MSU
HSPO

Mizuho Securities USA’s Horizon Space Acquisition I Corp HSPO Stock Holding History

Mizuho Securities USA’s Portfolio HSPO Stock Details HSPO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-375,209
Closed -$4.59M – 707
2025
Q3 		$4.59M Hold
375,209
– – 0.09% 215
2025
Q2 		$4.46M Sell
375,209
-1
-0% -$12 0.1% 226
2025
Q1 		$4.39M Sell
375,210
-24,290
-6% -$284K 0.09% 224
2024
Q4 		$4.51M Sell
399,500
-226,571
-36% -$2.56M 0.08% 232
2024
Q3 		$7M Buy
626,071
+274,215
+78% +$3.05M 0.15% 117
2024
Q2 		$3.85M Buy
351,856
+43,467
+14% +$476K 0.09% 216
2024
Q1 		$3.34M Sell
308,389
-97,243
-24% -$1.05M 0.08% 58
2023
Q4 		$4.32M Sell
405,632
-238,368
-37% -$2.53M 0.1% 51
2023
Q3 		$6.76M Buy
644,000
+343,251
+114% +$3.61M 0.2% 30
2023
Q2 		$3.07M Buy
300,749
+53,848
+22% +$556K 0.1% 82
2023
Q1 		$2.48M Buy
+246,901
New +$2.51M 0.14% 89

Mizuho Securities USA's HSPO Position: Q4 2025 in Review

Mizuho Securities USA sold out of Horizon Space Acquisition I Corp (HSPO) in Q4 2025, closing a stake of 375,209 shares — an estimated $4.59M sold.

Mizuho Securities USA first reported a position in HSPO in Q1 2023 and held it in 11 quarters. The position peaked at $7M in Q3 2024. 0 funds tracked by Wall St. Rank hold HSPO as of Q4 2025.

  • Mizuho Securities USA reported no remaining Horizon Space Acquisition I Corp position as of Q4 2025 after selling out during the quarter.
  • Mizuho Securities USA sold 375,209 Horizon Space Acquisition I Corp shares in Q4 2025, an estimated $4.59M.
  • Mizuho Securities USA first reported a position in Horizon Space Acquisition I Corp in Q1 2023 and held it in 11 quarters.
  • Mizuho Securities USA's Horizon Space Acquisition I Corp position peaked at $7M in Q3 2024.
  • 0 funds tracked by Wall St. Rank held Horizon Space Acquisition I Corp as of Q4 2025.

Based on Mizuho Securities USA's 13F filing for Q4 2025, filed 9 Feb 2026.