William Blair & Company’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
$1.29B Sell
3,498,110
-76,458
-2% -$32M 3.71% 2
2025
Q4
$1.73B Sell
3,574,568
-32,538
-0.9% -$16.3M 4.64% 1
2025
Q3
$1.87B Sell
3,607,106
-89,598
-2% -$45.7M 4.97% 1
2025
Q2
$1.84B Sell
3,696,704
-69,498
-2% -$30.2M 5.11% 1
2025
Q1
$1.41B Sell
3,766,202
-45,568
-1% -$18.6M 4.26% 1
2024
Q4
$1.61B Buy
3,811,770
+43,033
+1% +$18.3M 4.67% 1
2024
Q3
$1.62B Sell
3,768,737
-20,028
-0.5% -$8.56M 4.76% 1
2024
Q2
$1.69B Buy
3,788,765
+124,105
+3% +$52.4M 5.22% 1
2024
Q1
$1.54B Buy
3,664,660
+234
+0% +$94.7K 4.84% 1
2023
Q4
$1.38B Buy
3,664,426
+19,719
+0.5% +$7.02M 4.7% 1
2023
Q3
$1.15B Sell
3,644,707
-32,166
-0.9% -$10.6M 4.41% 1
2023
Q2
$1.25B Buy
3,676,873
+9,116
+0.2% +$2.86M 4.59% 1
2023
Q1
$1.06B Sell
3,667,757
-14,368
-0.4% -$3.66M 4.22% 2
2022
Q4
$883M Sell
3,682,125
-40,805
-1% -$9.79M 3.84% 1
2022
Q3
$867M Buy
3,722,930
+9,088
+0.2% +$2.4M 3.98% 2
2022
Q2
$954M Sell
3,713,842
-40,784
-1% -$11.1M 4.23% 1
2022
Q1
$1.16B Sell
3,754,626
-52,821
-1% -$15.9M 4.06% 2
2021
Q4
$1.28B Buy
3,807,447
+96,863
+3% +$31.4M 4.02% 1
2021
Q3
$1.05B Buy
3,710,584
+41,534
+1% +$12.1M 3.56% 1
2021
Q2
$994M Sell
3,669,050
-2,234
-0.1% -$568K 3.44% 1
2021
Q1
$866M Sell
3,671,284
-358,935
-9% -$83.3M 3.27% 1
2020
Q4
$896M Buy
4,030,219
+55,503
+1% +$11.9M 3.29% 3
2020
Q3
$836M Sell
3,974,716
-903
-0% -$190K 3.55% 3
2020
Q2
$809M Buy
3,975,619
+96,872
+2% +$17.6M 3.86% 3
2020
Q1
$612M Sell
3,878,747
-190,207
-5% -$31.3M 3.82% 2
2019
Q4
$642M Buy
4,068,954
+33,455
+0.8% +$4.91M 3.3% 2
2019
Q3
$561M Sell
4,035,499
-49,537
-1% -$6.81M 3.23% 2
2019
Q2
$547M Buy
4,085,036
+82,250
+2% +$10.4M 3.13% 1
2019
Q1
$472M Buy
4,002,786
+106,176
+3% +$11.6M 2.88% 2
2018
Q4
$396M Sell
3,896,610
-4,508
-0.1% -$483K 2.89% 1
2018
Q3
$446M Buy
3,901,118
+64,678
+2% +$7.01M 2.73% 3
2018
Q2
$378M Buy
3,836,440
+190,295
+5% +$18.4M 2.57% 3
2018
Q1
$333M Buy
3,646,145
+55,481
+2% +$5.07M 2.35% 3
2017
Q4
$307M Buy
3,590,664
+49,177
+1% +$4.03M 2.08% 4
2017
Q3
$264M Buy
3,541,487
+28,983
+0.8% +$2.12M 1.98% 5
2017
Q2
$242M Buy
3,512,504
+264,647
+8% +$18.2M 1.82% 5
2017
Q1
$212M Buy
3,247,857
+266,379
+9% +$17.1M 1.71% 6
2016
Q4
$185M Buy
2,981,478
+143,977
+5% +$8.66M 1.66% 6
2016
Q3
$163M Buy
2,837,501
+71,102
+3% +$4.01M 1.44% 6
2016
Q2
$142M Buy
2,766,399
+269,291
+11% +$14M 1.32% 7
2016
Q1
$138M Buy
2,497,108
+704,848
+39% +$36.9M 1.3% 8
2015
Q4
$99.4M Buy
1,792,260
+137,473
+8% +$7.23M 0.93% 17
2015
Q3
$73.2M Buy
1,654,787
+162,090
+11% +$7.28M 0.63% 32
2015
Q2
$65.9M Sell
1,492,697
-57,486
-4% -$2.62M 0.1% 285
2015
Q1
$63M Sell
1,550,183
-89,329
-5% -$3.89M 0.1% 277
2014
Q4
$76.2M Buy
1,639,512
+37,949
+2% +$1.78M 0.12% 231
2014
Q3
$74.2M Buy
1,601,563
+46,053
+3% +$2.05M 0.13% 232
2014
Q2
$64.9M Buy
1,555,510
+41,229
+3% +$1.67M 0.11% 269
2014
Q1
$62.1M Buy
1,514,281
+11,542
+0.8% +$433K 0.1% 278
2013
Q4
$56.2M Sell
1,502,739
-8,550
-0.6% -$311K 0.09% 313
2013
Q3
$50.3M Sell
1,511,289
-226,067
-13% -$7.44M 0.09% 326
2013
Q2
$60M Buy
+1,737,356
New +$56.9M 0.12% 261

Other funds holding MSFT

William Blair & Company's MSFT Position: Q1 2026 in Review

William Blair & Company reduced its Microsoft (MSFT) stake by 2.1% in Q1 2026, selling an estimated $32M and leaving 3,498,110 shares worth $1.29B. The position accounts for 3.71% of the portfolio, ranked #2.

William Blair & Company first reported a position in MSFT in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.87B in Q3 2025. 6,184 funds tracked by Wall St. Rank hold MSFT as of Q1 2026.

  • William Blair & Company held 3,498,110 shares of Microsoft worth $1.29B as of Q1 2026.
  • William Blair & Company sold 76,458 Microsoft shares in Q1 2026, an estimated $32M.
  • Microsoft made up 3.71% of William Blair & Company's portfolio in Q1 2026, its #2 holding.
  • William Blair & Company first reported a position in Microsoft in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Microsoft position peaked at $1.87B in Q3 2025.
  • 6,184 funds tracked by Wall St. Rank held Microsoft as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.