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MBX

MBX Biosciences
MBX

63 hedge funds and large institutions have $606M invested in MBX Biosciences in 2024 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 11 increasing their positions, 8 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

120% more first-time investments, than exits

New positions opened: 33 | Existing positions closed: 15

40% more funds holding

Funds holding: 45 → 63 (+18)

38% more repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 8

3.33% more ownership

Funds ownership: 95.24% → 98.57% (+3.3%)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

23% less capital invested

Capital invested by funds: $784M → $606M (-$178M)

Holders
63
Holders Change
+18
Holders Change %
+40%
% of All Funds
0.83%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
33
Increased
11
Reduced
8
Closed
15
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$15.5M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$13.2M
3
DCM
Driehaus Capital Management
Illinois
+$12.8M
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$5.19M
5
PHP
Parkman Healthcare Partners
Connecticut
+$3.62M

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$2.28M
2
Franklin Resources
Franklin Resources
California
-$1.72M
3
MS
Maven Securities
Jersey
-$1.3M
4
MIM
Monashee Investment Management
Massachusetts
-$1.3M
5
SC
Stempoint Capital
New York
-$1.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
SSA
26
Schonfeld Strategic Advisors
New York
$1.32M +$1.52M +71,500 New
Manulife (Manufacturers Life Insurance)
27
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$916K +$74.2K +3,481 +8%
UBS Group
28
UBS Group
Switzerland
$846K +$978K +45,901 New
TD Asset Management
29
TD Asset Management
Ontario, Canada
$675K -$174K -8,182 -18%
Goldman Sachs
30
Goldman Sachs
New York
$642K -$345K -16,173 -32%
AA
31
ALPS Advisors
Colorado
$498K +$576K +27,020 New
TRSOTSOK
32
Teachers Retirement System of the State of Kentucky
Kentucky
$492K – – –
Marshall Wace
33
Marshall Wace
United Kingdom
$477K +$296K +13,900 +116%
Norges Bank
34
Norges Bank
Norway
$461K – – –
Fidelity Investments
35
Fidelity Investments
Massachusetts
$453K +$524K +24,573 New
Bank of New York Mellon
36
Bank of New York Mellon
New York
$441K +$510K +23,914 New
Morgan Stanley
37
Morgan Stanley
New York
$439K +$508K +23,835 New
SVCM
38
Saturn V Capital Management
Texas
$332K +$384K +18,000 New
Barclays
39
Barclays
United Kingdom
$321K +$22K +1,033 +6%
Bank of America
40
Bank of America
North Carolina
$296K +$342K +16,059 New
N
41
Nuveen
North Carolina
$267K +$308K +14,471 New
BC
42
BIT Capital
Germany
$235K +$272K +12,743 New
RhumbLine Advisers
43
RhumbLine Advisers
Massachusetts
$175K +$202K +9,472 New
JP Morgan Chase
44
JP Morgan Chase
New York
$168K +$194K +9,106 New
Citigroup
45
Citigroup
New York
$163K +$189K +8,864 New
MIM
46
MetLife Investment Management
New Jersey
$133K +$154K +7,230 New
Mirae Asset Global ETFs Holdings
47
Mirae Asset Global ETFs Holdings
Hong Kong
$117K +$135K +6,335 New
Wells Fargo
48
Wells Fargo
California
$108K +$125K +5,844 New
CF
49
Corebridge Financial
Texas
$103K +$119K +5,593 New
SIM
50
Sandia Investment Management
Massachusetts
$92.2K – – –
1
2
3 4

MBX Hedge Fund Activity: Q4 2024 in Review

63 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in MBX Biosciences (MBX) for Q4 2024, worth a combined $606M — down 23% from $784M a quarter earlier.

Buyers outnumbered sellers: 33 funds opened new MBX positions and 15 closed out — a net gain of 18 holders — while 11 added to existing stakes and 8 trimmed.

The largest buyer was BlackRock, opening a new position worth an estimated $15.5M. The largest seller was Millennium Management, cutting an estimated $2.28M.

  • 63 institutional investors held MBX Biosciences (MBX) as of Q4 2024, up from 45 in Q3 2024.
  • Funds reported $606M of MBX Biosciences stock for Q4 2024, down 23% quarter-over-quarter.
  • 33 funds opened new MBX Biosciences positions in Q4 2024 and 15 closed out, a net change of +18 holders.
  • The largest MBX Biosciences buyer in Q4 2024 was BlackRock, an estimated $15.5M added.
  • The largest MBX Biosciences seller in Q4 2024 was Millennium Management, an estimated $2.28M sold.

Based on aggregated 13F filings for Q4 2024.