Viking Global Investors
MTSR

Viking Global Investors’s Metsera Inc MTSR Stock Holding History

Viking Global Investors’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
Q3 		– Sell
-1,616,612
Closed -$46M – 98
2025
Q2 		$46M Hold
1,616,612
– – 0.13% 76
2025
Q1 		$44M Buy
+1,616,612
New +$45.8M 0.14% 77

Other funds holding MTSR

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AI
Alphabet Inc Mountain View, California $99.1B AUM 124.46% 1-Year Est. Return
VA
VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Viking Global Investors's MTSR Position: Q3 2025 in Review

Viking Global Investors sold out of Metsera Inc (MTSR) in Q3 2025, closing a stake of 1,616,612 shares — an estimated $46M sold.

Viking Global Investors first reported a position in MTSR in Q1 2025 and held it in 2 quarters. The position peaked at $46M in Q2 2025. 155 funds tracked by Wall St. Rank hold MTSR as of Q3 2025.

  • Viking Global Investors reported no remaining Metsera Inc position as of Q3 2025 after selling out during the quarter.
  • Viking Global Investors sold 1,616,612 Metsera Inc shares in Q3 2025, an estimated $46M.
  • Viking Global Investors first reported a position in Metsera Inc in Q1 2025 and held it in 2 quarters.
  • Viking Global Investors's Metsera Inc position peaked at $46M in Q2 2025.
  • 155 funds tracked by Wall St. Rank held Metsera Inc as of Q3 2025.

Based on Viking Global Investors's 13F filing for Q3 2025, filed 14 Nov 2025.