Back to 13F data
Q1 2026

LAM RESEARCH CORP

Original CUSIPs: 512807306. This page shows current managers, quarterly changes, and primary SEC sources.

Current managers
2
Combined value
$1.2B

Current managers

2

Calculated from each manager’s latest available 13F.

Total shares

5,471,668

Aggregated at company level with original CUSIP details preserved.

Combined value

$1.2B

Market values are added across managers reporting the same quarter.

Themes

Unclassified

Local mappings are used only for search and classification.

Four-quarter trend

Four-quarter ownership trend

Manager actions by quarter

Current tracked managers holding this company

ManagerQuarterMarket valueSharesPortfolio weightCurrent-quarter changeShare changeValue changeSEC source
Tiger Global
Tiger Global
Q1 2026$833,367,7973,900,4393.65%
Unchanged
+0.00%
0+$165,690,649XML
05/15/2026
Bridgewater Associates
Ray Dalio / Bridgewater
Q1 2026$335,708,7881,571,2291.50%
Reduced
-48.34%
-1,470,432-$184,962,742XML
05/15/2026

Original CUSIP details

ManagerIssuerCUSIPSecurity classMarket valueSharesWeightSource
Tiger GlobalLAM RESEARCH CORP512807306COM NEW$833,367,7973,900,4393.65%SEC XML
Bridgewater AssociatesLAM RESEARCH CORP512807306COM NEW$335,708,7881,571,2291.50%SEC XML

Quarterly holdings details

QuarterCurrent managersCombined valueTotal sharesManager details
Q2 20252$671,559,1736,899,108
Bridgewater Associates New position
Tiger Global New position
Q3 20252$1,168,184,8418,724,308
Bridgewater Associates Increased
Tiger Global Unchanged
Q4 20252$1,188,348,6786,942,100
Bridgewater Associates Reduced
Tiger Global Reduced
Q1 20262$1,169,076,5855,471,668
Bridgewater Associates Reduced
Tiger Global Unchanged