Metsera Inc
MTSR
MTSR was delisted on the 13th of November, 2025.
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.
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
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$727M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$305M |
| 3 |
Janus Henderson Group
London,
United Kingdom
|
-$280M |
| 4 |
BlackRock
New York
|
-$201M |
| 5 |
AI
Alphabet Inc
Mountain View,
California
|
-$198M |
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.