Aecom ACM Institutional Ownership

NYSE ACM

$64.79 -0.39 (-0.60%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

608 Institutions

Increased 329 54.1%

Unchanged 81 13.3%

Reduced 198 32.6%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

87.65%

▼-0.98 pp QoQ

Shares Held by Institutions

112.83Mn

of 128.73Mn outstanding

▲+14.15% QoQ

Shares Outstanding

128.73Mn

15.89Mn held outside 13F filers

Institutional Investors

608

filed 13F for Mar 2026

▼-21 vs prior quarter

Net Shares Added (QoQ)

+13.99Mn

accumulated since last quarter

Value of Holdings

$6.97Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Aecom (NYSE:ACM) is held by 608 institutional investors per 13F filings through March 2026.

They owned 87.7% of outstanding stock in March 2026, down from 88.6% the prior quarter.
Their total shares held in ACM increased 14.15% quarter over quarter, and separately, investors owning Aecom increased 6.11% from a year ago.
Among the 608 funds, 329 bought more Aecom shares, 198 sold down, and 81 held their ground.
Combined, these investors held 112.83Mn shares in ACM for March 2026, up by 13.99Mn shares quarter on quarter, and down 9.83Mn shares year over year.
As of March 31, 2026, the biggest holder of Aecom is BlackRock, Inc. at 15.76Mn shares, representing 12.24% of shares outstanding.
The biggest buyers of Aecom for the quarter ending March 2026 included VANGUARD CAPITAL MANAGEMENT LLC (5.8Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (5.51Mn), FMR LLC (921.65K), AQR CAPITAL MANAGEMENT LLC (890.44K), BARROW HANLEY MEWHINNEY & STRAUSS LLC (883.3K).
Top sellers of ACM stock for the quarter ending March 2026 included Goldman Sachs Group Inc (1.14Mn), FIRST TRUST ADVISORS LP (1.05Mn), Mariner, LLC (1.02Mn), ALLIANCEBERNSTEIN L.P. (958.42K), PANAGORA ASSET MANAGEMENT INC (937.28K).
Per Business Quant, the top 10 investors in ACM for the quarter ending March 2026 include BlackRock, Inc. (15.76Mn), PRIMECAP MANAGEMENT CO/CA/ (8.65Mn), VANGUARD CAPITAL MANAGEMENT LLC (5.8Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (5.51Mn), State Street Corp (5.04Mn), Invesco Ltd. (3.58Mn), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (3.48Mn), FIRST TRUST ADVISORS LP (3.03Mn), BARROW HANLEY MEWHINNEY & STRAUSS LLC (2.85Mn), GEODE CAPITAL MANAGEMENT, LLC (2.47Mn).

Form 13F Holdings

608 Institutional Holders

Report period 31 Mar, 2026

Total shares held 112.83Mn

Of outstanding 87.65%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	15,760,364	12.24%	▲553,385	+3.64%	$1.34Bn
2	PRIMECAP MANAGEMENT CO/CA/	0000763212	8,647,073	6.72%	▼20,210	-0.23%	$733.44Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	5,800,366	4.51%	▲5,800,366	0.00%	$491.99Mn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,506,279	4.28%	▲5,506,279	0.00%	$467.04Mn
5	State Street Corp	0000093751	5,041,460	3.92%	▼2,128	-0.04%	$427.62Mn
6	Invesco Ltd.	0000914208	3,575,351	2.78%	▼741,292	-17.17%	$303.26Mn
7	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	3,481,963	2.70%	▲708,053	+25.53%	$295.34Mn
8	FIRST TRUST ADVISORS LP	0001125816	3,026,446	2.35%	▼1,053,694	-25.82%	$256.70Mn
9	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0000313028	2,852,722	2.22%	▲883,304	+44.85%	$241.97Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,469,449	1.92%	▲25,174	+1.03%	$208.88Mn
11	Pictet Asset Management Holding SA	0001993888	2,128,362	1.65%	▼793,966	-27.17%	$180.52Mn
12	FMR LLC	0000315066	2,108,080	1.64%	▲921,651	+77.68%	$178.81Mn
13	Northern Trust Corp	0000073124	1,964,760	1.53%	▼70,258	-3.45%	$166.65Mn
14	Morgan Stanley	0000895421	1,679,469	1.30%	▲137,180	+8.89%	$142.45Mn
15	UBS Group AG	0001610520	1,425,606	1.11%	▲29,856	+2.14%	$120.92Mn
16	DIMENSIONAL FUND ADVISORS LP	0000354204	1,387,535	1.08%	▲82,903	+6.35%	$117.68Mn
17	Impax Asset Management Group plc	0001749768	1,382,667	1.07%	▼9,425	-0.68%	$117.28Mn
18	Bank of New York Mellon Corp	0001390777	1,298,472	1.01%	▼2,656	-0.20%	$110.14Mn
19	Amundi	0001330387	1,226,006	0.95%	▲170,926	+16.20%	$103.96Mn
20	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	1,221,349	0.95%	▲189,261	+18.34%	$103.59Mn

Showing 1 to 20 of 608 holders