Marshall Wace
PSO icon

Marshall Wace’s Pearson PSO Stock Holding History

Marshall Wace’s Portfolio PSO Stock Details PSO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-464,036
Closed -$6.52M – 3587
2025
Q4 		$6.52M Buy
+464,036
New +$6.42M 0.01% 1036
2025
Q3 		– Sell
-190,870
Closed -$2.85M – 3306
2025
Q2 		$2.85M Buy
190,870
+107,538
+129% +$1.67M ﹤0.01% 1402
2025
Q1 		$1.33M Buy
+83,332
New +$1.37M ﹤0.01% 1655
2024
Q3 		– Sell
-115,963
Closed -$1.45M – 2872
2024
Q2 		$1.45M Buy
+115,963
New +$1.43M ﹤0.01% 1517
2023
Q4 		– Sell
-21,279
Closed -$224K – 2527
2023
Q3 		$224K Buy
21,279
+4,942
+30% +$52.9K ﹤0.01% 1955
2023
Q2 		$171K Buy
+16,337
New +$169K ﹤0.01% 2265
2022
Q4 		– Sell
-121,500
Closed -$1.16M – 3323
2022
Q3 		$1.16M Sell
121,500
-616,932
-84% -$6.14M ﹤0.01% 2338
2022
Q2 		$6.81M Sell
738,432
-534,076
-42% -$5.15M 0.01% 1136
2022
Q1 		$12.7M Buy
+1,272,508
New +$11.5M 0.02% 715
2021
Q4 		– Sell
-139,939
Closed -$1.35M – 4205
2021
Q3 		$1.35M Buy
139,939
+103,881
+288% +$1.13M 0.01% 1810
2021
Q2 		$419K Buy
+36,058
New +$421K ﹤0.01% 2207
2020
Q3 		– Sell
-97,067
Closed -$702K – 1858
2020
Q2 		$702K Sell
97,067
-165,052
-63% -$1.03M ﹤0.01% 1101
2020
Q1 		$1.81M Buy
+262,119
New +$1.91M 0.02% 659
2016
Q3 		– Sell
-20,600
Closed -$268K – 1096
2016
Q2 		$268K Sell
20,600
-9,029
-30% -$108K ﹤0.01% 910
2016
Q1 		$372K Sell
29,629
-49,684
-63% -$568K ﹤0.01% 898
2015
Q4 		$855K Buy
+79,313
New +$1.07M 0.01% 737

Other funds holding PSO

Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.68% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return

Marshall Wace's PSO Position: Q1 2026 in Review

Marshall Wace sold out of Pearson (PSO) in Q1 2026, closing a stake of 464,036 shares — an estimated $6.52M sold.

Marshall Wace first reported a position in PSO in Q4 2015 and held it in 16 quarters. The position peaked at $12.7M in Q1 2022. 199 funds tracked by Wall St. Rank hold PSO as of Q1 2026.

  • Marshall Wace reported no remaining Pearson position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 464,036 Pearson shares in Q1 2026, an estimated $6.52M.
  • Marshall Wace first reported a position in Pearson in Q4 2015 and held it in 16 quarters.
  • Marshall Wace's Pearson position peaked at $12.7M in Q1 2022.
  • 199 funds tracked by Wall St. Rank held Pearson as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.