Alphatime Acquisition Cor-28ATMCWPreferred / convertible

13F holders, Q3 2025 (September 30)
20holders +1
1new positions
0sold out
$1.20avg. 13F price*

At the end of Q3 2025, 20 institutions reported holding Alphatime Acquisition Cor-28 (ATMCW) in their 13F filings, up 1 from Q2 2025. 1 opened new positions and 0 sold out. The largest holders were Boothbay Fund Management, LLC ($5.7M), Meteora Capital, LLC ($67K) and Harraden Circle Investments, LLC ($35K).

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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions1$10
Exits0$0

All 13F filers, Q2 2025 → Q3 2025: 4,246 shares bought and 16,358 shares sold, net −12,112 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 20 holders
Boothbay Fund Management, LLC — No change 438,093 $5.7M
Meteora Capital, LLC — Add +0.3% 944,793 $67K
Harraden Circle Investments, LLC — No change 488,400 $35K
Polar Asset Management Partners Inc. — No change 475,000 $34K
Atw Spac Management LLC — No change 438,093 $31K
HGC Investment Management Inc. — No change 300,000 $21K
Wolverine Asset Management LLC — Reduce -1.6% 283,367 $20K
Weiss Asset Management LP — No change 249,600 $18K
Periscope Capital Inc. — No change 212,900 $15K
Shaolin Capital Management LLC — No change 208,500 $15K
Rivernorth Capital Management, LLC — No change 200,000 $14K
Centiva Capital, LP — No change 200,000 $14K
Wealthspring Capital LLC — Reduce -3.1% 170,410 $12K
K2 Principal Fund, L.P. — No change 141,606 $10K
Clear Street Group Inc. — — 76,834 $5K
Toronto Dominion Bank — Add +0.1% 29,927 $2K
Susquehanna International Group, LLP — Add +6.5% 26,526 $2K
Mizuho Securities USA LLC — Reduce -2.5% 107,105 $1K
UBS Group AG — Reduce -72.8% 1,362 $97
Bank of America Corp. — New 135 $10

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