MKS INC
MKSI- Exchange
- Nasdaq
- Industry
- Industrial Instruments For Measurement, Display, and Control
- SEC CIK
- 0001049502
Insider trades, last 90 days
0 buys · 3 sells
- Sold $3.23M
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
808
- +154 vs. Q1 2026
- Total value $35.07B
Superinvestors holding MKSI
1
- At the end of Q2 2026
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by MKSI insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sep 2, 202612:34 PM ET | Sep 1, 2026 | Mora ElizabethDirector | SSaleCommon Stock | −300 | $250.96 | −$75.29K | 18.85K | −1.6% | SEC10b5-1 |
| Aug 17, 202610:11 AM ET | Aug 14, 2026 | Lee John Tseng-ChungPresident & CEO | SSaleCommon Stock | −10K | $302.01 | −$3.02M | 134.78K | −6.9% | SEC10b5-1 |
| Aug 4, 202612:21 PM ET | Aug 3, 2026 | Williams John EdwardEVP & GM, PSD | SSaleCommon Stock | −457 | $288.31 | −$131.76K | 4.1K | −10.0% | SEC10b5-1 |
| Jun 16, 2026 | Jun 12, 2026 | Schreiner James AlanEVP & COO | SSaleCommon Stock | −3.5K | $345.8182 | −$1.21M | 19.2K | −15.4% | SEC |
| Jun 11, 2026 | Jun 10, 2026 | Schreiner James AlanEVP & COO | SSaleCommon Stock | −781 | $317.42 | −$247.91K | 22.7K | −3.3% | SEC10b5-1 |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in MKSI at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,930,030 | $3.18B | 0.05% | +288,300+4.3% | Added |
| Invesco Ltd. | 4,661,664 | $2.08B | 0.16% | +940,205+25.3% | Added |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,707,327 | $1.65B | 0.07% | +21,834+0.6% | Added |
| JPMORGAN CHASE & CO | 3,373,844 | $1.45B | 0.08% | +1,277,502+60.9% | Added |
| VANGUARD CAPITAL MANAGEMENT LLC | 3,049,560 | $1.36B | 0.03% | +35,359+1.2% | Added |