MKSI
MKS INC
$320.62
+2.38%
$21.7B
No data for this timeframe.
Vol
Market Cap$21.7B
Cap SizeLarge Cap
Analyst ConsensusStrong Buy (85%)
Inst. Holders8 funds
Inst. Value$2.2B
Inst. Activity2 buys / 0 sells
Insider Activity0B / 19S
Insider Net $-$17.3M
SEC Reports11
Exchange Nasdaq·Sector Industrial Instruments For Measurement, Display, and Control·Inc. MA·CIK 0001049502·Prev Close $313.16
Recent Activity
May 19, 2026
SEC
Four MKSI insiders (EVP & GM, EVP/GC, and two directors) sold $3.03M in open-market sales over a week ending May 18. The
CLUSTER — Impact 3/10
May 19, 2026
short_volume
Short Volume: MKSI — 69.4% short (0.5M / 0.7M)
Short: 474,128 | Exempt: 427 | TRF Vol: 683,652 | Short Ratio: 69.4% | Off-exchange volume (dark poo
May 18, 2026
Insider
CANNONE PETER III sold 1,350 shares
Director @ $303.40 ($409.6K)
May 15, 2026
SEC
Three MKSI insiders sold shares totaling $2.62M over one week following strong Q1 earnings. The sales represent just 0.0
CLUSTER — Impact 3/10
May 14, 2026
SEC
Three MKSI insiders sold a total of $2.75M in open-market sales within a week of the company reporting strong Q1 2026 re
CLUSTER — Impact 3/10
May 14, 2026
Insider
Moloney Jacqueline F sold 1,000 shares
Director @ $312.20 ($312.2K)
May 13, 2026
Insider
Moloney Jacqueline F sold 1,400 shares
Director @ $318.99 ($446.6K)
Inst.
NORGES BANK — NEW
922,737 shares ($147.5M)
Price Targets
$359.08
+12.0% upside
Buy
Current $320.62
Low $265.00
Median $369.50
High $400.00
12 analysts
$265.00
$400.00
Analyst Ratings
4Strong Buy
13Buy
2Hold
1Sell
0Strong Sell
Recent Analyst Actions
| Date | Firm | Action | Rating |
|---|---|---|---|
| May 18, 2026 | Morgan Stanley | MAINTAIN | Overweight → Overweight |
| May 8, 2026 | Citigroup | MAINTAIN | Buy → Buy |
| May 8, 2026 | JP Morgan | MAINTAIN | Overweight → Overweight |
| May 8, 2026 | Wells Fargo | MAINTAIN | Equal-Weight → Equal-Weight |
| May 8, 2026 | Keybanc | MAINTAIN | Overweight → Overweight |
Earnings Estimates
| Period | EPS Est. | Range | Growth | # |
|---|---|---|---|---|
| Current Q | $2.95 ▲ +24.3% | $2.90 — $3.09 | 67% YoY | 12 |
| Next Q | $3.13 ▲ +19.0% | $2.91 — $3.38 | 62% YoY | 12 |
| Current FY | $11.65 ▲ +17.1% | $11.06 — $12.36 | 48% YoY | 12 |
| Next FY | $14.78 ▲ +21.7% | $13.50 — $17.01 | 27% YoY | 11 |
Latest Reports
NEUTRAL
CLUSTER
3/10
Four MKSI insiders (EVP & GM, EVP/GC, and two directors) sold $3.03M in open-market sales over a week ending May 18. The
May 19, 2026
NEUTRAL
CLUSTER
3/10
Three MKSI insiders sold shares totaling $2.62M over one week following strong Q1 earnings. The sales represent just 0.0
May 15, 2026
Top Institutional Holders
| Fund | Value | Move |
|---|---|---|
| VANGUARD GROUP INC | $1.2B | — |
| FMR LLC | $511.1M | — |
| NORGES BANK | $147.5M | NEW |
| CHARLES SCHWAB INVESTMENT MANAGEMENT | $139.1M | NEW |
| MORGAN STANLEY | $94.4M | — |
Recent Insider Trades
| Date | Insider | Type | Value |
|---|---|---|---|
| May 18, 2026 | CANNONE PETER | SELL | $409.6K |
| May 14, 2026 | Moloney Jacqueline | SELL | $312.2K |
| May 13, 2026 | Moloney Jacqueline | SELL | $446.6K |
| May 11, 2026 | COLELLA GERALD | A | $0.00 |
| May 11, 2026 | Batra Raj | A | $0.00 |
8 institutional holders with $2.2B total value (13,970,319 shares) as of 2025-Q4. Top holders: VANGUARD, FMR, NORGES. Net buying activity: 2 institutions added/increased vs 0 reduced.
Top Institutional Holders — 2025-Q4
| # | Fund | Shares | Value | % of Tracked | Last Move |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 7,487,305 | $1.2B | 53.6% | — |
| 2 | FMR LLC | 3,198,335 | $511.1M | 22.9% | — |
| 3 | NORGES BANK | 922,737 | $147.5M | 6.6% | NEW |
| 4 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 870,654 | $139.1M | 6.2% | NEW |
| 5 | MORGAN STANLEY | 590,521 | $94.4M | 4.2% | — |
| 6 | BANK OF AMERICA CORP /DE/ | 480,227 | $76.7M | 3.4% | TRIM -56.4% |
| 7 | WELLS FARGO & COMPANY/MN | 391,182 | $62.5M | 2.8% | — |
| 8 | TWO SIGMA INVESTMENTS, LP | 29,358 | $4.7M | 0.2% | DOUBLED +373.5% |
Recent Position Changes
| Fund | Action | Prev Shares | Curr Shares | Change % | Value | Quarter |
|---|---|---|---|---|---|---|
| NORGES BANK | NEW | — | 922,737 | — | $147.5M | 2025-Q4 |
| TWO SIGMA INVESTMENTS, LP | DOUBLED | 6,200 | 29,358 | +373.5% | $4.7M | 2025-Q4 |
| BANK OF AMERICA CORP /DE/ | TRIM | 982,643 | 427,998 | -56.4% | $53.0M | 2025-Q3 |
| TWO SIGMA INVESTMENTS, LP | ADD | 4,800 | 6,200 | +29.2% | $767.4K | 2025-Q3 |
| NORGES BANK | EXIT | 859,406 | 0 | -100.0% | $0.00 | 2025-Q3 |
| BANK OF AMERICA CORP /DE/ | ADD | 681,420 | 982,643 | +44.2% | $97.6M | 2025-Q2 |
| NORGES BANK | NEW | — | 859,406 | — | $85.4M | 2025-Q2 |
| TWO SIGMA INVESTMENTS, LP | NEW | — | 4,800 | — | $476.9K | 2025-Q2 |
| RENAISSANCE TECHNOLOGIES LLC | EXIT | 37,803 | 0 | -100.0% | $0.00 | 2025-Q2 |
| CITADEL ADVISORS LLC | ADD | 85,320 | 122,200 | +43.2% | $9.8M | 2025-Q1 |
| RENAISSANCE TECHNOLOGIES LLC | TRIM | 125,403 | 37,803 | -69.9% | $3.0M | 2025-Q1 |
| TWO SIGMA INVESTMENTS, LP | EXIT | 42,200 | 0 | -100.0% | $0.00 | 2025-Q1 |
| NORGES BANK | EXIT | 818,576 | 0 | -100.0% | $0.00 | 2025-Q1 |
| RENAISSANCE TECHNOLOGIES LLC | NEW | — | 125,403 | — | $13.1M | 2024-Q4 |
| CITADEL ADVISORS LLC | TRIM | 144,683 | 85,320 | -41.0% | $8.9M | 2024-Q4 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | NEW | — | 663,414 | — | $72.1M | 2024-Q3 |
15 unique insiders with 19 transactions. Net insider value: -$17.3M ($0.00 bought, $17.3M sold).
Insider Transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 18, 2026 | CANNONE PETER III | Director | SELL | 1,350 | $303.40 | $409.6K |
| May 14, 2026 | Moloney Jacqueline F | Director | SELL | 1,000 | $312.20 | $312.2K |
| May 13, 2026 | Moloney Jacqueline F | Director | SELL | 1,400 | $318.99 | $446.6K |
| May 11, 2026 | COLELLA GERALD G | Director | A | 781.959 | $0.00 | $0.00 |
| May 11, 2026 | Batra Raj | Director | A | 781.959 | $0.00 | $0.00 |
| May 11, 2026 | CANNONE PETER III | Director | A | 781.959 | $0.00 | $0.00 |
| May 11, 2026 | Donahue Joseph B | Director | A | 781.959 | $0.00 | $0.00 |
| May 11, 2026 | Burke Kathleen Flaherty | EVP, GC & Secretary | SELL | 4,355 | $319.94 | $1.4M |
| May 11, 2026 | Mora Elizabeth | Director | A | 781.959 | $0.00 | $0.00 |
| May 11, 2026 | JABRE WISSAM G | Director | A | 781.959 | $0.00 | $0.00 |
| May 11, 2026 | Moloney Jacqueline F | Director | A | 781.959 | $0.00 | $0.00 |
| May 11, 2026 | Taranto Eric Robert | EVP & GM, VSD | SELL | 2,848.522 | $319.93 | $911.3K |
| Apr 17, 2026 | Williams John Edward | EVP & GM, PSD | M | 1,740.714 | $0.00 | $0.00 |
| Apr 17, 2026 | Williams John Edward | EVP & GM, PSD | F | 825.969 | $269.89 | $222.9K |
| Apr 17, 2026 | Williams John Edward | EVP & GM, PSD | M | 1,740.714 | $0.00 | $0.00 |
| Apr 15, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | M | 968 | $0.00 | $0.00 |
| Apr 15, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | F | 1,375.451 | $274.15 | $377.1K |
| Apr 15, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | A | 1,672.862 | $0.00 | $0.00 |
| Apr 15, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | M | 968 | $0.00 | $0.00 |
| Mar 12, 2026 | Moloney Jacqueline F | Director | SELL | 340.107 | $213.77 | $72.7K |
| Mar 6, 2026 | Taranto Eric Robert | EVP & GM, VSD | SELL | 4,567.879 | $220.52 | $1.0M |
| Mar 2, 2026 | Mora Elizabeth | Director | SELL | 300 | $239.44 | $71.8K |
| Feb 24, 2026 | Schreiner James Alan | EVP & COO | SELL | 4,100 | $255.00 | $1.0M |
| Feb 24, 2026 | COLELLA GERALD G | Director | SELL | 10,000 | $253.97 | $2.5M |
| Feb 20, 2026 | McCarthy Michelle M | VP & Chief Accounting Officer | SELL | 650 | $249.57 | $162.2K |
| Feb 20, 2026 | CANNONE PETER III | Director | SELL | 1,250 | $258.06 | $322.6K |
| Feb 20, 2026 | COLELLA GERALD G | Director | SELL | 10,000 | $252.90 | $2.5M |
| Feb 20, 2026 | Moloney Jacqueline F | Director | SELL | 829 | $247.55 | $205.2K |
| Feb 20, 2026 | Williams John Edward | EVP & GM, PSD | SELL | 2,042.625 | $256.41 | $523.7K |
| Feb 20, 2026 | Taranto Eric Robert | EVP & GM, VSD | SELL | 1,452.73 | $247.55 | $359.6K |
| Feb 20, 2026 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | SELL | 2,000 | $261.56 | $523.1K |
| Feb 20, 2026 | Lee John Tseng-Chung | President & CEO | SELL | 13,310 | $256.05 | $3.4M |
| Feb 20, 2026 | Burke Kathleen Flaherty | EVP, GC & Secretary | SELL | 4,254 | $250.00 | $1.1M |
| Feb 8, 2026 | Lee John Tseng-Chung | President & CEO | A | 50,971.84 | $0.00 | $0.00 |
| Feb 8, 2026 | Williams John Edward | EVP & GM, PSD | A | 2,973.357 | $0.00 | $0.00 |
| Feb 8, 2026 | Taranto Eric Robert | EVP & GM, VSD | A | 3,504.314 | $0.00 | $0.00 |
| Feb 8, 2026 | Schreiner James Alan | EVP & COO | A | 5,226.759 | $0.00 | $0.00 |
| Feb 8, 2026 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | A | 5,521.949 | $0.00 | $0.00 |
| Feb 8, 2026 | Mayampurath Ramakumar | EVP & CFO | A | 8,877.596 | $0.00 | $0.00 |
| Feb 8, 2026 | Burke Kathleen Flaherty | EVP, GC & Secretary | A | 7,008.628 | $0.00 | $0.00 |
11 SEC filing reports analyzed. Sentiment: 0 bullish, 1 bearish, 0 mixed, 10 neutral. Avg impact: 3.4/10.
NEUTRAL
CLUSTER
3/10
Four MKSI insiders (EVP & GM, EVP/GC, and two directors) sold $3.03M in open-market sales over a wee
May 19, 2026
NEUTRAL
CLUSTER
3/10
Three MKSI insiders sold shares totaling $2.62M over one week following strong Q1 earnings. The sale
May 15, 2026
NEUTRAL
CLUSTER
3/10
Three MKSI insiders sold a total of $2.75M in open-market sales within a week of the company reporti
May 14, 2026
NEUTRAL
CLUSTER
3/10
Two MKSI executives (EVP/GC and EVP/GM) sold a combined $2.3M in open-market sales on May 11, 2026,
May 12, 2026
NEUTRAL
PRESS-RELEASE
3/10
MKS Inc. announced a future earnings release date for Q1 2026, with no financial results reported in
Apr 13, 2026
NEUTRAL
8-K
3/10
Kathleen F. Burke, Executive Vice President, General Counsel, and Secretary of MKS Inc., notified th
Apr 6, 2026
NEUTRAL
DEFA14A
4/10
MKS Inc. has filed a definitive proxy statement for its 2026 annual meeting, where shareholders will
Mar 31, 2026
NEUTRAL
CLUSTER
3/10
Director Jacqueline Moloney sold 340 shares of MKSI in the open market for $72,705. This single tran
Mar 13, 2026
NEUTRAL
CLUSTER
4/10
An executive at MKSI — EVP & GM of VSD — sold over $1 million in shares through open-market transact
Mar 9, 2026
NEUTRAL
CLUSTER
2/10
Elizabeth Mora sold 300 shares of MKSI in an open-market transaction, generating proceeds of $71,832
Mar 3, 2026
BEARISH
CLUSTER
6/10
Two executives at MKS Instruments (MKSI) sold shares in the past week, including COO James Alan Schr
Feb 25, 2026
No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.
Current analyst consensus: Strong Buy (85% buy). Based on 20 analysts: 4 strong buy, 13 buy, 2 hold, 1 sell, 0 strong sell.
Analyst Price Targets
$359.08 mean target
+12.0% upside
Buy (1.75)
$265.00 Low
$400.00 High
| Metric | Value |
|---|---|
| Current Price | $320.62 |
| Target Low | $265.00 |
| Target Mean | $359.08 |
| Target Median | $369.50 |
| Target High | $400.00 |
| # Analysts | 12 |
| Recommendation | Buy (1.75) |
Earnings Estimates & Revisions
| Period | EPS Avg | EPS Low | EPS High | EPS Growth | 30d Rev. | Up/Down | Rev. Avg | Rev. Growth | Analysts |
|---|---|---|---|---|---|---|---|---|---|
| Current Q 2026-06-30 |
$2.95 | $2.90 | $3.09 | 66.8% | +24.3% | 12↑ 0↓ | $1.2B | 23.9% | 12 |
| Next Q 2026-09-30 |
$3.13 | $2.91 | $3.38 | 62.3% | +19.0% | 11↑ 0↓ | $1.2B | 25.3% | 12 |
| Current FY 2026-12-31 |
$11.65 | $11.06 | $12.36 | 47.8% | +17.1% | 12↑ 0↓ | $4.8B | 22.0% | 12 |
| Next FY 2027-12-31 |
$14.78 | $13.50 | $17.01 | 26.9% | +21.7% | 11↑ 0↓ | $5.5B | 14.3% | 11 |
Current Quarter EPS Revision History
| Timepoint | EPS Estimate | Change |
|---|---|---|
| Current | $2.952 | |
| 7d ago | $2.952 | |
| 30d ago | $2.375 | +0.577 |
| 60d ago | $2.356 | +0.596 |
| 90d ago | $2.148 | +0.804 |
12 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 0 initiations.
Individual Analyst Actions
| Date | Analyst Firm | Action | Previous Rating | New Rating |
|---|---|---|---|---|
| May 18, 2026 | Morgan Stanley | MAINTAIN | Overweight | Overweight |
| May 8, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| May 8, 2026 | JP Morgan | MAINTAIN | Overweight | Overweight |
| May 8, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| May 8, 2026 | Keybanc | MAINTAIN | Overweight | Overweight |
| May 7, 2026 | Needham | MAINTAIN | Buy | Buy |
| Apr 22, 2026 | Cantor Fitzgerald | MAINTAIN | Overweight | Overweight |
| Mar 20, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| Feb 19, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| Feb 19, 2026 | Goldman Sachs | MAINTAIN | Sell | Sell |
| Feb 19, 2026 | JP Morgan | MAINTAIN | Overweight | Overweight |
| Feb 19, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| Feb 19, 2026 | Deutsche Bank | MAINTAIN | Buy | Buy |
| Feb 19, 2026 | Needham | MAINTAIN | Buy | Buy |
| Jan 22, 2026 | TD Cowen | MAINTAIN | Buy | Buy |
| Jan 22, 2026 | Morgan Stanley | MAINTAIN | Overweight | Overweight |
| Jan 22, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| Jan 22, 2026 | Needham | MAINTAIN | Buy | Buy |
| Jan 22, 2026 | B of A Securities | MAINTAIN | Buy | Buy |
| Jan 20, 2026 | Cantor Fitzgerald | MAINTAIN | Overweight | Overweight |
| Jan 16, 2026 | Keybanc | MAINTAIN | Overweight | Overweight |
| Jan 15, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| Jan 13, 2026 | Needham | MAINTAIN | Buy | Buy |
| Jan 13, 2026 | B of A Securities | MAINTAIN | Buy | Buy |
| Dec 17, 2025 | Mizuho | MAINTAIN | Outperform | Outperform |
Monthly Consensus History
| Period | Strong Buy | Buy | Hold | Sell | Strong Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| May 1, 2026 | 4 | 13 | 2 | 1 | 0 | 85% | |
| Apr 1, 2026 | 4 | 13 | 2 | 1 | 0 | 85% | |
| Mar 1, 2026 | 4 | 13 | 2 | 1 | 0 | 85% | |
| Feb 1, 2026 | 4 | 14 | 2 | 1 | 0 | 86% | |
| Jan 1, 2026 | 4 | 14 | 2 | 1 | 0 | 86% |
Strong BuyBuyHoldSellStrong Sell
No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.
No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.
May 19, 2026
short_volume
Short Volume: MKSI — 69.4% short (0.5M / 0.7M)
Short: 474,128 | Exempt: 427 | TRF Vol: 683,652 | Short Ratio: 69.4% | Off-exchange volume (dark pool + OTC)
May 18, 2026
short_volume
Short Volume: MKSI — 75.9% short (0.6M / 0.7M)
Short: 554,578 | Exempt: 176 | TRF Vol: 731,123 | Short Ratio: 75.9% | Off-exchange volume (dark pool + OTC)
May 15, 2026
short_volume
Short Volume: MKSI — 65.2% short (0.4M / 0.6M)
Short: 419,830 | Exempt: 44 | TRF Vol: 644,236 | Short Ratio: 65.2% | Off-exchange volume (dark pool + OTC)
May 14, 2026
short_volume
Short Volume: MKSI — 82.7% short (0.5M / 0.6M)
Short: 466,839 | Exempt: 0 | TRF Vol: 564,236 | Short Ratio: 82.7% | Off-exchange volume (dark pool + OTC)
May 12, 2026
short_volume
Short Volume: MKSI — 59.4% short (0.4M / 0.6M)
Short: 382,653 | Exempt: 4,289 | TRF Vol: 644,246 | Short Ratio: 59.4% | Off-exchange volume (dark pool + OTC)
May 11, 2026
short_volume
Short Volume: MKSI — 56.8% short (0.3M / 0.5M)
Short: 306,772 | Exempt: 0 | TRF Vol: 540,330 | Short Ratio: 56.8% | Off-exchange volume (dark pool + OTC)
May 8, 2026
short_volume
Short Volume: MKSI — 56.4% short (0.4M / 0.8M)
Short: 424,004 | Exempt: 3 | TRF Vol: 751,859 | Short Ratio: 56.4% | Off-exchange volume (dark pool + OTC)
May 6, 2026
earnings
MKS Inc. Reports First Quarter 2026 Financial Results
<p>ANDOVER, Mass., May 06, 2026 (GLOBE NEWSWIRE) -- MKS Inc. (NASDAQ: MKSI), a global provider of enabling technologies that transform our world, to
May 6, 2026
earnings_calendar
MKSI Q1 2026 Earnings After Market Close — 2026-05-06
May 4, 2026
short_volume
Short Volume: MKSI — 59.7% short (0.5M / 0.9M)
Short: 536,124 | Exempt: 0 | TRF Vol: 898,649 | Short Ratio: 59.7% | Off-exchange volume (dark pool + OTC)
May 1, 2026
short_volume
Short Volume: MKSI — 63.6% short (0.4M / 0.6M)
Short: 402,193 | Exempt: 20 | TRF Vol: 632,870 | Short Ratio: 63.6% | Off-exchange volume (dark pool + OTC)
Apr 30, 2026
short_volume
Short Volume: MKSI — 60.8% short (0.3M / 0.5M)
Short: 305,113 | Exempt: 0 | TRF Vol: 501,460 | Short Ratio: 60.8% | Off-exchange volume (dark pool + OTC)
Apr 27, 2026
dark_pool
Dark Pool: MKSI — 1.7M shares, 41,211 trades
Week starting 2026-04-27. Total ATS volume: 1,721,055 shares across 41,211 trades.
Apr 22, 2026
short_volume
Short Volume: MKSI — 59.1% short (0.5M / 0.9M)
Short: 535,990 | Exempt: 0 | TRF Vol: 906,385 | Short Ratio: 59.1% | Off-exchange volume (dark pool + OTC)
Apr 20, 2026
dark_pool
Dark Pool: MKSI — 2.1M shares, 46,533 trades
Week starting 2026-04-20. Total ATS volume: 2,077,237 shares across 46,533 trades.