Stock ownership · SEC 13F · Q4 2024

LAM RESEARCH CORP

Who owns LAM RESEARCH CORP (CUSIP 512807108)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$267K
Reported value
1
Institutions
100%
Top-5 share

The verdict

As of Q4 2024, 1 institutions report $267K in LAM RESEARCH CORP positions, ownership that is dominated by its top few institutional owners.

1
institutions hold it
$267K
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q4 2024; 13F omits shorts, options and non-US holdings.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 512807108 · Q4 2024 $0M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-LIGHT · BOOK-MID

  • VALUE-TRACE $0.3M
  • HOLDERS-FOCUS 1 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-LIGHT 1 new
  • BOOK-MID 4Q history

Read with: Ownership concentration guide - LAM RESEARCH CORP's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Institutional ownership over time

The number of institutions reporting a LAM RESEARCH CORP position has fallen from 10 to 1 over the last 4 quarters of 13F filings.

024681012 Q1'24Q2'24Q3'24Q4'24 1
Distinct 13F filers holding LAM RESEARCH CORP, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Pinnacle Wealth Planning Services, Inc. 3,701 $267K 100.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among LAM RESEARCH CORP's reported holders for Q4 2024, by reported value:

Sole discretion (SOLE)
100.0%

Latest Quarter Activity · Q4 2024

New positions (1)

Pinnacle Wealth Planning Services, Inc. $267K

Complete exits (10)

Tidal Investments LLC exited
Arvest Bank Trust Division exited
Sanctuary Advisors, LLC exited
Pine Valley Investments Ltd Liability Co exited
Wilmington Savings Fund Society, FSB exited
SYNOVUS FINANCIAL CORP (SNV, SNV-PD, SNV-PE) exited

Frequently Asked Questions

How many institutions hold LAM RESEARCH CORP?▼
LAM RESEARCH CORP is held by 1 institutional investors per the latest SEC Form 13F filings as of Q4 2024.
What is the total institutional value of LAM RESEARCH CORP?▼
Institutions report $267K of LAM RESEARCH CORP as of Q4 2024.
How concentrated is ownership of LAM RESEARCH CORP?▼
The top five institutional holders account for 100% of the reported institutional value in LAM RESEARCH CORP, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of LAM RESEARCH CORP?▼
Pinnacle Wealth Planning Services, Inc. is the largest reported holder of LAM RESEARCH CORP with $267K across 3,701 shares as of Q4 2024.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2024 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.