Wellington Management Group
MTSR

Wellington Management Group’s Metsera Inc MTSR Stock Holding History

Wellington Management Group’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
-3,659,465
Closed -$191M – 2117
2025
Q3 		$191M Buy
3,659,465
+232,033
+7% +$8.56M 0.03% 392
2025
Q2 		$97.5M Buy
3,427,432
+1,025,441
+43% +$25.5M 0.02% 524
2025
Q1 		$65.4M Buy
+2,401,991
New +$68.1M 0.01% 605

Other funds holding MTSR

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

Wellington Management Group's MTSR Position: Q4 2025 in Review

Wellington Management Group sold out of Metsera Inc (MTSR) in Q4 2025, closing a stake of 3,659,465 shares — an estimated $191M sold.

Wellington Management Group first reported a position in MTSR in Q1 2025 and held it in 3 quarters. The position peaked at $191M in Q3 2025. 1 fund tracked by Wall St. Rank holds MTSR as of Q4 2025.

  • Wellington Management Group reported no remaining Metsera Inc position as of Q4 2025 after selling out during the quarter.
  • Wellington Management Group sold 3,659,465 Metsera Inc shares in Q4 2025, an estimated $191M.
  • Wellington Management Group first reported a position in Metsera Inc in Q1 2025 and held it in 3 quarters.
  • Wellington Management Group's Metsera Inc position peaked at $191M in Q3 2025.
  • 1 fund tracked by Wall St. Rank held Metsera Inc as of Q4 2025.

Based on Wellington Management Group's 13F filing for Q4 2025, filed 17 Feb 2026.