Marshall Wace’s Organon & Co OGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$11.2M Sell
828,133
-105,043
-11% -$1.26M 0.01% 991
2026
Q1
$5.59M Buy
933,176
+493,209
+112% +$3.71M 0.01% 1250
2025
Q4
$3.15M Buy
439,967
+365,124
+488% +$2.88M ﹤0.01% 1365
2025
Q3
$799K Sell
74,843
-4,339
-5% -$42.6K ﹤0.01% 2039
2025
Q2
$766K Buy
+79,182
New +$817K ﹤0.01% 1967
2025
Q1
Sell
-28,975
Closed -$432K 2959
2024
Q4
$432K Sell
28,975
-27,500
-49% -$448K ﹤0.01% 2097
2024
Q3
$1.08M Buy
+56,475
New +$1.17M ﹤0.01% 1625
2024
Q1
Sell
-168,405
Closed -$2.43M 2701
2023
Q4
$2.43M Sell
168,405
-244,379
-59% -$3.32M ﹤0.01% 1144
2023
Q3
$7.17M Buy
+412,784
New +$8.61M 0.01% 758
2023
Q2
Sell
-118,405
Closed -$2.78M 2820
2023
Q1
$2.78M Buy
+118,405
New +$3.18M 0.01% 1280
2022
Q4
Sell
-10,884
Closed -$255K 3281
2022
Q3
$255K Buy
+10,884
New +$329K ﹤0.01% 3001
2022
Q1
Sell
-72
Closed -$2K 3823
2021
Q4
$2K Buy
+72
New +$2.35K ﹤0.01% 3788

Other funds holding OGN

Marshall Wace's OGN Position: Q2 2026 in Review

Marshall Wace reduced its Organon & Co (OGN) stake by 11% in Q2 2026, selling an estimated $1.26M and leaving 828,133 shares worth $11.2M. The position accounts for 0.01% of the portfolio, ranked #991.

Marshall Wace first reported a position in OGN in Q4 2021 and has held it in 12 quarters since. 631 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

  • Marshall Wace held 828,133 shares of Organon & Co worth $11.2M as of Q2 2026.
  • Marshall Wace sold 105,043 Organon & Co shares in Q2 2026, an estimated $1.26M.
  • Organon & Co made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #991 holding.
  • Marshall Wace first reported a position in Organon & Co in Q4 2021 and has held it in 12 quarters since.
  • 631 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.