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Park West Asset Management LLC

Position in MKSI — Mks Inc

CIK 1386928 SAN FRANCISCO, CA

Position in MKSI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$61,711,552
+$4,433,708 QoQ
Shares Held
138,740
-44.3% QoQ
Ownership
0.205%
of shares outstanding
% of Portfolio
4.25%
of 13F equity value
Holder Rank
#76
of 773 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

Park West Asset Management LLC holds $61,711,552 across 1 Scientific & Technical Instruments name. MKSI ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MKSI
Mks Inc
This page
138,740 $61,711,552

All Filings in MKSI

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $61,711,552 138,740
2026-03-31 $57,277,844 249,240
2025-12-31 $44,522,517 278,614
2025-09-30 $7,426,200 60,000