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Magnetar Financial’s Assured Guaranty AGO Stock Holding History

Magnetar Financial’s Portfolio AGO Stock Details AGO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2014
Q1 		– Sell
-29,700
Closed -$701K – 223
2013
Q4 		$701K Buy
29,700
+19,500
+191% +$424K 0.01% 178
2013
Q3 		$191K Buy
+10,200
New +$216K ﹤0.01% 465

Other funds holding AGO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.11B AUM 38.38% 1-Year Est. Return
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return

Magnetar Financial's AGO Position: Q2 2026 in Review

Magnetar Financial reduced its Assured Guaranty (AGO) stake by 92% in Q2 2026, selling an estimated $3.53M and leaving 3,681 shares worth $295K. The position accounts for ﹤0.01% of the portfolio, ranked #792.

Magnetar Financial first reported a position in AGO in Q2 2019 and has held it in 7 quarters since. The position peaked at $3.95M in Q1 2026. 370 funds tracked by Wall St. Rank hold AGO as of Q2 2026.

  • Magnetar Financial held 3,681 shares of Assured Guaranty worth $295K as of Q2 2026.
  • Magnetar Financial sold 44,750 Assured Guaranty shares in Q2 2026, an estimated $3.53M.
  • Assured Guaranty made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #792 holding.
  • Magnetar Financial first reported a position in Assured Guaranty in Q2 2019 and has held it in 7 quarters since.
  • Magnetar Financial's Assured Guaranty position peaked at $3.95M in Q1 2026.
  • 370 funds tracked by Wall St. Rank held Assured Guaranty as of Q2 2026.

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