MREO

Mereo BioPharma

84 hedge funds and large institutions have $267M invested in Mereo BioPharma in 2025 Q2 according to their latest regulatory filings, with 12 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)

6% less funds holding

Funds holding: 8984 (-5)

29% less first-time investments, than exits

New positions opened: 12 | Existing positions closed: 17

Holders
84
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
Name Holding Trade Value Shares
Change
Change in
Stake
BRWM
51
Blue Rock Wealth Management
North Carolina
$100K
VIA
52
Virtus Investment Advisers
Connecticut
$91.7K
ACM
53
Aquatic Capital Management
Illinois
$73K
QC
54
Quadrature Capital
United Kingdom
$69.1K
CC
55
Centiva Capital
New York
$67.8K
SWP
56
Significant Wealth Partners
Illinois
$60.3K
GCM
57
Graham Capital Management
Connecticut
$57.4K
CSS
58
Cubist Systematic Strategies
Connecticut
$57.2K
Squarepoint
59
Squarepoint
New York
$56K
GSEP
60
Golden State Equity Partners
California
$53.9K
FA
61
Forefront Analytics
Pennsylvania
$51.9K
OIA
62
OneDigital Investment Advisors
Kansas
$49.6K
SSIM
63
Sheets Smith Investment Management
Texas
$45.8K
NFSG
64
Newbridge Financial Services Group
Florida
$35.2K
LFAS
65
Level Four Advisory Services
Texas
$27.1K
MG
66
Marex Group
$27.1K
RhumbLine Advisers
67
RhumbLine Advisers
Massachusetts
$26.8K
GI
68
GAMMA Investing
California
$25.1K
CIAM
69
Caitong International Asset Management
Hong Kong
$12.3K
AAP
70
Arax Advisory Partners
Colorado
$10.8K
AF
71
Allworth Financial
California
$4.44K
Raymond James Financial
72
Raymond James Financial
Florida
$4.25K
GWSG
73
GPS Wealth Strategies Group
Colorado
$4.07K
SIA
74
Sit Investment Associates
Minnesota
$3K
BIG
75
Brooklyn Investment Group
New York
$2.3K