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Lam Research

2,347 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 427 funds opening new positions, 763 increasing their positions, 890 reducing their positions, and 122 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

3.54% more ownership

Funds ownership: 80.68%84.23% (+3.5%)

14% less repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 890

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,347
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
113
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.3B
Puts
$6.04B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
LOAME
2376
Lombard Odier Asset Management (Europe)
United Kingdom
O
2377
Ossiam
France
VT
2378
Volterra Technologies
New York
MMC
2379
Mizuho Markets Cayman
Cayman Islands
MIH
2380
Meitav Investment House
Israel
CPRC
2381
Consolidated Portfolio Review Corp
New York
RCA
2382
Runnymede Capital Advisors
Ohio
AIM
2383
Aigen Investment Management
New York
WG
2384
Winton Group
United Kingdom
WI
2385
WBI Investments
New Jersey
PAA
2386
Peregrine Asset Advisers
Oregon
BJL
2387
Brighton Jones LLC
Washington
NP
2388
NorthRock Partners
Minnesota
IFU
2389
iSAM Funds (UK)
United Kingdom
SFCL
2390
Strengthening Families & Communities LLC
Massachusetts
GCM
2391
Graham Capital Management
Connecticut
CM
2392
Caption Management
Oklahoma
KOC
2393
Koss-Olinger Consulting
Florida
OC
2394
Optimas Capital
Hong Kong
DACS
2395
Dymon Asia Capital (Singapore)
Singapore
P
2396
Pitcairn
Pennsylvania
OTL
2397
Oak Thistle LLC
New York
OAM
2398
Oxford Asset Management
United Kingdom
EMAM
2399
Encompass More Asset Management
California
T. Rowe Price Investment Management
2400
T. Rowe Price Investment Management
Maryland