ACADIAN ASSET MANAGEMENT LLC AMAT — APPLIED MATLS INC COM

Ownership history in ACADIAN ASSET MANAGEMENT LLC  ·  51 quarters on record

AI Ownership Summary

ACADIAN ASSET MANAGEMENT LLC reported APPLIED MATLS INC COM (AMAT) in 51 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.04% in 2026 Q1. The latest visible filing shows AMAT at 1.04% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this AMAT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ACADIAN ASSET MANAGEMENT LLC's position in APPLIED MATLS INC COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

AMAT was reported at 1.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.04% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

AMAT stock page ACADIAN ASSET MANAGEMENT LLC fund profile ACADIAN ASSET MANAGEMENT LLC full holdings
How ACADIAN ASSET MANAGEMENT LLC held AMAT — position size vs. price
% of Fund (quarterly)    AMAT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 2,137,520 +1,891,958 +770.5% 1.04% $731K 2026-05-13 $436.07
2025 Q4 REDUCED 34.1% +33.2% ❌ 245,562 -127,091 -34.1% 0.10% $63.1M 2026-02-10 $328.25
2025 Q3 REDUCED 78.5% +28.7% ❌ 372,653 -1,359,362 -78.5% 0.13% $76.3M 2025-11-14 (Est.) $225.01
2025 Q2 ADDED — — — 1,732,015 +1,397,217 +417.3% 0.65% $317.1M 2025-08-14 (Est.) $186.87
2025 Q1 ADDED — — — 334,798 +211,055 +170.6% 0.14% $48.6M 2025-05-21 $160.59
2024 Q4 REDUCED 43.7% -10.6% ✅ 123,743 -96,023 -43.7% 0.06% $20.1M 2025-02-11 $180.93
2024 Q3 REDUCED 75.9% -18.8% ✅ 219,766 -692,091 -75.9% 0.14% $44.4M 2024-11-12 $183.87
2024 Q2 ADDED — — — 911,857 +86,549 +10.5% 0.66% $215.2M 2024-08-06 $180.27
2024 Q1 ADDED — — — 825,308 +566,516 +218.9% 0.59% $170.2M 2024-05-10 $205.88
2023 Q4 ADDED — — — 258,792 +154,011 +147.0% 0.16% $41.9M 2024-02-13 $176.70
41 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding AMAT

As of 2026 Q1 — sorted by position size

Harbor Island Capital LLC 3Y 7Y 14.99% LOUNTZIS ASSET MANAGEMENT, LLC 3Y 14.92% ABRAMS BISON INVESTMENTS, LLC 3Y 7Y 10.41% Four Tree Island Advisory LLC 9.96% CALIFORNIA FIRST LEASING CORP 3Y 9.66% Midway Capital Research & Management 9.36% BURR FINANCIAL SERVICES, LLC 9.18% William Allan Corp 3Y 9.05% Broad Run Investment Management, LLC 3Y 7Y 8.93% Carmel Capital Management L.L.C. 3Y 8.7%

FAQ About ACADIAN ASSET MANAGEMENT LLC and AMAT

These are the practical questions this page is built to answer before you even open the full history table.

How long has ACADIAN ASSET MANAGEMENT LLC reported owning AMAT?

ACADIAN ASSET MANAGEMENT LLC reported AMAT across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported AMAT position in ACADIAN ASSET MANAGEMENT LLC's portfolio?

The largest reported portfolio weight for AMAT was 1.04% in 2026 Q1.

What is the latest reported AMAT position on this page?

The most recent filing on this page is 2026 Q1, when ACADIAN ASSET MANAGEMENT LLC reported 2,137,520 shares, equal to 1.04% of portfolio, with an estimated market value of $731K.

What does the chart on this AMAT ownership page compare?

The chart compares ACADIAN ASSET MANAGEMENT LLC's quarterly AMAT portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did ACADIAN ASSET MANAGEMENT LLC time their AMAT position?

Based on 13F filing dates vs. subsequent AMAT price moves, ACADIAN ASSET MANAGEMENT LLC correctly timed 27 out of 44 reported position changes (61%). The annualised alpha on AMAT relative to SPY over the holding period was +24.7%.

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