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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, Q2 2021

Institutional positions in Merus N.V. as of Jun 30, 2021. 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

Institutional holders
68
+9 vs. Q1 2021
Shares held
26.8M
+59.5K (+0.2%) vs. Q1 2021
Total value
$564.3M
+$6.02M (+1.1%) vs. Q1 2021
New holders
17
22 more added
Sold out
8
15 more reduced

Compare with Q1 2021: 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 holdersQ2 2021: 68 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 heldQ2 2021: $564.3M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q1 2021.

Institutions holding MRUS in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BVF Inc7,285,071$153.5M5.75%00.0%Unchanged
Federated Hermes, Inc.2,979,533$62.8M0.12%−104,724−3.4%Reduced
Wellington Management Group LLP2,132,233$44.9M0.01%+306,330+16.8%Added
Baker Bros. Advisors LP2,037,469$42.9M0.19%00.0%Unchanged
Boxer Capital, LLC1,900,000$40.0M1.41%00.0%Unchanged
Medicxi Ventures Management (Jersey) Ltd1,600,000$33.7M6.04%00.0%Unchanged
Driehaus Capital Management LLC1,004,478$21.2M0.28%−109,228−9.8%Reduced
MPM Oncology Impact Management LP700,879$14.8M2.43%00.0%Unchanged
Avoro Capital Advisors LLC660,000$13.9M0.24%−5,000−0.8%Reduced
Vivo Capital, LLC442,000$9.31M0.40%+267,000+152.6%Added
Morgan Stanley417,409$8.79M0.00%−70,916−14.5%Reduced
Deutsche Bank AG389,668$8.21M0.00%−24,643−5.9%Reduced
Two Sigma Advisers, LP332,600$7.01M0.02%+123,100+58.8%Added
Silverarc Capital Management, LLC320,815$6.76M3.56%+76,102+31.1%Added
Millennium Management LLC320,159$6.75M0.01%+181,564+131.0%Added
Two Sigma Investments, LP298,821$6.30M0.02%+77,017+34.7%Added
Sphera Funds Management Ltd.286,506$6.04M0.57%+209,514+272.1%Added
Cormorant Asset Management, LP285,096$6.01M0.23%−64,904−18.5%Reduced
AXA S.A.263,972$5.56M0.02%+263,972New
BlackRock Inc.251,576$5.30M0.00%+172,036+216.3%Added
FMR LLC246,600$5.20M0.00%−96,500−28.1%Reduced
Platinum Investment Management Ltd214,974$4.53M0.10%00.0%Unchanged
Citadel Advisors LLC213,636$4.50M0.00%+162,986+321.8%Added
Octagon Capital Advisors LP206,927$4.36M0.90%+6,927+3.5%Added
Franklin Resources Inc175,010$3.69M0.00%00.0%Unchanged
Perceptive Advisors LLC175,000$3.69M0.05%00.0%Unchanged
Point72 Asset Management, L.P.164,250$3.46M0.02%+164,250New
DAFNA Capital Management LLC157,841$3.33M0.70%00.0%Unchanged
Burrage Capital Management LLC130,683$2.75M2.76%00.0%Unchanged
Vanguard Group Inc110,932$2.34M0.00%+30,200+37.4%Added
State Street Corp110,467$2.33M0.00%+73,495+198.8%Added
HealthCor Management, L.P.96,438$2.03M0.08%+35,948+59.4%Added
Renaissance Technologies LLC91,325$1.92M0.00%+14,337+18.6%Added
Marshall Wace, LLP82,520$1.74M0.01%+82,520New
J. Goldman & Co LP80,600$1.70M0.11%+26,600+49.3%Added
Ghost Tree Capital, LLC75,000$1.58M0.49%+75,000New
Marshall Wace North America L.P.66,069$1.39M0.01%+66,069New
Northern Trust Corp52,675$1.11M0.00%−4,219−7.4%Reduced
Ikarian Capital, LLC51,223$1.08M0.19%−60,000−53.9%Reduced
Acadian Asset Management LLC50,142$1.06M0.00%+50,142New
Swiss National Bank47,154$994.0K0.00%−3,300−6.5%Reduced
Victory Capital Management Inc47,090$992.0K0.00%−2,870−5.7%Reduced
Goldman Sachs Group Inc24,799$523.0K0.00%+5,236+26.8%Added
Sanders Morris Harris LLC24,870$512.0K0.10%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC20,532$433.0K0.01%+735+3.7%Added
Geode Capital Management, LLC20,484$431.0K0.00%+5,452+36.3%Added
PDT Partners, LLC20,100$424.0K0.03%+5,819+40.7%Added
Trexquant Investment LP17,485$368.0K0.03%+17,485New
ClariVest Asset Management LLC15,807$333.0K0.01%+15,807New
Gsa Capital Partners LLP15,748$332.0K0.04%+15,748New
Credit Suisse AG14,292$301.0K0.00%−5,568−28.0%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.11,822$249.0K0.00%+11,822New
Virtus ETF Advisers LLC9,876$208.0K0.09%+9,876New
Jump Financial, LLC9,600$202.0K0.02%+9,600New
Citigroup Inc7,779$164.0K0.00%+7,546+3,238.6%Added
Federation des caisses Desjardins du Quebec7,057$148.5K0.00%+7,057New
UBS Group AG2,850$60.0K0.00%−49−1.7%Reduced
Bank of America Corp2,333$49.0K0.00%−487−17.3%Reduced
Macquarie Group Ltd1,264$27.0K0.00%+1,264New
Legal & General Group Plc1,200$25.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC951$20.0K0.00%+951New
Global Retirement Partners, LLC403$8.00K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA371$7.82K0.00%+191+106.1%Added
Wells Fargo & Company300$6.00K0.00%00.0%Unchanged
State of Wyoming171$4.00K0.00%+171New
JPMorgan Chase & Co66$1.00K0.00%+30+83.3%Added
Candriam Luxembourg S.C.A.44$1.00K0.00%+44New
Royal Bank of Canada12$00.00%−806−98.5%Reduced
Sofinnova Investments, Inc.0$00.00%−1,311,039−100.0%Sold out
Avidity Partners Management LP0$00.00%−487,000−100.0%Sold out
California Public Employees Retirement System0$00.00%−51,600−100.0%Sold out
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)0$00.00%−46,532−100.0%Sold out
Athanor Capital, LP0$00.00%−34,021−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−14,560−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−11,738−100.0%Sold out
Old Well Partners, LLC0$00.00%−10,722−100.0%Sold out