SEI Investments
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SEI Investments’s Organon & Co OGN Stock Holding History

SEI Investments’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
Q2 		$1.6M Sell
118,511
-71,546
-38% -$856K ﹤0.01% 2054
2026
Q1 		$1.14M Buy
190,057
+85,657
+82% +$645K ﹤0.01% 2300
2025
Q4 		$748K Sell
104,400
-553,895
-84% -$4.38M ﹤0.01% 2319
2025
Q3 		$7.03M Buy
658,295
+9,307
+1% +$91.3K 0.01% 1157
2025
Q2 		$6.28M Sell
648,988
-11,627
-2% -$120K 0.01% 1168
2025
Q1 		$9.84M Buy
660,615
+16,479
+3% +$253K 0.01% 976
2024
Q4 		$9.61M Sell
644,136
-43,155
-6% -$703K 0.01% 1004
2024
Q3 		$13.1M Buy
687,291
+99,173
+17% +$2.06M 0.02% 868
2024
Q2 		$12.2M Buy
588,118
+17,206
+3% +$342K 0.02% 837
2024
Q1 		$10.7M Buy
570,912
+135,373
+31% +$2.32M 0.02% 881
2023
Q4 		$6.28M Sell
435,539
-15,928
-4% -$217K 0.01% 1081
2023
Q3 		$7.84M Buy
451,467
+2,438
+0.5% +$50.8K 0.01% 961
2023
Q2 		$9.34M Buy
449,029
+33,252
+8% +$723K 0.02% 912
2023
Q1 		$9.78M Buy
415,777
+109,720
+36% +$2.95M 0.02% 859
2022
Q4 		$8.55M Buy
306,057
+5,791
+2% +$148K 0.02% 797
2022
Q3 		$7.03M Sell
300,266
-81,357
-21% -$2.46M 0.02% 924
2022
Q2 		$12.9M Buy
381,623
+2,430
+0.6% +$85.1K 0.03% 654
2022
Q1 		$13.1M Buy
379,193
+20,432
+6% +$699K 0.03% 655
2021
Q4 		$10.8M Buy
358,761
+59,830
+20% +$1.95M 0.02% 759
2021
Q3 		$9.69M Buy
298,931
+175,274
+142% +$5.61M 0.02% 756
2021
Q2 		$3.39M Buy
+123,657
New +$4.07M 0.01% 1270

Other funds holding OGN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $16.4B AUM 55.44% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

SEI Investments's OGN Position: Q2 2026 in Review

SEI Investments reduced its Organon & Co (OGN) stake by 38% in Q2 2026, selling an estimated $856K and leaving 118,511 shares worth $1.6M. The position accounts for ﹤0.01% of the portfolio, ranked #2054.

SEI Investments first reported a position in OGN in Q2 2021 and has held it in 21 quarters since. The position peaked at $13.1M in Q3 2024. 631 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

  • SEI Investments held 118,511 shares of Organon & Co worth $1.6M as of Q2 2026.
  • SEI Investments sold 71,546 Organon & Co shares in Q2 2026, an estimated $856K.
  • Organon & Co made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #2054 holding.
  • SEI Investments first reported a position in Organon & Co in Q2 2021 and has held it in 21 quarters since.
  • SEI Investments's Organon & Co position peaked at $13.1M in Q3 2024.
  • 631 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.