Simplex Trading
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Simplex Trading’s Organon & Co OGN Stock Holding History

Simplex Trading’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
Q3 		– Sell
-1,608
Closed -$15.8K – 9767
2025
Q2 		$15K Buy
+1,608
New +$16.6K ﹤0.01% 7019
2025
Q1 		– Sell
-84,541
Closed -$1.3M – 9310
2024
Q4 		$1.26M Sell
84,541
-7,606
-8% -$124K ﹤0.01% 2622
2024
Q3 		$1.76M Buy
92,147
+20,561
+29% +$426K ﹤0.01% 2390
2024
Q2 		$1.48M Sell
71,586
-64,832
-48% -$1.29M ﹤0.01% 2501
2024
Q1 		$2.56M Buy
136,418
+6,323
+5% +$109K ﹤0.01% 2156
2023
Q4 		$1.88M Buy
+130,095
New +$1.77M ﹤0.01% 2421
2023
Q2 		– Sell
-19,295
Closed -$419K – 9644
2023
Q1 		$453K Buy
+19,295
New +$518K ﹤0.01% 3377
2022
Q4 		– Sell
-10,302
Closed -$263K – 10057
2022
Q3 		$241K Buy
+10,302
New +$311K ﹤0.01% 4378
2022
Q2 		– Sell
-2,444
Closed -$85.6K – 10742
2022
Q1 		$85K Buy
+2,444
New +$83.6K ﹤0.01% 6381
2021
Q4 		– Sell
-10,485
Closed -$342K – 11142
2021
Q3 		$323K Buy
10,485
+2,651
+34% +$84.8K ﹤0.01% 4789
2021
Q2 		$237K Buy
+7,834
New +$258K ﹤0.01% 5404

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

Simplex Trading's OGN Position: Q3 2025 in Review

Simplex Trading sold out of Organon & Co (OGN) in Q3 2025, closing a stake of 1,608 shares — an estimated $15.8K sold.

Simplex Trading first reported a position in OGN in Q2 2021 and held it in 11 quarters. The position peaked at $2.56M in Q1 2024. 669 funds tracked by Wall St. Rank hold OGN as of Q3 2025.

  • Simplex Trading reported no remaining Organon & Co position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 1,608 Organon & Co shares in Q3 2025, an estimated $15.8K.
  • Simplex Trading first reported a position in Organon & Co in Q2 2021 and held it in 11 quarters.
  • Simplex Trading's Organon & Co position peaked at $2.56M in Q1 2024.
  • 669 funds tracked by Wall St. Rank held Organon & Co as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.