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-QUIET · BOOK-MID

  • VALUE-TRACE $0.3M
  • HOLDERS-FOCUS 1 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-QUIET 0 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%

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 2026-09-26.