Horizon Space Acquisition I Corp. - Ordinary Shares, par value $0.0001 per share (HSPOF) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2023 to Q3 2025

Type / Class
Equity / Ordinary Shares, par value $0.0001 per share
Symbol
HSPOF on OTC
Shares outstanding
4,168,989
Price per share
$11.80
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
1,737,560
Total reported value
$21,373,487
% of total 13F portfolios
0%
Share change
-6,837
Value change
-$84,221
Number of holders
13
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Horizon Space Acquisition I Corp. - Ordinary Shares, par value $0.0001 per share (HSPOF) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MIZUHO FINANCIAL GROUP INC 9% 0% $4,481,872 -$11.95 375,209 -0% Mizuho Financial Group, Inc. 30 Jun 2025
First Trust Capital Management L.P. 7.2% +84% $3,528,000 300,000 0% First Trust Capital Management L.P. 31 Mar 2025
Westchester Capital Management, LLC 7.1% $3,492,720 297,000 Westchester Capital Management, LLC 31 Dec 2024
Karpus Management, Inc. 1.3% $1,176,000 100,000 KARPUS MANAGEMENT, INC. 31 Dec 2024

As of 30 Sep 2025, 13 institutional investors reported holding 1,737,560 shares of Horizon Space Acquisition I Corp. - Ordinary Shares, par value $0.0001 per share (HSPOF). This represents 42% of the company’s total 4,168,989 outstanding shares.

Top 13 Institutional Shareholders

The largest institutional shareholders of Horizon Space Acquisition I Corp. - Ordinary Shares, par value $0.0001 per share (HSPOF) together control 42% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
MIZUHO SECURITIES USA LLC 9% 375,209 0% 0.09% $4,588,806
WOLVERINE ASSET MANAGEMENT LLC 8.8% 365,655 -0.38% 0.07% $4,504,869
First Trust Capital Management L.P. 7.2% 300,000 0% 0.24% $3,696,000
Westchester Capital Management, LLC 7.1% 297,000 0% 0.19% $3,659,040
BERKLEY W R CORP 4.9% 205,129 0% 0.16% $2,527,189
Polar Asset Management Partners Inc. 3.6% 150,000 0% 0.04% $1,848,000
Quarry LP 0.41% 17,237 +2% 0.05% $212,877
UBS Group AG 0.28% 11,649 -2.1% 0% $143,516
TORONTO DOMINION BANK 0.24% 10,000 -39% 0% $123,200
Clear Street Group Inc. 0.11% 4,764 0% 0% $58,692
Crossingbridge Advisors, LLC 0.02% 633 0% $7,799
PenderFund Capital Management Ltd. 0.01% 269 +417% 0% $3,314
MORGAN STANLEY 0% 15 +50% 0% $185

Institutional Holders of Horizon Space Acquisition I Corp. - Ordinary Shares, par value $0.0001 per share (HSPOF) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 1,737,560 $21,373,487 -$84,221 $12.32 13
2025 Q2 1,744,497 $20,930,278 -$333,782 $11.99 12
2025 Q1 1,772,619 $21,017,821 -$875,774 $11.89 11
2024 Q4 1,851,524 $21,220,679 -$39,519,348 $11.40 8
2024 Q3 5,411,850 $60,628,371 -$2,915,704 $11.21 21
2024 Q2 5,399,192 $59,546,549 +$530,107 $11.04 24
2024 Q1 5,356,173 $58,262,767 -$9,329,595 $10.88 25
2023 Q4 5,969,908 $64,019,787 +$1,951,234 $10.73 28
2023 Q3 5,795,887 $61,170,657 +$3,487,880 $10.56 31
2023 Q2 5,483,659 $57,003,770 +$1,335,385 $10.39 27
2023 Q1 5,563,470 $56,830,143 +$56,830,143 $10.22 24