CM
SUM

Castleark Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Castleark 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
2024
Q4 		– Sell
-118,178
Closed -$4.61M – 346
2024
Q3 		$4.61M Sell
118,178
-4,320
-4% -$166K 0.19% 128
2024
Q2 		$4.48M Sell
122,498
-1,050
-0.8% -$41.2K 0.18% 126
2024
Q1 		$5.51M Sell
123,548
-32,278
-21% -$1.28M 0.23% 103
2023
Q4 		$5.99M Sell
155,826
-41,570
-21% -$1.44M 0.27% 89
2023
Q3 		$6.15M Sell
197,396
-12,050
-6% -$429K 0.31% 65
2023
Q2 		$7.93M Buy
209,446
+64,190
+44% +$1.99M 0.36% 56
2023
Q1 		$4.14M Hold
145,256
– – 0.2% 115
2022
Q4 		$4.12M Sell
145,256
-19,391
-12% -$534K 0.22% 110
2022
Q3 		$3.88M Buy
164,647
+33,134
+25% +$889K 0.22% 120
2022
Q2 		$3.01M Sell
131,513
-184,433
-58% -$4.9M 0.16% 132
2022
Q1 		$9.65M Sell
315,946
-6,296
-2% -$210K 0.42% 44
2021
Q4 		$12.7M Sell
322,242
-33,474
-9% -$1.23M 0.47% 45
2021
Q3 		$11.2M Sell
355,716
-19,923
-5% -$650K 0.43% 63
2021
Q2 		$12.9M Sell
375,639
-22,069
-6% -$696K 0.43% 54
2021
Q1 		$11M Buy
+397,708
New +$10M 0.39% 75
2018
Q2 		– Sell
-346,478
Closed -$10.3M – 434
2018
Q1 		$10.3M Sell
346,478
-230,593
-40% -$7.11M 0.33% 95
2017
Q4 		$17.8M Sell
577,071
-2,175
-0.4% -$65.5K 0.54% 50
2017
Q3 		$18M Buy
579,246
+187,819
+48% +$5.33M 0.56% 43
2017
Q2 		$11M Buy
+391,427
New +$10.2M 0.36% 93
2015
Q4 		– Sell
-356,872
Closed -$6.32M – 421
2015
Q3 		$6.32M Buy
+356,872
New +$8.22M 0.2% 132

Other funds holding SUM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $23.2B AUM 40.19% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Castleark Management's SUM Position: Q4 2024 in Review

Castleark Management sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q4 2024, closing a stake of 118,178 shares — an estimated $4.61M sold.

Castleark Management first reported a position in SUM in Q3 2015 and held it in 20 quarters. The position peaked at $18M in Q3 2017. 396 funds tracked by Wall St. Rank hold SUM as of Q4 2024.

  • Castleark Management reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q4 2024 after selling out during the quarter.
  • Castleark Management sold 118,178 Summit Materials, Inc. Class A Common Stock shares in Q4 2024, an estimated $4.61M.
  • Castleark Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q3 2015 and held it in 20 quarters.
  • Castleark Management's Summit Materials, Inc. Class A Common Stock position peaked at $18M in Q3 2017.
  • 396 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q4 2024.

Based on Castleark Management's 13F filing for Q4 2024, filed 18 Feb 2025.