KLA CORP (KLAC) Top Institutional Shareholders
KLA CORP (KLAC) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $158.93B in KLAC holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of KLAC tracked by InsiderSet, reporting ownership valued at approximately $18.55B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $3.01B, representing an estimated loss of -83.79% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% of the total disclosed KLAC value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in KLA CORP (KLAC).
This page ranks the largest institutional KLAC shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
2,033
Total Reported Value
$158.93B
Largest Holder
Blackrock, Inc.
Largest Position
$18.55B
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
107
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.33% | 12,596,207 | $18,546,782,522 | $3,007,092,497 | -$15,539,690,025 | -83.79% | |
| Vanguard Capital Management Llc | 0.31% | 8,519,374 | $12,544,011,471 | $2,033,830,155 | -$10,510,181,316 | -83.79% | |
| State Street Corp | 0.31% | 6,153,503 | $9,060,479,352 | $1,469,025,771 | -$7,591,453,581 | -83.79% | |
| Fmr Llc | 0.34% | 4,401,487 | $6,480,792,548 | $1,050,766,992 | -$5,430,025,556 | -83.79% | |
| Capital World Investors | 0.82% | 4,084,069 | $6,011,503,102 | $974,989,792 | -$5,036,513,310 | -83.78% | |
| Vanguard Portfolio Management Llc | 0.31% | 4,029,061 | $5,932,429,707 | $961,857,733 | -$4,970,571,974 | -83.79% | |
| Geode Capital Management, Llc | 0.34% | 3,672,914 | $5,399,440,546 | $876,834,759 | -$4,522,605,787 | -83.76% | |
| Capital International Investors | 0.94% | 2,728,138 | $4,008,732,792 | $651,288,385 | -$3,357,444,407 | -83.75% | |
| Primecap Management Co/Ca/ | 2.83% | 2,437,647 | $3,589,215,820 | $581,939,468 | -$3,007,276,352 | -83.79% | |
| Goldman Sachs Group Inc | 0.35% | 1,818,032 | $2,676,889,144 | $434,018,779 | -$2,242,870,365 | -83.79% | |
| Morgan Stanley | 0.16% | 1,773,150 | $2,610,808,112 | $423,304,100 | -$2,187,504,013 | -83.79% | |
| Invesco Ltd. | 0.37% | 1,661,786 | $2,446,829,984 | $396,718,172 | -$2,050,111,812 | -83.79% | |
| Massachusetts Financial Services Co | 0.82% | 1,641,635 | $2,442,153,474 | $391,907,524 | -$2,050,245,950 | -83.95% | |
| Northern Trust Corp | 0.31% | 1,571,945 | $2,314,547,536 | $375,270,430 | -$1,939,277,106 | -83.79% | |
| Wellington Management Group Llp | 0.40% | 1,440,469 | $2,120,960,960 | $343,883,164 | -$1,777,077,796 | -83.79% | |
| State Farm Mutual Automobile Insurance Co | 1.63% | 1,403,604 | $2,066,680,566 | $335,082,383 | -$1,731,598,183 | -83.79% | |
| Bank Of America Corp | 0.14% | 1,307,190 | $1,924,720,026 | $312,065,469 | -$1,612,654,557 | -83.79% | |
| Janus Henderson Group Plc | 0.91% | 1,240,678 | $1,826,754,552 | $296,187,059 | -$1,530,567,493 | -83.79% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.34% | 1,105,007 | $1,627,023,358 | $263,798,321 | -$1,363,225,037 | -83.79% | |
| Amundi | 0.44% | 1,096,728 | $1,614,829,200 | $261,821,875 | -$1,353,007,325 | -83.79% | |
| Legal & General Group Plc | 0.35% | 1,034,404 | $1,523,066,797 | $246,943,267 | -$1,276,123,530 | -83.79% | |
| Charles Schwab Investment Management Inc | 0.22% | 987,584 | $1,454,128,558 | $235,765,928 | -$1,218,362,630 | -83.79% | |
| Capital Research Global Investors | 0.22% | 976,438 | $1,435,255,284 | $233,105,044 | -$1,202,150,240 | -83.76% | |
| Bank Of New York Mellon Corp | 0.24% | 888,388 | $1,308,071,407 | $212,084,867 | -$1,095,986,540 | -83.79% | |
| Ameriprise Financial Inc | 0.30% | 886,742 | $1,305,882,079 | $211,691,918 | -$1,094,190,161 | -83.79% | |
| Uhlmann Price Securities, Llc | 82.15% | 781,072 | $1,223,272,156 | $186,465,319 | -$1,036,806,837 | -84.76% | |
| Arrowstreet Capital, Limited Partnership | 0.63% | 791,279 | $1,165,087,112 | $188,902,036 | -$976,185,076 | -83.79% | |
| Vanguard Fiduciary Trust Co | 0.28% | 756,440 | $1,113,789,820 | $180,584,921 | -$933,204,899 | -83.79% | |
| Pictet Asset Management Holding Sa | 1.12% | 721,944 | $1,061,798,065 | $172,349,691 | -$889,448,374 | -83.77% | |
| Dimensional Fund Advisors Lp | 0.22% | 716,138 | $1,054,093,803 | $170,963,625 | -$883,130,178 | -83.78% | |
| Swedbank Ab | 0.99% | 637,806 | $939,111,929 | $152,263,426 | -$786,848,503 | -83.79% | |
| California Public Employees Retirement System | 0.54% | 594,637 | $875,549,465 | $141,957,691 | -$733,591,774 | -83.79% | |
| Franklin Resources Inc | 0.21% | 582,062 | $857,034,203 | $138,955,661 | -$718,078,542 | -83.79% | |
| Alkeon Capital Management Llc | 3.87% | 580,915 | $855,345,055 | $138,681,838 | -$716,663,217 | -83.79% | |
| First Trust Advisors Lp | 0.60% | 565,850 | $833,163,149 | $135,085,371 | -$698,077,779 | -83.79% | |
| Barclays Plc | 0.29% | 553,215 | $814,559,298 | $132,069,017 | -$682,490,281 | -83.79% | |
| Ubs Group Ag | 0.14% | 551,710 | $812,343,321 | $131,709,728 | -$680,633,593 | -83.79% | |
| Parnassus Endeavor Fund | Parnassus Investments | 2.32% | 538,364 | $792,692,538 | $128,523,638 | -$664,168,900 | -83.79% |
| Royal Bank Of Canada | 0.15% | 528,521 | $778,197,000 | $126,173,818 | -$652,023,182 | -83.79% | |
| Deutsche Bank Ag\ | 0.23% | 465,013 | $684,689,794 | $111,012,553 | -$573,677,241 | -83.79% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 1.74% | 461,202 | $679,082,455 | $110,102,753 | -$568,979,702 | -83.79% | |
| Schroder Investment Management Group | 0.52% | 428,583 | $631,049,894 | $102,315,620 | -$528,734,274 | -83.79% | |
| Storebrand Asset Management As | 0.20% | 1,726,280 | $584,372,729 | $412,114,824 | -$172,257,905 | -29.48% | |
| Citigroup Inc | 0.36% | 388,256 | $571,672,248 | $92,688,355 | -$478,983,893 | -83.79% | |
| Swiss National Bank | 0.33% | 385,600 | $567,761,296 | $92,054,288 | -$475,707,008 | -83.79% | |
| Jennison Associates Llc | 0.39% | 384,456 | $566,076,866 | $91,781,181 | -$474,295,685 | -83.79% | |
| Victory Capital Management Inc | 0.36% | 380,557 | $560,348,295 | $90,850,373 | -$469,497,922 | -83.79% | |
| Td Asset Management Inc | 0.45% | 373,087 | $549,337,029 | $89,067,060 | -$460,269,969 | -83.79% | |
| Impax Asset Management Group Plc | 3.73% | 363,789 | $535,647,414 | $86,847,348 | -$448,800,066 | -83.79% | |
| National Pension Service | 0.41% | 363,701 | $535,516,989 | $86,826,340 | -$448,690,649 | -83.79% |
Frequently asked questions about KLAC
Who owns the most KLAC stock?
The largest holders of KLAC are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for KLA CORP (KLAC).
Is KLAC widely held by superinvestors?
Many widely followed stocks like KLAC appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly KLAC is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.