MARSHALL WACE, LLP ASML — ASML HOLDING-NY

Ownership history in MARSHALL WACE, LLP  ·  30 quarters on record

AI Ownership Summary

MARSHALL WACE, LLP reported ASML HOLDING-NY (ASML) in 30 quarterly 13F filings from 2024 Q1 through 2026 Q1. Peak portfolio weight reached 0.29% in 2026 Q1. The latest visible filing shows ASML at 0.29% 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 ASML ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was MARSHALL WACE, LLP's position in ASML HOLDING-NY, 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 0.29% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.29% 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
2024 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 MARSHALL WACE, LLP fund profile MARSHALL WACE, LLP full holdings
How MARSHALL WACE, LLP 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 19 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 220,573 +202,573 +1125.4% 0.29% $291.3M 2026-05-15 $1501.81
2026 Q1 REDUCED — — — 18,000 -3,300 -15.5% 0.02% $23.8M 2026-05-15 $1501.81
2026 Q1 ADDED — — — 21,300 +15,300 +255.0% 0.03% $28.1M 2026-05-15 $1501.81
2025 Q4 REDUCED 89.2% +23.6% ❌ 6,000 -49,635 -89.2% 0.01% $6.4M 2026-02-13 $1403.54
2025 Q4 REDUCED 8.3% +23.6% ❌ 55,635 -5,019 -8.3% 0.05% $59.5M 2026-02-13 $1403.54
2025 Q3 ADDED — — — 60,654 +59,354 +4565.7% 0.06% $58.7M 2025-11-14 (Est.) $1003.46
2025 Q3 REDUCED 98.3% +10.3% ❌ 1,300 -74,628 -98.3% 0.00% $1.3M 2025-11-14 (Est.) $1003.46
2025 Q2 ADDED — — — 75,928 +75,563 +20702.2% 0.07% $60.8M 2025-08-14 (Est.) $751.24
2025 Q1 REDUCED 93.1% +21.3% ❌ 365 -4,935 -93.1% 0.00% $242K 2025-05-15 $752.46
2025 Q1 REDUCED 93.5% +21.3% ❌ 5,300 -75,700 -93.5% 0.00% $3.5M 2025-05-15 $752.46
2024 Q4 ADDED — — — 81,000 +79,725 +6252.9% 0.07% $56.1M 2025-02-13 $768.57
2024 Q4 REDUCED 94.5% -4.2% ✅ 1,275 -21,925 -94.5% 0.00% $884K 2025-02-13 $768.57
2024 Q4 ADDED — — — 23,200 +3,400 +17.2% 0.02% $16.1M 2025-02-13 $768.57
2024 Q3 REDUCED 56.0% -16.3% ✅ 19,800 -25,219 -56.0% 0.02% $16.5M 2024-11-14 $684.00
2024 Q2 ADDED — — — 45,019 +43,519 +2901.3% 0.06% $46.0M 2024-08-14 $866.20
2024 Q2 ADDED — — — 1,500 +1,400 +1400.0% 0.00% $1.5M 2024-08-14 $866.20
2024 Q1 REDUCED 66.7% +6.7% ❌ 100 -200 -66.7% 0.00% $92K 2024-05-15 $921.45
2024 Q1 REDUCED 98.9% +6.7% ❌ 300 -26,061 -98.9% 0.00% $275K 2024-05-15 $921.45
2024 Q1 ADDED — — — 26,361 +25,247 +2266.3% 0.04% $25.6M 2024-05-15 $921.45
11 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ASML

As of 2026 Q1 — sorted by position size

Watchtower Advisors, LP 3Y 29.29% REGENTS OF THE UNIVERSITY OF CALIFORNIA 3Y 7Y 16.37% Triple Frond Partners LLC 3Y 7Y 16.31% Dorsey Asset Management, LLC 3Y 7Y 14.76% Square Wave Capital, LLC 12.37% ACCOUNT MANAGEMENT LLC 3Y 7Y 12.01% Novo Holdings A/S 3Y 7Y 10.16% Rule One Partners, LLC 9.32% Avantyr Capital Partners, LP 8.54% EDGEWOOD MANAGEMENT LLC 3Y 7Y 8.04%

FAQ About MARSHALL WACE, LLP and ASML

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

How long has MARSHALL WACE, LLP reported owning ASML?

MARSHALL WACE, LLP reported ASML across 19 quarterly 13F filings, from 2024 Q1 through 2026 Q1.

What was the largest reported ASML position in MARSHALL WACE, LLP's portfolio?

The largest reported portfolio weight for ASML was 0.29% in 2026 Q1.

What is the latest reported ASML position on this page?

The most recent filing on this page is 2026 Q1, when MARSHALL WACE, LLP reported 220,573 shares, equal to 0.29% of portfolio, with an estimated market value of $291.3M.

What does the chart on this ASML ownership page compare?

The chart compares MARSHALL WACE, LLP'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 MARSHALL WACE, LLP time their ASML position?

Based on 13F filing dates vs. subsequent ASML price moves, MARSHALL WACE, LLP correctly timed 19 out of 29 reported position changes (66%). The annualised alpha on ASML relative to SPY over the holding period was +1.8%.

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