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PRIMECAP MANAGEMENT CO/CA/

Position in ACM — Aecom

CIK 763212 PASADENA, CA

Position in ACM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$613,335,601
-$120,109,130 QoQ
Shares Held
8,787,043
+1.6% QoQ
Ownership
6.83%
of shares outstanding
% of Portfolio
0.36%
of 13F equity value
Holder Rank
#2
of 572 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 96% Shared 0% None 4%

Common Shares in ACM Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

PRIMECAP MANAGEMENT CO/CA/ holds $1,188,626,275 across 2 Engineering & Construction names. ACM ranks #1 (51.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ACM
Aecom
This page
8,787,043 $613,335,601

All Filings in ACM

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27 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $613,335,601 8,787,043
2026-03-31 $733,444,731 8,647,073
2025-12-31 $826,252,088 8,667,283
2025-09-30 $1,158,360,020 8,878,363
2025-06-30 $1,079,308,620 9,563,252
2025-03-31 $941,091,732 10,148,730
2024-12-31 $1,215,780,589 11,381,582
2024-12-31 $1,215,780,589 11,381,582
2024-09-30 $1,292,032,346 12,511,207
2024-06-30 $1,147,751,411 13,021,913
2024-03-31 $1,316,843,559 13,426,219
2023-12-31 $1,294,918,327 14,009,719
2023-09-30 $1,211,169,872 14,585,379
2023-06-30 $1,266,968,412 14,960,071
2023-03-31 $1,358,955,000 16,116,639
2022-12-31 $1,493,890,758 17,589,671
2022-09-30 $1,312,009,429 19,189,841
2022-06-30 $1,265,197,301 19,398,916
2022-03-31 $1,534,098,171 19,972,636
2021-12-31 $1,581,838,130 20,450,396
2021-09-30 $1,344,088,767 21,284,066
2021-06-30 $1,373,626,151 21,693,401
2021-03-31 $1,407,048,070 21,947,404
2020-12-31 $1,102,849,964 22,154,479
2020-09-30 $941,470,751 22,501,691
2020-06-30 $853,572,240 22,713,471
2020-03-31 $702,903,591 23,547,859