Citadel Advisors
MTSR

Citadel Advisors’s Metsera Inc MTSR Stock Holding History

Citadel Advisors’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
-27,526
Closed -$1.44M – 14542
2025
Q3 		$1.44M Sell
27,526
-203,292
-88% -$7.5M ﹤0.01% 6756
2025
Q2 		$6.57M Buy
230,818
+182,323
+376% +$4.53M ﹤0.01% 3662
2025
Q1 		$1.32M Buy
+48,495
New +$1.37M ﹤0.01% 6341

Other funds holding MTSR

IA
IFP Advisors Tampa, Florida $4.82B AUM 20.19% 1-Year Est. Return

Citadel Advisors's MTSR Position: Q4 2025 in Review

Citadel Advisors sold out of Metsera Inc (MTSR) in Q4 2025, closing a stake of 27,526 shares — an estimated $1.44M sold.

Citadel Advisors first reported a position in MTSR in Q1 2025 and held it in 3 quarters. The position peaked at $6.57M in Q2 2025. 1 fund tracked by Wall St. Rank holds MTSR as of Q4 2025.

  • Citadel Advisors reported no remaining Metsera Inc position as of Q4 2025 after selling out during the quarter.
  • Citadel Advisors sold 27,526 Metsera Inc shares in Q4 2025, an estimated $1.44M.
  • Citadel Advisors first reported a position in Metsera Inc in Q1 2025 and held it in 3 quarters.
  • Citadel Advisors's Metsera Inc position peaked at $6.57M in Q2 2025.
  • 1 fund tracked by Wall St. Rank held Metsera Inc as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.