Congress trades
MKS Inc. (MKSI)
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About MKS Inc.
from the company's filings and listing, as of Oct 26, 2026- Exchange
- NASDAQ
- Sector
- Technology
- Industry
- Hardware, Equipment & Parts
- Chief executive
- Tseng Chung Lee
- Employees
- 10,200
- Listed since
- Mar 30, 1999
- Market value
- $13.3B
- Price to earnings (12 mo)
- 30.1
- Net income per share, as reported (12 mo)
- $6.51
- Dividend yield
- 0.49%
Earnings
6 reported quarters · next on Nov 4, 2026| Quarter | EPS | EPS expected | Revenue | Revenue expected | Result |
|---|---|---|---|---|---|
| Q2 FY2026reported Aug 5, 2026 | $3.30 | $2.91 | $1.2B | $1.2B | EPS beatRevenue beat |
| Q1 FY2026reported May 6, 2026 | $2.30 | $2.04 | $1.1B | $1.0B | EPS beatRevenue beat |
| Q4 FY2025reported Feb 17, 2026 | $2.47 | $2.46 | $1.0B | $1.0B | EPS in lineRevenue in line |
| Q3 FY2025reported Nov 5, 2025 | $1.93 | $1.85 | $988.0M | $968.1M | EPS beatRevenue beat |
| Q2 FY2025reported Aug 6, 2025 | $1.77 | $1.61 | $973.0M | $946.1M | EPS beatRevenue beat |
| Q1 FY2025reported May 7, 2025 | $1.71 | $1.42 | $936.0M | $938.5M | EPS beatRevenue in line |
Actual against the consensus estimate at the time. A flag marks a beat or a miss of more than 1.5% either way; inside that band the quarter is in line. A flag reads n/a only when a number is missing. Quarterly EPS is the figure set against the consensus, usually adjusted, so the quarters need not add up to the 12-month net income per share above. An estimate is a forecast made by analysts, not a company target.
Executive pay
as filed for fiscal 2025 · proxy filed Mar 31, 2026| Executive | Salary | Stock awards | Other | Total |
|---|---|---|---|---|
| John T.C. LeePresident and CEO (principal executive officer) | $1.0M | $10.1M | $1.8M | $13.0M |
| Ramakumar MayampurathEVP and CFO (principal financial officer) | $625K | $1.9M | $748K | $3.3M |
| James A. SchreinerEVP and COO | $541K | $1.2M | $1.1M | $2.9M |
| Kathleen F. BurkeEVP, General Counsel, and Secretary | $543K | $1.7M | $579K | $2.8M |
| David P. HenryEVP, Global Strategic Marketing, and General Manager, MSD | $526K | $1.3M | $532K | $2.4M |
The summary compensation table from the proxy statement for fiscal 2025, with titles as filed then. Executives who have since left are not shown. Read the filing
Institutional holders
13F positions as of Jun 30, 2026| Holder | Value | Shares | Shares vs prior qtr | % of shares out |
|---|---|---|---|---|
| BlackRock, Inc. | $3.1B | 6,930,030 | +4.3% | 10.25% |
| Invesco Ltd. | $2.1B | 4,661,664 | +25.3% | 6.90% |
| Vanguard Portfolio Management LLC | $1.6B | 3,707,327 | +0.6% | 5.48% |
| JPMorgan Chase & Co. | $1.4B | 3,373,844 | +60.9% | 4.99% |
| Vanguard Capital Management LLC | $1.4B | 3,049,560 | +1.2% | 4.51% |
| State Street Corp | $949.4M | 2,134,663 | +3.7% | 3.17% |
| Point72 Asset Management, L.P.Steve Cohen | $888.2M | 1,996,843 | +24.0% | 2.95% |
| Capital International Investors | $851.9M | 1,915,187 | -2.7% | 2.83% |
| T. Rowe Price Associates, Inc. | $840.6M | 1,889,901 | +11.2% | 2.80% |
| Aspex Management (HK) Ltd | $809.7M | 1,820,441 | +18.3% | 2.69% |
| Geode Capital Management, LLC | $686.6M | 1,539,072 | 0.0% | 2.28% |
| FMR LLC | $667.0M | 1,499,498 | -22.5% | 2.22% |
A 13F reports long US equity positions and is filed within 45 days of the quarter end, so these are positions as they stood on Jun 30, 2026. For a manager's whole book see the fund directory. What a 13F covers and leaves out is explained in our guide to Form 13F.
Tracked fund managers holding MKSI
5 managers| Manager | Value | Shares | Share of book |
|---|---|---|---|
| Steve CohenPoint72 Asset Management | $888.2M | 1,996,843 | 1.0% |
| Whale Rock Capital Management | $565.5M | 1,271,373 | 4.5% |
| Alkeon Capital Management | $476.8M | 1,072,040 | 0.6% |
| Samlyn Capital | $125.4M | 281,893 | 2.0% |
| Glenview CapitalLarry Robbins | $43.8M | 98,532 | 0.8% |
5 of the 97 fund managers we track list MKSI shares among the largest positions in their latest 13F, filed for Q2 2026. A manager can hold it further down the book too, so this is a floor, not a count. Share of book is the position against the manager's whole disclosed 13F value.
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Congress trades in MKSI
20 disclosures of 22 on record · median 28d of the 45 allowedSince the trade: the stock's move from the trade date to the latest close we hold (figures as of Oct 24, 2026), not the member's result. Not investment advice.
| Member | Type | Action | Amount disclosed | Stock since the trade | Trade date | Disclosed | Delay |
|---|---|---|---|---|---|---|---|
| Lisa C. McClainSpouse | Stock | Purchase | $1,001 - $15,000 | +41.1%S&P 500 +11.7% · +29.4 pts vs S&P 500 | Oct 30, 2025 | Nov 21, 2025 | 22d |
| Lisa C. McClainSpouse | Stock | Sale | $1,001 - $15,000 | +41.1%After the saleS&P 500 +11.7% · +29.4 pts vs S&P 500 | Oct 30, 2025 | Nov 21, 2025 | 22d |
| Lisa C. McClainSpouse | Stock | Sale | $1,001 - $15,000 | +36.8%After the saleS&P 500 +11.4% · +25.4 pts vs S&P 500 | Oct 31, 2025 | Nov 21, 2025 | 21d |
| Lisa C. McClainSpouse | Stock | Purchase | $1,001 - $15,000 | +109.1%S&P 500 +20.4% · +88.7 pts vs S&P 500 | Aug 4, 2025 | Sep 12, 2025 | 39d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +206.0%S&P 500 +44.9% · +161.1 pts vs S&P 500 | Apr 10, 2025 | May 12, 2025 | 32d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +205.8%S&P 500 +41.4% · +164.5 pts vs S&P 500 | Apr 3, 2025 | May 12, 2025 | 39d |
| Ro Khanna | Stock | Purchase | $15,001 - $50,000 | +205.8%S&P 500 +41.4% · +164.5 pts vs S&P 500 | Apr 3, 2025 | May 12, 2025 | 39d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +226.0%S&P 500 +50.1% · +175.9 pts vs S&P 500 | Apr 4, 2025 | May 12, 2025 | 38d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +234.4%S&P 500 +53.0% · +181.4 pts vs S&P 500 | Apr 8, 2025 | May 12, 2025 | 34d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | +192.6%After the saleS&P 500 +41.4% · +151.2 pts vs S&P 500 | Apr 15, 2025 | May 12, 2025 | 27d |
| Ro Khanna | Stock | Sale | $15,001 - $50,000 | +192.6%After the saleS&P 500 +41.4% · +151.2 pts vs S&P 500 | Apr 15, 2025 | May 12, 2025 | 27d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | +208.6%After the saleS&P 500 +44.6% · +164.0 pts vs S&P 500 | Apr 16, 2025 | May 12, 2025 | 26d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | +208.5%After the saleS&P 500 +44.4% · +164.1 pts vs S&P 500 | Apr 17, 2025 | May 12, 2025 | 25d |
| Tommy TubervilleJoint | Stock | Sale (Full) | $1,001 - $15,000 | +125.5%After the saleS&P 500 +85.0% · +40.4 pts vs S&P 500 | Apr 3, 2023 | May 11, 2023 | 38d |
| Tommy TubervilleJoint | Stock | Purchase | $1,001 - $15,000 | +25.6%S&P 500 +65.7% · -40.0 pts vs S&P 500 | Mar 30, 2022 | Apr 8, 2022 | 9d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | +92.1%After the saleS&P 500 +156.0% · -63.9 pts vs S&P 500 | May 20, 2020 | Jun 17, 2020 | 28d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +81.7%S&P 500 +134.4% · -52.6 pts vs S&P 500 | Jan 8, 2020 | Feb 10, 2020 | 33d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | +176.3%After the saleS&P 500 +179.4% · -3.2 pts vs S&P 500 | Nov 13, 2018 | Dec 10, 2018 | 27d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +144.2%S&P 500 +160.7% · -16.5 pts vs S&P 500 | Oct 2, 2018 | Nov 9, 2018 | 38d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +169.4%S&P 500 +181.5% · -12.1 pts vs S&P 500 | Oct 25, 2018 | Nov 9, 2018 | 15d |
Since the trade is an estimate, set beside the S&P 500 over the same window, with the gap between the two in percentage points. The filing carries a band, not a fill, and a sale keeps the stock's sign, so a positive figure after a sale means the stock kept rising after it. An option row carries the underlying stock's move. A row marked n/a is one we hold no figure for.
A delay above 45 days is the gap between the dates on the report; we mark a filing late only after checking it.
"Not captured" means the band or the transaction type on the original report is missing from our data.
"Dates conflict" marks a row whose disclosure is dated before its trade on the record we hold. Both dates are printed as filed, and no since-the-trade figure is computed from them.
Every Congress trade in MKSI, filterable by party, chamber, type and account.
Questions
Which members of Congress have traded MKSI?
Lisa C. McClain, Ro Khanna and Tommy Tuberville disclosed MKSI transactions in the filings shown here.
How quickly are MKSI trades disclosed?
Congressional disclosures took a median of 28 days, against the 45 the STOCK Act allows.
How to read a STOCK Act filing
WHAT THE FILING ACTUALLY SAYS
Congress rows disclose a value range rather than an exact amount, and the STOCK Act allows up to 45 days to report. Full sourcing and the limits of this data are on the methodology page. A filing is a record of a transaction, not a signal, and nothing here is investment advice.
Data as of Oct 26, 2026.