Calamos Advisors’s Waste Management WM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $53.1M | Buy |
230,863
+36,944
| +19% | +$8.49M | 0.19% | 122 |
|
|
2025
Q4 | $42.6M | Sell |
193,919
-85,135
| -31% | -$18.1M | 0.16% | 151 |
|
|
2025
Q3 | $61.6M | Buy |
279,054
+43,476
| +18% | +$9.79M | 0.23% | 95 |
|
|
2025
Q2 | $53.9M | Sell |
235,578
-47,922
| -17% | -$11.1M | 0.21% | 109 |
|
|
2025
Q1 | $65.6M | Buy |
283,500
+7,751
| +3% | +$1.72M | 0.29% | 75 |
|
|
2024
Q4 | $55.6M | Buy |
275,749
+114,236
| +71% | +$24.5M | 0.23% | 91 |
|
|
2024
Q3 | $33.5M | Sell |
161,513
-2,745
| -2% | -$573K | 0.15% | 171 |
|
|
2024
Q2 | $35M | Sell |
164,258
-7,359
| -4% | -$1.53M | 0.16% | 153 |
|
|
2024
Q1 | $36.6M | Sell |
171,617
-5,191
| -3% | -$1.02M | 0.17% | 155 |
|
|
2023
Q4 | $31.7M | Sell |
176,808
-164
| -0.1% | -$27.5K | 0.15% | 179 |
|
|
2023
Q3 | $27M | Buy |
176,972
+718
| +0.4% | +$116K | 0.14% | 189 |
|
|
2023
Q2 | $30.6M | Buy |
176,254
+2,030
| +1% | +$336K | 0.15% | 179 |
|
|
2023
Q1 | $28.4M | Sell |
174,224
-26,687
| -13% | -$4.09M | 0.14% | 183 |
|
|
2022
Q4 | $31.5M | Sell |
200,911
-39,698
| -16% | -$6.39M | 0.15% | 177 |
|
|
2022
Q3 | $38.5M | Buy |
240,609
+2,546
| +1% | +$420K | 0.18% | 144 |
|
|
2022
Q2 | $36.4M | Sell |
238,063
-13,884
| -6% | -$2.17M | 0.16% | 158 |
|
|
2022
Q1 | $39.9M | Buy |
251,947
+21,065
| +9% | +$3.19M | 0.15% | 162 |
|
|
2021
Q4 | $38.5M | Buy |
230,882
+4,744
| +2% | +$763K | 0.14% | 166 |
|
|
2021
Q3 | $33.8M | Sell |
226,138
-22,469
| -9% | -$3.36M | 0.15% | 179 |
|
|
2021
Q2 | $34.8M | Buy |
248,607
+106,398
| +75% | +$14.7M | 0.16% | 167 |
|
|
2021
Q1 | $18.3M | Sell |
142,209
-71,817
| -34% | -$8.39M | 0.1% | 221 |
|
|
2020
Q4 | $25.2M | Sell |
214,026
-32,070
| -13% | -$3.74M | 0.15% | 181 |
|
|
2020
Q3 | $27.9M | Buy |
246,096
+36,297
| +17% | +$4.01M | 0.18% | 145 |
|
|
2020
Q2 | $22.2M | Sell |
209,799
-16,758
| -7% | -$1.69M | 0.16% | 173 |
|
|
2020
Q1 | $21M | Sell |
226,557
-62,522
| -22% | -$7.17M | 0.16% | 175 |
|
|
2019
Q4 | $32.9M | Buy |
289,079
+29,590
| +11% | +$3.34M | 0.16% | 172 |
|
|
2019
Q3 | $29.8M | Buy |
259,489
+9,674
| +4% | +$1.13M | 0.16% | 179 |
|
|
2019
Q2 | $28.8M | Buy |
249,815
+11,199
| +5% | +$1.22M | 0.16% | 190 |
|
|
2019
Q1 | $24.8M | Buy |
238,616
+823
| +0.3% | +$80.3K | 0.15% | 192 |
|
|
2018
Q4 | $21.2M | Buy |
237,793
+70,983
| +43% | +$6.37M | 0.14% | 206 |
|
|
2018
Q3 | $15.1M | Buy |
+166,810
| New | +$14.8M | 0.08% | 262 |
|
|
2017
Q2 | – | Sell |
-304,947
| Closed | -$22.2M | – | 649 |
|
|
2017
Q1 | $22.2M | Buy |
304,947
+12,129
| +4% | +$866K | 0.18% | 173 |
|
|
2016
Q4 | $20.8M | Buy |
+292,818
| New | +$19.6M | 0.17% | 176 |
|
Other funds holding WM
VCM
VPM
Calamos Advisors's WM Position: Q1 2026 in Review
Calamos Advisors increased its Waste Management (WM) stake by 19% in Q1 2026, buying an estimated $8.49M and bringing the position to 230,863 shares worth $53.1M. The position accounts for 0.19% of the portfolio, ranked #122.
Calamos Advisors first reported a position in WM in Q4 2016 and has held it in 33 quarters since. The position peaked at $65.6M in Q1 2025. 2,353 funds tracked by Wall St. Rank hold WM as of Q1 2026.
- Calamos Advisors held 230,863 shares of Waste Management worth $53.1M as of Q1 2026.
- Calamos Advisors bought 36,944 Waste Management shares in Q1 2026, an estimated $8.49M.
- Waste Management made up 0.19% of Calamos Advisors's portfolio in Q1 2026, its #122 holding.
- Calamos Advisors first reported a position in Waste Management in Q4 2016 and has held it in 33 quarters since.
- Calamos Advisors's Waste Management position peaked at $65.6M in Q1 2025.
- 2,353 funds tracked by Wall St. Rank held Waste Management as of Q1 2026.
Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.