CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in MTZ — Mastec Inc

CIK 1081019 WEST SACRAMENTO, CA

Position in MTZ

as of Jun 30, 2026 · filed Aug 24, 2026 Compact

Position Value

$37,216,983

+$13,728,677 QoQ

Shares Held

89,451

+22.5% QoQ

Ownership

0.111%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $573,520,702 across 33 Engineering & Construction names. MTZ ranks #4 (6.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PWR	Quanta Services, Inc.	226,553	$163,127,222
2	FIX	Comfort Systems USA Inc	51,984	$103,029,688
3	EME	EMCOR Group, Inc.	65,752	$54,566,269
4	MTZ	Mastec Inc This page	89,451	$37,216,983
5	STRL	Sterling Infrastructure, Inc.	34,757	$29,173,635
6	J	Jacobs Solutions Inc.	203,803	$25,679,178
7	DY	Dycom Industries Inc	34,839	$17,614,250
8	APG	APi Group Corp	401,229	$16,992,048

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$37,216,983	89,451	+22.5%	Shares	Sole	2026-08-24
2026-03-31	$23,488,306	73,004	+22.0%	Shares	Sole	2026-05-18
2025-12-31	$13,002,421	59,817	+0.4%	Shares	Sole	2026-02-17
2025-09-30	$12,682,624	59,596	-1.7%	Shares	Sole	2025-11-14
2025-06-30	$10,328,398	60,602	0.0%	Shares	Sole	2025-08-14
2025-03-31	$7,072,859	60,602	+2.3%	Shares	Sole	2025-05-15
2024-12-31	$8,066,295	59,250	-2.4%	Shares	Sole	2025-03-18
2024-09-30	$7,473,524	60,711	-2.8%	Shares	Sole	2025-04-04
2024-06-30	$6,681,525	62,450	-1.8%	Shares	Sole	2025-04-08
2024-03-31	$5,931,352	63,607	-5.1%	Shares	Sole	2024-05-16
2023-12-31	$5,075,814	67,034	-4.3%	Shares	Sole	2024-02-13
2023-09-30	$5,042,074	70,058	-8.7%	Shares	Sole	2023-11-14
2023-06-30	$9,056,556	76,770	-1.9%	Shares	Sole	2023-08-21
2023-03-31	$7,390,874	78,260	-1.1%	Shares	Sole	2023-05-09
2022-12-31	$6,753,613	79,147	+8.4%	Shares	Sole	2023-02-14
2022-09-30	$4,638,167	73,042	-2.6%	Shares	Sole	2022-11-21
2022-06-30	$5,373,210	74,982	-1.1%	Shares	Sole	2022-08-15
2022-03-31	$6,606,709	75,852	-6.8%	Shares	Sole	2022-05-16
2021-12-31	$7,509,285	81,375	-16.6%	Shares	Sole	2022-02-15
2021-09-30	$8,415,319	97,535	+1.7%	Shares	Sole	2021-11-15
2021-06-30	$10,176,263	95,912	+11.6%	Shares	Sole	2021-08-16
2021-03-31	$8,053,421	85,949	-0.0%	Shares	Sole	2021-05-18
2020-12-31	$5,860,343	85,954	+0.1%	Shares	Sole	2021-02-16
2020-09-30	$3,622,068	85,831	+0.4%	Shares	Sole	2020-11-17
2020-06-30	$3,835,846	85,488	-6.3%	Shares	Sole	2020-08-17
2020-03-31	$2,986,252	91,239	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.