Merus N.V.

MRUSDelisted Dec 30, 2025

Industry: Pharmaceutical Preparations
SEC CIK: 0001651311

SEC filings (opens in a new tab)

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.

Q3 2024 vs. Q2 2024

How the institutions holding Merus N.V. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024 All holders in Q2 2024

13F holders of MRUS: Q2 2024 compared with Q3 2024
Measure	Q2 2024	Of which not filed for Q3 2024	Q3 2024	Change
Holders	179	2	189	+12
Shares	66.5M	1.58M	69.0M	+4.10M (+6.3%)
Value	$3.94B	$93.6M	$3.45B	−$388.5M (−10.1%)

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held Merus N.V. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to MRUS in Q3 2024
Institution	Shares	Value	% of portfolio
BlackRock, Inc.	1,645,409	$82.2M	0.00%
Siren, L.L.C.	682,201	$34.1M	1.71%
Westfield Capital Management Co LP	608,457	$30.4M	0.14%
Standard Life Aberdeen plc	87,215	$4.36M	0.01%
Alps Advisors Inc	53,479	$2.67M	0.02%
Harbor Capital Advisors, Inc.	42,287	$2.11M	0.09%
State of New Jersey Common Pension Fund D	37,426	$1.87M	0.01%
Schroder Investment Management Group	32,917	$1.57M	0.00%
Moody Aldrich Partners LLC	30,571	$1.53M	0.28%
Nebula Research & Development LLC	30,003	$1.50M	0.18%
HRT Financial LP	29,283	$1.46M	0.01%
Susquehanna International Group, LLP	27,240	$1.36M	0.00%
Aquatic Capital Management LLC	24,200	$1.21M	0.03%
Twinbeech Capital LP	16,520	$825.3K	0.02%
Brevan Howard Capital Management LP	13,639	$681.4K	0.03%
Gsa Capital Partners LLP	13,502	$675.0K	0.05%
Cambridge Investment Research Advisors, Inc.	11,747	$587.0K	0.00%
HighTower Advisors, LLC	7,231	$358.0K	0.00%
Inceptionr LLC	6,677	$333.6K	0.08%
Envestnet Asset Management Inc	5,188	$259.2K	0.00%
The PNC Financial Services Group, Inc.	4,300	$214.8K	0.00%
MML Investors Services, LLC	4,122	$206.0K	0.00%
US Bancorp	2,054	$102.6K	0.00%
Catalyst Funds Management Pty Ltd	800	$40.0K	0.01%
Group One Trading, L.P.	230	$11.5K	0.00%
Jones Financial Companies LLLP	215	$10.3K	0.00%
Clear Street Markets LLC	130	$6.00K	0.00%
Global Retirement Partners, LLC	14	$699	0.00%
J.Safra Asset Management Corp	9	$430	0.00%
Principal Securities, Inc.	7	$350	0.00%
Capital Performance Advisors LLP	4	$200	0.00%

Sold out (19)

Institutions that held Merus N.V. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of MRUS in Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BVF Inc	1,279,049	$75.7M
Artal Group S.A.	760,355	$45.0M
OrbiMed Advisors LLC	156,100	$9.24M
Integral Health Asset Management, LLC	100,000	$5.92M
BCJ Capital Management, LLC	54,957	$3.25M
Exome Asset Management LLC	45,100	$2.67M
Atom Investors LP	43,827	$2.59M
Tudor Investment Corp Et Al	42,359	$2.51M
Carmignac Gestion	42,278	$2.50M
Entropy Technologies, LP	12,847	$760.2K
Prelude Capital Management, LLC	9,400	$556.2K
Mirabella Financial Services LLP	5,289	$312.9K
Farallon Capital Management, L.L.C.	4,000	$236.7K
LMR Partners LLP	4,000	$236.7K
Mariner, LLC	3,718	$220.5K
IFP Advisors, Inc	750	$44.4K
Hollencrest Capital Management	90	$5.33K
Mather Group, LLC.	100	$4.50K
Twin Tree Management, LP	6	$355

Not filed for Q3 2024 yet (2)

Institutions that held Merus N.V. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MRUS in Q2 2024 that haven't filed for Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BlackRock Inc.	1,525,749	$90.3M
Susquehanna Fundamental Investments, LLC	56,778	$3.36M