KLA Corp. engages in the supply of process control and yield management solutions for the semiconductor and related nano-electronics industries. Its products include manufactured chips, reticle, packaging, surface profilers, nanochemical testers, KT pro equipment, and compound semiconductors. The company was founded in April 1997 and is headquartered in Milpitas, CA.

Company profile

Richard Wallace
Fiscal year end
Former names
IRS number

KLAC stock data



4 Feb 21
22 Apr 21
30 Jun 21
Quarter (USD)
Dec 20 Sep 20 Jun 20 Mar 20
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Annual (USD)
Jun 20 Jun 19 Jun 18 Jun 17
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Financial data from KLA earnings reports.

Date Owner Security Transaction Code Indirect 10b5-1 $Price #Shares $Value #Remaining
25 Feb 21 Bren D. Higgins Common Stock Sell Dispose S No Yes 322.69 3,795 1.22M 1,828
19 Feb 21 Oreste Donzella Common Stock Sell Dispose S No No 329.38 274 90.25K 5,325
8 Feb 21 Oreste Donzella Common Stock Sell Dispose S No No 300.9 1,287 387.26K 5,599
3 Feb 21 Wallace Richard P Common Stock Sell Dispose S No Yes 301.6 4,216 1.27M 76,906
1 Feb 21 Kennedy Kevin Common Stock Sell Dispose S Yes Yes 293.45 300 88.04K 4,821
1 Feb 21 Kennedy Kevin Common Stock Sell Dispose S Yes Yes 292.212 422 123.31K 5,121
1 Feb 21 Kennedy Kevin Common Stock Sell Dispose S Yes Yes 290.147 300 87.04K 5,543
1 Feb 21 Kennedy Kevin Common Stock Sell Dispose S Yes Yes 288.66 9 2.6K 5,843
1 Feb 21 Kennedy Kevin Common Stock Sell Dispose S Yes Yes 287.586 500 143.79K 5,852
1 Feb 21 Kennedy Kevin Common Stock Sell Dispose S Yes Yes 285.428 500 142.71K 6,352

Data for the last complete 13F reporting period. To see the most recent changes to ownership, click the ownership history button above.

88.3% owned by funds/institutions
13F holders
Current Prev Q Change
Total holders 821 729 +12.6%
Opened positions 148 80 +85.0%
Closed positions 56 84 -33.3%
Increased positions 262 272 -3.7%
Reduced positions 302 274 +10.2%
13F shares
Current Prev Q Change
Total value 35.24B 26.6B +32.5%
Total shares 136.1M 137.26M -0.8%
Total puts 1.29M 977.71K +31.8%
Total calls 956.91K 976.21K -2.0%
Total put/call ratio 1.3 1.0 +34.4%
Largest owners
Shares Value Change
Vanguard 18.73M $4.85B -2.2%
BLK Blackrock 12.12M $3.14B -0.2%
Primecap Management 9.36M $2.42B -2.7%
Capital International Investors 8.55M $2.21B -6.5%
STT State Street 6.39M $1.66B -3.2%
Wellington Management 6.35M $1.64B -10.9%
TROW T. Rowe Price 3.62M $936.35M +98.5%
FMR 3.57M $923.2M +1.3%
JHG Janus Henderson 3.56M $921.01M -1.7%
AMP Ameriprise Financial 2.67M $690.51M -3.3%
Largest transactions
Shares Bought/sold Change
TROW T. Rowe Price 3.62M +1.79M +98.5%
Norges Bank 1.6M +1.6M NEW
Wellington Management 6.35M -779.11K -10.9%
Capital International Investors 8.55M -596.34K -6.5%
Vanguard 18.73M -416.51K -2.2%
Alkeon Capital Management 1.54M -387.99K -20.1%
JPM JPMorgan Chase & Co. 329.07K -366.12K -52.7%
MS Morgan Stanley 716.44K +326.12K +83.5%
Epoch Investment Partners 912.04K -324.16K -26.2%
Boston Partners 1.38M -265.52K -16.1%

Financial report summary

  • The current COVID-19 pandemic and the potential aftereffects from it could materially harm our business, financial condition and results of operations.
  • A majority of our annual revenues are derived from outside the United States, and we maintain significant operations outside the United States. We are exposed to numerous risks as a result of the international nature of our business and operations.
  • We are exposed to risks associated with a weakening in the condition of the financial markets and the global economy.
  • We might be involved in claims or disputes related to intellectual property or other confidential information that may be costly to resolve, prevent us from selling or using the challenged technology and seriously harm our operating results and financial condition.
  • We are exposed to various risks related to the legal, regulatory and tax environments in which we perform our operations and conduct our business.
  • We depend on key personnel to manage our business effectively, and if we are unable to attract, retain and motivate our key employees, our sales and product development could be harmed.
  • We outsource a number of services to third-party service providers, which decreases our control over the performance of these functions. Disruptions or delays at our third-party service providers could adversely impact our operations.
  • We are exposed to risks related to cybersecurity threats and cyber incidents.
  • We rely upon certain critical information systems for our daily business operations. Our inability to use or access our information systems at critical points in time could unfavorably impact our business operations.
  • Acquisitions are an important element of our strategy but, because of the uncertainties involved, we may not find suitable acquisition candidates and we may not be able to successfully integrate and manage acquired businesses. We are also exposed to risks in connection with strategic alliances into which we may enter.
  • Disruption of our manufacturing facilities or other operations, or in the operations of our customers, due to earthquake, flood, other natural catastrophic events, health epidemics or terrorism could result in cancellation of orders, delays in deliveries or other business activities, or loss of customers and could seriously harm our business.
  • We are predominantly uninsured for losses and interruptions caused by terrorist acts and acts of war. If international political instability continues or increases, our business and results of operations could be harmed.
  • We self-insure certain risks including earthquake risk. If one or more of the uninsured events occurs, we could suffer major financial loss.
  • We are exposed to foreign currency exchange rate fluctuations. Although we hedge certain currency risks, we may still be adversely affected by changes in foreign currency exchange rates or declining economic conditions in these countries.
  • We are exposed to fluctuations in interest rates and the market values of our portfolio investments; impairment of our investments could harm our earnings. In addition, we and our stockholders are exposed to risks related to the volatility of the market for our common stock.
  • We are exposed to risks in connection with tax and regulatory compliance audits in various jurisdictions.
  • A change in our effective tax rate can have a significant adverse impact on our business.
  • Compliance with federal securities laws, rules and regulations, as well as NASDAQ requirements, has become increasingly complex, and the significant attention and expense we must devote to those areas may have an adverse impact on our business.
  • A change in accounting standards or practices or a change in existing taxation rules or practices (or changes in interpretations of such standards, practices or rules) can have a significant effect on our reported results and may even affect reporting of transactions completed before the change is effective.
  • Ongoing changes in the technology industry, as well as the semiconductor industry in particular, could expose our business to significant risks.
  • We are exposed to risks associated with a highly concentrated customer base.
  • If we do not develop and introduce new products and technologies in a timely manner in response to changing market conditions or customer requirements, our business could be seriously harmed.
  • Our success is dependent in part on our technology and other proprietary rights. If we are unable to maintain our lead or protect our proprietary technology, we may lose valuable assets.
  • Our future performance depends, in part, upon our ability to continue to compete successfully worldwide.
  • Our business would be harmed if we do not receive parts sufficient in number and performance to meet our production requirements and product specifications in a timely and cost-effective manner.
  • If we fail to operate our business in accordance with our business plan, our operating results, business and stock price may be significantly and adversely impacted.
  • We have a leveraged capital structure.
  • Our leveraged capital structure may adversely affect our financial condition, results of operations and net income per share.
  • There can be no assurance that we will continue to declare cash dividends at all or in any particular amounts.
  • We are exposed to risks related to our commercial terms and conditions, including our indemnification of third parties, as well as the performance of our products.
  • There are risks associated with our receipt of government funding for research and development.
  • We have recorded significant restructuring, inventory write-off and asset impairment charges and may do so again in the future, which could have a material negative impact on our results of operations.
  • We are exposed to risks related to our financial arrangements with respect to receivables factoring and banking arrangements.
  • We are subject to the risks of additional government actions in the event we were to breach the terms of any settlement arrangement into which we have entered.
Management Discussion
  • Our business is affected by the concentration of our customer base and our customers' capital equipment procurement schedules as a result of their investment plans. Our product revenues in any particular period are significantly impacted by the amount of new orders that we receive during that period and, depending upon the duration of manufacturing and installation cycles, in the preceding period.
  • Service revenues are generated from product maintenance and support services, as well as billable time and material service calls made to our customers. The amount of our service revenues is typically a function of the number of systems installed at our customers’ sites and the utilization of those systems, but it is also impacted by other factors, such as our rate of service contract renewals, the types of systems being serviced and fluctuations in foreign exchange rates.
  • Product revenues during the three months ended December 31, 2020 increased compared to the three months ended December 31, 2019, primarily due to strong demand from our memory and logic customers and an increase from continued growth in the 5G infrastructure market, ongoing work from home requirements, and high-performance computing technologies. These increases were partially offset by softer demand and oversupply in the FPD market.
Content analysis
H.S. junior Avg
New words: premium, thirteen
Removed: bad, disposition


Plasma cell for providing VUV filtering in a laser-sustained plasma light source
13 Apr 21
A plasma cell for use in a laser-sustained plasma light source includes a plasma bulb configured to contain a gas suitable for generating a plasma.
Reflective pupil relay system
13 Apr 21
Methods and systems for relaying an optical image using a cascade arrangement of tilted, concave mirrors are presented.
Nano-structured non-polarizing beamsplitter
13 Apr 21
A beamsplitter includes a substrate formed from a material transparent to wavelengths of light at least above a selected cutoff wavelength and reflective structures distributed across a surface of the substrate.
Pre-cleaning a semiconductor structure
13 Apr 21
The invention relates to a method of pre-cleaning a semiconductor structure and to associated modular semiconductor process tools.
Optical metrology tool equipped with modulated illumination sources
6 Apr 21
The system includes a modulatable illumination source configured to illuminate a surface of a sample disposed on a sample stage, a detector configured to detect illumination emanating from a surface of the sample, illumination optics configured to direct illumination from the modulatable illumination source to the surface of the sample, collection optics configured to direct illumination from the surface of the sample to the detector, and a modulation control system communicatively coupled to the modulatable illumination source, wherein the modulation control system is configured to modulate a drive current of the modulatable illumination source at a selected modulation frequency suitable for generating illumination having a selected coherence feature length.