Mariner
PSO icon

Mariner’s Pearson PSO Stock Holding History

Mariner’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 		$1.87M Sell
142,332
-3,633
-2% -$47.2K ﹤0.01% 1555
2025
Q4 		$2.05M Sell
145,965
-17,280
-11% -$239K ﹤0.01% 1493
2025
Q3 		$2.31M Sell
163,245
-43,150
-21% -$621K ﹤0.01% 1348
2025
Q2 		$3.08M Buy
206,395
+7,397
+4% +$115K ﹤0.01% 1093
2025
Q1 		$3.19M Sell
198,998
-1,243
-0.6% -$20.4K 0.01% 993
2024
Q4 		$3.23M Buy
200,241
+12,515
+7% +$187K 0.01% 978
2024
Q3 		$2.55M Buy
187,726
+22,158
+13% +$297K ﹤0.01% 1071
2024
Q2 		$2.07M Sell
165,568
-8,052
-5% -$99.2K ﹤0.01% 1093
2024
Q1 		$2.28M Buy
173,620
+5,051
+3% +$62.8K ﹤0.01% 1046
2023
Q4 		$2.07M Buy
168,569
+36,052
+27% +$419K ﹤0.01% 1042
2023
Q3 		$1.4M Buy
132,517
+39,939
+43% +$428K ﹤0.01% 1155
2023
Q2 		$970K Buy
92,578
+11,566
+14% +$119K ﹤0.01% 1333
2023
Q1 		$846K Sell
81,012
-13,879
-15% -$150K ﹤0.01% 1366
2022
Q4 		$1.07M Buy
94,891
+10,417
+12% +$114K ﹤0.01% 1205
2022
Q3 		$807K Buy
84,474
+56,330
+200% +$561K ﹤0.01% 1155
2022
Q2 		$259K Buy
28,144
+3,989
+17% +$38.5K ﹤0.01% 1321
2022
Q1 		$241K Buy
+24,155
New +$218K ﹤0.01% 1338

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

Mariner's PSO Position: Q1 2026 in Review

Mariner reduced its Pearson (PSO) stake by 2.5% in Q1 2026, selling an estimated $47.2K and leaving 142,332 shares worth $1.87M. The position accounts for ﹤0.01% of the portfolio, ranked #1555.

Mariner first reported a position in PSO in Q1 2022 and has held it in 17 quarters since. The position peaked at $3.23M in Q4 2024. 199 funds tracked by Wall St. Rank hold PSO as of Q1 2026.

  • Mariner held 142,332 shares of Pearson worth $1.87M as of Q1 2026.
  • Mariner sold 3,633 Pearson shares in Q1 2026, an estimated $47.2K.
  • Pearson made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1555 holding.
  • Mariner first reported a position in Pearson in Q1 2022 and has held it in 17 quarters since.
  • Mariner's Pearson position peaked at $3.23M in Q4 2024.
  • 199 funds tracked by Wall St. Rank held Pearson as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.