Alphatime Acquisition Cor-28ATMCWPreferred / convertible

13F holders, Q3 2024 (September 30)
22holders +1
2new positions
1sold out
$1.01avg. 13F price*

At the end of Q3 2024, 22 institutions reported holding Alphatime Acquisition Cor-28 (ATMCW) in their 13F filings, up 1 from Q2 2024. 2 opened new positions and 1 sold out. The largest holders were Boothbay Fund Management, LLC ($4.9M), Polar Asset Management Partners Inc. ($8K) and Atw Spac Management LLC ($8K).

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 2024 → Q3 2024

InstitutionsTotal Value
New Positions2$9K
Exits1$24

All 13F filers, Q2 2024 → Q3 2024: 550,640 shares bought and 23,126 shares sold, net +527,514 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 22 holders
Boothbay Fund Management, LLC — No change 438,093 $4.9M
Polar Asset Management Partners Inc. — No change 475,000 $8K
Atw Spac Management LLC — New 438,093 $8K
Periscope Capital Inc. — No change 439,200 $8K
Walleye Capital LLC — No change 618,112 $7K
Walleye Trading LLC — No change 347,688 $4K
HGC Investment Management Inc. — No change 300,000 $4K
Wolverine Asset Management LLC — No change 287,889 $3K
Weiss Asset Management LP — No change 249,600 $3K
Rivernorth Capital Management, LLC — No change 200,000 $2K
Centiva Capital, LP — No change 200,000 $2K
Schechter Investment Advisors, LLC — Reduce -5.7% 181,040 $2K
Shaolin Capital Management LLC — Add +0.7% 171,105 $2K
Spartan Fund Management Inc. — No change 99,927 $2K
K2 Principal Fund, L.P. — No change 141,606 $1K
Mizuho Securities USA LLC — New 110,100 $1K
Clear Street LLC — No change 86,506 $1K
Bulldog Investors, LLP — Reduce -6.8% 41,196 $412
Cowen and Company, LLC — No change 30,100 $361
Wealthspring Capital LLC — Reduce -24.0% 23,700 $289
Susquehanna International Group, LLP — Add +7.0% 20,499 $246
Bank of America Corp. — No change 200 $2

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