MBX

MBX Biosciences

157 hedge funds and large institutions have $1.57B invested in MBX Biosciences in 2026 Q1 according to their latest regulatory filings, with 39 funds opening new positions, 43 increasing their positions, 47 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

3% more capital invested

Capital invested by funds: $1.53B → $1.57B (+$40.7M)

9% less repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 47

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

Holders
157
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.68M
Puts
$1.46M
Net Calls
Net Calls Change

Top Buyers

1 +$99.3M
2 +$55.2M
3 +$37.3M
4
CP
Caligan Partners
New York
+$28.9M
5
B
Braidwell
Connecticut
+$16.1M

Top Sellers

1 -$45.8M
2 -$21.5M
3 -$16.7M
4
DCM
Driehaus Capital Management
Illinois
-$13.3M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$13M
Name Holding Trade Value Shares
Change
Change in
Stake
ACM
101
ACT Capital Management
Pennsylvania
$269K
SEI Investments
102
SEI Investments
Pennsylvania
$268K
TI
103
Tidal Investments
Wisconsin
$265K
TE
104
Tema ETFs
New York
$265K
Acadian Asset Management
105
Acadian Asset Management
Massachusetts
$262K
American Century Companies
106
American Century Companies
Missouri
$260K
PA
107
Profund Advisors
Maryland
$250K
CUAMC
108
China Universal Asset Management Company
China
$238K
BCI
109
Brinker Capital Investments
Pennsylvania
$237K
State of New Jersey Common Pension Fund D
110
State of New Jersey Common Pension Fund D
New Jersey
$229K
PFSRSONJ
111
Police & Firemen's Retirement System of New Jersey
New Jersey
$224K
BCM
112
Bridgeway Capital Management
Texas
$224K
UBS AM
113
UBS AM
Illinois
$216K
IIM
114
INTECH Investment Management
Florida
$204K
Group One Trading
115
Group One Trading
Illinois
$187K
VIA
116
Vanguard Investments Australia
Australia
$182K
Los Angeles Capital Management
117
Los Angeles Capital Management
California
$167K
KK
118
KLP Kapitalforvaltning
Norway
$146K
Russell Investments Group
119
Russell Investments Group
United Kingdom
$115K
SG Americas Securities
120
SG Americas Securities
New York
$101K
Rockefeller Capital Management
121
Rockefeller Capital Management
New York
$96.2K
Mirae Asset Global Investments
122
Mirae Asset Global Investments
South Korea
$69.9K
AIP
123
Ameritas Investment Partners
Nebraska
$69K
Carson Wealth (CWM LLC)
124
Carson Wealth (CWM LLC)
Nebraska
$52.9K
SO
125
STRS Ohio
Ohio
$47.8K