AMI
SUM

Amica Mutual Insurance’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Amica Mutual Insurance’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
-29,113
Closed -$1.47M – 140
2024
Q4 		$1.47M Sell
29,113
-11,687
-29% -$546K 0.15% 89
2024
Q3 		$1.59M Hold
40,800
– – 0.15% 93
2024
Q2 		$1.49M Buy
40,800
+3,846
+10% +$151K 0.15% 95
2024
Q1 		$1.65M Buy
36,954
+4,703
+15% +$186K 0.17% 96
2023
Q4 		$1.24M Buy
+32,251
New +$1.12M 0.13% 105

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 $4.82B AUM 20.19% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Amica Mutual Insurance's SUM Position: Q1 2025 in Review

Amica Mutual Insurance sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 29,113 shares — an estimated $1.47M sold.

Amica Mutual Insurance first reported a position in SUM in Q4 2023 and held it in 5 quarters. The position peaked at $1.65M in Q1 2024. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

  • Amica Mutual Insurance reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
  • Amica Mutual Insurance sold 29,113 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $1.47M.
  • Amica Mutual Insurance first reported a position in Summit Materials, Inc. Class A Common Stock in Q4 2023 and held it in 5 quarters.
  • Amica Mutual Insurance's Summit Materials, Inc. Class A Common Stock position peaked at $1.65M in Q1 2024.
  • 7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on Amica Mutual Insurance's 13F filing for Q1 2025, filed 13 May 2025.