EdgeMarketInstruments › MKSI

MKSI — MKS INC

US Industrials Instruments equity mkt cap 19.1B
279.11 -0.98% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 99.42 · high 444.80

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day-0.98%
1 week-10.18%
1 month-19.17%
3 months-10.87%
6 months+7.65%
Year to date+65.78%
1 year+180.88%
3 years+203.91%
5 years+90.96%

Technicals

RSI 1438.8
vs 50-day avg-18.03%
vs 200-day avg+8.71%
Volatility 1y61.5%
Max drawdown 1y-42.08%
Avg volume 30d1.4M
Daily bars held2,674
History from2016-01-04

Dividends

Yield (trailing 12m)0.43%
Paid last 12m1.1900
Payments in 12m5
Paying since2016-02-25

Measured signals that fired on MKSI

datesignal measured base rate
2026-08-20Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-28Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-06Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-17Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group
2026-06-05Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-05-14Short volume far above its own normal
short
-0.76% over 21 days · t = -2.79 · n = 5,897
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-08-14Lee John Tseng-Chung
President & CEO
Open-market sale 10b5-1 plan10.0K302.013.0M
2026-08-03Williams John Edward
EVP & GM, PSD
Open-market sale 10b5-1 plan457288.31131.8K
2026-06-12Schreiner James Alan
EVP & COO
Open-market sale2.5K345.52853.8K
2026-06-12Schreiner James Alan
EVP & COO
Open-market sale812346.41281.3K
2026-06-12Schreiner James Alan
EVP & COO
Open-market sale217347.0075.3K
2026-06-10Schreiner James Alan
EVP & COO
Open-market sale 10b5-1 plan781317.42247.9K
2026-06-05McCarthy Michelle M
SVP & Chief Accounting Officer
Open-market sale 10b5-1 plan2.4K315.23767.3K
2026-06-01Henry David Philip
EVP, Global Str Mktg & GM, MSD
Open-market sale6.0K314.431.9M
2026-06-01Mora Elizabeth
Director
Open-market sale 10b5-1 plan300318.0295.4K
2026-05-27COLELLA GERALD G
Director
Open-market sale 10b5-1 plan8.2K331.452.7M

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.1.5B6.6M
Invesco Ltd.855.2M3.7M
VANGUARD PORTFOLIO MANAGEMENT LLC847.0M3.7M
VANGUARD CAPITAL MANAGEMENT LLC692.7M3.0M
STATE STREET CORP472.9M2.1M
Capital International Investors452.4M2.0M
FMR LLC444.4M1.9M
JPMORGAN CHASE & CO441.2M2.1M
WELLINGTON MANAGEMENT GROUP LLP421.3M1.8M
Point72 Asset Management, L.P.370.1M1.6M

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d44.0% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

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