Institutional Ownership
Mereo Biopharma Group PLC
CUSIP 589492107SPON ADSMREOQ1 2026
Institutional Holders
63
13F filers
Shares Held
75.38M
Aggregate institutional
Institutional Value
$24.79M
Q1 2026
Net New Holders
-5
15 new · 20 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions15
Increased15
Decreased16
Sold out20
Institutional Holders
63 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Rubric Capital Management LP | 15.31M | $5.05M | 0 | Held |
| 2 | Ecor1 Capital, LLC | 13.37M | $4.41M | +5.51M | Added |
| 3 | 683 Capital Management, LLC | 12.00M | $3.96M | −3.02M | Reduced |
| 4 | Bank Of America Corp /De/ | 8.20M | $2.70M | +8.17M | Added |
| 5 | Defilade Capital Management, L.P. | 7.56M | $2.49M | +7.56M | New |
| 6 | Newtyn Management, LLC | 7.08M | $2.34M | +6.85M | Added |
| 7 | Millennium Management LLC | 3.56M | $1.17M | +3.48M | Added |
| 8 | Tejara Capital Ltd | 2.04M | $672.4K | −122.2K | Reduced |
| 9 | Ubs Group AG | 1.49M | $491.7K | −68.8K | Reduced |
| 10 | Wealthspire Advisors, LLC | 796.0K | $262.7K | +796.0K | New |
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