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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, Q4 2022

Institutional positions in Merus N.V. as of Dec 31, 2022. 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
91
−8 vs. Q3 2022
Shares held
36.4M
+2.13M (+6.2%) vs. Q3 2022
Total value
$563.8M
−$123.6M (−18.0%) vs. Q3 2022
New holders
16
30 more added
Sold out
24
30 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 holdersQ4 2022: 91 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 heldQ4 2022: $563.8M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q3 2022.

Institutions holding MRUS in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Federated Hermes, Inc.3,924,295$60.7M0.17%+326,695+9.1%Added
Wellington Management Group LLP3,690,352$57.1M0.01%+1,752,964+90.5%Added
BVF Inc2,978,420$46.1M1.94%−466,000−13.5%Reduced
Commodore Capital LP2,732,567$42.3M6.37%+116,805+4.5%Added
Deerfield Management Company, L.P. (Series C)2,380,438$36.8M0.76%−141,115−5.6%Reduced
Braidwell LP1,998,084$30.9M1.04%+1,998,084New
Boxer Capital, LLC1,900,000$29.4M1.58%00.0%Unchanged
Medicxi Ventures Management (Jersey) Ltd1,600,000$24.8M10.40%00.0%Unchanged
Franklin Resources Inc1,590,560$24.6M0.01%+539,669+51.4%Added
Aquilo Capital Management, LLC1,432,109$22.2M9.86%−75,000−5.0%Reduced
VR Adviser, LLC1,226,214$19.0M3.20%+1,226,214New
Driehaus Capital Management LLC1,073,487$16.6M0.25%−27,733−2.5%Reduced
Lynx1 Capital Management LP854,591$13.2M11.43%+241,520+39.4%Added
Samlyn Capital, LLC826,087$12.8M0.25%+208,442+33.7%Added
Polar Capital Holdings Plc750,000$11.6M0.09%+250,000+50.0%Added
Frazier Life Sciences Management, L.P.746,479$11.5M0.72%00.0%Unchanged
BlackRock Inc.633,161$9.80M0.00%+112,031+21.5%Added
FMR LLC474,809$7.35M0.00%−80,777−14.5%Reduced
Carmignac Gestion449,652$6.96M0.13%+449,652New
Vivo Capital, LLC438,590$6.79M0.82%−3,410−0.8%Reduced
Millennium Management LLC340,705$5.27M0.01%−188,598−35.6%Reduced
Sphera Funds Management Ltd.316,993$4.90M1.54%+3,667+1.2%Added
TCG Crossover Management, LLC300,000$4.64M0.82%00.0%Unchanged
State Street Corp281,135$4.35M0.00%+91,228+48.0%Added
Silverarc Capital Management, LLC274,704$4.25M1.46%−20,432−6.9%Reduced
DAFNA Capital Management LLC269,893$4.18M1.18%−7,000−2.5%Reduced
Morgan Stanley218,852$3.39M0.00%−145,763−40.0%Reduced
Platinum Investment Management Ltd191,355$2.96M0.11%+45,091+30.8%Added
Eversept Partners, LP184,556$2.86M0.27%−92,117−33.3%Reduced
Two Sigma Advisers, LP171,500$2.65M0.01%+55,600+48.0%Added
Alliancebernstein L.P.160,286$2.48M0.00%+101,482+172.6%Added
Ikarian Capital, LLC156,000$2.41M1.00%+156,000New
Artisan Partners Limited Partnership139,734$2.16M0.00%+139,734New
ExodusPoint Capital Management, LP139,353$2.16M0.03%+117,423+535.4%Added
Vanguard Group Inc121,726$1.88M0.00%−4,540−3.6%Reduced
Nan Fung Group Holdings Ltd93,750$1.45M1.00%+93,750New
Tekla Capital Management LLC92,325$1.43M0.05%−76,882−45.4%Reduced
Algert Global LLC90,597$1.40M0.08%+38,980+75.5%Added
Sio Capital Management, LLC87,953$1.36M0.73%00.0%Unchanged
Norges Bank75,000$1.16M0.00%00.0%Unchanged
Voya Investment Management LLC72,360$1.12M0.00%00.0%Unchanged
Swiss National Bank71,954$1.11M0.00%+4,800+7.1%Added
Goldman Sachs Group Inc63,747$986.2K0.00%+26,955+73.3%Added
Two Sigma Investments, LP59,795$925.0K0.00%+59,795New
Citadel Advisors LLC57,926$896.1K0.00%−7,845−11.9%Reduced
Vident Investment Advisory, LLC55,002$850.9K0.03%+23,144+72.6%Added
Northern Trust Corp52,521$812.5K0.00%+2,177+4.3%Added
Renaissance Technologies LLC46,600$721.0K0.00%−25,600−35.5%Reduced
Bellevue Group AG45,700$707.0K0.01%+20,300+79.9%Added
Schonfeld Strategic Advisors LLC45,360$701.7K0.01%−85,032−65.2%Reduced
Victory Capital Management Inc42,210$653.0K0.00%−27,070−39.1%Reduced
Alps Advisors Inc31,386$485.5K0.00%+6,364+25.4%Added
Marshall Wace, LLP31,100$481.1K0.00%−197,033−86.4%Reduced
Credit Suisse AG30,943$478.7K0.00%+8,926+40.5%Added
Boothbay Fund Management, LLC27,317$422.6K0.01%+27,317New
State of Wisconsin Investment Board26,720$413.4K0.00%−1,526−5.4%Reduced
California State Teachers Retirement System25,901$400.7K0.00%+1,545+6.3%Added
Bank of America Corp25,465$393.9K0.00%+14,496+132.2%Added
Sanders Morris Harris LLC24,870$384.7K0.15%00.0%Unchanged
DekaBank Deutsche Girozentrale25,000$384.0K0.00%00.0%Unchanged
Geode Capital Management, LLC24,770$383.0K0.00%00.0%Unchanged
Tudor Investment Corp Et Al23,215$359.0K0.01%+170+0.7%Added
UBS Asset Management Americas Inc21,928$339.2K0.00%00.0%Unchanged
Susquehanna Fundamental Investments, LLC21,192$327.8K0.01%−8,446−28.5%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.15,372$240.1K0.00%−159−1.0%Reduced
Qube Research & Technologies Ltd13,124$203.0K0.00%−31,847−70.8%Reduced
Weiss Multi-Strategy Advisers LLC10,407$161.0K0.00%−250−2.3%Reduced
Virtus ETF Advisers LLC10,106$156.3K0.08%+4,886+93.6%Added
Legal & General Group Plc8,065$124.8K0.00%+945+13.3%Added
New York State Common Retirement Fund5,325$82.4K0.00%+5,325New
BIT Capital GmbH4,910$76.0K0.02%−23,872−82.9%Reduced
Citigroup Inc3,530$54.6K0.00%+803+29.4%Added
Deutsche Bank AG2,880$44.6K0.00%+2,880New
Zurcher Kantonalbank (Zurich Cantonalbank)2,588$40.0K0.00%−144−5.3%Reduced
Tower Research Capital LLC (TRC)1,722$27.0K0.00%−2,975−63.3%Reduced
BNP Paribas Arbitrage, SA1,025$15.9K0.00%−306−23.0%Reduced
Northwestern Mutual Wealth Management Co800$12.4K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.471$7.29K0.00%+42+9.8%Added
Wells Fargo & Company300$4.64K0.00%−43,214−99.3%Reduced
HealthInvest Partners AB286$4.42K0.01%+286New
Daiwa Securities Group Inc.186$3.00K0.00%+61+48.8%Added
JPMorgan Chase & Co161$2.00K0.00%−3,095−95.1%Reduced
UBS Group AG100$1.55K0.00%−14,590−99.3%Reduced
The PNC Financial Services Group, Inc.100$1.55K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.96$1.50K0.00%00.0%Unchanged
Signaturefd, LLC93$1.44K0.00%+93New
Quadrant Capital Group LLC93$1.44K0.00%+93New
Lindbrook Capital, LLC65$1.01K0.00%+65New
Royal Bank of Canada84$1.00K0.00%+84New
Washington Trust Advisors, Inc.60$9280.00%00.0%Unchanged
GWM Advisors LLC100$20.00%+100New
Woodline Partners LP0$00.00%−1,051,955−100.0%Sold out
MPM Oncology Impact Management LP0$00.00%−918,310−100.0%Sold out
Paradigm Biocapital Advisors LP0$00.00%−564,214−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−422,384−100.0%Sold out
HealthCor Management, L.P.0$00.00%−272,890−100.0%Sold out
AXA S.A.0$00.00%−266,477−100.0%Sold out
Opaleye Management Inc.0$00.00%−253,200−100.0%Sold out
Pura Vida Investments, LLC0$00.00%−135,632−100.0%Sold out
UBS Oconnor LLC0$00.00%−77,116−100.0%Sold out