WIC
MTSR

Water Island Capital’s Metsera Inc MTSR Stock Holding History

Water Island Capital’s Portfolio MTSR Stock Details MTSR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-18,730
Closed -$980K – 138
2025
Q3 		$980K Buy
+18,730
New +$691K 0.12% 71

Other funds holding MTSR

IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Water Island Capital's MTSR Position: Q4 2025 in Review

Water Island Capital sold out of Metsera Inc (MTSR) in Q4 2025, closing a stake of 18,730 shares — an estimated $980K sold.

Water Island Capital first reported a position in MTSR in Q3 2025 and held it in 1 quarter. The position peaked at $980K in Q3 2025. 1 fund tracked by Wall St. Rank holds MTSR as of Q4 2025.

  • Water Island Capital reported no remaining Metsera Inc position as of Q4 2025 after selling out during the quarter.
  • Water Island Capital sold 18,730 Metsera Inc shares in Q4 2025, an estimated $980K.
  • Water Island Capital first reported a position in Metsera Inc in Q3 2025 and held it in 1 quarter.
  • Water Island Capital's Metsera Inc position peaked at $980K in Q3 2025.
  • 1 fund tracked by Wall St. Rank held Metsera Inc as of Q4 2025.

Based on Water Island Capital's 13F filing for Q4 2025, filed 17 Feb 2026.