MREO

Mereo BioPharma

69 hedge funds and large institutions have $25.8M invested in Mereo BioPharma in 2025 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 15 increasing their positions, 19 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

39% less first-time investments, than exits

New positions opened: 22 | Existing positions closed: 36

87% less capital invested

Capital invested by funds: $205M → $25.8M (-$179M)

Holders
69
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.68M
Puts
$902K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Renaissance Technologies
26
Renaissance Technologies
New York
$81K
ACM
27
ADAR1 Capital Management
Texas
$62.5K
State Street
28
State Street
Massachusetts
$54.4K
VIA
29
Virtus Investment Advisers
Connecticut
$51.1K
GCM
30
Graham Capital Management
Connecticut
$48.5K
Geode Capital Management
31
Geode Capital Management
Massachusetts
$38.6K
Millennium Management
32
Millennium Management
New York
$34.9K
BBA
33
Baader Bank Aktiengesellschaft
Germany
$33.1K
Acadian Asset Management
34
Acadian Asset Management
Massachusetts
$24K
CM
35
Caption Management
Oklahoma
$20.8K
EGM
36
Engineers Gate Manager
New York
$20.8K
CHAM
37
Clear Harbor Asset Management
Connecticut
$14.6K
FA
38
Forefront Analytics
Pennsylvania
$13.2K
Goldman Sachs
39
Goldman Sachs
New York
$11.7K
Bank of America
40
Bank of America
North Carolina
$10.6K
CC
41
Centiva Capital
New York
$10.4K
SWP
42
Significant Wealth Partners
Illinois
$9.04K
ACM
43
Aquatic Capital Management
Illinois
$8.84K
SP
44
SmartHarvest Portfolios
Washington
$8.46K
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$7.98K
BRWM
46
Blue Rock Wealth Management
North Carolina
$7.92K
OIA
47
OneDigital Investment Advisors
Kansas
$7.63K
NFSG
48
Newbridge Financial Services Group
Florida
$7.08K
PI
49
PFG Investments
New York
$6.94K
Barclays
50
Barclays
United Kingdom
$6.04K