PROFESSIONAL ADVISORY SERVICES INC ASML — ASML HLDG NV NY REGISTRY

Ownership history in PROFESSIONAL ADVISORY SERVICES INC  ·  5 quarters on record

AI Ownership Summary

PROFESSIONAL ADVISORY SERVICES INC reported ASML HLDG NV NY REGISTRY (ASML) in 5 quarterly 13F filings from 2025 Q1 through 2026 Q1. Peak portfolio weight reached 1.07% in 2025 Q4. The latest visible filing shows ASML at 1.02% 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.

What this ASML ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PROFESSIONAL ADVISORY SERVICES INC's position in ASML HLDG NV NY REGISTRY, 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

ASML was reported at 1.02% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.07% in 2025 Q4

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

Time in book
Holding Window
2025 Q1 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.

ASML stock page PROFESSIONAL ADVISORY SERVICES INC fund profile PROFESSIONAL ADVISORY SERVICES INC full holdings
How PROFESSIONAL ADVISORY SERVICES INC held ASML — position size vs. price
% of Fund (quarterly)    ASML price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 5,603 -2,096 -27.2% 1.02% $7K 2026-04-15 $1478.54
2025 Q4 REDUCED — — — 7,699 -205 -2.6% 1.07% $8.2M 2026-01-12 $1276.75
2025 Q3 REDUCED 17.2% +10.3% ❌ 7,904 -1,647 -17.2% 1.00% $7.7M 2025-10-29 $1067.10
2025 Q2 REDUCED — — — 9,551 -17 -0.2% 1.04% $7.7M 2025-07-11 $795.69
2025 Q1 INITIATED — — — 9,568 — — 0.89% $6.3M 2025-04-14 $665.58

🏢 Other funds also holding ASML

As of 2026 Q1 — sorted by position size

ACCOUNT MANAGEMENT LLC 3Y 7Y 12.01% Carmel Capital Management L.L.C. 3Y 5.28% Tensor Edge Capital, LLC 5.23% Henry James International Management Inc. 3Y 7Y 5.16% Ashoka WhiteOak Capital Pte Ltd 4.94% GENERAL AMERICAN INVESTORS CO INC 3Y 7Y 4.78% Eldred Rock Partners, LLC 4.65% NORTH POINT PORTFOLIO MANAGERS CORP/OH 3Y 7Y 4.57% Cox Capital Mgt LLC 3Y 7Y 4.44% Chronos Wealth Management, LLC 3Y 4.19%

FAQ About PROFESSIONAL ADVISORY SERVICES INC and ASML

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

How long has PROFESSIONAL ADVISORY SERVICES INC reported owning ASML?

PROFESSIONAL ADVISORY SERVICES INC reported ASML across 5 quarterly 13F filings, from 2025 Q1 through 2026 Q1.

What was the largest reported ASML position in PROFESSIONAL ADVISORY SERVICES INC's portfolio?

The largest reported portfolio weight for ASML was 1.07% in 2025 Q4.

What is the latest reported ASML position on this page?

The most recent filing on this page is 2026 Q1, when PROFESSIONAL ADVISORY SERVICES INC reported 5,603 shares, equal to 1.02% of portfolio, with an estimated market value of $7K.

What does the chart on this ASML ownership page compare?

The chart compares PROFESSIONAL ADVISORY SERVICES INC's quarterly ASML 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 PROFESSIONAL ADVISORY SERVICES INC time their ASML position?

Based on 13F filing dates vs. subsequent ASML price moves, PROFESSIONAL ADVISORY SERVICES INC correctly timed 1 out of 4 reported position changes (25%). The annualised alpha on ASML relative to SPY over the holding period was +69.0%.

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