ASML Holding N.V. - Depositary Receipt (Common Stock)
US ˙ NasdaqGS ˙ USN070592100

SecurityASML / ASML Holding N.V. - Depositary Receipt (Common Stock)
InstitutionCustom Index Systems, Llc
Latest Disclosed Ownership821 shares
Latest Disclosed Value $ 1,084,401
Custom Index Systems, Llc reports 0.24% decrease in ownership of ASML / ASML Holding N.V. - Depositary Receipt (Common Stock)

On May 1, 2026 - Custom Index Systems, Llc filed a 13F-HR/A form disclosing ownership of 821 shares of ASML Holding N.V. - Depositary Receipt (Common Stock) (US:ASML) valued at $1,084,401 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 823 shares of ASML Holding N.V. - Depositary Receipt (Common Stock). This represents a change in shares of -0.24% during the quarter. The current value of the position is $1,442,382 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-01 2026-03-31 13F/A-1 ASML HLDG N Y REGISTRY SHS N07059210 821 -2 -0.24 1,084 23.18 0.4723
2026-04-29 2026-03-31 13F ASML HLDG N Y REGISTRY SHS N07059210 821 -2 1,084 0.4716
2026-02-12 2025-12-31 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 823 33 4.18 880 15.18 0.3888
2025-10-29 2025-09-30 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 790 129 19.52 765 44.42 0.2273
2025-08-13 2025-06-30 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 661 84 14.56 530 38.48 0.2528
2025-05-14 2025-03-31 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 577 223 62.99 382 55.92 0.1938
2025-01-23 2024-12-31 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 354 -8 -2.21 245 -18.60 0.1317
2024-10-24 2024-09-30 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 362 14 4.02 302 -15.21 0.1634
2024-08-06 2024-06-30 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 348 -394 -53.10 356 -50.69 0.2043
2024-05-14 2024-03-31 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 742 14 1.92 720 30.67 0.4095
2024-01-26 2023-12-31 13F ASML HOLDING N V N Y REGISTRY SHS N07059210 728 728 551 0.3396
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.