Latest Period
Q4 2025
Security Snapshot
Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share (HSPT) Institutional Ownership
CUSIP: G4627B103
13F Institutional Holders and Ownership History from Q1 2025 to Q1 2026
Institutions Reporting
22
Shares (Excl. Options)
6,157,873
Price
$10.54
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place.
- Type / Class
- Equity / Ordinary Shares, par value $0.0001 per share
- Symbol
- HSPT on Nasdaq
- Shares outstanding
- 9,115,942
- Price per share
- $7.15
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 6,157,873
- Total reported value
- $64,753,110
- % of total 13F portfolios
- 0%
- Share change
- +182,107
- Value change
- +$1,905,503
- Number of holders
- 22
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- HSPT - Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G4627B103.
- 22 institutions reported positions in Q4 2025.
- 5 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 22 to 1 between Q4 2025 and Q1 2026.
- Reported value moved from $64,753,110 to $52,197.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 22 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP G4627B103?
CUSIP G4627B103 identifies HSPT - Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G4627B103:
Significant Owners of Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share (HSPT) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BERKLEY W R CORP | 7.4% | +28% | $6,905,303 | +$1,561,016 | 674,346 | +29% | W. R. Berkley Corporation | 30 Jun 2025 |
| MIZUHO FINANCIAL GROUP INC | 6.9% | 0% | $6,440,960 | +$40,407 | 629,000 | +0.63% | Mizuho Financial Group, Inc. | 30 Jun 2025 |
| Polar Asset Management Partners Inc. | 5.8% | $5,313,000 | 525,000 | Polar Asset Management Partners Inc. | 31 Mar 2025 | |||
| BARCLAYS PLC | 5.1% | $4,731,485 | 467,538 | Barclays PLC | 31 Mar 2025 | |||
| AQR CAPITAL MANAGEMENT LLC | 4.7% | -23% | $4,298,581 | -$1,267,419 | 424,761 | -23% | AQR Capital Management, LLC | 31 Mar 2025 |
As of 31 Dec 2025, 22 institutional investors reported holding 6,157,873 shares of Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share (HSPT). This represents 68% of the company’s total 9,115,942 outstanding shares.
Top 22 Institutional Shareholders
The largest institutional shareholders of Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share (HSPT) together control 68% 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 |
|---|---|---|---|---|---|
| BERKLEY W R CORP | 7.9% | 722,015 | -0.04% | 0.43% | $7,610,038 |
| MIZUHO SECURITIES USA LLC | 7.6% | 696,145 | +9.6% | 0.12% | $7,178,680 |
| WOLVERINE ASSET MANAGEMENT LLC | 7% | 641,151 | -2.3% | 0.1% | $6,757,732 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 6.5% | 592,400 | +39% | 0.3% | $6,243,896 |
| BOOTHBAY FUND MANAGEMENT, LLC | 6.3% | 574,990 | 0% | 0.16% | $6,063,270 |
| Polar Asset Management Partners Inc. | 5.8% | 525,000 | 0% | 0.11% | $5,536,125 |
| AQR Arbitrage LLC | 4.5% | 414,354 | 0% | 0.09% | $4,367,291 |
| Westchester Capital Management, LLC | 4.4% | 404,900 | 0% | 0.2% | $4,267,646 |
| Hudson Bay Capital Management LP | 4.4% | 400,000 | 0% | 0.02% | $4,216,000 |
| D. E. Shaw & Co., Inc. | 2.7% | 250,000 | 0% | 0% | $2,635,000 |
| TWO SIGMA INVESTMENTS, LP | 2.4% | 217,499 | 0% | 0% | $2,292,439 |
| TORONTO DOMINION BANK | 2.1% | 191,614 | -13% | 0% | $2,020,570 |
| Glazer Capital, LLC | 1.8% | 162,346 | -7.3% | 0.05% | $1,711,000 |
| L1 Global Manager Pty Ltd | 1.6% | 150,000 | 0% | 1% | $1,581,750 |
| GOLDMAN SACHS GROUP INC | 1.4% | 125,339 | 0% | 0% | $1,321,073 |
| Clear Street Group Inc. | 0.52% | 47,072 | +22% | 0% | $496,374 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 0.22% | 20,000 | 0% | 0.08% | $210,800 |
| Radcliffe Capital Management, L.P. | 0.16% | 15,017 | 0% | 0.01% | $158,655 |
| Quarry LP | 0.05% | 4,957 | 0.01% | $52,371 | |
| UBS Group AG | 0.03% | 2,990 | -29% | 0% | $31,515 |
| MORGAN STANLEY | 0% | 48 | +14% | 0% | $506 |
| METEORA CAPITAL, LLC | 0% | 36 | 0% | $379 |
Institutional Holders of Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share (HSPT) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 4,957 | $52,197 | -$6,757,732 | $10.53 | 1 |
| 2025 Q4 | 6,157,873 | $64,753,110 | +$1,905,503 | $10.54 | 22 |
| 2025 Q3 | 6,420,756 | $66,428,744 | +$4,150,465 | $10.36 | 21 |
| 2025 Q2 | 5,964,405 | $60,929,993 | +$9,405,102 | $10.22 | 19 |
| 2025 Q1 | 5,041,584 | $50,888,557 | +$50,888,557 | $10.10 | 14 |