CLOUGH CAPITAL PARTNERS L P

Position in MKSI — Mks Inc

CIK 1276144 Boston, MA

Position in MKSI

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$18,299,516

New position

Shares Held

41,141

first reported quarter

Ownership

0.061%

of shares outstanding

% of Portfolio

1.49%

of 13F equity value

Holder Rank

#145

of 770 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

CLOUGH CAPITAL PARTNERS L P holds $40,689,665 across 3 Scientific & Technical Instruments names. MKSI ranks #1 (45.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MKSI	Mks Inc This page	41,141	$18,299,516
2	TDY	Teledyne Technologies Inc	25,244	$16,835,223
3	COHR	Coherent Corp.	14,082	$5,554,926

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$18,299,516	41,141	—	Shares	Defined	2026-08-14
No filing history on record for this holder in this stock.