AIMCA
SUM

Alberta Investment Management Corp (AIMCo)’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Alberta Investment Management Corp (AIMCo)’s Portfolio SUM Stock Details SUM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-200,000
Closed -$10.1M – 893
2024
Q4 		$10.1M Buy
200,000
+120,950
+153% +$5.65M 0.07% 186
2024
Q3 		$3.09M Sell
79,050
-24,098
-23% -$926K 0.03% 333
2024
Q2 		$3.78M Buy
103,148
+17,377
+20% +$682K 0.04% 243
2024
Q1 		$3.82M Buy
85,771
+9,605
+13% +$380K 0.04% 284
2023
Q4 		$2.93M Hold
76,166
– – 0.03% 329
2023
Q3 		$2.37M Buy
76,166
+9,640
+14% +$343K 0.03% 403
2023
Q2 		$2.52M Sell
66,526
-8,323
-11% -$258K 0.02% 482
2023
Q1 		$2.13M Buy
74,849
+17,432
+30% +$527K 0.02% 534
2022
Q4 		$1.63M Buy
57,417
+9,264
+19% +$255K 0.01% 685
2022
Q3 		$1.13M Buy
48,153
+18,697
+63% +$502K 0.01% 868
2022
Q2 		$675K Sell
29,456
-30,412
-51% -$808K ﹤0.01% 994
2022
Q1 		$1.83M Buy
59,868
+31,977
+115% +$1.07M 0.01% 803
2021
Q4 		$1.1M Buy
+27,891
New +$1.02M 0.01% 732
2020
Q3 		– Sell
-10,577
Closed -$167K – 1167
2020
Q2 		$167K Buy
+10,577
New +$152K ﹤0.01% 1009
2017
Q1 		– Sell
-110,998
Closed -$2.56M – 926
2016
Q4 		$2.56M Buy
110,998
+18,826
+20% +$395K 0.02% 412
2016
Q3 		$1.64M Buy
92,172
+12,951
+16% +$251K 0.02% 469
2016
Q2 		$1.55M Buy
+79,221
New +$1.58M 0.02% 456

Other funds holding SUM

SFCL
Strengthening Families & Communities LLC Boston, Massachusetts $401M AUM 33.17% 1-Year Est. Return
PS
Principal Securities Des Moines, Iowa $6.82B AUM 17.15% 1-Year Est. Return
DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $60.6B AUM 23.27% 1-Year Est. Return
WAM
WFA Asset Management Whitefish Bay, Wisconsin $184M AUM 12.29% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Alberta Investment Management Corp (AIMCo)'s SUM Position: Q1 2025 in Review

Alberta Investment Management Corp (AIMCo) sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 200,000 shares — an estimated $10.1M sold.

Alberta Investment Management Corp (AIMCo) first reported a position in SUM in Q2 2016 and held it in 17 quarters. The position peaked at $10.1M in Q4 2024. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

  • Alberta Investment Management Corp (AIMCo) reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
  • Alberta Investment Management Corp (AIMCo) sold 200,000 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $10.1M.
  • Alberta Investment Management Corp (AIMCo) first reported a position in Summit Materials, Inc. Class A Common Stock in Q2 2016 and held it in 17 quarters.
  • Alberta Investment Management Corp (AIMCo)'s Summit Materials, Inc. Class A Common Stock position peaked at $10.1M in Q4 2024.
  • 7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q1 2025, filed 8 May 2025.