Latest Period
Q1 2026
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
12
Shares (Excl. Options)
1,114,424
Price
$8.48
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- Security type / class
- Equity / Ordinary Shares, par value $0.0001 per share
- Symbol
- HSPT on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,114,424
- Total 13F value
- $9,240,717
- Portfolio coverage rank
- 0%
- Share change
- -5,048,406
- Value change
- -$53,050,469
- Number of holders
- 12
- Shares outstanding
- 9,115,942
- SEC-reported price per share
- $8.81
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- HSPT - Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G4627B103.
- 12 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 22 to 12 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $64,753,110 to $9,240,717.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 12 institutions filings for Q1 2026.
Security key
G4627B103
Latest holder period
Q1 2026
13F holders
12
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
HSPT full holder history
Horizon Space Acquisition II Corp. SEC filings
Horizon Space Acquisition II Corp. company facts
Horizon Space Acquisition II Corp. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G4627B103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
HSPT
| 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 Mar 2026, 12 institutional investors reported holding 1,114,424 shares of Horizon Space Acquisition II Corp. - Ordinary Shares, par value $0.0001 per share (HSPT). This represents 12% of the company’s total 9,115,942 outstanding shares.
13F concentration
Top 24 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
12%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| D. E. Shaw & Co., Inc. | 2.7% | 250,000 | 0% | 0% | $1,612,500 |
| TWO SIGMA INVESTMENTS, LP | 2.3% | 207,299 | -4.7% | 0% | $1,337,058 |
| Clear Street Group Inc. | 2% | 181,878 | +286% | 0.01% | $1,915,157 |
| GLAZER CAPITAL, LLC | 1.8% | 162,344 | -0% | 0.04% | $1,706,000 |
| L1 Global Manager Pty Ltd | 1.6% | 150,000 | 0% | 0.78% | $967,485 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1.4% | 130,000 | -78% | 0.07% | $1,368,900 |
| Westchester Capital Management, LLC | 0.23% | 21,004 | -95% | 0.01% | $223,273 |
| Quarry LP | 0.05% | 4,957 | 0% | 0.01% | $52,197 |
| RLH Capital LLC | 0.05% | 4,957 | 0% | 0.03% | $52,197 |
| COOPERMAN LEON G | 0.01% | 1,100 | 0% | $242 | |
| UBS Group AG | 0.01% | 811 | -73% | 0% | $5,231 |
| MORGAN STANLEY | 0% | 74 | +54% | 0% | $477 |
| BERKLEY W R CORP | 0% | 0 | -100% | $0 | |
| Hudson Bay Capital Management LP | 0% | 0 | -100% | $0 | |
| WOLVERINE ASSET MANAGEMENT LLC | 0% | 0 | -100% | $0 | |
| Radcliffe Capital Management, L.P. | 0% | 0 | -100% | $0 | |
| HEIGHTS CAPITAL MANAGEMENT, INC | 0% | 0 | -100% | $0 | |
| BOOTHBAY FUND MANAGEMENT, LLC | 0% | 0 | -100% | $0 | |
| TORONTO DOMINION BANK | 0% | 0 | -100% | $0 | |
| GOLDMAN SACHS GROUP INC | 0% | 0 | -100% | $0 | |
| METEORA CAPITAL, LLC | 0% | 0 | -100% | $0 | |
| AQR Arbitrage LLC | 0% | 0 | -100% | $0 | |
| Polar Asset Management Partners Inc. | 0% | 0 | -100% | $0 | |
| MIZUHO SECURITIES USA LLC | 0% | 0 | -100% | $0 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 1,114,424 | $9,240,717 | -$53,050,469 | $8.48 | 12 |
| 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 |