Janus Henderson Group
MTSR

Janus Henderson Group’s Metsera Inc MTSR Stock Holding History

Janus Henderson 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
-5,352,751
Closed -$280M – 2492
2025
Q3 		$280M Buy
5,352,751
+1,964,788
+58% +$72.5M 0.13% 153
2025
Q2 		$96.4M Buy
3,387,963
+482,501
+17% +$12M 0.05% 270
2025
Q1 		$81.3M Buy
+2,905,462
New +$82.4M 0.04% 291

Other funds holding MTSR

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

Janus Henderson Group's MTSR Position: Q4 2025 in Review

Janus Henderson Group sold out of Metsera Inc (MTSR) in Q4 2025, closing a stake of 5,352,751 shares — an estimated $280M sold.

Janus Henderson Group first reported a position in MTSR in Q1 2025 and held it in 3 quarters. The position peaked at $280M in Q3 2025. 1 fund tracked by Wall St. Rank holds MTSR as of Q4 2025.

  • Janus Henderson Group reported no remaining Metsera Inc position as of Q4 2025 after selling out during the quarter.
  • Janus Henderson Group sold 5,352,751 Metsera Inc shares in Q4 2025, an estimated $280M.
  • Janus Henderson Group first reported a position in Metsera Inc in Q1 2025 and held it in 3 quarters.
  • Janus Henderson Group's Metsera Inc position peaked at $280M in Q3 2025.
  • 1 fund tracked by Wall St. Rank held Metsera Inc as of Q4 2025.

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