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Magnetar Financial’s Polaris PII Stock Holding History

Magnetar Financial’s Portfolio PII Stock Details PII Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-56,150
Closed -$3.55M – 1336
2025
Q4 		$3.55M Buy
+56,150
New +$3.7M 0.03% 250
2024
Q1 		– Sell
-6,697
Closed -$635K – 465
2023
Q4 		$635K Buy
+6,697
New +$613K 0.02% 290
2021
Q2 		– Sell
-2,826
Closed -$377K – 1335
2021
Q1 		$377K Buy
+2,826
New +$344K ﹤0.01% 885
2020
Q4 		– Sell
-5,379
Closed -$507K – 854
2020
Q3 		$507K Buy
+5,379
New +$530K 0.01% 438
2020
Q2 		– Sell
-11,661
Closed -$561K – 552
2020
Q1 		$561K Buy
+11,661
New +$957K 0.01% 260
2018
Q4 		– Sell
-2,114
Closed -$213K – 450
2018
Q3 		$213K Buy
+2,114
New +$236K ﹤0.01% 444

Other funds holding PII

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Magnetar Financial's PII Position: Q1 2026 in Review

Magnetar Financial sold out of Polaris (PII) in Q1 2026, closing a stake of 56,150 shares — an estimated $3.55M sold.

Magnetar Financial first reported a position in PII in Q3 2018 and held it in 6 quarters. The position peaked at $3.55M in Q4 2025. 448 funds tracked by Wall St. Rank hold PII as of Q1 2026.

  • Magnetar Financial reported no remaining Polaris position as of Q1 2026 after selling out during the quarter.
  • Magnetar Financial sold 56,150 Polaris shares in Q1 2026, an estimated $3.55M.
  • Magnetar Financial first reported a position in Polaris in Q3 2018 and held it in 6 quarters.
  • Magnetar Financial's Polaris position peaked at $3.55M in Q4 2025.
  • 448 funds tracked by Wall St. Rank held Polaris as of Q1 2026.

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