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Magnetar Financial’s Selective Insurance SIGI Stock Holding History

Magnetar Financial’s Portfolio SIGI Stock Details SIGI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-5,399
Closed -$407K – 1433
2026
Q1 		$407K Buy
+5,399
New +$442K ﹤0.01% 681
2023
Q3 		– Sell
-2,546
Closed -$244K – 565
2023
Q2 		$244K Buy
+2,546
New +$251K 0.01% 419

Other funds holding SIGI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
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
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Magnetar Financial's SIGI Position: Q2 2026 in Review

Magnetar Financial sold out of Selective Insurance (SIGI) in Q2 2026, closing a stake of 5,399 shares — an estimated $407K sold.

Magnetar Financial first reported a position in SIGI in Q2 2023 and held it in 2 quarters. The position peaked at $407K in Q1 2026. 375 funds tracked by Wall St. Rank hold SIGI as of Q2 2026.

  • Magnetar Financial reported no remaining Selective Insurance position as of Q2 2026 after selling out during the quarter.
  • Magnetar Financial sold 5,399 Selective Insurance shares in Q2 2026, an estimated $407K.
  • Magnetar Financial first reported a position in Selective Insurance in Q2 2023 and held it in 2 quarters.
  • Magnetar Financial's Selective Insurance position peaked at $407K in Q1 2026.
  • 375 funds tracked by Wall St. Rank held Selective Insurance as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.