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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 2023

Institutional positions in Merus N.V. as of Dec 31, 2023. 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
131
+19 vs. Q3 2023
Shares held
51.2M
+1.83M (+3.7%) vs. Q3 2023
Total value
$1.41B
+$289.0M (+25.8%) vs. Q3 2023
New holders
32
40 more added
Sold out
13
41 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 131 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 2023: $1.41B
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 2023

Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q3 2023.

Institutions holding MRUS in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Royal Bank of Canada10$00.00%−3,121−99.7%Reduced
Farther Finance Advisors, LLC5$1380.00%+5New
GAMMA Investing LLC14$5000.00%+14New
Washington Trust Advisors, Inc.60$1.65K0.00%00.0%Unchanged
Lindbrook Capital, LLC76$2.09K0.00%−55−42.0%Reduced
CVA Family Office, LLC93$2.56K0.00%+93New
The PNC Financial Services Group, Inc.100$2.75K0.00%00.0%Unchanged
Macroview Investment Management LLC114$3.13K0.00%−187−62.1%Reduced
Daiwa Securities Group Inc.186$5.00K0.00%00.0%Unchanged
Group One Trading, L.P.306$8.41K0.00%+283+1,230.4%Added
Northwestern Mutual Wealth Management Co404$11.1K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC752$15.1K0.00%+752New
Citigroup Inc1,064$29.3K0.00%+262+32.7%Added
Signaturefd, LLC1,139$31.3K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,253$34.5K0.00%+343+37.7%Added
Russell Investments Group, Ltd.1,341$36.9K0.00%−1,229−47.8%Reduced
Tower Research Capital LLC (TRC)2,120$58.3K0.00%+828+64.1%Added
New York State Common Retirement Fund2,428$66.8K0.00%−2,040−45.7%Reduced
Quantbot Technologies LP2,800$77.0K0.00%+2,800New
Lazard Asset Management LLC2,982$82.0K0.00%+2,982New
Virtus ETF Advisers LLC3,662$100.7K0.06%−69−1.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)4,235$116.5K0.00%00.0%Unchanged
Qube Research & Technologies Ltd4,746$130.5K0.00%+4,746New
UBS Group AG5,563$153.0K0.00%+5,430+4,082.7%Added
Exchange Traded Concepts, LLC5,753$158.2K0.00%+1,459+34.0%Added
China Universal Asset Management Co., Ltd.6,681$183.7K0.04%+5,204+352.3%Added
Simplex Trading, LLC7,299$200.0K0.01%+6,558+885.0%Added
Sierra Summit Advisors LLC8,049$221.3K0.06%+8,049New
Advisor Group Holdings, Inc.8,600$236.5K0.00%+8,600New
Teacher Retirement System of Texas8,787$242.0K0.00%−3,297−27.3%Reduced
BIT Capital GmbH9,037$248.5K0.03%−25,889−74.1%Reduced
Engineers Gate Manager LP9,126$251.0K0.01%+9,126New
Brevan Howard Capital Management LP9,134$251.2K0.03%+9,134New
Arizona State Retirement System10,299$283.2K0.00%−1,804−14.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.10,114$283.5K0.00%−3,332−24.8%Reduced
Weiss Multi-Strategy Advisers LLC10,651$293.0K0.01%−1,849−14.8%Reduced
Victory Capital Management Inc10,770$296.2K0.00%+10,770New
JPMorgan Chase & Co11,096$305.1K0.00%−152−1.4%Reduced
Bayesian Capital Management, LP11,741$322.9K0.03%+11,741New
Aquatic Capital Management LLC13,200$363.0K0.01%+13,200New
Corton Capital Inc.13,206$363.2K0.12%+786+6.3%Added
Jane Street Group, LLC13,434$369.4K0.00%+13,434New
Allianz Asset Management GmbH17,100$470.3K0.00%00.0%Unchanged
Bank of America Corp18,104$497.9K0.00%−529−2.8%Reduced
Nebula Research & Development LLC19,524$536.9K0.16%+19,524New
Great Point Partners LLC20,000$550.0K0.09%+20,000New
Bellevue Group AG22,700$624.3K0.01%−21,800−49.0%Reduced
ADAR1 Capital Management, LLC24,000$660.0K0.30%+24,000New
HealthInvest Partners AB24,325$668.9K0.52%+24,325New
Tudor Investment Corp Et Al24,443$672.2K0.01%+805+3.4%Added
Susquehanna Portfolio Strategies, LLC24,628$677.3K0.01%+24,628New
State of Wisconsin Investment Board25,618$704.5K0.00%−1,737−6.3%Reduced
Barclays PLC27,326$751.5K0.00%−20,464−42.8%Reduced
Sanders Morris Harris LLC24,870$811.3K0.40%00.0%Unchanged
California State Teachers Retirement System32,809$902.2K0.00%−4,759−12.7%Reduced
UBS Asset Management Americas Inc33,596$923.9K0.00%00.0%Unchanged
Legal & General Group Plc34,621$952.1K0.00%−1,848−5.1%Reduced
First Trust Advisors LP35,185$967.6K0.00%+35,185New
Atom Investors LP35,544$977.5K0.17%+21,976+162.0%Added
Schonfeld Strategic Advisors LLC37,600$1.03M0.01%−201,770−84.3%Reduced
HRT Financial LP37,773$1.04M0.01%+11,265+42.5%Added
ExodusPoint Capital Management, LP39,087$1.07M0.01%+39,087New
Alps Advisors Inc40,128$1.10M0.01%+40,128New
Trexquant Investment LP40,489$1.11M0.03%+23,503+138.4%Added
Nuveen Asset Management, LLC43,677$1.20M0.00%+43,677New
Credit Suisse AG44,990$1.24M0.00%−3,675−7.6%Reduced
Jump Financial, LLC46,120$1.27M0.04%+46,120New
Invesco Ltd.47,364$1.30M0.00%+47,364New
Campbell & CO Investment Adviser LLC48,007$1.32M0.12%+48,007New
Geode Capital Management, LLC53,608$1.47M0.00%+150+0.3%Added
Northern Trust Corp54,643$1.50M0.00%−6,662−10.9%Reduced
DekaBank Deutsche Girozentrale56,000$1.55M0.00%+31,000+124.0%Added
D. E. Shaw & Co., Inc.59,033$1.62M0.00%+59,033New
Norges Bank60,300$1.66M0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA62,825$1.73M0.00%+36,160+135.6%Added
Algert Global LLC68,933$1.90M0.08%−1,549−2.2%Reduced
Swiss National Bank72,654$2.00M0.00%−20,700−22.2%Reduced
Hudson Bay Capital Management LP87,200$2.40M0.02%−80,618−48.0%Reduced
Voya Investment Management LLC93,975$2.58M0.00%00.0%Unchanged
Deutsche Bank AG112,553$3.10M0.00%+236+0.2%Added
Eversept Partners, LP115,726$3.18M0.31%−18,284−13.6%Reduced
UBS Oconnor LLC121,300$3.34M0.11%−30,806−20.3%Reduced
Cubist Systematic Strategies, LLC126,505$3.48M0.04%+126,505New
HighVista Strategies LLC133,572$3.67M1.33%+10,941+8.9%Added
Nan Fung Group Holdings Ltd137,038$3.77M2.35%00.0%Unchanged
Platinum Investment Management Ltd142,029$3.91M0.16%00.0%Unchanged
Vanguard Group Inc151,957$4.18M0.00%−27,093−15.1%Reduced
Parkman Healthcare Partners LLC157,817$4.34M0.61%+27,082+20.7%Added
Alliancebernstein L.P.169,098$4.65M0.00%−23,186−12.1%Reduced
Sphera Funds Management Ltd.230,333$6.33M1.18%−23,000−9.1%Reduced
State Street Corp235,688$6.48M0.00%+15,910+7.2%Added
Woodline Partners LP243,229$6.69M0.07%00.0%Unchanged
Ally Bridge Group (NY) LLC274,923$7.56M5.44%+53,539+24.2%Added
Citadel Advisors LLC280,251$7.71M0.01%+277,066+8,699.1%Added
Soleus Capital Management, L.P.302,577$8.32M0.92%−81,913−21.3%Reduced
Two Sigma Investments, LP315,053$8.66M0.02%+256,863+441.4%Added
Adage Capital Partners GP, L.L.C.330,000$9.07M0.02%+230,000+230.0%Added
Aquilo Capital Management, LLC355,109$9.77M6.85%−75,000−17.4%Reduced
Braidwell LP370,679$10.2M0.37%−1,530,658−80.5%Reduced
Goldman Sachs Group Inc386,944$10.6M0.00%+180,967+87.9%Added