Main Street Research LLC

Position in ASML — Asml Holding NV

CIK 1513211 SAUSALITO, CA

Position in ASML

as of Jun 30, 2026 · filed Jul 29, 2026 Compact

Position Value

$84,344,294

+$29,282,854 QoQ

Shares Held

42,396

+1.7% QoQ

Ownership

0.011%

of shares outstanding

% of Portfolio

4.59%

of 13F equity value

Holder Rank

#172

of 2,476 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Main Street Research LLC holds $86,031,332 across 4 Semiconductor Equipment & Materials names. ASML ranks #1 (98.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV This page	42,396	$84,344,294
2	LRCX	Lam Research Corp	2,016	$873,593
3	KLAC	Kla Corp	1,604	$483,942
4	ENTG	Entegris Inc	1,832	$329,503

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$84,344,294	42,396	+1.7%	Shares	Sole	2026-07-29
2026-03-31	$55,061,440	41,687	+3.9%	Shares	Sole	2026-04-30
2025-12-31	$42,920,643	40,118	-0.8%	Shares	Sole	2026-02-09
2025-09-30	$39,143,751	40,434	+131.1%	Shares	Sole	2025-11-13
2025-06-30	$14,021,920	17,497	+3297.5%	Shares	Sole	2025-08-05
2025-03-31	$341,254	515	-8.7%	Shares	Sole	2025-04-30
2024-12-31	$390,897	564	-97.1%	Shares	Sole	2025-02-07
2024-09-30	$16,326,700	19,594	-47.0%	Shares	Sole	2024-11-12
2024-06-30	$37,815,441	36,975	+4.4%	Shares	Sole	2024-07-29
2024-03-31	$34,379,870	35,426	+1.6%	Shares	Sole	2024-05-01
2023-12-31	$26,398,341	34,876	+120.7%	Shares	Sole	2024-01-30
2023-09-30	$9,304,359	15,806	+2445.2%	Shares	Sole	2023-11-03
2023-06-30	$450,069	621	+9.7%	Shares	Sole	2023-08-08
2023-03-31	$385,281	566	0.0%	Shares	Sole	2023-05-01
2022-12-31	$309,262	566	-6.0%	Shares	Sole	2023-02-06
2022-09-30	$250,040	602	+7.7%	Shares	Sole	2022-11-14
2022-06-30	$266,016	559	-39.2%	Shares	Sole	2022-08-12
2022-03-31	$614,495	920	-98.3%	Shares	Sole	2022-05-05
2021-12-31	$44,152,332	55,458	+3.2%	Shares	Sole	2022-02-09
2021-09-30	$40,049,662	53,750	+3.1%	Shares	Sole	2021-11-12
2021-06-30	$36,031,451	52,156	+6.6%	Shares	Sole	2021-08-06
2021-03-31	$30,193,842	48,908	+1.3%	Shares	Sole	2021-05-07
2020-12-31	$23,549,560	48,285	+6.3%	Shares	Sole	2021-02-12
2020-09-30	$16,767,073	45,406	+6.4%	Shares	Sole	2020-11-10
2020-06-30	$15,710,832	42,689	+8.4%	Shares	Sole	2020-07-29
2020-03-31	$10,305,476	39,388	—	Shares	Sole	2020-05-01
No filing history on record for this holder in this stock.