# HORIZON SPACE ACQUISITION II ORD SHS

HORIZON SPACE ACQUISITION II ORD SHS is a security (CUSIP G4627B103) tracked across SEC portfolio filings. 15 institutional managers reported $13.5M on Form 13F as of 2026-03-31; 1 registered fund positions totaling $1.4M via N-PORT as of 2026-03-31.

## Summary

- Issuer: HORIZON SPACE ACQUISITION II
- Class: ORD SHS
- CUSIP: G4627B103
- Asset category: EC
- 13F holders: 15
- 13F value: $13.5M
- 13F period: 2026-03-31
- N-PORT fund positions: 1
- N-PORT value: $1.4M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [ATW SPAC MANAGEMENT LLC](https://search.stillhousedata.com/firm/283737) | NEW YORK, NY | $6.0M | 574,990 |
| Clear Street Group Inc. | NEW YORK, NY | $1.9M | 181,878 |
| D. E. Shaw & Co., Inc. | New York, NY | $1.6M | 250,000 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/122020) | WEST PALM BEACH, FL | $1.4M | 130,000 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $1.3M | 207,299 |
| L1 Global Manager Pty Ltd | Melbourne, C3 | $967K | 150,000 |
| [Westchester Capital Management, LLC](https://search.stillhousedata.com/firm/155686) | VALHALLA, NY | $223K | 21,004 |
| Quarry LP | NEW YORK, NY | $52K | 4,957 |
| [RLH Capital LLC](https://search.stillhousedata.com/firm/158375) | Great Neck, NY | $52K | 4,957 |
| [CLEAR STREET LLC](https://search.stillhousedata.com/firm/288933) | NEW YORK, NY | $37K | 3,609 |
| UBS Group AG | Zurich, V8 | $5K | 811 |
| GLAZER CAPITAL, LLC | New York, NY | $2K | 162,344 |
| MORGAN STANLEY | NEW YORK, NY | $477 | 74 |
| COOPERMAN LEON G | BOCA RATON, FL | $242 | 1,100 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| RiverNorth Opportunities Fund Inc. | RIVERNORTH OPPORTUNITIES FUND INC. | $1.4M | 42.24% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/G4627B103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.