GI
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GAMMA Investing’s Aecom ACM Stock Holding History

GAMMA Investing’s Portfolio ACM Stock Details ACM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$38.9K Sell
557
-688
-55% -$52.7K ﹤0.01% 2471
2026
Q1 		$106K Sell
1,245
-564
-31% -$53.5K ﹤0.01% 1629
2025
Q4 		$172K Sell
1,809
-468
-21% -$55K 0.01% 1146
2025
Q3 		$297K Buy
2,277
+406
+22% +$49K 0.02% 722
2025
Q2 		$211K Buy
1,871
+282
+18% +$29.3K 0.01% 875
2025
Q1 		$147K Buy
1,589
+61
+4% +$6.19K 0.01% 946
2024
Q4 		$163K Buy
1,528
+399
+35% +$43.6K 0.01% 792
2024
Q3 		$117K Buy
1,129
+241
+27% +$22.6K 0.01% 900
2024
Q2 		$78.3K Buy
888
+284
+47% +$25.9K 0.01% 910
2024
Q1 		$59.2K Buy
604
+211
+54% +$19.1K 0.01% 927
2023
Q4 		$34.7K Buy
+393
New +$33.4K 0.01% 1134

Other funds holding ACM

Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
PL
Perpetual Ltd Sydney, New South Wales, Australia $7B AUM 19.75% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
HAI
Hennessy Advisors Inc Novato, California $3.13B AUM 77.26% 1-Year Est. Return
YIH
Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return
NONA
Ninety One North America New York $2.13B AUM 9.16% 1-Year Est. Return
WCM
Wedge Capital Management Charlotte, North Carolina $6.06B AUM 47.24% 1-Year Est. Return
CBT
Central Bank & Trust Lexington, Kentucky $705M AUM 34.21% 1-Year Est. Return
CI
CX Institutional Auburn, Indiana $3.46B AUM 21.89% 1-Year Est. Return
LTAS
Linden Thomas Advisory Services Charlotte, North Carolina $1.24B AUM 47.37% 1-Year Est. Return

GAMMA Investing's ACM Position: Q2 2026 in Review

GAMMA Investing reduced its Aecom (ACM) stake by 55% in Q2 2026, selling an estimated $52.7K and leaving 557 shares worth $38.9K. The position accounts for ﹤0.01% of the portfolio, ranked #2471.

GAMMA Investing first reported a position in ACM in Q4 2023 and has held it in 11 quarters since. The position peaked at $297K in Q3 2025. 85 funds tracked by Wall St. Rank hold ACM as of Q2 2026.

  • GAMMA Investing held 557 shares of Aecom worth $38.9K as of Q2 2026.
  • GAMMA Investing sold 688 Aecom shares in Q2 2026, an estimated $52.7K.
  • Aecom made up ﹤0.01% of GAMMA Investing's portfolio in Q2 2026, its #2471 holding.
  • GAMMA Investing first reported a position in Aecom in Q4 2023 and has held it in 11 quarters since.
  • GAMMA Investing's Aecom position peaked at $297K in Q3 2025.
  • 85 funds tracked by Wall St. Rank held Aecom as of Q2 2026.

Based on GAMMA Investing's 13F filing for Q2 2026, filed 7 Jul 2026.