Alphatime Acquisition Cor-28ATMCWPreferred / convertible

13F holders, Q4 2024 (December 31)

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q3 2024Q2 2024Q1 2024

22holders

2new positions

2sold out

$0.96avg. 13F price*

At the end of Q4 2024, 22 institutions reported holding Alphatime Acquisition Cor-28 (ATMCW) in their 13F filings, unchanged from Q3 2024. 2 opened new positions and 2 sold out. The largest holders were Boothbay Fund Management, LLC ($5.0M), Walleye Trading LLC ($13K) and Harraden Circle Investments, LLC ($11K).

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

History

Number of 13F holders

Total Exit/New Position Q3 2024 → Q4 2024

	Institutions	Total Value
New Positions	2	$3K
Exits	2	$2K

All 13F filers, Q3 2024 → Q4 2024: 594,527 shares bought and 673,249 shares sold, net −78,722 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 22 holders


Boothbay Fund Management, LLC	—	No change	438,093	$5.0M
Walleye Trading LLC	—	Add +124.0%	778,737	$13K
Harraden Circle Investments, LLC	—	—	488,400	$11K
Atw Spac Management LLC	—	No change	438,093	$10K
Periscope Capital Inc.	—	Reduce -0.3%	437,900	$10K
Polar Asset Management Partners Inc.	—	No change	475,000	$10K
HGC Investment Management Inc.	—	No change	300,000	$6K
Weiss Asset Management LP	—	No change	249,600	$5K
Wolverine Asset Management LLC	—	No change	287,889	$5K
Rivernorth Capital Management, LLC	—	No change	200,000	$4K
Schechter Investment Advisors, LLC	—	Reduce -1.7%	178,040	$4K
Centiva Capital, LP	—	No change	200,000	$3K
Shaolin Capital Management LLC	—	Add +8.1%	185,000	$3K
Meteora Capital, LLC	—	New	148,783	$3K
K2 Principal Fund, L.P.	—	No change	141,606	$3K
Clear Street LLC	—	Reduce -0.2%	86,306	$1K
Mizuho Securities USA LLC	—	Reduce -0.2%	109,900	$1K
Walleye Capital LLC	—	Reduce -89.6%	64,526	$1K
Bulldog Investors, LLP	—	Reduce -6.8%	38,408	$768
Wealthspring Capital LLC	—	Reduce -20.3%	18,900	$378
Susquehanna International Group, LLP	—	Reduce -35.4%	13,251	$225
UBS Group AG	—	New	800	$16

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