Westchester Capital Management (New York)’s Horizon Space Acquisition II Corp HSPT Stock Holding History

Westchester Capital Management (New York)’s Portfolio HSPT Stock Details HSPT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$223K	Sell	21,004 -383,896	-95%	-$3.86M	0.01%	236
2025 Q4	$4.27M	Hold	404,900	–	–	0.18%	98
2025 Q3	$4.19M	Hold	404,900	–	–	0.19%	101
2025 Q2	$4.15M	Hold	404,900	–	–	0.22%	76
2025 Q1	$4.09M	Buy	+404,900	New	+$4.07M	0.21%	65

Other funds holding HSPT

Clear Street New York $24.6B AUM 56.25% 1-Year Est. Return

GCL

Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

RCM

Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.79% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

LGM

L1 Global Manager Melbourne $149M AUM

Quarry LP New York $558M AUM 23.81% 1-Year Est. Return

RLH Capital Great Neck, New York $197M AUM

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Westchester Capital Management (New York)'s HSPT Position: Q1 2026 in Review

Westchester Capital Management (New York) reduced its Horizon Space Acquisition II Corp (HSPT) stake by 95% in Q1 2026, selling an estimated $3.86M and leaving 21,004 shares worth $223K. The position accounts for 0.01% of the portfolio, ranked #236.

Westchester Capital Management (New York) first reported a position in HSPT in Q1 2025 and has held it in 5 quarters since. The position peaked at $4.27M in Q4 2025. 12 funds tracked by Wall St. Rank hold HSPT as of Q1 2026.

Westchester Capital Management (New York) held 21,004 shares of Horizon Space Acquisition II Corp worth $223K as of Q1 2026.
Westchester Capital Management (New York) sold 383,896 Horizon Space Acquisition II Corp shares in Q1 2026, an estimated $3.86M.
Horizon Space Acquisition II Corp made up 0.01% of Westchester Capital Management (New York)'s portfolio in Q1 2026, its #236 holding.
Westchester Capital Management (New York) first reported a position in Horizon Space Acquisition II Corp in Q1 2025 and has held it in 5 quarters since.
Westchester Capital Management (New York)'s Horizon Space Acquisition II Corp position peaked at $4.27M in Q4 2025.
12 funds tracked by Wall St. Rank held Horizon Space Acquisition II Corp as of Q1 2026.

Based on Westchester Capital Management (New York)'s 13F filing for Q1 2026, filed 15 May 2026.