MKSI

MKT CAP:$19B

MKS Inc.

Market Cap

$19B

Technology·Hardware, Equipment & Parts·🇺🇸 United States·NASDAQ

Technology·Hardware,·🇺🇸·NASDAQ

Stock Price

$290.00+$121.64 (+72.25%)

Apr 24, 2026

Company Details

MKS Inc. provides instruments, systems, subsystems, and process control solutions that measure, monitor, deliver, analyze, power, and control critical parameters of manufacturing processes worldwide. Its Vacuum & Analysis segment offers pre...

CEO

John T. C. Lee

IPO Date

Mar 30, 1999

Website

www.mksinst.com

Key Metrics TTM

Revenue

$3.8B

+6.8% YoY

Net Income

$279M

EPS (Diluted)

$4.12

Free Cash Flow

$530M

Revenue / Share

$56.67

Gross Margin

47.0%

Operating Margin

13.6%

Net Margin

7.3%

FCF Margin

13.8%

P/S

4.9x

P/E

67.8x

Earnings Reports

Q4 2025

May 6, 2026

PENDING

FY 2025

Feb 24, 2026

$3.9B+9.6%EPS $4.37

Q3 2025

Nov 6, 2025

$988M+10.3%EPS $1.10

Q2 2025

Aug 7, 2025

$973MEPS $0.92

Q1 2025

May 8, 2025

$936M+7.8%EPS $0.77

Revenue & Profitability

Quarter	Revenue	Gross Profit	Operating Income
Q3 21	$742M	$348M	$175M
Q4 21	$764M	$355M	$182M
Q1 22	$742M	$334M	$172M
Q2 22	$765M	$338M	$164M
Q3 22	$954M	$390M	$118M
Q4 22	$1.1B	$485M	$163M
Q1 23	$794M	$335M	$1M
Q2 23	$1.0B	$470M	-$1.7B
Q3 23	$932M	$426M	$118M
Q4 23	$892M	$411M	$24M
Q1 24	$868M	$415M	$106M
Q3 24	$896M	$432M	$128M
Q4 24	$934M	$441M	$136M
Q1 25	$936M	$444M	$111M
Q2 25	$973M	$453M	$135M
Q3 25	$988M	$461M	$138M

Valuation

Quarter	P/S	P/E
Q3 21	3.0x	16.7x
Q4 21	3.3x	17.9x
Q1 22	2.9x	15.2x
Q2 22	2.0x	10.7x
Q3 22	1.8x	13.3x
Q4 22	1.9x	19.7x
Q1 23	1.6x	39.3x
Q2 23	1.9x	—
Q3 23	1.5x	—
Q4 23	1.9x	—
Q1 24	2.4x	—
Q3 24	2.0x	155.9x
Q4 24	2.0x	70.9x
Q1 25	1.5x	24.5x
Q2 25	1.8x	25.0x
Q3 25	2.1x	29.4x

Operating Cash Flow

Quarter	Operating CF	Free CF
Q3 21	$153M	$133M
Q4 21	$194M	$171M
Q1 22	$41M	$22M
Q2 22	$105M	$41M
Q3 22	$199M	$173M
Q4 22	$184M	$129M
Q1 23	$37M	$20M
Q2 23	-$59M	-$77M
Q3 23	$160M	$142M
Q4 23	$181M	$147M
Q1 24	$67M	$49M
Q3 24	$130M	$108M
Q4 24	$176M	$125M
Q1 25	$141M	$123M
Q2 25	$165M	$136M
Q3 25	$197M	$146M

Capital Expenditures

Quarter	CapEx
Q3 21	$21M
Q4 21	$23M
Q1 22	$19M
Q2 22	$64M
Q3 22	$26M
Q4 22	$55M
Q1 23	$17M
Q2 23	$18M
Q3 23	$18M
Q4 23	$34M
Q1 24	$18M
Q3 24	$22M
Q4 24	$51M
Q1 25	$18M
Q2 25	$29M
Q3 25	$51M

CapEx

OpEx vs Revenue Growth (YoY)

Quarter	Revenue Growth	OpEx Growth
Q3 21	+25.8%	+19.8%
Q4 21	+15.7%	+13.4%
Q1 22	+6.9%	+5.9%
Q2 22	+2.0%	+6.6%
Q3 22	+28.6%	+47.4%
Q4 22	+42.2%	+58.6%
Q1 23	+7.0%	+39.1%
Q2 23	+31.1%	+349.1%
Q3 23	-2.3%	-2.6%
Q4 23	-17.9%	-6.0%
Q1 24	+9.3%	-3.9%
Q3 24	-10.7%	-71.5%
Q4 24	+0.2%	-2.0%
Q1 25	+4.9%	-5.0%
Q2 25	+12.1%	+10.0%
Q3 25	+10.3%	+10.7%

Stock-Based Compensation

Quarter	SBC ($)	% of Revenue
Q3 21	$0	0.0%
Q4 21	$9M	1.2%
Q1 22	$8M	1.1%
Q2 22	$13M	1.7%
Q3 22	$10M	1.0%
Q4 22	$14M	1.3%
Q1 23	$18M	2.3%
Q2 23	$13M	1.3%
Q3 23	$13M	1.4%
Q4 23	$11M	1.2%
Q1 24	$15M	1.7%
Q3 24	$0	0.0%
Q4 24	$11M	1.2%
Q1 25	$22M	2.4%
Q2 25	$12M	1.2%
Q3 25	$12M	1.2%

OpEx Breakdown

Quarter	R&D	SG&A
Q3 21	$52M	$95M
Q4 21	$51M	$96M
Q1 22	$52M	$92M
Q2 22	$53M	$101M
Q3 22	$63M	$126M
Q4 22	$73M	$169M
Q1 23	$72M	$174M
Q2 23	$75M	$172M
Q3 23	$71M	$167M
Q4 23	$70M	$161M
Q1 24	$70M	$170M
Q3 24	$70M	$167M
Q4 24	$65M	$176M
Q1 25	$70M	$185M
Q2 25	$76M	$175M
Q3 25	$76M	$180M

Revenue Segments

Quarter	Equipment And Solutions	Light And Motion Segment	Vacuum And Analysis Segment	Equipment Solutions Division Member	Photonics Solutions Division	Vacuum Solutions Division Member	Product	Service
Q3 21	$50M	$209M	$483M	—	—	—	—	—
Q4 21	$49M	$230M	$485M	—	—	—	—	—
Q1 22	—	—	—	$40M	$228M	$474M	—	—
Q2 22	—	—	—	$30M	$228M	$507M	—	—
Q3 22	—	—	—	$177M	$267M	$510M	—	—
Q4 22	—	—	—	$270M	$341M	$475M	—	—
Q1 23	—	—	—	—	—	—	$712M	$82M
Q2 23	—	—	—	—	—	—	$885M	$118M
Q3 23	—	—	—	—	—	—	$818M	$114M
Q4 23	—	—	—	—	—	—	$785M	$108M
Q1 24	—	—	—	—	—	—	$754M	$114M
Q3 24	—	—	—	—	—	—	$776M	$120M
Q4 24	—	—	—	—	—	—	$824M	$111M
Q1 25	—	—	—	—	—	—	$819M	$117M
Q2 25	—	—	—	—	—	—	$848M	$125M
Q3 25	—	—	—	—	—	—	$860M	$128M

Revenue by Geography

Quarter	C N	Europe	J P	K R	Other Asia	T W	U S	China	Japan	Korea, Republic Of	North America	Taiwan, Province Of China	Germany	Other countries	United States	Singapore	Taiwan
Q3 21	$80M	$58M	$47M	$91M	$74M	$44M	$348M	—	—	—	—	—	—	—	—	—	—
Q1 22	—	$61M	—	—	$94M	—	—	$67M	$51M	$83M	$351M	$35M	—	—	—	—	—
Q2 22	—	$63M	—	—	$169M	—	—	$82M	—	$95M	$356M	—	—	—	—	—	—
Q3 22	—	—	—	—	—	—	—	$135M	—	$82M	—	—	$100M	$244M	$393M	—	—
Q4 22	—	—	—	—	—	—	—	$222M	—	$100M	—	—	$67M	$330M	$367M	—	—
Q1 23	—	—	—	—	—	—	—	$147M	—	$74M	—	—	$73M	$246M	$254M	—	—
Q2 23	—	—	—	—	—	—	—	$175M	—	$87M	—	—	$65M	$310M	$366M	—	—
Q3 23	—	—	—	—	—	—	—	$183M	$59M	$99M	—	—	$44M	$230M	$317M	—	—
Q4 23	—	—	—	—	—	—	—	$175M	$195M	$83M	—	—	$54M	$96M	$290M	—	—
Q1 24	—	—	—	—	—	—	—	$157M	$49M	$72M	—	—	$73M	$209M	$308M	—	—
Q3 24	—	—	—	—	—	—	—	$192M	$65M	$89M	—	—	—	$230M	$194M	$60M	$66M
Q1 25	—	—	—	—	—	—	—	$219M	$68M	$103M	—	—	—	$246M	$177M	$63M	$60M
Q2 25	—	—	—	—	—	—	—	$219M	$59M	$122M	—	—	—	$248M	$187M	$72M	$66M
Q3 25	—	—	—	—	—	—	—	$236M	$56M	$106M	—	—	—	$264M	$196M	$60M	$70M

War Chest

Quarter	Cash	Short-term Investments	Total
Q1 22	$1.0B	$42M	$1.1B
Q2 22	$1.1B	$2M	$1.1B
Q3 22	$884M	$1M	$885M
Q4 22	$909M	$1M	$910M
Q1 23	$880M	$1M	$881M
Q2 23	$757M	$1M	$758M
Q3 23	$859M	$1M	$860M
Q4 23	$875M	$0	$875M
Q1 24	$845M	$1M	$846M
Q2 24	$850M	$1M	$851M
Q3 24	$861M	$0	$861M
Q4 24	$714M	$0	$714M
Q1 25	$655M	$0	$655M
Q2 25	$674M	$0	$674M
Q3 25	$697M	$0	$697M
Q4 25	$675M	$0	$675M

Shares Outstanding

Quarter	Shares (Diluted)	QoQ Change	YoY Change
Q3 21	56M	0.0%	+0.5%
Q4 21	56M	0.0%	+0.4%
Q1 22	56M	+0.2%	+0.4%
Q2 22	56M	0.0%	+0.2%
Q3 22	61M	+9.5%	+9.7%
Q4 22	67M	+9.2%	+19.7%
Q1 23	67M	0.0%	+19.5%
Q2 23	67M	+0.1%	+19.7%
Q3 23	67M	+0.4%	+9.8%
Q4 23	67M	0.0%	+0.6%
Q1 24	67M	+0.4%	+1.0%
Q3 24	68M	+0.3%	+1.2%
Q4 24	68M	+0.1%	+0.9%
Q1 25	68M	0.0%	+0.9%
Q2 25	67M	-0.4%	0.0%
Q3 25	68M	+0.3%	0.0%

Shares Outstanding

Revenue Per Employee

Period	Revenue/Employee	Employees
Q3 21	$127.9K	6K
Q4 21	$119.4K	6K
Q1 22	$115.9K	6K
Q2 22	$119.5K	6K
Q3 22	$149.1K	6K
Q4 22	$99.6K	11K
Q1 23	$72.8K	11K
Q2 23	$92.0K	11K
Q3 23	$85.5K	11K
Q4 23	$87.5K	10K
Q1 24	$85.1K	10K
Q3 24	$87.8K	10K
Q4 24	$91.6K	10K
Q1 25	$91.8K	10K
Q2 25	$95.4K	10K
Q3 25	$96.9K	10K

Revenue / Employee