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Lam Research

1,774 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 269 funds opening new positions, 727 increasing their positions, 541 reducing their positions, and 138 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

4% more call options, than puts

Call options by funds: $1.79B | Put options by funds: $1.72B

0.45% less ownership

Funds ownership: 80.1%79.65% (-0.45%)

0% less capital invested

Capital invested by funds: $74.6B → $74.2B (-$363M)

Holders
1,774
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.79B
Puts
$1.72B
Net Calls
Net Calls Change

Top Buyers

1 +$608M
2 +$587M
3 +$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1 -$1.28B
2 -$468M
3 -$271M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$260M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$234M
Name Holding Trade Value Shares
Change
Change in
Stake
DIM
1376
Delta Investment Management
California
$275K
CAM
1377
Congress Asset Management
Massachusetts
$274K
KCM
1378
Kendall Capital Management
Maryland
$274K
WN
1379
Williams & Novak
California
$273K
CGA
1380
Compound Global Advisors
Washington
$273K
SB
1381
Simmons Bank
Arkansas
$272K
WMA
1382
West Michigan Advisors
Michigan
$272K
MW
1383
Marcum Wealth
Ohio
$271K
VCM
1384
Vivaldi Capital Management
Illinois
$270K
SCP
1385
Sivia Capital Partners
California
$268K
BFWA
1386
Benchmark Financial Wealth Advisors
Florida
$268K
OAM
1387
Oppenheimer Asset Management
New York
$267K
SYBT
1388
Stock Yards Bank & Trust
Kentucky
$262K
SCA
1389
Stillwater Capital Advisors
Pennsylvania
$262K
TCM
1390
Traynor Capital Management
Pennsylvania
$261K
FFG
1391
Fiduciary Financial Group
California
$261K
PGCM
1392
Prescott Group Capital Management
Oklahoma
$260K
GKFF
1393
George Kaiser Family Foundation
Oklahoma
$260K
RT
1394
Rockland Trust
Massachusetts
$259K
PCM
1395
Parsons Capital Management
Rhode Island
$258K
CWA
1396
Consilium Wealth Advisory
Texas
$257K
W
1397
Wealthquest
Ohio
$256K
CWP
1398
Capital Wealth Planning
Florida
$255K
NPT
1399
Nixon Peabody Trust
Massachusetts
$254K
GWAG
1400
Garrett Wealth Advisory Group
Texas
$254K