Ken Griffin Aecom Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Aecom stock. As of the latest transaction made, Citadel Advisors LLC holds 84,694 shares of ACM stock, worth $11.3 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

84,694

Previous 141,605 40.19%

Holding current value

$11.3 Million

Previous $16 Million 30.86%

% of portfolio

0.0%

Previous 0.0%

29 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$111.08 - $132.99 $6.32 Million - $7.57 Million	-56,911 Reduced 40.19%	84,694 $11.1 Million
Q2 2025 Aug 14, 2025	BUY	$87.19 - $113.06 $3.57 Million - $4.63 Million	40,995 Added 40.75%	141,605 $16 Million
Q1 2025 May 15, 2025	SELL	$92.54 - $111.05 $2.33 Million - $2.79 Million	-25,161 Reduced 20.01%	100,610 $9.33 Million
Q4 2024 Feb 14, 2025	BUY	$101.97 - $116.97 $11.7 Million - $13.4 Million	114,553 Added 1021.15%	125,771 $13.4 Million
Q3 2024 Nov 14, 2024	SELL	$82.37 - $103.25 $763,981 - $957,643	-9,275 Reduced 45.26%	11,218 $1.16 Million

Q2 2024 Aug 14, 2024	SELL	$85.09 - $97.78 $520,750 - $598,413	-6,120 Reduced 23.0%	20,493 $1.81 Million
Q1 2024 May 15, 2024	SELL	$87.33 - $98.4 $22.3 Million - $25.1 Million	-255,101 Reduced 90.55%	26,613 $2.61 Million
Q4 2023 Feb 14, 2024	BUY	$74.81 - $93.45 $21.1 Million - $26.3 Million	281,714 New	281,714 $26 Million
Q2 2023 Aug 14, 2023	BUY	$76.6 - $86.67 $1.43 Million - $1.62 Million	18,659 Added 514.31%	22,287 $1.89 Million
Q1 2023 May 15, 2023	SELL	$80.84 - $91.11 $17.3 Million - $19.5 Million	-214,068 Reduced 98.33%	3,628 $305,000
Q4 2022 Feb 14, 2023	BUY	$68.45 - $85.88 $14.6 Million - $18.3 Million	213,394 Added 4960.34%	217,696 $18.5 Million
Q3 2022 Nov 14, 2022	SELL	$62.92 - $77.46 $3.78 Million - $4.65 Million	-60,031 Reduced 93.31%	4,302 $294,000
Q2 2022 Aug 15, 2022	SELL	$61.26 - $78.34 $23.8 Million - $30.4 Million	-388,074 Reduced 85.78%	64,333 $4.2 Million
Q1 2022 May 16, 2022	SELL	$66.74 - $79.56 $9.22 Million - $11 Million	-138,204 Reduced 23.4%	452,407 $34.7 Million
Q4 2021 Feb 14, 2022	BUY	$62.27 - $77.35 $4.27 Million - $5.3 Million	68,582 Added 13.14%	590,611 $45.7 Million
Q3 2021 Nov 15, 2021	SELL	$58.83 - $67.0 $50 Million - $57 Million	-850,470 Reduced 61.97%	522,029 $33 Million
Q2 2021 Aug 16, 2021	BUY	$59.93 - $69.11 $1.79 Million - $2.07 Million	29,948 Added 2.23%	1,372,499 $86.9 Million
Q1 2021 May 17, 2021	BUY	$48.92 - $65.29 $4.39 Million - $5.86 Million	89,757 Added 7.16%	1,342,551 $86.1 Million
Q4 2020 Feb 16, 2021	BUY	$42.24 - $52.54 $35.4 Million - $44 Million	837,506 Added 201.67%	1,252,794 $62.4 Million
Q3 2020 Nov 16, 2020	SELL	$35.14 - $41.84 $13.4 Million - $16 Million	-382,690 Reduced 47.96%	415,288 $17.4 Million
Q2 2020 Aug 14, 2020	SELL	$26.19 - $45.44 $93.1 Million - $161 Million	-3,552,992 Reduced 81.66%	797,978 $30 Million
Q1 2020 May 15, 2020	BUY	$23.82 - $51.92 $27.1 Million - $59.2 Million	1,139,582 Added 35.49%	4,350,970 $130 Million
Q4 2019 Feb 14, 2020	BUY	$36.08 - $43.84 $13.8 Million - $16.7 Million	382,027 Added 13.5%	3,211,388 $139 Million
Q3 2019 Nov 14, 2019	BUY	$32.44 - $38.43 $85.1 Million - $101 Million	2,623,737 Added 1275.99%	2,829,361 $106 Million
Q2 2019 Aug 14, 2019	BUY	$30.51 - $37.85 $5.89 Million - $7.31 Million	193,149 Added 1548.29%	205,624 $7.78 Million
Q1 2019 May 15, 2019	BUY	$26.37 - $31.53 $104,003 - $124,354	3,944 Added 46.23%	12,475 $0
Q3 2018 Nov 13, 2018	SELL	$32.09 - $34.31 $247,157 - $264,255	-7,702 Reduced 47.45%	8,531 $0
Q2 2018 Aug 10, 2018	SELL	$32.46 - $36.75 $103,742 - $117,453	-3,196 Reduced 16.45%	16,233 $0
Q1 2018 May 11, 2018	BUY	$34.49 - $39.62 $670,106 - $769,776	19,429 New	19,429 $692,000

Others Institutions Holding ACM

# of Institutions

709

Shares Held

125M

Call Options Held

404K

Put Options Held

125K

View Full List

About AECOM

Ticker ACM
Exchange NYSE
Sector Industrials
Industry Engineering & Construction
Shares Outstandng 139,650,000
Market Cap $18.6B
Description
AECOM, together with its subsidiaries, provides professional infrastructure consulting services for governments, businesses, and organizations in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates through three segments: Americas, International, and AECOM Capital. The company offers planning, consulting, architectur...

More about ACM

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