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Institutional Ownership

Mereo Biopharma Group PLC

CUSIP 589492107SPON ADSMREOQ1 2026

13D / 13G Filings
77
Schedule 13D/13G on record
Beneficial Filers
20
Distinct reporting persons
Largest Stake
14.4%
Max % of class reported
Institutional Holders
63
13F filers (latest quarter)

Beneficial Owners — Schedule 13D / 13G

77 filings · latest Feb 17, 2026

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#FiledReporting PersonForm% of ClassSharesFiling
1Feb 17, 2026Northpond Ventures, LP13G/ASEC
2Feb 17, 2026Janus Henderson Group PLC13G/ASEC
3Feb 13, 2026Frazier Life Sciences Public Fund, L.P.13G/ASEC
4Jan 9, 2026Ecor1 Capital, LLC13G9.4%SEC
5Jan 6, 2026683 Capital Management, LLC13G8.2%65.08MSEC
6Nov 14, 2025Janus Henderson Group PLC13G/A10.2%16.29MSEC
7Nov 14, 2025Mangrove Partners Im, LLC13G/A4.9%389.53TSEC
8Aug 14, 2025Frazier Life Sciences Public Fund, L.P.13G/A4.1%32.43MSEC
9Aug 14, 2025Janus Henderson Group PLC13G/A11.1%17.69MSEC
10Jun 11, 2025Northpond Ventures, LP13G6.9%54.52MSEC

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Top Institutional Holders (13F)

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