Calamos Advisors’s Microsoft MSFT Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $879M | Buy |
2,375,507
+247,258
| +12% | +$103M | 3.12% | 3 |
|
|
2025
Q4 | $1.03B | Sell |
2,128,249
-68,990
| -3% | -$34.6M | 3.87% | 3 |
|
|
2025
Q3 | $1.14B | Sell |
2,197,239
-34,397
| -2% | -$17.5M | 4.2% | 2 |
|
|
2025
Q2 | $1.11B | Sell |
2,231,636
-69,947
| -3% | -$30.4M | 4.37% | 2 |
|
|
2025
Q1 | $864M | Sell |
2,301,583
-16,258
| -0.7% | -$6.63M | 3.76% | 2 |
|
|
2024
Q4 | $977M | Sell |
2,317,841
-39,806
| -2% | -$17M | 4.09% | 3 |
|
|
2024
Q3 | $1.01B | Sell |
2,357,647
-115,235
| -5% | -$49.3M | 4.39% | 1 |
|
|
2024
Q2 | $1.11B | Sell |
2,472,882
-48,318
| -2% | -$20.4M | 4.91% | 1 |
|
|
2024
Q1 | $1.06B | Sell |
2,521,200
-48,557
| -2% | -$19.7M | 5.03% | 1 |
|
|
2023
Q4 | $966M | Sell |
2,569,757
-29,669
| -1% | -$10.6M | 4.69% | 1 |
|
|
2023
Q3 | $821M | Buy |
2,599,426
+17,337
| +0.7% | +$5.73M | 4.26% | 1 |
|
|
2023
Q2 | $879M | Sell |
2,582,089
-130,631
| -5% | -$40.9M | 4.35% | 2 |
|
|
2023
Q1 | $782M | Sell |
2,712,720
-313,289
| -10% | -$79.9M | 3.82% | 2 |
|
|
2022
Q4 | $726M | Sell |
3,026,009
-339,640
| -10% | -$81.5M | 3.4% | 1 |
|
|
2022
Q3 | $784M | Sell |
3,365,649
-5,223
| -0.2% | -$1.38M | 3.59% | 2 |
|
|
2022
Q2 | $866M | Buy |
3,370,872
+33,701
| +1% | +$9.15M | 3.73% | 1 |
|
|
2022
Q1 | $1.03B | Buy |
3,337,171
+257,953
| +8% | +$77.6M | 3.86% | 2 |
|
|
2021
Q4 | $1.04B | Buy |
3,079,218
+73,162
| +2% | +$23.7M | 3.87% | 1 |
|
|
2021
Q3 | $847M | Buy |
3,006,056
+143,497
| +5% | +$41.8M | 3.7% | 1 |
|
|
2021
Q2 | $775M | Buy |
2,862,559
+359,157
| +14% | +$91.3M | 3.54% | 1 |
|
|
2021
Q1 | $590M | Buy |
2,503,402
+68,310
| +3% | +$15.8M | 3.22% | 1 |
|
|
2020
Q4 | $542M | Sell |
2,435,092
-99,535
| -4% | -$21.4M | 3.14% | 4 |
|
|
2020
Q3 | $533M | Sell |
2,534,627
-156,667
| -6% | -$32.9M | 3.43% | 2 |
|
|
2020
Q2 | $548M | Sell |
2,691,294
-23,944
| -0.9% | -$4.35M | 3.87% | 1 |
|
|
2020
Q1 | $428M | Sell |
2,715,238
-910,281
| -25% | -$150M | 3.36% | 2 |
|
|
2019
Q4 | $572M | Sell |
3,625,519
-100,887
| -3% | -$14.8M | 2.83% | 2 |
|
|
2019
Q3 | $518M | Buy |
3,726,406
+100,847
| +3% | +$13.9M | 2.82% | 1 |
|
|
2019
Q2 | $486M | Buy |
3,625,559
+74,492
| +2% | +$9.46M | 2.7% | 1 |
|
|
2019
Q1 | $419M | Buy |
3,551,067
+128,948
| +4% | +$14.1M | 2.61% | 1 |
|
|
2018
Q4 | $348M | Buy |
3,422,119
+156,334
| +5% | +$16.7M | 2.29% | 1 |
|
|
2018
Q3 | $374M | Buy |
3,265,785
+20,888
| +0.6% | +$2.26M | 2.05% | 4 |
|
|
2018
Q2 | $320M | Buy |
3,244,897
+85,801
| +3% | +$8.32M | 1.96% | 4 |
|
|
2018
Q1 | $288M | Buy |
3,159,096
+28,732
| +0.9% | +$2.63M | 1.88% | 3 |
|
|
2017
Q4 | $268M | Sell |
3,130,364
-277,312
| -8% | -$22.7M | 1.36% | 6 |
|
|
2017
Q3 | $254M | Sell |
3,407,676
-90,316
| -3% | -$6.6M | 1.96% | 3 |
|
|
2017
Q2 | $241M | Sell |
3,497,992
-134,286
| -4% | -$9.22M | 1.78% | 4 |
|
|
2017
Q1 | $239M | Sell |
3,632,278
-83,792
| -2% | -$5.37M | 1.88% | 3 |
|
|
2016
Q4 | $231M | Sell |
3,716,070
-566,014
| -13% | -$34M | 1.84% | 4 |
|
|
2016
Q3 | $247M | Sell |
4,282,084
-1,207,107
| -22% | -$68.1M | 1.76% | 3 |
|
|
2016
Q2 | $281M | Sell |
5,489,191
-966,711
| -15% | -$50.2M | 1.97% | 3 |
|
|
2016
Q1 | $357M | Sell |
6,455,902
-230,447
| -3% | -$12.1M | 2.37% | 3 |
|
|
2015
Q4 | $371M | Buy |
6,686,349
+242,492
| +4% | +$12.8M | 2.36% | 3 |
|
|
2015
Q3 | $285M | Buy |
6,443,857
+90,525
| +1% | +$4.06M | 1.97% | 2 |
|
|
2015
Q2 | $281M | Buy |
6,353,332
+695,483
| +12% | +$31.7M | 1.73% | 2 |
|
|
2015
Q1 | $230M | Buy |
5,657,849
+840,995
| +17% | +$36.6M | 1.44% | 4 |
|
|
2014
Q4 | $224M | Buy |
4,816,854
+1,570,489
| +48% | +$73.7M | 1.48% | 4 |
|
|
2014
Q3 | $151M | Buy |
3,246,365
+981,420
| +43% | +$43.8M | 1% | 19 |
|
|
2014
Q2 | $94.4M | Buy |
2,264,945
+721,120
| +47% | +$29.2M | 0.6% | 41 |
|
|
2014
Q1 | $63.3M | Buy |
1,543,825
+3,630
| +0.2% | +$136K | 0.4% | 67 |
|
|
2013
Q4 | $57.6M | Buy |
1,540,195
+1,195
| +0.1% | +$43.4K | 0.37% | 70 |
|
|
2013
Q3 | $51.3M | Hold |
1,539,000
| – | – | 0.32% | 85 |
|
|
2013
Q2 | $53.1M | Buy |
+1,539,000
| New | +$50.4M | 0.35% | 82 |
|
Other funds holding MSFT
VCM
VPM
Calamos Advisors's MSFT Position: Q1 2026 in Review
Calamos Advisors increased its Microsoft (MSFT) stake by 12% in Q1 2026, buying an estimated $103M and bringing the position to 2,375,507 shares worth $879M. The position accounts for 3.12% of the portfolio, ranked #3.
Calamos Advisors first reported a position in MSFT in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.14B in Q3 2025. 6,182 funds tracked by Wall St. Rank hold MSFT as of Q1 2026.
- Calamos Advisors held 2,375,507 shares of Microsoft worth $879M as of Q1 2026.
- Calamos Advisors bought 247,258 Microsoft shares in Q1 2026, an estimated $103M.
- Microsoft made up 3.12% of Calamos Advisors's portfolio in Q1 2026, its #3 holding.
- Calamos Advisors first reported a position in Microsoft in Q2 2013 and has held it in 52 quarters since.
- Calamos Advisors's Microsoft position peaked at $1.14B in Q3 2025.
- 6,182 funds tracked by Wall St. Rank held Microsoft as of Q1 2026.
Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.