CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in MLAB — Mesa Laboratories Inc /Co/

CIK 884546 SAN FRANCISCO, CA

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Position in MLAB

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$5,519,530

+$659,360 QoQ

Shares Held

62,424

+0.8% QoQ

Ownership

1.13%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in MLAB Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Mar 31, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $2,134,200,047 across 19 Scientific & Technical Instruments names. MLAB ranks #15 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COHR	Coherent Corp.	2,045,248	$487,198,526
2	KEYS	Keysight Technologies, Inc.	1,089,863	$307,744,615
3	GRMN	Garmin Ltd	1,016,657	$235,874,590
4	TDY	Teledyne Technologies Inc	356,255	$215,537,837
5	MKSI	Mks Inc	866,647	$199,164,147
6	TRMB	Trimble Inc.	2,197,552	$143,346,316
7	FTV	Fortive Corp	2,017,322	$111,517,560
8	ESE	Esco Technologies Inc	298,745	$84,057,880

All Filings in MLAB

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,519,530	62,424	+0.8%	Shares	Sole	2026-05-15
2025-12-31	$4,860,170	61,913	+13.4%	Shares	Sole	2026-02-13
2025-09-30	$3,659,081	54,605	-11.6%	Shares	Sole	2025-11-10
2025-06-30	$5,819,404	61,764	-5.7%	Shares	Sole	2025-08-12
2025-03-31	$7,767,958	65,464	+4.6%	Shares	Sole	2025-09-15
2024-12-31	$8,253,611	62,589	-0.0%	Shares	Sole	2025-02-06
2024-09-30	$8,130,404	62,609	+38.6%	Shares	Sole	2024-11-12
2024-06-30	$3,918,446	45,159	+2.0%	Shares	Sole	2024-08-12
2024-03-31	$4,858,624	44,278	+7.0%	Shares	Sole	2024-05-09
2023-12-31	$4,336,639	41,392	+2.2%	Shares	Sole	2024-02-06
2023-09-30	$4,255,124	40,498	+4.4%	Shares	Sole	2023-11-08
2023-06-30	$4,984,129	38,787	+0.7%	Shares	Sole	2023-08-10
2023-03-31	$6,732,871	38,533	+0.9%	Shares	Sole	2023-05-12
2022-12-31	$6,348,058	38,193	+3.7%	Shares	Sole	2023-02-13
2022-09-30	$5,189,022	36,846	-0.5%	Shares	Sole	2022-11-14
2022-06-30	$7,552,102	37,031	-1.0%	Shares	Sole	2022-08-15
2022-03-31	$9,534,296	37,407	+2.5%	Shares	Sole	2022-05-13
2021-12-31	$11,973,644	36,495	+2.2%	Shares	Sole	2022-02-11
2021-09-30	$10,800,601	35,721	+6.4%	Shares	Sole	2021-11-16
2021-06-30	$9,103,990	33,573	+2.1%	Shares	Sole	2021-08-16
2021-03-31	$8,009,932	32,895	+3.1%	Shares	Sole	2021-05-17
2020-12-31	$9,145,822	31,907	+2.0%	Shares	Sole	2021-02-16
2020-09-30	$7,971,185	31,289	+15.8%	Shares	Sole	2020-11-13
2020-06-30	$5,860,104	27,030	+7.9%	Shares	Sole	2020-08-20
2020-03-31	$5,662,424	25,045	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.