Horizon Space Acquisition-RTHSPRFPreferred / convertible

13F holders, Q1 2025 (March 31)
16holders −1
2new positions
3sold out
$0.14avg. 13F price*

At the end of Q1 2025, 16 institutions reported holding Horizon Space Acquisition-RT (HSPRF) in their 13F filings, down 1 from Q4 2024. 2 opened new positions and 3 sold out. The largest holders were Harraden Circle Investments, LLC ($258K), Clear Street LLC ($56K) and Polar Asset Management Partners Inc. ($40K).

Company
Horizon Space Acquisition-RT
CUSIP
G4619M125
Latest filing quarter
Q4 2025

History

Number of 13F holders

0510152025 Q1 2024: 21Q1 2024Q2 2024: 21Q2 2024Q3 2024: 17Q3 2024Q4 2024: 17Q4 2024Q1 2025: 16Q1 2025Q2 2025: 17Q2 2025Q3 2025: 17Q3 2025Q4 2025: 3Q4 2025

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions2$8K
Exits3$22K

All 13F filers, Q4 2024 → Q1 2025: 327,162 shares bought and 194,648 shares sold, net +132,514 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 16 holders

Harraden Circle Investments, LLC — No change 1,754,525 $258K
Clear Street LLC — Add +41.1% 383,649 $56K
Polar Asset Management Partners Inc. — No change 275,000 $40K
Yakira Capital Management, Inc. — No change 250,000 $37K
AQR Arbitrage LLC — No change 246,133 $36K
Rivernorth Capital Management, LLC — No change 214,357 $32K
Wolverine Asset Management LLC — Reduce -0.5% 213,972 $31K
Shaolin Capital Management LLC — Add +41.4% 200,000 $29K
Periscope Capital Inc. — No change 180,900 $27K
Highbridge Capital Management LLC — No change 160,000 $24K
LMR Partners LLP — No change 100,000 $15K
Mint Tower Capital Management B.V. — No change 75,000 $11K
GABELLI & Co INVESTMENT ADVISERS, INC. — No change 67,700 $10K
UBS Group AG — New 40,161 $6K
Toronto Dominion Bank — New 116,748 $2K
Meteora Capital, LLC — No change 12,202 $2K

"% of holder's portfolio" is HSPRF's weight in each manager's 13F, not the share of Horizon Space Acquisition-RT the manager owns.