Magnetar Financial
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Magnetar Financial’s AI Infrastructure Acquisition Corp AIIA Stock Holding History

Magnetar Financial’s Portfolio AIIA Stock Details AIIA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$1.8M Hold
175,000
– – 0.02% 346
2026
Q2 		$1.79M Hold
175,000
– – 0.02% 335
2026
Q1 		$1.76M Hold
175,000
– – 0.02% 342
2025
Q4 		$1.74M Buy
+175,000
New +$1.74M 0.02% 364

Other funds holding AIIA

Karpus Investment Management
Karpus Investment Management Pittsford, New York $3.34B AUM 3.39% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $33B AUM 30.04% 1-Year Est. Return
Wolverine Asset Management
Wolverine Asset Management Chicago, Illinois $14.9B AUM 3.61% 1-Year Est. Return
Crossingbridge Advisors
Crossingbridge Advisors Pleasantville, New York $571M AUM 0.32% 1-Year Est. Return
Mizuho Securities USA
Mizuho Securities USA New York $6.3B AUM 30.7% 1-Year Est. Return
Westchester Capital Management (New York)
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 22.91% 1-Year Est. Return
Shaolin Capital Management
Shaolin Capital Management Miami, Florida $2.42B AUM 0.61% 1-Year Est. Return
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $191B AUM 30.51% 1-Year Est. Return
RLH Capital
RLH Capital Great Neck, New York $277M AUM
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $294B AUM 47.59% 1-Year Est. Return

Magnetar Financial's AIIA Position: Q3 2026 in Review

Magnetar Financial held its AI Infrastructure Acquisition Corp (AIIA) position steady in Q3 2026 at 175,000 shares worth $1.8M. The position accounts for 0.02% of the portfolio, ranked #346.

Magnetar Financial first reported a position in AIIA in Q4 2025 and has held it in 4 quarters since. 19 funds tracked by Wall St. Rank hold AIIA as of Q3 2026.

  • Magnetar Financial held 175,000 shares of AI Infrastructure Acquisition Corp worth $1.8M as of Q3 2026.
  • Magnetar Financial left its AI Infrastructure Acquisition Corp share count unchanged in Q3 2026.
  • AI Infrastructure Acquisition Corp made up 0.02% of Magnetar Financial's portfolio in Q3 2026, its #346 holding.
  • Magnetar Financial first reported a position in AI Infrastructure Acquisition Corp in Q4 2025 and has held it in 4 quarters since.
  • 19 funds tracked by Wall St. Rank held AI Infrastructure Acquisition Corp as of Q3 2026.

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