XT
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XTX Topco’s Organon & Co OGN Stock Holding History

XTX Topco’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
2026
Q1 		– Sell
-261,293
Closed -$1.87M – 4212
2025
Q4 		$1.87M Buy
261,293
+146,001
+127% +$1.15M 0.05% 605
2025
Q3 		$1.23M Buy
115,292
+104,198
+939% +$1.02M 0.06% 445
2025
Q2 		$107K Buy
+11,094
New +$114K ﹤0.01% 1872
2025
Q1 		– Sell
-16,840
Closed -$251K – 2893
2024
Q4 		$251K Sell
16,840
-21,383
-56% -$348K 0.02% 1362
2024
Q3 		$731K Buy
38,223
+5,219
+16% +$108K 0.05% 574
2024
Q2 		$683K Buy
+33,004
New +$656K 0.06% 514
2021
Q4 		– Sell
-7,661
Closed -$251K – 909
2021
Q3 		$251K Buy
+7,661
New +$245K 0.08% 406

Other funds holding OGN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
KBG
Kahn Brothers Group New York $564M AUM 25.3% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return

XTX Topco's OGN Position: Q1 2026 in Review

XTX Topco sold out of Organon & Co (OGN) in Q1 2026, closing a stake of 261,293 shares — an estimated $1.87M sold.

XTX Topco first reported a position in OGN in Q3 2021 and held it in 7 quarters. The position peaked at $1.87M in Q4 2025. 603 funds tracked by Wall St. Rank hold OGN as of Q1 2026.

  • XTX Topco reported no remaining Organon & Co position as of Q1 2026 after selling out during the quarter.
  • XTX Topco sold 261,293 Organon & Co shares in Q1 2026, an estimated $1.87M.
  • XTX Topco first reported a position in Organon & Co in Q3 2021 and held it in 7 quarters.
  • XTX Topco's Organon & Co position peaked at $1.87M in Q4 2025.
  • 603 funds tracked by Wall St. Rank held Organon & Co as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.