ACMAECOM

$59.27-55% 1Y

Who owns ACM

565 institutions reported holding ACM for 2026Q2, together 92% of the company, fewer than the 615 a quarter earlier.

565

Institutions reporting a position · as of 2026Q2 · down from 615 the quarter before

Shares held by institutions
119.0M

Shares held by institutions · 92% of the company · long US equity positions only, as reported on Form 13F

Reported value
$8.36B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
35%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
85
Positions exited
132
Added to
167
Reduced
224
Top 10 holdersof the company
47%
Shares sold shortsettled Sep 15, 2026
6.3M
Short interestof shares outstanding
4.9%
Days to coverat the average daily volume
4.1
Change in the short positionsince the Aug 31, 2026 count
+10%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2565119.0M$8.36B
2026Q1615113.4M$9.62B
2025Q4635115.1M$11.0B
2025Q3627115.5M$15.1B
2025Q2620117.9M$13.2B
2025Q1564116.8M$10.8B
2024Q4562115.9M$12.3B
2024Q3523116.5M$12.3B
2024Q2506116.3M$10.3B
2024Q1510116.2M$11.4B
2023Q4505116.2M$10.7B
2023Q3450117.0M$9.71B
2023Q2447119.8M$10.1B
2023Q1444120.2M$10.1B
2022Q4409119.7M$10.2B
2022Q3369119.6M$8.18B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.14.4M11%$1.00B
VANGUARD GROUP INC12.3M9.5%$859M
PRIMECAP MANAGEMENT CO/CA/8.8M6.8%$613M
BARROW HANLEY MEWHINNEY & STRAUSS LLC5.5M4.3%$384M
STATE STREET CORP4.1M3.2%$287M
FMR LLC3.8M2.9%$262M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC3.6M2.8%$249M
Invesco Ltd.3.2M2.5%$223M
FIRST TRUST ADVISORS LP2.4M1.9%$171M
GEODE CAPITAL MANAGEMENT LLC2.4M1.9%$171M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20266.3M4.9%4.1
Aug 31, 20265.7M4.4%2.1
Aug 14, 20265.1M4.0%2.1
Jul 31, 20267.1M5.5%4.7
Jul 15, 20268.6M6.7%5.5
Jun 30, 20269.0M6.9%3.9
Jun 15, 20266.3M4.9%3.4
May 29, 20266.5M5.0%1.7
May 15, 20267.0M5.4%4.2
Apr 30, 20266.2M4.8%5.5
Apr 15, 20265.6M4.3%4.9
Mar 31, 20265.5M4.3%4.6

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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