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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

13F holders, Q4 2025

Institutional positions in Horizon Space Acquisition I Corp. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
3
−15 vs. Q3 2025
Shares held
553.0K
−3.80M (−87.3%) vs. Q3 2025
Total value
$11.6K
−$259.1K (−95.7%) vs. Q3 2025
New holders
0
0 more added
Sold out
15
1 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting HSPWF on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 3 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 18 institutionsQ2 2023: 20 institutionsQ3 2023: 25 institutionsQ4 2023: 24 institutionsQ1 2024: 23 institutionsQ2 2024: 23 institutionsQ3 2024: 20 institutionsQ4 2024: 19 institutionsQ1 2025: 18 institutionsQ2 2025: 18 institutionsQ3 2025: 18 institutionsQ4 2025: 3 institutionsQ1 2026: 1 institutionQ2 2026: 0 institutions
Value heldQ4 2025: $11.6K
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $199.3KQ2 2023: $277.0KQ3 2023: $233.0KQ4 2023: $106.2KQ1 2024: $133.3KQ2 2024: $85.6KQ3 2024: $73.3KQ4 2024: $90.3KQ1 2025: $80.2KQ2 2025: $167.8KQ3 2025: $270.6KQ4 2025: $11.6KQ1 2026: $5.07KQ2 2026: $0
Institutions holding HSPWF and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20261$5.07K
Q4 20253$11.6K
Q3 202518$270.6K
Q2 202518$167.8K
Q1 202518$80.2K
Q4 202419$90.3K
Q3 202420$73.3K
Q2 202423$85.6K
Q1 202423$133.3K
Q4 202324$106.2K
Q3 202325$233.0K
Q2 202320$277.0K
Q1 202318$199.3K
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Horizon Space Acquisition I Corp.; share changes are against Q3 2025.

Institutions holding HSPWF in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Mint Tower Capital Management B.V.75,000$2.00K0.00%00.0%Unchanged
Rivernorth Capital Management, LLC214,357$4.29K0.00%00.0%Unchanged
Meteora Capital, LLC263,619$5.27K0.00%−286,950−52.1%Reduced
Hudson Bay Capital Management LP0$00.00%−419,586−100.0%Sold out
Shaolin Capital Management LLC0$00.00%−375,000−100.0%Sold out
Clear Street Group Inc.0$00.00%−303,760−100.0%Sold out
Aristeia Capital LLC0$00.00%−350,000−100.0%Sold out
Harraden Circle Investments, LLC0$00.00%−321,694−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−275,000−100.0%Sold out
Yakira Capital Management, Inc.0$00.00%−250,000−100.0%Sold out
CNH Partners LLC0$00.00%−246,133−100.0%Sold out
Weiss Asset Management LP0$00.00%−240,000−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−210,025−100.0%Sold out
Periscope Capital Inc.0$00.00%−180,900−100.0%Sold out
Toronto Dominion Bank0$00.00%−124,198−100.0%Sold out
LMR Partners LLP0$00.00%−100,000−100.0%Sold out
Gabelli & Co Investment Advisers, Inc.0$00.00%−67,700−100.0%Sold out
Mizuho Securities USA LLC0$00.00%−50,000−100.0%Sold out