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Horizon Space Acquisition I Corp.

HSPOF
Exchange
OTC
Industry
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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 classesHSPUFHSPWF

Q2 2025 vs. Q1 2025

How the institutions holding Horizon Space Acquisition I Corp. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of HSPOF: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders11112+2
Shares1.77M375.2K1.74M+347.1K (+24.8%)
Value$21.0M$4.39M$20.9M+$4.30M (+25.9%)

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (3)

Institutions that held Horizon Space Acquisition I Corp. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to HSPOF in Q2 2025
InstitutionSharesValue% of portfolio
Mizuho Securities USA LLC375,209$4.46M0.10%
Quarry LP16,899$202.6K0.05%
PenderFund Capital Management Ltd.52$6320.00%

Sold out (1)

Institutions that held Horizon Space Acquisition I Corp. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of HSPOF in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Harraden Circle Investments, LLC33,798$401.9K

Not filed for Q2 2025 yet (1)

Institutions that held Horizon Space Acquisition I Corp. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding HSPOF in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Mizuho Securities USA LLC375,210$4.39M