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MTSR

Metsera Inc
MTSR

Delisted

MTSR was delisted on the 13th of November, 2025.

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1 hedge funds and large institutions have $564 invested in Metsera Inc in 2025 Q4 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 0 reducing their positions, and 153 closing their positions.

New
Increased
Maintained
Reduced
Closed

61.64% less ownership

Funds ownership: 61.64% → 0% (-62%)

99% less funds holding

Funds holding: 155 → 1 (-154)

100% less funds holding in top 10

Funds holding in top 10: 3 → 0 (-3)

100% less capital invested

Capital invested by funds: $3.39B → $564 (-$3.39B)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 153

Holders
1
Holders Change
-154
Holders Change %
-99.35%
% of All Funds
0.01%
Holding in Top 10
–
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-100%
% of All Funds
–
New
–
Increased
–
Reduced
–
Closed
153
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

No buyers this quarter

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$727M
2
Vanguard Group
Vanguard Group
Pennsylvania
-$305M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$280M
4
BlackRock
BlackRock
New York
-$201M
5
AI
Alphabet Inc
California
-$198M
Name Holding Trade Value Shares
Change 		Change in
Stake
GCL
26
Glazer Capital LLC
New York
– -$14.2M -270,662 Closed
Barclays
27
Barclays
United Kingdom
– -$11.6M -221,064 Closed
WANY
28
Wealthspire Advisors (New York)
New York
– -$11.2M -213,085 Closed
AAM
29
Alpine Associates Management
Florida
– -$10.2M -195,200 Closed
Balyasny Asset Management
30
Balyasny Asset Management
Illinois
– -$9.27M -177,228 Closed
Goldman Sachs
31
Goldman Sachs
New York
– -$9.25M -176,847 Closed
Susquehanna International Group
32
Susquehanna International Group
Pennsylvania
– -$8.82M -168,477 Closed
Bank of New York Mellon
33
Bank of New York Mellon
New York
– -$8.57M -163,726 Closed
ACM
34
ADAR1 Capital Management
Texas
– -$7.98M -152,521 Closed
UBS Group
35
UBS Group
Switzerland
– -$7.37M -140,923 Closed
APM
36
Avidity Partners Management
Texas
– -$7.35M -140,500 Closed
Man Group
37
Man Group
United Kingdom
– -$7.33M -140,000 Closed
N
38
Nuveen
North Carolina
– -$6.6M -126,111 Closed
Millennium Management
39
Millennium Management
New York
– -$6.3M -120,356 Closed
Ensign Peak Advisors
40
Ensign Peak Advisors
Utah
– -$5.62M -107,318 Closed
Rafferty Asset Management
41
Rafferty Asset Management
New York
– -$5.41M -103,465 Closed
RA
42
Royce & Associates
New York
– -$5.35M -102,300 Closed
GWM
43
Greenwich Wealth Management
Connecticut
– -$4.88M -93,224 Closed
Morgan Stanley
44
Morgan Stanley
New York
– -$4.86M -92,938 Closed
SCM
45
SCS Capital Management
Massachusetts
– -$4.68M -89,375 Closed
SSA
46
Schonfeld Strategic Advisors
New York
– -$4M -76,393 Closed
RhumbLine Advisers
47
RhumbLine Advisers
Massachusetts
– -$3.83M -73,144 Closed
Verition Fund Management
48
Verition Fund Management
Connecticut
– -$3.71M -70,928 Closed
TD Asset Management
49
TD Asset Management
Ontario, Canada
– -$3.54M -67,732 Closed
Jane Street
50
Jane Street
New York
– -$3.11M -59,451 Closed
1
2
3 4 5

MTSR Hedge Fund Activity: Q4 2025 in Review

1 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Metsera Inc (MTSR) for Q4 2025, worth a combined $564 — down 100% from $3.39B a quarter earlier.

Sellers outnumbered buyers: 153 funds closed out of MTSR and 0 opened new positions — a net loss of 153 holders — while 0 trimmed existing stakes and 0 added.

The largest seller was Fidelity Investments, exiting entirely with an estimated $727M sold.

  • 1 institutional investor held Metsera Inc (MTSR) as of Q4 2025, down from 155 in Q3 2025.
  • Funds reported $564 of Metsera Inc stock for Q4 2025, down 100% quarter-over-quarter.
  • 0 funds opened new Metsera Inc positions in Q4 2025 and 153 closed out, a net change of -153 holders.
  • The largest Metsera Inc seller in Q4 2025 was Fidelity Investments, an estimated $727M sold.

Based on aggregated 13F filings for Q4 2025.