Aecom Technology Corporation (ACM) Ownership

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Aecom Technology Corporation (ACM), owning a total of 15.7 million shares. Combined, the top 34 institutional holders of ACM own 74.68% of the company with a total of 99.5 million shares.

In the latest ownership report on December 31st 2024, the top 34 institutional holders decreased their combined ownership of ACM by 1.3 million shares. 8 institutions bought 2,051,924 total additional shares and increased their ownership by an average of 15.30%. However 11 institutions sold 3,369,748 total shares and decreased their ownership by an average of 8.85%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Aecom Technology Corporation decreased by a net total of -1,317,824 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc11.795%-0.960%15,650,335-151,6302024-12-31
Vanguard Group Inc9.650%-0.702%12,804,619-90,5012024-12-31
PRIMECAP Management Company8.578%-9.029%11,381,582-1,129,6252024-12-31
Pictet Asset Manangement SA3.916%-0.073%5,196,149-3,7692024-12-31
State Street Corp3.873%2.559%5,138,870128,2142024-12-31
AllianceBernstein L.P.2.802%11.183%3,718,371373,9912024-12-31
UBS Asset Mgmt Americas Inc2.020%34.738%2,680,258691,0202024-12-31
Amvescap Plc.1.856%-17.501%2,462,961-522,4742024-12-31
Geode Capital Management, LLC1.713%0.125%2,273,2412,8332024-12-31
Barrow Hanley Mewhinney & Strauss LLC1.662%-3.678%2,205,755-84,2272024-12-31
Findlay Park Partners LLP1.357%-18.139%1,801,127-399,1002024-12-31
NORGES BANK1.344%-1.348%1,783,329-24,3692024-12-31
Northern Trust Corp1.255%53.473%1,664,893580,0782024-12-31
Morgan Stanley - Brokerage Accounts1.206%17.236%1,600,645235,3292024-12-31
Bank of New York Mellon Corp1.125%-2.372%1,492,590-36,2612024-12-31
Ninety One UK Limited1.115%-7.819%1,479,519-125,5032024-12-31
Amundi1.088%-35.722%1,443,658-802,2892024-12-31
Bank of America Corp1.056%0.163%1,400,8042,2822024-12-31
FMR Inc1.025%2.887%1,360,51038,1772024-12-31

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc11.795%-0.960%15,650,335-151,6302024-12-31
Vanguard Group Inc9.650%-0.702%12,804,619-90,5012024-12-31
PRIMECAP Management Company8.578%-9.029%11,381,582-1,129,6252024-12-31
Pictet Asset Manangement SA3.916%-0.073%5,196,149-3,7692024-12-31
State Street Corp3.873%2.559%5,138,870128,2142024-12-31
State Street Corporation3.770%3.455%5,054,204168,7722024-03-31
AllianceBernstein L.P.2.802%11.183%3,718,371373,9912024-12-31
UBS Asset Mgmt Americas Inc2.020%34.738%2,680,258691,0202024-12-31
Amvescap Plc.1.856%-17.501%2,462,961-522,4742024-12-31
Geode Capital Management, LLC1.713%0.125%2,273,2412,8332024-12-31
Barrow Hanley Mewhinney & Strauss LLC1.662%-3.678%2,205,755-84,2272024-12-31
Starboard Value LP1.330%-37.383%1,809,000-1,080,0002023-12-31
Findlay Park Partners LLP1.357%-18.139%1,801,127-399,1002024-12-31
NORGES BANK1.344%-1.348%1,783,329-24,3692024-12-31
Impax Asset Management Group PLC1.303%-1.376%1,728,374-24,1132024-09-30
Northern Trust Corp1.255%53.473%1,664,893580,0782024-12-31
Morgan Stanley - Brokerage Accounts1.206%17.236%1,600,645235,3292024-12-31
AGF Investments1.134%0.000%1,576,00002022-09-30
JPMorgan Chase & Co1.158%40.136%1,536,532440,0702024-09-30
Bank of New York Mellon Corp1.125%-2.372%1,492,590-36,2612024-12-31
Millennium Management LLC1.091%59.495%1,480,038552,0862024-03-31
Ninety One UK Limited1.115%-7.819%1,479,519-125,5032024-12-31
Amundi1.088%-35.722%1,443,658-802,2892024-12-31
Bank of America Corp1.056%0.163%1,400,8042,2822024-12-31
FMR Inc1.025%2.887%1,360,51038,1772024-12-31
CI Investments Inc0.982%2.286%1,303,25429,1272024-09-30
Dimensional Fund Advisors, Inc.0.839%-2.053%1,111,040-23,2822024-09-30
Jacobs Levy Equity Management, Inc.0.777%6.221%1,041,20760,9792024-06-30
AGF Management Ltd0.699%-23.609%971,371-300,2092023-03-31
First Trust Advisors L.P.0.692%11.682%960,282100,4472023-03-31
Goldman Sachs Group Inc0.677%-26.718%941,225-343,1672022-09-30
Charles Schwab Investment Management Inc0.631%2.993%874,76225,4242022-12-31
Sam Sustainable Asset Management Ltd0.599%-2.250%830,572-19,1142022-09-30
UBS Group AG0.559%-5.366%774,642-43,9262022-06-30

Mutual Fund Ownership

iShares Core S&P Mid-Cap ETF is the biggest individual fund holder of Aecom Technology Corporation (ACM), owning a total of 4.4 million shares. Combined, the top 34 mutual fund holders of ACM own 43.42% of the company with a total of 58.2 million shares.

In the latest ownership report on February 28th 2025, the top 34 fund holders increased their combined ownership of ACM by 39 thousand shares. 5 funds bought 48,479 total additional shares and increased their ownership by an average of 0.39%. However 2 funds sold 9,069 total shares and decreased their ownership by an average of 0.26%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Aecom Technology Corporation increased by a net total of 39,410 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Mid-Cap ETF3.285%0.075%4,359,0763,2662025-02-28
Vanguard Total Stock Mkt Idx Inv3.156%0.718%4,187,26129,8472025-02-28
Vanguard Small Cap Index2.549%0.081%3,381,9862,7512025-02-28
Vanguard Small Cap Value Index Inv1.679%-0.336%2,227,738-7,5112025-02-28
Vanguard Institutional Extnd Mkt Idx Tr1.533%0.114%2,033,5092,3202025-02-28
SPDR® S&P MIDCAP 400 ETF Trust0.816%0.960%1,083,09710,2952025-02-28
Global X US Infrastructure Dev ETF0.638%-0.184%846,286-1,5582025-02-28
State St Russell Sm/Mid Cp® Indx NL Cl C0.612%0.000%811,63302025-02-28
Invesco Water Resources ETF0.599%0.000%795,06002025-02-28

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Mid-Cap ETF3.285%0.075%4,359,0763,2662025-02-28
Vanguard Total Stock Mkt Idx Inv3.156%0.718%4,187,26129,8472025-02-28
Vanguard Instl Ttl Stck Mkt Idx Tr2.947%-3.180%4,087,650-134,2582023-03-31
Vanguard Capital Opportunity Inv2.966%-2.258%3,936,025-90,9112024-12-31
Vanguard Small Cap Index2.549%0.081%3,381,9862,7512025-02-28
Vanguard Small Cap Value Index Inv1.679%-0.336%2,227,738-7,5112025-02-28
Vanguard PRIMECAP Core Inv1.614%-2.562%2,140,954-56,2962024-12-31
Pictet - Global Envir Opps I USD1.592%-0.803%2,111,704-17,0872025-01-31
Vanguard Institutional Extnd Mkt Idx Tr1.533%0.114%2,033,5092,3202025-02-28
Vanguard Extended Market Index Investor1.395%0.226%1,935,7454,3732023-08-31
Pictet-Water I EUR1.451%-1.922%1,925,842-37,7362024-11-30
Findlay Park American I USD Dist1.357%-16.654%1,801,127-359,9002024-12-31
Pictet Water Segregated Accounts1.284%0.000%1,701,2301,701,2302024-03-31
PRIMECAP Odyssey Stock1.246%-9.811%1,653,190-179,8302024-12-31
Findlay Park American ICAV USD1.124%434.819%1,561,0551,269,1702023-01-31
First Trust Capital Strength ETF1.167%-0.106%1,548,324-1,6362025-02-27
Impax Water Strategy Composite1.139%-0.726%1,511,144-11,0582025-01-31
PRIMECAP Odyssey Aggressive Growth1.053%-8.543%1,397,650-130,5502024-12-31
Fidelity® Mid-Cap Stock0.881%0.000%1,197,73202023-11-30
PRIMECAP Odyssey Growth0.884%-25.315%1,172,851-397,5512024-12-31
SPDR® S&P MIDCAP 400 ETF Trust0.816%0.960%1,083,09710,2952025-02-28
AGF Global Select0.741%0.000%1,030,00002023-02-28
iShares S&P Mid-Cap 400 Value ETF0.702%-0.329%973,145-3,2122022-11-30
Fidelity Mid-Cap Stock0.700%0.000%928,52402025-01-31
JPMorgan Growth Advantage A0.657%-0.658%893,360-5,9202023-12-31
JPMorgan Mid Cap Growth I0.638%0.000%868,18302023-12-31
BNP Paribas Aqua C C0.647%-1.268%856,687-11,0042024-10-31
Global X US Infrastructure Dev ETF0.638%-0.184%846,286-1,5582025-02-28
BNP Paribas Aqua I0.638%0.008%844,960712024-09-30
State St Russell Sm/Mid Cp® Indx NL Cl C0.612%0.000%811,63302025-02-28
KBI Water A GBP0.588%15.187%800,253105,5112024-05-31
Invesco Water Resources ETF0.599%0.000%795,06002025-02-28
Fidelity Extended Market Index0.576%-0.200%782,064-1,5642024-03-31
Bridge Builder Large Cap Value0.570%0.000%775,99502024-05-31

Discussions

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glaglewd

$ACM Love this stock.

Light taps

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145zip

$ACM Another boring day I believe

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a

$ACM Let’s goooo

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Modok

$ACM the catalyst we need !

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