K2 PRINCIPAL FUND, L.P.

Position in MKSI — Mks Inc

CIK 1461790 TORONTO, A6

Position in MKSI

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

Position Value

$1,556,800

+$159,986 QoQ

Shares Held

3,500

-72.8% QoQ

Ownership

0.005%

of shares outstanding

% of Portfolio

0.41%

of 13F equity value

Holder Rank

#371

of 773 holders

Holding Since

Sep 2021

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

K2 PRINCIPAL FUND, L.P. holds $3,331,855 across 3 Scientific & Technical Instruments names. MKSI ranks #1 (46.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MKSI	Mks Inc This page	3,500	$1,556,800
2	KEYS	Keysight Technologies, Inc.	4,000	$1,400,280
3	VPG	Vishay Precision Group, Inc.	2,500	$374,775

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,556,800	3,500	-72.8%	Shares	Sole	2026-08-07
2024-09-30	$1,396,814	12,849	-7.2%	Shares	Sole	2024-11-15
2024-06-30	$1,807,227	13,840	+94.9%	Shares	Sole	2024-08-14
2024-03-31	$944,300	7,100	-11.2%	Shares	Sole	2024-05-14
2022-06-30	$821,040	8,000	+73.2%	Shares	Sole	2022-08-12
2021-09-30	$696,902	4,618	—	Shares	Sole	2021-11-12
No filing history on record for this holder in this stock.