Mizuho Securities USA
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Mizuho Securities USA’s AI Infrastructure Acquisition Corp AIIA Stock Holding History

Mizuho Securities USA’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
Q2 		$1.51M Buy
149,209
+73,183
+96% +$741K 0.02% 501
2026
Q1 		$756K Sell
76,026
-434,974
-85% -$4.36M 0.02% 592
2025
Q4 		$5.06M Buy
+511,000
New +$5.07M 0.08% 208

Other funds holding AIIA

Karpus Investment Management
Karpus Investment Management Pittsford, New York $3.48B AUM 10.49% 1-Year Est. Return
Wolverine Asset Management
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return
Polar Asset Management Partners
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2.1B AUM 2.15% 1-Year Est. Return
SONA Asset Management (US)
SONA Asset Management (US) New York $4.76B AUM 23.76% 1-Year Est. Return
AQR Arbitrage
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
MP
Mangrove Partners Greenwich, Connecticut $1.52B AUM 36.54% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
LSC
Logan Stone Capital Chicago, Illinois $473M AUM 0.79% 1-Year Est. Return

Mizuho Securities USA's AIIA Position: Q2 2026 in Review

Mizuho Securities USA increased its AI Infrastructure Acquisition Corp (AIIA) stake by 96% in Q2 2026, buying an estimated $741K and bringing the position to 149,209 shares worth $1.51M. The position accounts for 0.02% of the portfolio, ranked #501.

Mizuho Securities USA first reported a position in AIIA in Q4 2025 and has held it in 3 quarters since. The position peaked at $5.06M in Q4 2025. 39 funds tracked by Wall St. Rank hold AIIA as of Q2 2026.

  • Mizuho Securities USA held 149,209 shares of AI Infrastructure Acquisition Corp worth $1.51M as of Q2 2026.
  • Mizuho Securities USA bought 73,183 AI Infrastructure Acquisition Corp shares in Q2 2026, an estimated $741K.
  • AI Infrastructure Acquisition Corp made up 0.02% of Mizuho Securities USA's portfolio in Q2 2026, its #501 holding.
  • Mizuho Securities USA first reported a position in AI Infrastructure Acquisition Corp in Q4 2025 and has held it in 3 quarters since.
  • Mizuho Securities USA's AI Infrastructure Acquisition Corp position peaked at $5.06M in Q4 2025.
  • 39 funds tracked by Wall St. Rank held AI Infrastructure Acquisition Corp as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.