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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 2022

Institutional positions in Merus N.V. as of Sep 30, 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
100
+7 vs. Q2 2022
Shares held
34.3M
−727.6K (−2.1%) vs. Q2 2022
Total value
$687.4M
−$106.0M (−13.4%) vs. Q2 2022
New holders
17
39 more added
Sold out
10
29 more reduced

Compare with Q2 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 holdersQ3 2022: 100 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 2022: $687.4M
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 2022

Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q2 2022.

Institutions holding MRUS in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Federated Hermes, Inc.3,597,600$72.1M0.21%+4,800+0.1%Added
BVF Inc3,444,420$69.0M2.85%−637,011−15.6%Reduced
Commodore Capital LP2,615,762$52.4M8.43%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)2,521,553$50.5M1.01%+535,629+27.0%Added
Wellington Management Group LLP1,937,388$38.8M0.01%+168,193+9.5%Added
Boxer Capital, LLC1,900,000$38.1M2.14%00.0%Unchanged
Medicxi Ventures Management (Jersey) Ltd1,600,000$32.0M13.34%00.0%Unchanged
Aquilo Capital Management, LLC1,507,109$30.2M12.70%+30,000+2.0%Added
Driehaus Capital Management LLC1,101,220$22.1M0.33%+7,257+0.7%Added
Woodline Partners LP1,051,955$21.1M0.31%+586,752+126.1%Added
Franklin Resources Inc1,050,891$21.0M0.01%+192,353+22.4%Added
MPM Oncology Impact Management LP918,310$18.4M4.36%−1,172−0.1%Reduced
Frazier Life Sciences Management, L.P.746,479$15.0M1.15%+72,500+10.8%Added
Samlyn Capital, LLC617,645$12.4M0.24%+617,645New
Lynx1 Capital Management LP613,071$12.3M11.08%−388,146−38.8%Reduced
Paradigm Biocapital Advisors LP564,214$11.3M1.59%+111,970+24.8%Added
FMR LLC555,586$11.1M0.00%−74,900−11.9%Reduced
Millennium Management LLC529,303$10.6M0.01%−317,754−37.5%Reduced
BlackRock Inc.521,130$10.4M0.00%−18,398−3.4%Reduced
Polar Capital Holdings Plc500,000$10.0M0.08%00.0%Unchanged
Vivo Capital, LLC442,000$8.85M0.98%00.0%Unchanged
Lord, Abbett & Co. LLC422,384$8.46M0.03%+13,868+3.4%Added
Morgan Stanley364,615$7.30M0.00%+2,802+0.8%Added
Sphera Funds Management Ltd.313,326$6.28M1.11%−95,835−23.4%Reduced
TCG Crossover Management, LLC300,000$6.01M1.80%00.0%Unchanged
Silverarc Capital Management, LLC295,136$5.91M2.51%−173,977−37.1%Reduced
DAFNA Capital Management LLC276,893$5.55M1.49%+14,002+5.3%Added
Eversept Partners, LP276,673$5.54M0.66%−11,133−3.9%Reduced
HealthCor Management, L.P.272,890$5.47M0.68%+153,690+128.9%Added
AXA S.A.266,477$5.34M0.02%+43,511+19.5%Added
Opaleye Management Inc.253,200$5.07M2.09%−84,800−25.1%Reduced
Marshall Wace, LLP228,133$4.57M0.01%+228,133New
State Street Corp189,907$3.80M0.00%+5,068+2.7%Added
Tekla Capital Management LLC169,207$3.39M0.14%+73,917+77.6%Added
Platinum Investment Management Ltd146,264$2.93M0.12%+3,404+2.4%Added
Pura Vida Investments, LLC135,632$2.72M0.41%+135,632New
Schonfeld Strategic Advisors LLC130,392$2.61M0.02%−12,486−8.7%Reduced
Vanguard Group Inc126,266$2.53M0.00%+15,550+14.0%Added
Two Sigma Advisers, LP115,900$2.32M0.01%−6,600−5.4%Reduced
Sio Capital Management, LLC87,953$1.76M0.75%00.0%Unchanged
UBS Oconnor LLC77,116$1.54M0.02%+5,000+6.9%Added
Norges Bank75,000$1.50M0.00%00.0%Unchanged
Voya Investment Management LLC72,360$1.45M0.00%+72,360New
Renaissance Technologies LLC72,200$1.45M0.00%+72,200New
Victory Capital Management Inc69,280$1.39M0.00%−1,640−2.3%Reduced
Swiss National Bank67,154$1.34M0.00%+1,500+2.3%Added
Citadel Advisors LLC65,771$1.32M0.00%+49,712+309.6%Added
Acuta Capital Partners, LLC59,000$1.18M0.53%−95,000−61.7%Reduced
Alliancebernstein L.P.58,804$1.18M0.00%−14,009−19.2%Reduced
Ensign Peak Advisors, Inc51,773$1.04M0.00%+17,669+51.8%Added
Algert Global LLC51,617$1.03M0.06%+4,594+9.8%Added
Northern Trust Corp50,344$1.01M0.00%+1,745+3.6%Added
Qube Research & Technologies Ltd44,971$901.0K0.01%+29,871+197.8%Added
Wells Fargo & Company43,514$872.0K0.00%+10,889+33.4%Added
D. E. Shaw & Co., Inc.42,225$846.0K0.00%+42,225New
HighVista Strategies LLC36,994$741.0K0.42%−3,487−8.6%Reduced
Goldman Sachs Group Inc36,792$737.0K0.00%−91,133−71.2%Reduced
J. Goldman & Co LP33,063$662.0K0.05%−120,214−78.4%Reduced
Vident Investment Advisory, LLC31,858$638.0K0.02%−3,414−9.7%Reduced
Jump Financial, LLC31,000$621.0K0.02%+31,000New
Susquehanna Fundamental Investments, LLC29,638$594.0K0.01%+29,638New
LMR Partners LLP29,001$581.0K0.01%−23,718−45.0%Reduced
BIT Capital GmbH28,782$576.5K0.11%−5,824−16.8%Reduced
Trexquant Investment LP28,645$574.0K0.02%+15,793+122.9%Added
State of Wisconsin Investment Board28,246$566.0K0.00%−1,443−4.9%Reduced
Bellevue Group AG25,400$509.0K0.01%+25,400New
Alps Advisors Inc25,022$501.0K0.00%−808−3.1%Reduced
Geode Capital Management, LLC24,770$496.0K0.00%+3,660+17.3%Added
Sanders Morris Harris LLC24,870$495.0K0.12%00.0%Unchanged
California State Teachers Retirement System24,356$488.0K0.00%+775+3.3%Added
DekaBank Deutsche Girozentrale25,000$487.0K0.00%+20,600+468.2%Added
Tudor Investment Corp Et Al23,045$462.0K0.01%+1,280+5.9%Added
Credit Suisse AG22,017$441.0K0.00%+16+0.1%Added
UBS Asset Management Americas Inc21,928$439.2K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP21,930$439.0K0.01%+21,930New
Cubist Systematic Strategies, LLC20,993$420.0K0.00%+8,019+61.8%Added
Allianz Asset Management GmbH17,963$360.0K0.00%+17,963New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.15,531$311.0K0.00%+275+1.8%Added
UBS Group AG14,690$294.0K0.00%+14,590+14,590.0%Added
Walleye Capital LLC12,518$251.0K0.01%−16,190−56.4%Reduced
Bank of America Corp10,969$220.0K0.00%−4,345−28.4%Reduced
Susquehanna International Group, LLP10,898$218.0K0.00%+10,898New
Weiss Multi-Strategy Advisers LLC10,657$213.0K0.01%−1,343−11.2%Reduced
Fox Run Management, L.L.C.10,313$207.0K0.08%+10,313New
Legal & General Group Plc7,120$143.0K0.00%+202+2.9%Added
Virtus ETF Advisers LLC5,220$105.0K0.04%+37+0.7%Added
Tower Research Capital LLC (TRC)4,697$94.0K0.00%+3,606+330.5%Added
JPMorgan Chase & Co3,256$66.0K0.00%+1,094+50.6%Added
Citigroup Inc2,727$55.0K0.00%−158−5.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)2,732$55.0K0.00%00.0%Unchanged
Macquarie Group Ltd1,321$34.0K0.00%−395−23.0%Reduced
BNP Paribas Arbitrage, SA1,331$26.7K0.00%−480−26.5%Reduced
Northwestern Mutual Wealth Management Co800$16.0K0.00%00.0%Unchanged
FourThought Financial, LLC752$15.0K0.00%+752New
Simplex Trading, LLC653$13.0K0.00%+653New
China Universal Asset Management Co., Ltd.429$9.00K0.00%+429New
Daiwa Securities Group Inc.125$3.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.100$2.00K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.96$1.91K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.60$1.00K0.00%+60New