+16,000New
Schroder Investment Management Group15,721$1.47M0.00%+534+3.5%Added
Arizona State Retirement System15,427$1.45M0.01%+1,339+9.5%Added
Cantor Fitzgerald, L. P.15,115$1.42M0.03%+15,115New
Maven Securities LTD15,000$1.41M0.27%+15,000New
Skandinaviska Enskilda Banken AB (publ)15,000$1.41M0.01%+15,000New
Envestnet Asset Management Inc14,306$1.35M0.00%+786+5.8%Added
Harbour Capital Advisors, LLC13,810$1.30M0.27%−320−2.3%Reduced
Knights of Columbus Asset Advisors LLC13,614$1.28M0.07%+442+3.4%Added
AQR Capital Management LLC13,462$1.27M0.00%+61+0.5%Added
CenterBook Partners LP13,391$1.26M0.06%−103,665−88.6%Reduced
China Universal Asset Management Co., Ltd.13,258$1.25M0.10%−643−4.6%Reduced
Teacher Retirement System of Texas12,772$1.20M0.00%−261−2.0%Reduced
Two Sigma Investments, LP12,544$1.18M0.00%−106,550−89.5%Reduced
Aquatic Capital Management LLC12,033$1.13M0.02%−51,227−81.0%Reduced
XTX Topco Ltd11,848$1.12M0.06%+11,848New
Syquant Capital SAS11,691$1.10M0.32%+11,691New
Ensign Peak Advisors, Inc11,550$1.09M0.00%00.0%Unchanged
Sectoral Asset Management Inc11,545$1.09M0.67%−4,130−26.3%Reduced
Polen Capital Management LLC11,460$1.08M0.00%+5,626+96.4%Added
KLP Kapitalforvaltning AS10,900$1.03M0.00%+900+9.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,000$941.5K0.00%+10,000New
BCK Capital Management LP9,737$916.7K0.98%+9,737New
Greenland Capital Management LP9,669$910.3K0.13%+9,669New
Glenmede Investment Management, LP9,542$898.4K0.00%−1,975−17.1%Reduced
Oxford Asset Management LLP9,520$896.3K0.29%−2,395−20.1%Reduced
SEI Investments Co9,010$848.3K0.00%−455−4.8%Reduced
Bank of New York Mellon Corp7,917$745.4K0.00%−25,832−76.5%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC6,909$650.5K0.02%00.0%Unchanged
Legato Capital Management LLC6,849$644.8K0.07%+6,849New
Y-Intercept (Hong Kong) Ltd6,317$594.7K0.01%−10,517−62.5%Reduced
Engineers Gate Manager LP6,186$582.4K0.01%−3,751−37.7%Reduced
FNY Investment Advisers, LLC6,000$564.0K0.18%+3,996+199.4%Added
The PNC Financial Services Group, Inc.5,804$546.4K0.00%+20.0%Added
Lighthouse Investment Partners, LLC5,559$523.4K0.02%+5,559New
SG Americas Securities, LLC5,381$507.0K0.00%+5,381New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.5,375$506.1K0.00%+11+0.2%Added
Morningstar Investment Management LLC5,100$480.0K0.02%+5,100New
Bamco Inc5,000$470.8K0.00%+5,000New
Cresset Asset Management, LLC4,997$470.5K0.00%+4,997New
Sagefield Capital LP4,700$442.5K0.05%+4,700New