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Lam Research Corp. 13F holders

3,133 funds reported a position in Lam Research Corp. in their 13F for the quarter ended 30 June 2026, together 1.07 billion shares worth $463.40 billion. Against the quarter before, 555 opened a position, 1,032 added, 1,146 trimmed and 95 sold out; together they bought a net 18.8 million shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and State Street Corp.

Funds holding3,133+503 on Q1 2026
Shares they held1.07Bworth $463.40 billion
Net bought on the quarter18.8M sharesabout $8.13 billion at the funds' values
Funds buying to selling1,587 to 1,241opened or added, to cut or sold
Opened 555Added 1,032Held 358Trimmed 1,146Sold out 95
Opened: 555 fundsAdded: 1,032 fundsHeld: 358 fundsTrimmed: 1,146 fundsSold out: 95 funds

What each fund did in LRCX against its 13F for the quarter before; a change under 0.1% of a holding counts as held

Q4 2024: 1,611 funds, 1,036.1 million shares1,611Q4 2024Q1 2025: 1,761 funds, 1,038.9 million shares1,761Q1 2025Q2 2025: 1,847 funds, 1,058.5 million shares1,847Q2 2025Q3 2025: 2,084 funds, 1,048.0 million shares2,084Q3 2025Q4 2025: 2,370 funds, 1,083.7 million shares2,370Q4 2025Q1 2026: 2,630 funds, 1,037.6 million shares2,630Q1 2026Q2 2026: 3,133 funds, 1,074.5 million shares3,133Q2 2026

Funds reporting a position in LRCX in their 13F, each quarter; hover a bar for the shares they held

Filed so far for the quarter to 30 September 2026

4,696 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 1,700 reported a position in Lam Research Corp.: 73 opened one, 684 added, 669 trimmed and 168 sold out, a net 274,934 shares sold.

FundChange in sharesShares nowStatusFiling
Amundi-2,027,4957,398,658trimmed13F
DekaBank Deutsche Girozentrale+1,944,5021,944,502new13F
Geode Capital Management, LLC+1,516,32236,022,562added13F
Deutsche Bank AG+1,164,3865,555,301added13F
Citigroup Inc.-895,1333,314,989trimmed13F
KBC Group NV-760,425850,318trimmed13F
Daiwa Securities Group Inc.-739,703461,702trimmed13F
Principal Financial Group Inc.+727,1032,651,932added13F
Bank Julius Baer & Co. Ltd, Zurich-507,8161,650,876trimmed13F
Wealth Enhancement Advisory Services, LLC-496,760490,081trimmed13F
Pictet Asset Management Holding SA+411,6223,064,304added13F
Rakuten Investment Management, Inc.+377,926377,926new13F
Artemis Investment Management LLP-348,799296,062trimmed13F
Truist Financial Corp.-292,8001,433,083trimmed13F
Harel Insurance Investments & Financial Services Ltd.+276,567812,140added13F
William Blair Investment Management, LLC+261,722363,995added13F
Eurizon Capital SGR S.p.A.-222,487468,247trimmed13F
Dimensional Fund Advisors LP-213,2115,743,247trimmed13F
Thrivent Financial for Lutherans+209,3821,284,392added13F
Bank of New York Mellon Corp-182,4848,535,087trimmed13F
Mitsubishi UFJ Asset Management Co., Ltd.+181,2053,494,136added13F
Cambridge Investment Research Advisors, Inc.-176,363156,314trimmed13F
Swiss Life Asset Management Ltd-174,184595,162trimmed13F
SEB Asset Management AB+156,665605,574added13F
Robeco Institutional Asset Management B.V.+156,6411,992,638added13F

The largest moves in the name among the funds that have filed, against each fund's previous 13F.

The well-known funds

Of the 44 funds followed here, 1 reported a position in Lam Research Corp. in a 13F for the quarter ended 30 September 2026, and 15 more in a 13F for an earlier quarter, the latest each has filed. The largest: FMR LLC, 33.7 million shares worth $14.59 billion, 0.6% of its reported book (its 13F for the quarter ended 30 June 2026). Sold out: Third Point, Point72 Asset Management. In the quarter, 1 fund added or opened a position and 0 trimmed or sold out; together they bought a net 1.5 million shares, about $497.2 million at the funds' own value per share on 30 September 2026. A change under 0.1% of a holding counts as held.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
FMR LLC33,677,858$14.59 billion0.6%+103,016added30 June 2026, an earlier quarter13F
Geode Capital Management36,022,562$11.81 billion0.6%+1,516,322added30 September 202613F
Norges Bank18,123,399$7.85 billion0.8%held30 June 2026, an earlier quarter13F
Coatue Management9,441,603$4.09 billion8.4%-601,902trimmed30 June 2026, an earlier quarter13F
Tiger Global Management3,163,495$1.37 billion5.7%-736,944trimmed30 June 2026, an earlier quarter13F
Capital Research Global Investors1,702,812$737.8 million0.1%-901,671trimmed30 June 2026, an earlier quarter13F
Citadel Advisors1,420,975$615.8 million0.4%+306,243added30 June 2026, an earlier quarter13F
Bridgewater Associates938,224$406.6 million1.7%-633,005trimmed30 June 2026, an earlier quarter13F
Whale Rock Capital Management742,638$321.8 million2.6%-215,239trimmed30 June 2026, an earlier quarter13F
Millennium Management696,499$301.8 million0.2%-892,228trimmed30 June 2026, an earlier quarter13F
Altimeter Capital Management394,080$170.8 million1.7%+394,080new30 June 2026, an earlier quarter13F
Appaloosa (Tepper)382,500$165.7 million2.2%no changeheld30 June 2026, an earlier quarter13F
Two Sigma Investments225,152$97.6 million0.1%-1,277,075trimmed30 June 2026, an earlier quarter13F
Duquesne Family Office43,600$18.9 million0.4%+43,600new30 June 2026, an earlier quarter13F
Renaissance Technologies31,600$13.7 million0.0%+28,194added30 June 2026, an earlier quarter13F
Baillie Gifford58$25,1330.0%+58new30 June 2026, an earlier quarter13F
Third Point0$00.0%-75,000exited30 June 2026, an earlier quarter13F
Point72 Asset Management0$00.0%-29,913exited30 June 2026, an earlier quarter13F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

The largest holders

FundSharesShare of allValueOf its bookChange in sharesFiling
BlackRock, Inc.132,727,77612.35%$57.51 billion0.86%-124,54413F
Vanguard Capital Management LLC81,683,6397.60%$35.40 billion0.76%+527,89513F
State Street Corp.60,704,1305.65%$26.32 billion0.78%+1,545,83013F
Invesco Ltd.52,319,9734.87%$22.67 billion1.79%+1,855,65413F
JPMorgan Chase & Co.45,317,4794.22%$18.62 billion1.09%+12,604,54613F
Vanguard Portfolio Management LLC36,635,5343.41%$15.88 billion0.71%-425,42913F
Geode Capital Management, LLC34,506,2403.21%$14.92 billion0.80%-669,68613F
FMR LLC33,677,8583.13%$14.59 billion0.63%+103,01613F
Price T Rowe Associates Inc.24,596,2952.29%$10.66 billion1.07%+11,356,93813F
Morgan Stanley19,217,7871.79%$8.33 billion0.44%+246,66513F
Norges Bank18,123,3991.69%$7.85 billion0.78%13F
Ameriprise Financial Inc.17,334,9061.61%$7.51 billion1.52%-3,453,22413F
Northern Trust Corp.14,014,4911.30%$6.07 billion0.71%-174,86013F
Franklin Resources Inc.13,065,5491.22%$5.66 billion1.23%+1,272,03013F
Goldman Sachs Group Inc.12,724,3871.18%$5.51 billion0.58%+2,246,66013F
UBS AM, a distinct business unit of UBS Asset Management Americas LLC12,514,9901.16%$5.42 billion0.99%-909,02613F
Arrowstreet Capital, Limited Partnership12,269,1981.14%$5.32 billion2.36%-910,62013F
Bank of America Corp.11,244,1471.05%$4.87 billion0.31%+584,48913F
Van Eck Associates Corp.11,089,3951.03%$4.81 billion2.93%+8,922,85413F
Legal & General Group Plc10,373,3920.97%$4.50 billion0.94%-677,52013F
Jupiter Topco LLC9,884,1160.92%$4.28 billion1.75%first 13F13F
Coatue Management LLC9,441,6030.88%$4.09 billion8.41%-601,90213F
Amundi9,426,1530.88%$4.08 billion0.98%-721,32613F
Nuveen, LLC9,226,9790.86%$4.00 billion0.95%-1,779,64813F
Bank of New York Mellon Corp8,717,5710.81%$3.78 billion0.62%-214,86713F
Charles Schwab Investment Management Inc.7,698,8720.72%$3.34 billion0.44%-69,02413F
UBS Group AG7,688,2810.72%$3.33 billion0.53%+1,161,84813F
Wells Fargo & Company7,313,4920.68%$3.17 billion0.55%+2,171,70813F
Vanguard Fiduciary Trust Co.7,186,2970.67%$3.11 billion0.69%-20,87613F
Dimensional Fund Advisors LP5,956,4580.55%$2.58 billion0.47%-356,15813F
Barclays PLC5,764,7850.54%$2.50 billion0.79%+99,05313F
Grantham, Mayo, Van Otterloo & Co. LLC5,464,7260.51%$2.37 billion5.33%-1,439,48013F
Nordea Investment Management AB4,966,4790.46%$2.14 billion1.75%-1,223,21013F
Swedbank AB4,649,4450.43%$2.01 billion1.74%+1,060,85813F
Deutsche Bank AG4,390,9150.41%$1.90 billion0.55%-108,36513F
Citigroup Inc.4,210,1220.39%$1.82 billion0.85%+601,65613F
HSBC Holdings PLC3,992,4540.37%$1.73 billion0.83%+601,26513F
Voya Investment Management LLC3,800,2810.35%$1.65 billion1.55%-182,00513F
California Public Employees Retirement System3,648,5510.34%$1.58 billion0.89%-2,222,34813F
First Trust Advisors LP3,617,4600.34%$1.57 billion0.92%-608,09413F
Canada Pension Plan Investment Board3,559,2220.33%$1.54 billion0.85%+711,72413F
Jennison Associates LLC3,526,4420.33%$1.53 billion0.92%+153,13613F
Swiss National Bank3,522,0000.33%$1.53 billion0.80%-164,20013F
AQR Capital Management LLC3,485,3640.32%$1.51 billion0.53%+33,30113F
American Century Companies Inc.3,447,6450.32%$1.49 billion0.66%+164,90013F
National Pension Service3,362,8780.31%$1.46 billion0.94%-1,73213F
Mitsubishi UFJ Asset Management Co., Ltd.3,312,9310.31%$1.44 billion0.80%+145,07113F
Royal Bank of Canada3,164,3480.29%$1.37 billion0.23%+117,84113F
Tiger Global Management LLC3,163,4950.29%$1.37 billion5.72%-736,94413F
SG Americas Securities, LLC3,105,1230.29%$1.35 billion0.78%+2,018,75913F
The 50 largest of the 3,133 funds that reported a position in LRCX in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read moreShare of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?

Options the funds reported on LRCX

FundOptionShares under the optionsValue of those sharesQuarter endedFiling
Citadel AdvisorsPuts4,101,500$1.78 billion30 June 202613F
Citadel AdvisorsCalls3,506,300$1.52 billion30 June 202613F
Millennium ManagementPuts1,123,500$486.8 million30 June 202613F
Millennium ManagementCalls857,100$371.4 million30 June 202613F
Point72 Asset ManagementCalls143,500$62.2 million30 June 202613F
Point72 Asset ManagementPuts46,600$20.2 million30 June 202613F
Two Sigma InvestmentsPuts15,300$6.6 million30 June 202613F
Two Sigma InvestmentsCalls10,300$4.5 million30 June 202613F
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read moreThey are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
30 April 202613GVanguard Capital Management and 1 other93.6 million7.5%31 March 2026passive, institutional (13d-1(b))EDGAR
27 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13G

Fails to deliver

Settlement dateShares failedPriceFile
31 August 20265,204$301.90SEC
28 August 20262,613$318.58SEC
19 August 20265,225$327.92SEC
17 August 2026500$332.36SEC
12 August 20262,883$311.41SEC
10 August 2026200$311.35SEC
7 August 202611,765$305.77SEC
6 August 2026962$307.42SEC
4 August 20262,588$294.61SEC
29 July 202639,141$269.61SEC
21 July 2026245$306.76SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 39,141 on 29 July 2026. A fail is an operational fact about settlement, not a position.