TrackerSEC 13F ownership
Stable ownershipLam Research Corporation institutional positioning
Lam Research Corporation shows stable ownership in the latest SEC 13F quarter: -7.0% reported shares, 44 managers reporting.
13F value208B+14.8% versus prior quarter
Reported shares976.9M-7.0% versus prior quarter
Managers44-22 manager change
Option tilt-5.4%Call less put value share
Latest SEC 13F quarter may still be incomplete because linked manager count is materially below the prior quarter.
13F ownership trend
Q4 '23 to Q1 '26Reported value path, quarterly change, and manager coverage
Latest reported value208B+14.8% QoQ
Trend over chart+288,507.8%Q4 '23 to Q1 '26
Manager positions2,593+235 QoQ
SEC 13F ownership historyDec 31, 2023Quarterly SEC 13F history1 companiesReported value 72.1MValue change +1,229.4%Reported shares 421KManagers 2This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Mar 31, 2024Quarterly SEC 13F history1 companiesReported value 570.9KValue change -99.2%Reported shares 588Managers 2This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Jun 30, 2024Quarterly SEC 13F history1 companiesReported value 633.1KValue change +10.9%Reported shares 594Managers 4This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Sep 30, 2024Quarterly SEC 13F history1 companiesReported value 1.2BValue change +191,635.3%Reported shares 18.6MManagers 131This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Dec 31, 2024Quarterly SEC 13F history1 companiesReported value 75.4BValue change +6,109.2%Reported shares 1BManagers 1,606This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Mar 31, 2025Quarterly SEC 13F history1 companiesReported value 74BValue change -1.8%Reported shares 1BManagers 1,749This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Jun 30, 2025Quarterly SEC 13F history1 companiesReported value 102.3BValue change +38.3%Reported shares 1.1BManagers 1,851This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Sep 30, 2025Quarterly SEC 13F history1 companiesReported value 137.7BValue change +34.6%Reported shares 1BManagers 2,081This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Dec 31, 2025Quarterly SEC 13F history1 companiesReported value 181.3BValue change +31.6%Reported shares 1.1BManagers 2,358This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Mar 31, 2026Quarterly SEC 13F history1 companiesReported value 208BValue change +14.8%Reported shares 976.9MManagers 2,593This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow.
Reported value path QoQ value change Manager-position coverage