Periscope Capital Inc.

Position in ATII — Archimedes Tech SPAC Partners II Co.

CIK 1695320 Toronto, A6

Position in ATII

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$1,886,500

-$1,786,980 QoQ

Shares Held

215,000

-61.0% QoQ

Ownership

0.727%

of shares outstanding

% of Portfolio

0.34%

of 13F equity value

Holder Rank

#29

of 52 holders

Holding Since

Mar 2025

6 quarters on record

Voting authority Sole 81% Shared 0% None 19%

Financial Services · as of Jun 30, 2026

Periscope Capital Inc. holds $530,720,442 across 222 Shell Companies names. ATII ranks #143 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CRAN	Crane Harbor Acquisition Corp. II	1,298,504	$5,824,750
2	PTOR	Praetorian Acquisition Corp.	695,600	$4,965,000
3	KEYY	Keystone Acquisition Corp.	749,700	$4,928,028
4	HCMA	Hcm III Acquisition Corp.	641,600	$4,626,000
5	KBON	Karbon Capital Partners Corp.	580,700	$4,545,000
6	SVAQ	Silicon Valley Acquisition Corp.	645,000	$4,540,500
7	BDCI	BTC Development Corp.	601,576	$4,531,500
8	SBXE	SilverBox Corp V	450,107	$4,528,076

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30 ATIIW	—	40,000	-79.9%	Shares	Sole	2026-08-11
2026-06-30	$1,886,500	175,000	-50.4%	Shares	Sole	2026-08-11
2026-03-31 ATIIW	—	198,600	0.0%	Shares	Sole	2026-05-14
2026-03-31	$3,673,480	352,880	-21.2%	Shares	Sole	2026-05-14
2025-12-31 ATIIW	—	198,600	0.0%	Shares	Sole	2026-02-10
2025-12-31	$4,642,316	448,100	-10.4%	Shares	Sole	2026-02-10
2025-09-30 ATIIW	—	198,600	-11.2%	Shares	Sole	2025-11-13
2025-09-30	$5,105,000	500,000	+11.1%	Shares	Sole	2025-11-13
2025-06-30 ATIIW	—	223,600	—	Shares	Sole	2025-08-14
2025-06-30	$4,603,500	450,000	—	Shares	Sole	2025-08-14
2025-03-31 ATIIU	$3,021,000	300,000	—	Shares	Sole	2025-05-13
No filing history on record for this holder in this stock.