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Deerfield Management’s Organon & Co OGN Stock Holding History

Deerfield Management’s Portfolio OGN Stock Details OGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-16,388
Closed -$175K – 169
2025
Q3 		$175K Hold
16,388
– – ﹤0.01% 142
2025
Q2 		$159K Buy
+16,388
New +$169K ﹤0.01% 111

Other funds holding OGN

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
KBG
Kahn Brothers Group New York $633M AUM 39.01% 1-Year Est. Return

Deerfield Management's OGN Position: Q4 2025 in Review

Deerfield Management sold out of Organon & Co (OGN) in Q4 2025, closing a stake of 16,388 shares — an estimated $175K sold.

Deerfield Management first reported a position in OGN in Q2 2025 and held it in 2 quarters. The position peaked at $175K in Q3 2025. 634 funds tracked by Wall St. Rank hold OGN as of Q4 2025.

  • Deerfield Management reported no remaining Organon & Co position as of Q4 2025 after selling out during the quarter.
  • Deerfield Management sold 16,388 Organon & Co shares in Q4 2025, an estimated $175K.
  • Deerfield Management first reported a position in Organon & Co in Q2 2025 and held it in 2 quarters.
  • Deerfield Management's Organon & Co position peaked at $175K in Q3 2025.
  • 634 funds tracked by Wall St. Rank held Organon & Co as of Q4 2025.

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