# HORIZON SPACE ACQUISITION II (HSPTR)

> Institutional ownership reported to the SEC as of Q1 2026, from Form 13F filings. Source: https://holderbook.com/stocks/HSPTR/

- Reporting holders: 13
- Reported value: $1.0M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Harraden Circle Investments, LLC](https://holderbook.com/funds/1910592-harraden-circle-investments-llc/) | $149.8K | 680,699 | 0.0% | 5 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $130.3K | 592,400 | 0.0% | 3 |
| [HIGHBRIDGE CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/919185-highbridge-capital-management-llc/) | $117.4K | 404,814 | 0.0% | 5 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $115.5K | 525,000 | 0.0% | 5 |
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $115.5K | 524,990 | 0.0% | 5 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $91.2K | 414,354 | 0.0% | 5 |
| [Hudson Bay Capital Management LP](https://holderbook.com/funds/1393825-hudson-bay-capital-management-lp/) | $88.0K | 400,000 | 0.0% | 4 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $81.0K | 368,411 | 0.0% | 5 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $74.8K | 340,000 | 0.0% | 3 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $44.0K | 200,000 | 0.0% | 4 |
| [BNP PARIBAS FINANCIAL MARKETS](https://holderbook.com/funds/1166588-bnp-paribas-financial-markets/) | $27.6K | 125,239 | 0.0% | 2 |
| [BERKLEY W R CORP](https://holderbook.com/funds/11544-berkley-w-r-corp/) | $11.8K | 53,846 | 0.0% | 5 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $1.9K | 8,786 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2026 | 13 | $1.0M |
| Q4 2025 | 13 | $779.6K |
| Q3 2025 | 14 | $898.3K |
| Q2 2025 | 15 | $841.0K |
| Q1 2025 | 11 | $564.9K |