MREO

Mereo BioPharma

83 hedge funds and large institutions have $267M invested in Mereo BioPharma in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 30 increasing their positions, 19 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

7% less funds holding

Funds holding: 8983 (-6)

35% less first-time investments, than exits

New positions opened: 11 | Existing positions closed: 17

Holders
83
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$8.29M
Puts
$3.35M
Net Calls
Net Calls Change

Top Buyers

1 +$4.39M
2 +$2.61M
3 +$2.28M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$1.95M
5
Citadel Advisors
Citadel Advisors
Florida
+$1.13M

Top Sellers

1 -$13.7M
2 -$6.01M
3 -$3.83M
4
Morgan Stanley
Morgan Stanley
New York
-$3.78M
5
UBS AM
UBS AM
Illinois
-$3.53M