Ken Griffin’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q1 | – | Sell |
-51,174
| Closed | -$2.59M | – | 15983 |
|
|
2024
Q4 | $2.59M | Sell |
51,174
-800,444
| -94% | -$37.4M | ﹤0.01% | 5102 |
|
|
2024
Q3 | $33.2M | Sell |
851,618
-768,699
| -47% | -$29.5M | 0.01% | 1585 |
|
|
2024
Q2 | $59.3M | Buy |
1,620,317
+301,583
| +23% | +$11.8M | 0.01% | 1020 |
|
|
2024
Q1 | $58.8M | Buy |
1,318,734
+212,822
| +19% | +$8.42M | 0.01% | 1080 |
|
|
2023
Q4 | $42.5M | Sell |
1,105,912
-313,854
| -22% | -$10.9M | 0.01% | 1307 |
|
|
2023
Q3 | $44.2M | Buy |
1,419,766
+836,654
| +143% | +$29.8M | 0.01% | 1169 |
|
|
2023
Q2 | $22.1M | Buy |
583,112
+492,648
| +545% | +$15.3M | ﹤0.01% | 1775 |
|
|
2023
Q1 | $2.58M | Sell |
90,464
-272,165
| -75% | -$8.23M | ﹤0.01% | 4899 |
|
|
2022
Q4 | $10.3M | Sell |
362,629
-178,984
| -33% | -$4.93M | ﹤0.01% | 2801 |
|
|
2022
Q3 | $12.8M | Buy |
541,613
+262,847
| +94% | +$7.06M | ﹤0.01% | 2414 |
|
|
2022
Q2 | $6.38M | Sell |
278,766
-288,499
| -51% | -$7.66M | ﹤0.01% | 3365 |
|
|
2022
Q1 | $17.3M | Buy |
567,265
+492,599
| +660% | +$16.4M | ﹤0.01% | 2156 |
|
|
2021
Q4 | $2.95M | Sell |
74,666
-281,277
| -79% | -$10.3M | ﹤0.01% | 5373 |
|
|
2021
Q3 | $11.2M | Sell |
355,943
-354,039
| -50% | -$11.6M | ﹤0.01% | 2887 |
|
|
2021
Q2 | $24.3M | Buy |
709,982
+656,368
| +1,224% | +$20.7M | 0.01% | 1849 |
|
|
2021
Q1 | $1.48M | Sell |
53,614
-998,360
| -95% | -$25.1M | ﹤0.01% | 7150 |
|
|
2020
Q4 | $20.8M | Buy |
1,051,974
+571,266
| +119% | +$10.6M | 0.01% | 1765 |
|
|
2020
Q3 | $7.82M | Sell |
480,708
-388,191
| -45% | -$6.22M | ﹤0.01% | 2591 |
|
|
2020
Q2 | $13.7M | Sell |
868,899
-1,334,654
| -61% | -$19.1M | ﹤0.01% | 1863 |
|
|
2020
Q1 | $32.5M | Sell |
2,203,553
-37,527
| -2% | -$729K | 0.01% | 868 |
|
|
2019
Q4 | $52.7M | Buy |
2,241,080
+1,170,385
| +109% | +$26.6M | 0.02% | 742 |
|
|
2019
Q3 | $23.4M | Buy |
1,070,695
+439,332
| +70% | +$8.68M | 0.01% | 1334 |
|
|
2019
Q2 | $11.9M | Buy |
631,363
+1,436
| +0.2% | +$22.8K | 0.01% | 1966 |
|
|
2019
Q1 | $9.83M | Sell |
629,927
-69,602
| -10% | -$1.09M | ﹤0.01% | 2103 |
|
|
2018
Q4 | $8.53M | Sell |
699,529
-144,480
| -17% | -$2M | ﹤0.01% | 2097 |
|
|
2018
Q3 | $15.1M | Buy |
844,009
+470,627
| +126% | +$10.2M | 0.01% | 1659 |
|
|
2018
Q2 | $9.64M | Buy |
373,382
+350,330
| +1,520% | +$9.76M | ﹤0.01% | 1979 |
|
|
2018
Q1 | $686K | Sell |
23,052
-261,672
| -92% | -$8.07M | ﹤0.01% | 5354 |
|
|
2017
Q4 | $8.8M | Sell |
284,724
-627,970
| -69% | -$18.9M | 0.01% | 1850 |
|
|
2017
Q3 | $28.3M | Buy |
912,694
+460,293
| +102% | +$13.1M | 0.02% | 863 |
|
|
2017
Q2 | $12.7M | Sell |
452,401
-1,949,497
| -81% | -$50.8M | 0.01% | 1281 |
|
|
2017
Q1 | $57.6M | Buy |
2,401,898
+1,449,249
| +152% | +$34M | 0.05% | 381 |
|
|
2016
Q4 | $22M | Sell |
952,649
-2,070,822
| -68% | -$43.4M | 0.02% | 816 |
|
|
2016
Q3 | $53.7M | Buy |
3,023,471
+1,800,473
| +147% | +$34.8M | 0.05% | 355 |
|
|
2016
Q2 | $24M | Buy |
1,222,998
+609,827
| +99% | +$12.2M | 0.03% | 656 |
|
|
2016
Q1 | $11.4M | Buy |
613,171
+61,793
| +11% | +$1.01M | 0.01% | 1103 |
|
|
2015
Q4 | $10.6M | Sell |
551,378
-269,393
| -33% | -$5.49M | 0.01% | 1234 |
|
|
2015
Q3 | $14.5M | Buy |
820,771
+605,464
| +281% | +$13.9M | 0.01% | 1110 |
|
|
2015
Q2 | $5.18M | Sell |
215,307
-274,172
| -56% | -$6.51M | ﹤0.01% | 2032 |
|
|
2015
Q1 | $10.2M | Buy |
+489,479
| New | +$9.95M | 0.01% | 1430 |
|
Other funds holding SUM
SFCL
PS
WAM
IA
HNB
Ken Griffin's SUM Position: Q1 2025 in Review
Ken Griffin sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 51,174 shares — an estimated $2.59M sold.
Ken Griffin first reported a position in SUM in Q1 2015 and held it in 40 quarters. The position peaked at $59.3M in Q2 2024. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.
- Ken Griffin reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
- Ken Griffin sold 51,174 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $2.59M.
- Ken Griffin first reported a position in Summit Materials, Inc. Class A Common Stock in Q1 2015 and held it in 40 quarters.
- Ken Griffin's Summit Materials, Inc. Class A Common Stock position peaked at $59.3M in Q2 2024.
- 7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.
Based on Citadel Advisors's 13F filing for Q1 2025, filed 15 May 2025.