K2 PRINCIPAL FUND, L.P.

Position in ATII — Archimedes Tech SPAC Partners II Co.

CIK 1461790 TORONTO, A6

Position in ATII

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$5,672,727

+$4,757,688 QoQ

Shares Held

806,945

+146.2% QoQ

Ownership

2.73%

of shares outstanding

% of Portfolio

1.51%

of 13F equity value

Holder Rank

#14

of 52 holders

Holding Since

Mar 2025

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

K2 PRINCIPAL FUND, L.P. holds $145,721,832 across 129 Shell Companies names. ATII ranks #2 (3.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CCII	Cohen Circle Acquisition Corp. II	990,933	$5,793,348
2	ATII	Archimedes Tech SPAC Partners II Co. This page	806,945	$5,672,727
3	WLII	Willow Lane Acquisition Corp. II	697,608	$4,494,325
4	IPXG	Inflection Point Acquisition Corp. VII	714,345	$4,056,000
5	OACC	Oaktree Acquisition Corp. III Life Sciences	406,269	$3,915,130
6	MTAL	Metals Acquisition Corp. II	332,197	$3,371,799
7	CEPF	Cantor Equity Partners IV, Inc.	318,199	$3,309,269
8	PMTR	Perimeter Acquisition Corp. I	414,055	$3,097,209

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30 ATIIW	—	280,718	+17.0%	Shares	Sole	2026-08-07
2026-06-30	$5,672,727	526,227	+498.7%	Shares	Sole	2026-08-07
2026-03-31 ATIIW	—	239,895	0.0%	Shares	Sole	2026-05-14
2026-03-31	$915,039	87,900	0.0%	Shares	Sole	2026-05-14
2025-12-31 ATIIW	—	239,895	-7.7%	Shares	Sole	2026-02-13
2025-12-31	$910,644	87,900	-22.7%	Shares	Sole	2026-02-13
2025-09-30 ATIIW	—	259,895	0.0%	Shares	Sole	2025-11-13
2025-09-30	$1,160,570	113,670	-29.0%	Shares	Sole	2025-11-13
2025-06-30 ATIIW	—	259,895	—	Shares	Sole	2025-08-14
2025-06-30	$1,638,539	160,170	—	Shares	Sole	2025-08-14
2025-03-31 ATIIU	$3,220,285	319,790	—	Shares	Sole	2025-05-15
No filing history on record for this holder in this stock.