Magnetar Financial
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Magnetar Financial’s Keystone Acquisition Corp Warrants KEYYW Stock Holding History

Magnetar Financial’s Portfolio KEYYW Stock Details KEYYW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$365K Buy
+1,000,000
New +$381K ﹤0.01% 976

Other funds holding KEYYW

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $64.4B AUM 36.06% 1-Year Est. Return
Centiva Capital
Centiva Capital New York $9.07B AUM 23.43% 1-Year Est. Return
Verition Fund Management
Verition Fund Management Greenwich, Connecticut $18B AUM 27.48% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $294B AUM 47.59% 1-Year Est. Return
Periscope Capital
Periscope Capital Toronto, Ontario, Canada $990M AUM 4.73% 1-Year Est. Return
Picton Mahoney Asset Management
Picton Mahoney Asset Management Toronto, Ontario, Canada $14.8B AUM 38.11% 1-Year Est. Return
Shaolin Capital Management
Shaolin Capital Management Miami, Florida $2.42B AUM 0.61% 1-Year Est. Return
KPF
K2 Principal Fund Toronto, Ontario, Canada $1.2B AUM 6.57% 1-Year Est. Return
Commonwealth of Pennsylvania Public School Employees Retirement System
Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $21.9B AUM 28.42% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $33B AUM 30.04% 1-Year Est. Return

Magnetar Financial's KEYYW Position: Q3 2026 in Review

Magnetar Financial opened a new position in Keystone Acquisition Corp Warrants (KEYYW) in Q3 2026: 1,000,000 shares worth $365K. The stake represents ﹤0.01% of the portfolio and ranks #976 among its holdings.

15 funds tracked by Wall St. Rank hold KEYYW as of Q3 2026.

  • Magnetar Financial held 1,000,000 shares of Keystone Acquisition Corp Warrants worth $365K as of Q3 2026.
  • Keystone Acquisition Corp Warrants was a new Magnetar Financial position in Q3 2026.
  • Keystone Acquisition Corp Warrants made up ﹤0.01% of Magnetar Financial's portfolio in Q3 2026, its #976 holding.
  • 15 funds tracked by Wall St. Rank held Keystone Acquisition Corp Warrants as of Q3 2026.

Based on Magnetar Financial's 13F filing for Q3 2026, filed 13 Nov 2026.