Alphatime Acquisition Cor-28ATMCWPreferred / convertible

13F holders, Q4 2025 (December 31)
17holders −3
1new positions
3sold out
$1.76avg. 13F price*

At the end of Q4 2025, 17 institutions reported holding Alphatime Acquisition Cor-28 (ATMCW) in their 13F filings, down 3 from Q3 2025. 1 opened new positions and 3 sold out. The largest holders were Boothbay Fund Management, LLC ($6.8M), Meteora Capital, LLC ($67K) and Polar Asset Management Partners Inc. ($33K).

Company
Alphatime Acquisition Cor-28
CUSIP
G0223V121
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q1 2024: 21Q1 2024Q2 2024: 21Q2 2024Q3 2024: 22Q3 2024Q4 2024: 22Q4 2024Q1 2025: 18Q1 2025Q2 2025: 19Q2 2025Q3 2025: 20Q3 2025Q4 2025: 17Q4 2025Q1 2026: 4Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions1$705
Exits3$53K

All 13F filers, Q3 2025 → Q4 2025: 251,905 shares bought and 804,788 shares sold, net −552,883 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 17 holders

Boothbay Fund Management, LLC — No change 438,093 $6.8M
Meteora Capital, LLC — Add +1.2% 956,375 $67K
Polar Asset Management Partners Inc. — No change 475,000 $33K
Wolverine Asset Management LLC — Reduce -0.3% 282,367 $20K
HGC Investment Management Inc. — No change 300,000 $18K
Rivernorth Capital Management, LLC — No change 200,000 $14K
Centiva Capital, LP — No change 200,000 $14K
Periscope Capital Inc. — Reduce -8.3% 195,335 $14K
Shaolin Capital Management LLC — Reduce -16.1% 175,000 $12K
Wealthspring Capital LLC — Reduce -0.7% 169,210 $12K
K2 Principal Fund, L.P. — No change 141,606 $10K
Mizuho Securities USA LLC — No change 107,105 $3K
Toronto Dominion Bank — No change 29,927 $2K
Susquehanna International Group, LLP — Reduce -49.2% 13,485 $945
Creative Planning — New 10,050 $705
UBS Group AG — Reduce -25.5% 1,015 $71
Clear Street Group Inc. — Add +299.7% 307,107 $0

"% of holder's portfolio" is ATMCW's weight in each manager's 13F, not the share of Alphatime Acquisition Cor-28 the manager owns.