MKSIMKS Inc.

$264.42+106% 1Y
Latest close: back above its 200-day averageOct 9, 2026what changed →

Who owns MKSI

758 institutions reported holding MKSI for 2026Q2, together 99% of the company, more than the 606 a quarter earlier.

758

Institutions reporting a position · as of 2026Q2 · up from 606 the quarter before

Shares held by institutions
70.5M

Shares held by institutions · 99% of the company · long US equity positions only, as reported on Form 13F

Reported value
$31.2B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
34%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
211
Positions exited
61
Added to
224
Reduced
238
Top 10 holdersof the company
47%
Shares sold shortsettled Sep 15, 2026
6.1M
Short interestof shares outstanding
8.5%
Days to coverat the average daily volume
4.6
Change in the short positionsince the Aug 31, 2026 count
−2.9%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q275870.5M$31.2B
2026Q160668.8M$15.7B
2025Q450470.5M$11.3B
2025Q342671.8M$8.88B
2025Q239074.4M$7.39B
2025Q139271.4M$5.72B
2024Q441570.4M$7.35B
2024Q340767.7M$7.36B
2024Q239368.9M$9.00B
2024Q133768.8M$9.14B
2023Q432166.8M$6.88B
2023Q332067.0M$5.79B
2023Q231667.8M$7.32B
2023Q132167.0M$5.94B
2022Q431567.5M$5.74B
2022Q335658.5M$4.84B
Largest reported holders, 2026Q2
HolderShares% of companyValue
VANGUARD GROUP INC7.3M10%$3.25B
BlackRock Inc.6.9M9.7%$3.08B
Invesco Ltd.4.7M6.6%$2.07B
JPMORGAN CHASE & CO3.4M4.7%$1.40B
STATE STREET CORP2.1M3.0%$949M
Point72 Asset Management, L.P.2.0M2.8%$888M
Capital International Investors1.9M2.7%$852M
PRICE T ROWE ASSOCIATES INC /MD/1.9M2.7%$841M
Aspex Management (HK) Ltd1.8M2.6%$810M
GEODE CAPITAL MANAGEMENT LLC1.5M2.2%$687M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20266.1M8.5%4.6
Aug 31, 20266.3M8.8%5.0
Aug 14, 20265.5M7.7%3.5
Jul 31, 20265.8M8.1%4.0
Jul 15, 20265.2M7.3%3.9
Jun 30, 20265.0M7.0%2.8
Jun 15, 20264.6M6.5%4.7
May 29, 20264.4M6.2%3.9
May 15, 20264.3M6.1%2.9
Apr 30, 20263.6M5.0%3.2
Apr 15, 20263.5M5.0%4.0
Mar 31, 20263.7M5.3%3.3

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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