CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in EXPO — Exponent Inc

CIK 884546 SAN FRANCISCO, CA

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Position in EXPO

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

Position Value

$34,194,393

-$1,653,565 QoQ

Shares Held

524,052

+1.5% QoQ

Ownership

1.08%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in EXPO Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $3,014,819,175 across 36 Engineering & Construction names. EXPO ranks #23 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PWR	Quanta Services, Inc.	1,149,784	$631,254,411
2	FIX	Comfort Systems USA Inc	287,735	$396,783,687
3	EME	EMCOR Group, Inc.	345,112	$254,799,640
4	MTZ	Mastec Inc	511,243	$164,487,322
5	STRL	Sterling Infrastructure, Inc.	386,535	$157,424,109
6	DY	Dycom Industries Inc	419,368	$142,090,265
7	APG	APi Group Corp	2,931,883	$118,799,899
8	J	Jacobs Solutions Inc.	807,523	$102,781,527

All Filings in EXPO

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$34,194,393	524,052	+1.5%	Shares	Sole	2026-05-15
2025-12-31	$35,847,958	516,095	-2.5%	Shares	Sole	2026-02-13
2025-09-30	$36,785,769	529,444	+0.9%	Shares	Sole	2025-11-10
2025-06-30	$39,200,486	524,702	+0.9%	Shares	Sole	2025-08-12
2025-03-31	$42,161,818	520,131	-1.0%	Shares	Sole	2025-09-15
2024-12-31	$46,811,179	525,378	+1.5%	Shares	Sole	2025-02-06
2024-09-30	$59,670,311	517,612	+1.4%	Shares	Sole	2024-11-12
2024-06-30	$48,553,908	510,449	+3.6%	Shares	Sole	2024-08-12
2024-03-31	$40,747,316	492,772	+3.2%	Shares	Sole	2024-05-09
2023-12-31	$42,024,837	477,338	+2.2%	Shares	Sole	2024-02-06
2023-09-30	$39,970,064	466,940	+3.5%	Shares	Sole	2023-11-08
2023-06-30	$42,098,611	451,121	+0.5%	Shares	Sole	2023-08-10
2023-03-31	$44,759,713	448,989	-1.0%	Shares	Sole	2023-05-12
2022-12-31	$44,933,450	453,461	+2.3%	Shares	Sole	2023-02-13
2022-09-30	$38,875,069	443,425	+2.1%	Shares	Sole	2022-11-14
2022-06-30	$39,707,675	434,106	-1.0%	Shares	Sole	2022-08-15
2022-03-31	$47,371,605	438,423	+5.2%	Shares	Sole	2022-05-13
2021-09-30	$47,135,121	416,572	+1.0%	Shares	Sole	2021-11-16
2021-06-30	$36,784,048	412,331	+2.5%	Shares	Sole	2021-08-16
2021-03-31	$39,191,271	402,168	+7.8%	Shares	Sole	2021-05-17
2020-12-31	$33,578,038	372,965	+0.9%	Shares	Sole	2021-02-16
2020-09-30	$26,622,360	369,601	-2.4%	Shares	Sole	2020-11-13
2020-06-30	$30,637,427	378,567	+1.3%	Shares	Sole	2020-08-20
2020-03-31	$26,870,178	373,664	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.