MREO

Mereo BioPharma

86 hedge funds and large institutions have $268M invested in Mereo BioPharma in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 31 increasing their positions, 19 reducing their positions, and 16 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)

3% less funds holding

Funds holding: 8986 (-3)

19% less first-time investments, than exits

New positions opened: 13 | Existing positions closed: 16

Holders
86
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 +$3.91M
2 +$2.33M
3 +$2.03M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$1.74M
5
Citadel Advisors
Citadel Advisors
Florida
+$1.01M

Top Sellers

1 -$12.2M
2 -$5.36M
3 -$3.83M
4
UBS AM
UBS AM
Illinois
-$3.53M
5
Morgan Stanley
Morgan Stanley
New York
-$3.36M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$1.19M
27
$1.07M
28
$1.01M
29
$980K
30
$929K
31
$865K
32
$804K
33
$706K
34
$671K
35
$545K
36
$535K
37
$392K
38
$378K
39
$363K
40
$339K
41
$278K
42
$278K
43
$271K
44
$251K
45
$188K
46
$160K
47
$142K
48
$122K
49
$114K
50
$104K