PMAM
SUM

Picton Mahoney Asset Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Picton Mahoney Asset Management’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
-590,000
Closed -$29.9M – 1066
2024
Q4 		$29.9M Buy
+590,000
New +$27.6M 0.61% 20
2018
Q2 		– Sell
-109,185
Closed -$3.25M – 220
2018
Q1 		$3.25M Sell
109,185
-54,772
-33% -$1.69M 0.23% 99
2017
Q4 		$5.07M Sell
163,957
-301,283
-65% -$9.07M 0.36% 86
2017
Q3 		$14.4M Buy
465,240
+22,521
+5% +$639K 1.09% 35
2017
Q2 		$12.4M Buy
442,719
+15,056
+4% +$392K 0.88% 42
2017
Q1 		$10.2M Sell
427,663
-186,138
-30% -$4.37M 0.69% 52
2016
Q4 		$14.2M Buy
+613,801
New +$12.9M 1.16% 27

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 $8.31B AUM 21.94% 1-Year Est. Return
DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 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

Picton Mahoney Asset Management's SUM Position: Q1 2025 in Review

Picton Mahoney Asset Management sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 590,000 shares — an estimated $29.9M sold.

Picton Mahoney Asset Management first reported a position in SUM in Q4 2016 and held it in 7 quarters. The position peaked at $29.9M in Q4 2024. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

  • Picton Mahoney Asset Management reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
  • Picton Mahoney Asset Management sold 590,000 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $29.9M.
  • Picton Mahoney Asset Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q4 2016 and held it in 7 quarters.
  • Picton Mahoney Asset Management's Summit Materials, Inc. Class A Common Stock position peaked at $29.9M in Q4 2024.
  • 7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2025, filed 7 May 2025.