William Blair & Company’s Exact Sciences EXAS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-128,517
Closed -$13.1M 1954
2025
Q4
$13.1M Sell
128,517
-10,977
-8% -$882K 0.04% 308
2025
Q3
$7.63M Sell
139,494
-24,493
-15% -$1.22M 0.02% 422
2025
Q2
$8.71M Sell
163,987
-50,482
-24% -$2.56M 0.02% 377
2025
Q1
$9.28M Sell
214,469
-89,912
-30% -$4.55M 0.03% 344
2024
Q4
$17.1M Sell
304,381
-53,430
-15% -$3.32M 0.05% 246
2024
Q3
$24.4M Sell
357,811
-88,875
-20% -$5.02M 0.07% 204
2024
Q2
$18.9M Buy
446,686
+99,817
+29% +$5.49M 0.06% 226
2024
Q1
$24M Sell
346,869
-22,988
-6% -$1.45M 0.08% 190
2023
Q4
$27.4M Sell
369,857
-8,272
-2% -$542K 0.09% 171
2023
Q3
$25.8M Sell
378,129
-8,587
-2% -$729K 0.1% 169
2023
Q2
$36.3M Sell
386,716
-3,720
-1% -$290K 0.13% 145
2023
Q1
$26.5M Sell
390,436
-22,022
-5% -$1.42M 0.11% 172
2022
Q4
$20.4M Sell
412,458
-2,119
-0.5% -$86.6K 0.09% 193
2022
Q3
$13.5M Sell
414,577
-30,863
-7% -$1.27M 0.06% 237
2022
Q2
$17.5M Sell
445,440
-311,563
-41% -$16.7M 0.08% 209
2022
Q1
$52.9M Buy
757,003
+125,339
+20% +$9.16M 0.19% 118
2021
Q4
$49.2M Sell
631,664
-23,238
-4% -$2.05M 0.15% 136
2021
Q3
$62.5M Sell
654,902
-46,507
-7% -$4.91M 0.21% 104
2021
Q2
$87.2M Sell
701,409
-23,480
-3% -$2.8M 0.3% 78
2021
Q1
$95.5M Buy
724,889
+37,322
+5% +$5.11M 0.36% 62
2020
Q4
$91.1M Sell
687,567
-3,615
-0.5% -$437K 0.33% 70
2020
Q3
$70.5M Buy
691,182
+8,909
+1% +$769K 0.3% 74
2020
Q2
$59.3M Sell
682,273
-91,203
-12% -$7.29M 0.28% 75
2020
Q1
$44.9M Sell
773,476
-269,065
-26% -$21.8M 0.28% 80
2019
Q4
$96.4M Buy
1,042,541
+159,812
+18% +$14M 0.5% 46
2019
Q3
$79.8M Buy
882,729
+92,540
+12% +$10.5M 0.46% 51
2019
Q2
$93.3M Sell
790,189
-1,256
-0.2% -$127K 0.53% 46
2019
Q1
$68.6M Buy
791,445
+2,083
+0.3% +$177K 0.42% 64
2018
Q4
$49.8M Buy
789,362
+19,182
+2% +$1.32M 0.36% 73
2018
Q3
$60.8M Buy
770,180
+136,803
+22% +$8.92M 0.37% 71
2018
Q2
$37.9M Sell
633,377
-31,161
-5% -$1.68M 0.26% 98
2018
Q1
$26.8M Buy
664,538
+57,225
+9% +$2.79M 0.19% 119
2017
Q4
$31.9M Sell
607,313
-39,803
-6% -$2.13M 0.22% 114
2017
Q3
$30.5M Buy
647,116
+21,135
+3% +$851K 0.23% 111
2017
Q2
$22.1M Sell
625,981
-26,317
-4% -$812K 0.17% 144
2017
Q1
$14.6M Buy
652,298
+92,773
+17% +$1.84M 0.12% 186
2016
Q4
$7.47M Buy
559,525
+17,200
+3% +$278K 0.07% 248
2016
Q3
$10.1M Sell
542,325
-17,613
-3% -$310K 0.09% 216
2016
Q2
$6.86M Sell
559,938
-613,371
-52% -$4.62M 0.06% 247
2016
Q1
$7.91M Sell
1,173,309
-128,087
-10% -$819K 0.07% 223
2015
Q4
$12M Sell
1,301,396
-1,353,246
-51% -$12.6M 0.11% 190
2015
Q3
$47.8M Sell
2,654,642
-2,747,831
-51% -$63.1M 0.41% 70
2015
Q2
$161M Sell
5,402,473
-279,083
-5% -$7.01M 0.24% 119
2015
Q1
$125M Buy
5,681,556
+600,752
+12% +$15.2M 0.19% 164
2014
Q4
$139M Buy
5,080,804
+1,966,498
+63% +$47.9M 0.23% 141
2014
Q3
$60.4M Buy
3,114,306
+20,192
+0.7% +$370K 0.1% 266
2014
Q2
$52.7M Buy
3,094,114
+2,222,180
+255% +$30.6M 0.09% 313
2014
Q1
$12.4M Buy
871,934
+33,835
+4% +$457K 0.02% 751
2013
Q4
$9.8M Buy
838,099
+667,180
+390% +$7.65M 0.02% 798
2013
Q3
$2.02M Buy
170,919
+36,950
+28% +$474K ﹤0.01% 1139
2013
Q2
$1.86M Buy
+133,969
New +$1.46M ﹤0.01% 1100

Other funds holding EXAS

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

William Blair & Company sold out of Exact Sciences (EXAS) in Q1 2026, closing a stake of 128,517 shares — an estimated $13.1M sold.

William Blair & Company first reported a position in EXAS in Q2 2013 and held it in 51 quarters. The position peaked at $161M in Q2 2015. 7 funds tracked by Wall St. Rank hold EXAS as of Q1 2026.

  • William Blair & Company reported no remaining Exact Sciences position as of Q1 2026 after selling out during the quarter.
  • William Blair & Company sold 128,517 Exact Sciences shares in Q1 2026, an estimated $13.1M.
  • William Blair & Company first reported a position in Exact Sciences in Q2 2013 and held it in 51 quarters.
  • William Blair & Company's Exact Sciences position peaked at $161M in Q2 2015.
  • 7 funds tracked by Wall St. Rank held Exact Sciences as of Q1 2026.

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