Merus N.V. (MRUS) Institutional Ownership

Based on Q1 2026 13F filings, institutional ownership of Merus N.V. stands at 0.0%, held across 1 reporting institutions.

Marex Group plc is the largest reported institutional holder of MRUS, with approximately 5,000 shares worth $0.00B as of Q1 2026.

No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MRUS.

Our composite Smart Money Score for MRUS is 21 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

1 institutions opened new positions in MRUS during Q1 2026, while 11 fully exited. 0 added to existing positions and 0 trimmed.

MRUS institutional ownership fell by 0.04 percentage points quarter-over-quarter, with a net change of -10 holders.

The top 10 institutions account for 100.0% of all reported 13F value in MRUS, and the top 25 account for 100.0%.

All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.