MBX

MBX Biosciences, Inc. Common Stock
MBX

Overview Fund Activity

87 hedge funds and large institutions have $420M invested in MBX Biosciences, Inc. Common Stock in 2025 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 40 increasing their positions, 14 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
87
Holders Change
+8
Holders Change %
+10.13%
% of All Funds
1.17%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
20
Increased
40
Reduced
14
Closed
12
Calls
$848K
Puts
$1.63M
Net Calls
-$779K
Net Calls Change
-$779K

Top Buyers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
$11.1M
2
Millennium Management
Millennium Management
New York
$8.75M
3
PHP
Parkman Healthcare Partners
Connecticut
$9.95M
4
SSA
Schonfeld Strategic Advisors
New York
$7.2M
5
Vanguard Group
Vanguard Group
Pennsylvania
$11.9M

Top Sellers

1
RCM
RA Capital Management
Massachusetts
$4.31M
2
DTC
Deep Track Capital
Connecticut
$25M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$25.9M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$93.4K
5
AAA
Affinity Asset Advisors
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
SAM
26
Sectoral Asset Management
Quebec, Canada
$2.19M +$2.19M +191,825 New
TD Asset Management
27
TD Asset Management
Ontario, Canada
$1.95M +$226K +19,800 +13%
SC
28
Stempoint Capital
New York
$1.61M +$507K +44,406 +46%
Northern Trust
29
Northern Trust
Illinois
$1.32M +$218K +19,087 +20%
PIM
30
Platinum Investment Management
Australia
$1.29M -$835K -73,189 -39%
Charles Schwab
31
Charles Schwab
California
$1.23M +$148K +12,937 +14%
Manulife (Manufacturers Life Insurance)
32
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$994K +$422K +36,987 +74%
Walleye Capital
33
Walleye Capital
New York
$803K +$432K +37,843 +116%
EAM
34
Exome Asset Management
New York
$720K -$799K -70,037 -53%
Fidelity Investments
35
Fidelity Investments
Massachusetts
$700K +$195K +17,093 +39%
Barclays
36
Barclays
United Kingdom
$668K +$533K +46,723 +395%
AWA
37
Aaron Wealth Advisors
Illinois
$571K – – –
RCAP
38
Resolute Capital Asset Partners
Colorado
$567K +$567K +49,670 New
Bank of America
39
Bank of America
North Carolina
$484K +$163K +14,297 +51%
Bank of New York Mellon
40
Bank of New York Mellon
New York
$434K +$161K +14,122 +59%
Rockefeller Capital Management
41
Rockefeller Capital Management
New York
$389K +$389K +34,135 New
KWM
42
Koa Wealth Management
California
$362K +$141K +12,356 +64%
UBS Group
43
UBS Group
Switzerland
$353K +$39.6K +3,468 +13%
BCM
44
Bridgeway Capital Management
Texas
$333K +$333K +29,200 New
Susquehanna International Group
45
Susquehanna International Group
Pennsylvania
$315K +$159K +13,972 +102%
Morgan Stanley
46
Morgan Stanley
New York
$274K -$1.03M -90,602 -79%
RhumbLine Advisers
47
RhumbLine Advisers
Massachusetts
$270K +$171K +14,950 +172%
NL
48
Nuveen LLC
North Carolina
$253K +$87.5K +7,672 +53%
AA
49
ALPS Advisors
Colorado
$206K -$91.1K -7,986 -31%
AQR Capital Management
50
AQR Capital Management
Connecticut
$205K +$205K +18,001 New
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