Ken Griffin’s Casella Waste Systems CWST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $2.76M | Sell |
34,749
-430,023
| -93% | -$41.2M | ﹤0.01% | 5435 |
|
|
2025
Q4 | $45.5M | Buy |
464,772
+399,971
| +617% | +$37.1M | 0.01% | 1510 |
|
|
2025
Q3 | $6.15M | Buy |
64,801
+49,179
| +315% | +$4.95M | ﹤0.01% | 3988 |
|
|
2025
Q2 | $1.8M | Buy |
+15,622
| New | +$1.81M | ﹤0.01% | 5898 |
|
|
2024
Q2 | – | Sell |
-231
| Closed | -$22.2K | – | 14411 |
|
|
2024
Q1 | $22.8K | Sell |
231
-2,797
| -92% | -$251K | ﹤0.01% | 12922 |
|
|
2023
Q4 | $259K | Sell |
3,028
-87,457
| -97% | -$7.03M | ﹤0.01% | 9455 |
|
|
2023
Q3 | $6.9M | Sell |
90,485
-191,767
| -68% | -$15.7M | ﹤0.01% | 3181 |
|
|
2023
Q2 | $25.5M | Buy |
282,252
+197,337
| +232% | +$17.6M | 0.01% | 1637 |
|
|
2023
Q1 | $7.02M | Buy |
84,915
+24,641
| +41% | +$1.95M | ﹤0.01% | 3283 |
|
|
2022
Q4 | $4.78M | Sell |
60,274
-117,936
| -66% | -$9.47M | ﹤0.01% | 3938 |
|
|
2022
Q3 | $13.6M | Buy |
178,210
+127,032
| +248% | +$10.2M | ﹤0.01% | 2349 |
|
|
2022
Q2 | $3.72M | Sell |
51,178
-84,797
| -62% | -$6.46M | ﹤0.01% | 4358 |
|
|
2022
Q1 | $11.9M | Sell |
135,975
-62,013
| -31% | -$4.94M | ﹤0.01% | 2694 |
|
|
2021
Q4 | $16.9M | Buy |
197,988
+139,628
| +239% | +$11.7M | ﹤0.01% | 2235 |
|
|
2021
Q3 | $4.43M | Sell |
58,360
-8,752
| -13% | -$617K | ﹤0.01% | 4540 |
|
|
2021
Q2 | $4.26M | Sell |
67,112
-73,488
| -52% | -$4.88M | ﹤0.01% | 4791 |
|
|
2021
Q1 | $8.94M | Buy |
+140,600
| New | +$8.5M | ﹤0.01% | 3156 |
|
|
2020
Q2 | – | Sell |
-120,164
| Closed | -$5.73M | – | 9872 |
|
|
2020
Q1 | $4.69M | Buy |
+120,164
| New | +$5.83M | ﹤0.01% | 2796 |
|
|
2019
Q3 | – | Sell |
-8,049
| Closed | -$349K | – | 9241 |
|
|
2019
Q2 | $319K | Sell |
8,049
-8,224
| -51% | -$309K | ﹤0.01% | 7486 |
|
|
2019
Q1 | $579K | Buy |
16,273
+6,931
| +74% | +$226K | ﹤0.01% | 6542 |
|
|
2018
Q4 | $266K | Buy |
+9,342
| New | +$284K | ﹤0.01% | 7463 |
|
|
2018
Q2 | – | Sell |
-76,228
| Closed | -$1.78M | – | 8881 |
|
|
2018
Q1 | $1.78M | Buy |
76,228
+17,781
| +30% | +$436K | ﹤0.01% | 3908 |
|
|
2017
Q4 | $1.35M | Buy |
58,447
+17,478
| +43% | +$344K | ﹤0.01% | 4208 |
|
|
2017
Q3 | $770K | Buy |
40,969
+5,268
| +15% | +$89.7K | ﹤0.01% | 4685 |
|
|
2017
Q2 | $586K | Buy |
+35,701
| New | +$528K | ﹤0.01% | 4897 |
|
|
2015
Q1 | – | Sell |
-245,599
| Closed | -$992K | – | 8559 |
|
|
2014
Q4 | $992K | Buy |
245,599
+22,647
| +10% | +$91.5K | ﹤0.01% | 3779 |
|
|
2014
Q3 | $859K | Buy |
222,952
+100,802
| +83% | +$468K | ﹤0.01% | 3897 |
|
|
2014
Q2 | $612K | Buy |
122,150
+50,851
| +71% | +$267K | ﹤0.01% | 4129 |
|
|
2014
Q1 | $364K | Buy |
71,299
+28,222
| +66% | +$151K | ﹤0.01% | 4788 |
|
|
2013
Q4 | $250K | Buy |
43,077
+15,479
| +56% | +$89.9K | ﹤0.01% | 4787 |
|
|
2013
Q3 | $159K | Buy |
+27,598
| New | +$139K | ﹤0.01% | 4976 |
|
Other funds holding CWST
VPM
CCA
VCM
WA
Ken Griffin's CWST Position: Q1 2026 in Review
Ken Griffin reduced its Casella Waste Systems (CWST) stake by 93% in Q1 2026, selling an estimated $41.2M and leaving 34,749 shares worth $2.76M. The position accounts for ﹤0.01% of the portfolio, ranked #5435.
Ken Griffin first reported a position in CWST in Q3 2013 and has held it in 31 quarters since. The position peaked at $45.5M in Q4 2025. 406 funds tracked by Wall St. Rank hold CWST as of Q1 2026.
- Ken Griffin held 34,749 shares of Casella Waste Systems worth $2.76M as of Q1 2026.
- Ken Griffin sold 430,023 Casella Waste Systems shares in Q1 2026, an estimated $41.2M.
- Casella Waste Systems made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5435 holding.
- Ken Griffin first reported a position in Casella Waste Systems in Q3 2013 and has held it in 31 quarters since.
- Ken Griffin's Casella Waste Systems position peaked at $45.5M in Q4 2025.
- 406 funds tracked by Wall St. Rank held Casella Waste Systems as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.