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Horizon Space Acquisition I Corp.

HSPWF
Exchange
OTC
Industry
Blank Checks
SEC CIK
0001946021

No open-market purchases or sales by Horizon Space Acquisition I Corp. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Other share classesHSPOFHSPUF

Q1 2026 vs. Q4 2025

How the institutions holding Horizon Space Acquisition I Corp. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of HSPWF: Q4 2025 compared with Q1 2026
MeasureQ4 2025Q1 2026Change
Holders31−2
Shares553.0K253.6K−299.4K (−54.1%)
Value$11.6K$5.07K−$6.49K (−56.1%)

New holders (0)

Institutions that held Horizon Space Acquisition I Corp. at the end of Q1 2026 but not at the end of Q4 2025.

None.

Sold out (2)

Institutions that held Horizon Space Acquisition I Corp. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of HSPWF in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Rivernorth Capital Management, LLC214,357$4.29K
Mint Tower Capital Management B.V.75,000$2.00K