MBX

MBX Biosciences, Inc. Common Stock
MBX

Overview Fund Activity

79 hedge funds and large institutions have $263M invested in MBX Biosciences, Inc. Common Stock in 2025 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 24 increasing their positions, 15 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
79
Holders Change
+16
Holders Change %
+25.4%
% of All Funds
1.07%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.01%
New
27
Increased
24
Reduced
15
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
MB
MPM BioImpact
Massachusetts
$8.36M
2
WP
Woodline Partners
California
$6.48M
3
OM
Opaleye Management
Massachusetts
$1.85M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.49M
5
O
OrbiMed
New York
$29.5M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
$0
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
$0
3
Wellington Management Group
Wellington Management Group
Massachusetts
$19.5M
4
Millennium Management
Millennium Management
New York
$1.26M
5
TRSOTSOK
Teachers Retirement System of the State of Kentucky
Kentucky
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Millennium Management
26
Millennium Management
New York
$1.26M -$1.2M -163,202 -49%
TD Asset Management
27
TD Asset Management
Ontario, Canada
$1.12M +$848K +114,904 +314%
EAM
28
Exome Asset Management
New York
$982K +$982K +133,113 New
Morgan Stanley
29
Morgan Stanley
New York
$846K +$670K +90,775 +381%
Marshall Wace
30
Marshall Wace
United Kingdom
$821K +$630K +85,311 +329%
Point72 Asset Management
31
Point72 Asset Management
Connecticut
$815K +$815K +110,482 New
Citigroup
32
Citigroup
New York
$718K +$653K +88,464 +998%
SC
33
Stempoint Capital
New York
$713K +$713K +96,615 New
Northern Trust
34
Northern Trust
Illinois
$712K +$43K +5,825 +6%
Charles Schwab
35
Charles Schwab
California
$698K +$9.11K +1,235 +1%
Manulife (Manufacturers Life Insurance)
36
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$370K +$3.21K +435 +0.9%
AWA
37
Aaron Wealth Advisors
Illinois
$369K +$369K +50,000 New
SC
38
Shay Capital
New York
$363K +$363K +49,133 New
Fidelity Investments
39
Fidelity Investments
Massachusetts
$326K +$145K +19,667 +80%
PCM
40
Prelude Capital Management
New York
$297K +$297K +40,225 New
Two Sigma Investments
41
Two Sigma Investments
New York
$250K +$250K +33,833 New
Walleye Capital
42
Walleye Capital
New York
$240K +$240K +32,490 New
BNP Paribas Financial Markets
43
BNP Paribas Financial Markets
France
$228K +$217K +29,430 +1,980%
JF
44
Jump Financial
Illinois
$214K +$214K +28,996 New
Bank of America
45
Bank of America
North Carolina
$207K +$88.8K +12,031 +75%
UBS Group
46
UBS Group
Switzerland
$203K -$136K -18,402 -40%
AA
47
ALPS Advisors
Colorado
$192K -$7.28K -986 -4%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$176K -$30 -4 -0%
Squarepoint
49
Squarepoint
New York
$148K +$148K +20,098 New
Verition Fund Management
50
Verition Fund Management
Connecticut
$146K +$146K +19,815 New
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