Citadel Advisors’s Aecom ACM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $2.37M | Buy |
27,900
+16,600
| +147% | +$1.57M | ﹤0.01% | 5741 |
|
|
2025
Q4 | $1.08M | Buy |
11,300
+4,100
| +57% | +$482K | ﹤0.01% | 7224 |
|
|
2025
Q3 | $939K | Buy |
7,200
+800
| +13% | +$96.6K | ﹤0.01% | 7663 |
|
|
2025
Q2 | $722K | Sell |
6,400
-19,000
| -75% | -$1.97M | ﹤0.01% | 7775 |
|
|
2025
Q1 | $2.36M | Sell |
25,400
-66,300
| -72% | -$6.73M | ﹤0.01% | 5224 |
|
|
2024
Q4 | $9.8M | Buy |
91,700
+7,500
| +9% | +$819K | ﹤0.01% | 3013 |
|
|
2024
Q3 | $8.7M | Sell |
84,200
-16,000
| -16% | -$1.5M | ﹤0.01% | 3134 |
|
|
2024
Q2 | $8.83M | Sell |
100,200
-22,800
| -19% | -$2.08M | ﹤0.01% | 2937 |
|
|
2024
Q1 | $12.1M | Sell |
123,000
-103,700
| -46% | -$9.37M | ﹤0.01% | 2684 |
|
|
2023
Q4 | $21M | Buy |
226,700
+45,900
| +25% | +$3.9M | ﹤0.01% | 1968 |
|
|
2023
Q3 | $15M | Buy |
180,800
+12,400
| +7% | +$1.07M | ﹤0.01% | 2185 |
|
|
2023
Q2 | $14.3M | Buy |
168,400
+88,100
| +110% | +$7.22M | ﹤0.01% | 2241 |
|
|
2023
Q1 | $6.77M | Sell |
80,300
-61,800
| -43% | -$5.33M | ﹤0.01% | 3327 |
|
|
2022
Q4 | $12.1M | Buy |
142,100
+46,300
| +48% | +$3.64M | ﹤0.01% | 2556 |
|
|
2022
Q3 | $6.55M | Buy |
95,800
+22,500
| +31% | +$1.59M | ﹤0.01% | 3429 |
|
|
2022
Q2 | $4.78M | Buy |
73,300
+30,800
| +72% | +$2.15M | ﹤0.01% | 3877 |
|
|
2022
Q1 | $3.26M | Hold |
42,500
| – | – | ﹤0.01% | 5006 |
|
|
2021
Q4 | $3.29M | Buy |
42,500
+5,600
| +15% | +$393K | ﹤0.01% | 5156 |
|
|
2021
Q3 | $2.33M | Buy |
36,900
+20,000
| +118% | +$1.27M | ﹤0.01% | 5961 |
|
|
2021
Q2 | $1.07M | Sell |
16,900
-53,200
| -76% | -$3.48M | ﹤0.01% | 8205 |
|
|
2021
Q1 | $4.49M | Buy |
70,100
+40,500
| +137% | +$2.31M | ﹤0.01% | 4488 |
|
|
2020
Q4 | $1.47M | Sell |
29,600
-24,900
| -46% | -$1.19M | ﹤0.01% | 5995 |
|
|
2020
Q3 | $2.28M | Buy |
54,500
+7,500
| +16% | +$286K | ﹤0.01% | 4485 |
|
|
2020
Q2 | $1.77M | Sell |
47,000
-95,800
| -67% | -$3.43M | ﹤0.01% | 4802 |
|
|
2020
Q1 | $4.26M | Buy |
142,800
+49,800
| +54% | +$2.13M | ﹤0.01% | 2940 |
|
|
2019
Q4 | $4.01M | Buy |
93,000
+32,200
| +53% | +$1.33M | ﹤0.01% | 3371 |
|
|
2019
Q3 | $2.28M | Buy |
60,800
+53,900
| +781% | +$1.94M | ﹤0.01% | 4265 |
|
|
2019
Q2 | $261K | Buy |
+6,900
| New | +$229K | ﹤0.01% | 7796 |
|
|
2019
Q1 | – | Sell |
-10,500
| Closed | -$278K | – | 9192 |
|
|
2018
Q4 | $278K | Sell |
10,500
-5,700
| -35% | -$173K | ﹤0.01% | 7398 |
|
|
2018
Q3 | $529K | Buy |
16,200
+6,400
| +65% | +$211K | ﹤0.01% | 6600 |
|
|
2018
Q2 | $324K | Sell |
9,800
-900
| -8% | -$30.9K | ﹤0.01% | 7085 |
|
|
2018
Q1 | $381K | Buy |
10,700
+3,300
| +45% | +$122K | ﹤0.01% | 6342 |
|
|
2017
Q4 | $275K | Buy |
+7,400
| New | +$269K | ﹤0.01% | 6596 |
|
|
2017
Q3 | – | Sell |
-11,300
| Closed | -$365K | – | 7463 |
|
|
2017
Q2 | $365K | Sell |
11,300
-7,300
| -39% | -$242K | ﹤0.01% | 5577 |
|
|
2017
Q1 | $662K | Sell |
18,600
-23,700
| -56% | -$867K | ﹤0.01% | 4593 |
|
|
2016
Q4 | $1.54M | Buy |
42,300
+26,200
| +163% | +$870K | ﹤0.01% | 3276 |
|
|
2016
Q3 | $479K | Buy |
16,100
+8,600
| +115% | +$277K | ﹤0.01% | 4933 |
|
|
2016
Q2 | $238K | Sell |
7,500
-1,600
| -18% | -$50.6K | ﹤0.01% | 5564 |
|
|
2016
Q1 | $280K | Sell |
9,100
-12,300
| -57% | -$341K | ﹤0.01% | 5183 |
|
|
2015
Q4 | $643K | Sell |
21,400
-14,500
| -40% | -$436K | ﹤0.01% | 4147 |
|
|
2015
Q3 | $988K | Sell |
35,900
-509,800
| -93% | -$14.8M | ﹤0.01% | 3838 |
|
|
2015
Q2 | $18.1M | Sell |
545,700
-817,500
| -60% | -$27M | 0.02% | 1065 |
|
|
2015
Q1 | $42M | Buy |
1,363,200
+1,338,600
| +5,441% | +$38.2M | 0.04% | 561 |
|
|
2014
Q4 | $747K | Sell |
24,600
-3,133,500
| -99% | -$97.8M | ﹤0.01% | 4155 |
|
|
2014
Q3 | $107M | Buy |
3,158,100
+3,155,900
| +143,450% | +$112M | 0.11% | 173 |
|
|
2014
Q2 | $71K | Sell |
2,200
-900
| -29% | -$29K | ﹤0.01% | 6490 |
|
|
2014
Q1 | $100K | Buy |
+3,100
| New | +$94.5K | ﹤0.01% | 6196 |
|
|
2013
Q4 | – | Sell |
-2,800
| Closed | -$88K | – | 6981 |
|
|
2013
Q3 | $88K | Buy |
2,800
+1,800
| +180% | +$56.3K | ﹤0.01% | 5426 |
|
|
2013
Q2 | $32K | Buy |
+1,000
| New | +$30.2K | ﹤0.01% | 5866 |
|
Other funds holding ACM
VCM
VPM
Citadel Advisors's ACM Position: Q1 2026 in Review
Citadel Advisors increased its Aecom (ACM) stake by 39% in Q1 2026, buying an estimated $18.9M and bringing the position to 714,657 shares worth $60.6M. The position accounts for 0.01% of the portfolio, ranked #1180.
Citadel Advisors first reported a position in ACM in Q2 2013 and has held it in 47 quarters since. The position peaked at $139M in Q4 2019. 619 funds tracked by Wall St. Rank hold ACM as of Q1 2026.
- Citadel Advisors held 714,657 shares of Aecom worth $60.6M as of Q1 2026.
- Citadel Advisors bought 199,914 Aecom shares in Q1 2026, an estimated $18.9M.
- Aecom made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1180 holding.
- Citadel Advisors first reported a position in Aecom in Q2 2013 and has held it in 47 quarters since.
- Citadel Advisors's Aecom position peaked at $139M in Q4 2019.
- 619 funds tracked by Wall St. Rank held Aecom as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.