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Ken Griffin's Lam Research Corporation (LRCX) position

Yes: as of Q1 2026, Ken Griffin holds 1.1M shares of LRCX worth $229M (0.2% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$229M
Shares held
1.1M
% of portfolio
0.2%
Est. average buy price (i)
$99.49
est. since Q1 2021
Quarter-end price
$205.87

Estimated trade prices

Average price in quarters with purchases
$87.72
Average prices in quarters with sales
  • Q1 2026: $223.85 (3.1M shares sold)
  • Q3 2025: $105.61 (3.3M shares sold)
  • Q2 2025: $79.28 (284K shares sold)
  • Q1 2024: $87.97 (241K shares sold)
  • Q3 2023: $65.70 (49K shares sold)
  • Q2 2023: $56.37 (76K shares sold)
  • Q2 2022: $47.61 (77K shares sold)
  • Q4 2021: $62.69 (19K shares sold)
  • Q2 2021: $63.13 (76K shares sold)

LRCX price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$30$200$40020222023202420252026Added 18K shares (71.3%) · Q3 2021. Average closing price $60.83 · Price range $56.60–$64.9818KsharespurchasedSold 19K shares (43.6%) · Q4 2021. Average closing price $62.69 · Price range $54.44–$72.6819KsharessoldAdded 60K shares (240.0%) · Q1 2022. Average closing price $58.21 · Price range $46.90–$72.9860KsharespurchasedSold 77K shares (90.1%) · Q2 2022. Average closing price $47.61 · Price range $41.83–$53.5677KsharessoldAdded 670 shares (7.9%) · Q3 2022. Average closing price $44.52 · Price range $36.60–$53.19670sharespurchasedAdded 36K shares (390.0%) · Q4 2022. Average closing price $41.83 · Price range $31.50–$50.0836KsharespurchasedAdded 163K shares (364.6%) · Q1 2023. Average closing price $49.07 · Price range $41.43–$54.10163KsharespurchasedSold 76K shares (36.6%) · Q2 2023. Average closing price $56.37 · Price range $49.10–$64.9276KsharessoldSold 49K shares (37.5%) · Q3 2023. Average closing price $65.70 · Price range $60.60–$72.1349KsharessoldAdded 196K shares (239.3%) · Q4 2023. Average closing price $68.15 · Price range $58.33–$79.57196KsharespurchasedSold 241K shares (86.6%) · Q1 2024. Average closing price $87.97 · Price range $73.11–$99.46241KsharessoldAdded 36K shares (95.6%) · Q2 2024. Average closing price $95.91 · Price range $86.81–$108.9636KsharespurchasedAdded 51K shares (70.6%) · Q3 2024. Average closing price $86.94 · Price range $73.16–$112.7351KsharespurchasedAdded 3.0M shares (over 1,000%) · Q4 2024. Average closing price $75.85 · Price range $70.05–$85.703.0MsharespurchasedAdded 3.5M shares (113.3%) · Q1 2025. Average closing price $78.75 · Price range $72.44–$89.023.5MsharespurchasedSold 284K shares (4.3%) · Q2 2025. Average closing price $79.28 · Price range $59.09–$97.34284KsharessoldSold 3.3M shares (52.2%) · Q3 2025. Average closing price $105.61 · Price range $94.84–$133.903.3MsharessoldAdded 1.2M shares (39.2%) · Q4 2025. Average closing price $155.52 · Price range $131.37–$178.631.2MsharespurchasedSold 3.1M shares (73.7%) · Q1 2026. Average closing price $223.85 · Price range $185.06–$249.483.1Msharessold← Earlier —1 sell
Average closing price · filing quarter
$223.85
Price range · filing quarter
$185.06 – $249.48
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −3.1M −$700M −73.7% 1.1M May 15, 2026
Q4 2025 Added +1.2M +$186M +39.2% 4.2M Feb 17, 2026
Q3 2025 Reduced −3.3M −$351M −52.2% 3.0M Nov 14, 2025
Q2 2025 Reduced −284K −$22M −4.3% 6.4M Aug 14, 2025
Q1 2025 Added +3.5M +$278M +113.3% 6.7M May 15, 2025
Q4 2024 Added +3.0M +$227M +2,407.8% 3.1M Feb 14, 2025
Q3 2024 Added +51K +$4.5M +70.6% 124K Nov 14, 2024
Q2 2024 Added +36K +$3.4M +95.6% 73K Aug 14, 2024
Q1 2024 Reduced −241K −$21M −86.6% 37K May 15, 2024
Q4 2023 Added +196K +$13M +239.3% 278K Feb 14, 2024
Q3 2023 Reduced −49K −$3.2M −37.5% 82K Nov 14, 2023
Q2 2023 Reduced −76K −$4.3M −36.6% 131K Aug 14, 2023
Q1 2023 Added +163K +$8.0M +364.6% 207K May 15, 2023
Q4 2022 Added +36K +$1.5M +390.0% 45K Feb 14, 2023
Q3 2022 Added +670 +$30K +7.9% 9K Nov 14, 2022
Q2 2022 Reduced −77K −$3.6M −90.1% 8K Aug 15, 2022
Q1 2022 Added +60K +$3.5M +240.0% 85K May 16, 2022
Q4 2021 Reduced −19K −$1.2M −43.6% 25K Feb 14, 2022
Q3 2021 Added +18K +$1.1M +71.3% 44K Nov 15, 2021
Q2 2021 Reduced −76K −$4.8M −74.7% 26K Aug 16, 2021
Q1 2021 First covered – – – 102K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

Who else owns LRCX

FMR LLC
owns 2.7% of shares outstanding
Est. $6.9B · Shares: 33.6M

JPMorgan Chase & Co
owns 2.6% of shares outstanding
Est. $6.7B · Shares: 32.7M

Invesco Ltd.

 View investor →
owns 1.9% of shares outstanding
Est. $5.0B · Shares: 24.3M

Ameriprise Financial Inc
owns 1.7% of shares outstanding
Est. $4.3B · Shares: 20.8M

See all owners of LRCX →

More Griffin positions

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$1.7B
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Micron Technology, Inc.(MU)
$1.6B
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Taiwan Semiconductor Manufacturing Company Limited(TSM)
$1.4B
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Apple Inc.(AAPL)
$1.3B
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Meta Platforms, Inc.(META)
$1.0B
0.7% of portfolio

Common questions

Does Ken Griffin own LRCX?

Yes. As of Q1 2026, Ken Griffin disclosed 1.1M shares of LRCX, worth $229M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy LRCX?

Ken Griffin held LRCX since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell LRCX?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in LRCX. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of LRCX does Ken Griffin own?

Ken Griffin disclosed 1.1M shares of LRCX as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for LRCX?

Ken Griffin began building the LRCX position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.