Horizon Space Acquisition-RTHSPRFPreferred / convertible

13F holders, Q4 2024 (December 31)
17holders
0new positions
0sold out
$0.12avg. 13F price*

At the end of Q4 2024, 17 institutions reported holding Horizon Space Acquisition-RT (HSPRF) in their 13F filings, unchanged from Q3 2024. 0 opened new positions and 0 sold out. The largest holders were Harraden Circle Investments, LLC ($202K), Polar Asset Management Partners Inc. ($32K) and Clear Street LLC ($31K).

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 Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q3 2024 → Q4 2024: 69,910 shares bought and 65,992 shares sold, net +3,918 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 17 holders

Harraden Circle Investments, LLC — — 1,754,525 $202K
Polar Asset Management Partners Inc. — No change 275,000 $32K
Clear Street LLC — No change 271,956 $31K
Yakira Capital Management, Inc. — No change 250,000 $29K
AQR Arbitrage LLC — No change 246,133 $28K
Wolverine Asset Management LLC — No change 215,025 $25K
Rivernorth Capital Management, LLC — No change 214,357 $25K
Periscope Capital Inc. — Reduce -0.6% 180,900 $21K
Highbridge Capital Management LLC — No change 160,000 $18K
Shaolin Capital Management LLC — No change 141,440 $16K
Walleye Trading LLC — Add +144.2% 109,880 $13K
LMR Partners LLP — No change 100,000 $12K
Mint Tower Capital Management B.V. — No change 75,000 $9K
GABELLI & Co INVESTMENT ADVISERS, INC. — No change 67,700 $8K
Walleye Capital LLC — Reduce -50.1% 64,522 $7K
Flow Traders U.S. LLC — Add +35.4% 19,193 $2K
Meteora Capital, LLC — No change 12,202 $1K

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