Investigate / reported ownership
AMAT
Applied Materials Inc
12 tracked reported owners · snapshot updated 2026-10-04. Delayed disclosures, not live holdings or an investment recommendation.
Who reports owning AMAT?
Select a manager to inspect their portfolio. Reports may cover different quarters; portfolio weights describe disclosed long 13F holdings, not total economic exposure.
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Chase Coleman | 4.9% | 10q | $1.18B | 1,632,210 |
| 2 | Stephen Mandel | 5.3% | — 1q | $873M | 1,207,737 |
| 3 | Joel Greenblatt | 0.4% | 38q | $782M | 1,080,951 |
| 4 | John Armitage | 3.6% | 13q | $377M | 521,065 |
| 5 | Christopher Davis | 0.3% | 40q | $74M | 102,521 |
Go beyond ownership.
Applied Materials designs, produces and services wafer-fabrication tools used by customers to manufacture semiconductor chips. Its services business supplies subscriptions, spares and factory-automation software to support installed equipment.
Question to investigate: Can Applied Materials keep its equipment and services relevant as chip manufacturing complexity and AI-driven investment timing shift?
Company research reviewed 2026-10-02; a dated source-linked starting point, not the investors’ stated reasons.
Understand the business and investment case →Filing dates and original SEC sources
- Chase Coleman · 2026Q2 · filed 2026-08-14 ↗
- Stephen Mandel · 2026Q2 · filed 2026-08-14 ↗
- Joel Greenblatt · 2026Q2 · filed 2026-09-02 ↗
- John Armitage · 2026Q2 · filed 2026-07-21 ↗
- Christopher Davis · 2026Q2 · filed 2026-08-11 ↗
- William Von Mueffling · 2026Q2 · filed 2026-07-29 ↗
- David Katz · 2026Q2 · filed 2026-07-15 ↗
- Thomas Gayner · 2026Q2 · filed 2026-07-31 ↗
- Mairs & Power Funds · 2026Q2 · filed 2026-08-14 ↗
- Lee Ainslie · 2026Q2 · filed 2026-08-14 ↗
- Bill Nygren · 2026Q2 · filed 2026-08-14 ↗
- Glenn Greenberg · 2026Q2 · filed 2026-08-14 ↗
A material reported change · Q1 2026
Lee Ainslie reduced reported AMAT shares by 23.1%.
Holdings as of Mar 31, 2026 · filed May 15, 2026. Position at period end: 3.5% of the reported portfolio. The filing does not reveal the trade date, price, or reason.
Reported position changes
Net disclosed share changes—not individual trades or execution dates. NEW has no prior-position percentage comparison; EXIT weight refers to the previous report.
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| Stephen Mandel | NEW | 5.3% | New position | $873M | Aug 14, 2026 |
| William Von Mueffling | TRIM | 5.5% | -97% | $36M | Jul 29, 2026 |
| John Armitage | NEW | 3.6% | New position | $377M | Jul 21, 2026 |
Explore earlier changes and contrasting evidence
Selected historical records. Retrospective outcomes do not establish predictive skill.
Compare the reported increases and reductions →Q1 2026
filed May 15, 2026
45d lag
+24.7% vs SPY
63 sessions after disclosure
direction not supported so far
Q1 2026
filed May 15, 2026
45d lag
+24.7% vs SPY
63 sessions after disclosure
direction supported so far
Q1 2026
filed May 15, 2026
45d lag
+24.7% vs SPY
63 sessions after disclosure
direction not supported so far
Q1 2026
filed May 7, 2026
37d lag
+18.9% vs SPY
63 sessions after disclosure
direction not supported so far
Q1 2026
filed May 7, 2026
37d lag
+18.9% vs SPY
63 sessions after disclosure
direction not supported so far
Q1 2026
filed May 7, 2026
37d lag
+18.9% vs SPY
63 sessions after disclosure
direction not supported so far
Keep your next step small.
Save the company and inspect its evidence. Recording a private view is optional and requires a separate, explicit save.
Record my own view →Optional email follow
Latticework Follow
Follow AMAT
Email me only when a reviewed weekly edition contains a material new decision about AMAT: a new position, exit, or a large share-count change that also clears the size threshold. There may be quiet weeks.
Confirm by email. Manage or stop follows in one click. See our privacy notice.
Long US 13F disclosures omit shorts and can be amended. CUSIP 038222105. No current price, valuation or manager motive is inferred.