Jane Street
MTSR

Jane Street’s Metsera Inc MTSR Stock Holding History

Jane Street’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
-13,400
Closed -$701K – 12792
2025
Q3 		$701K Buy
+13,400
New +$495K ﹤0.01% 7091

Other funds holding MTSR

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

Jane Street's MTSR Position: Q4 2025 in Review

Jane Street sold out of Metsera Inc (MTSR) in Q4 2025, closing a stake of 59,451 shares — an estimated $3.11M sold.

Jane Street first reported a position in MTSR in Q3 2025 and held it in 1 quarter. The position peaked at $3.11M in Q3 2025. 1 fund tracked by Wall St. Rank holds MTSR as of Q4 2025.

  • Jane Street reported no remaining Metsera Inc position as of Q4 2025 after selling out during the quarter.
  • Jane Street sold 59,451 Metsera Inc shares in Q4 2025, an estimated $3.11M.
  • Jane Street first reported a position in Metsera Inc in Q3 2025 and held it in 1 quarter.
  • Jane Street's Metsera Inc position peaked at $3.11M in Q3 2025.
  • 1 fund tracked by Wall St. Rank held Metsera Inc as of Q4 2025.

Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.