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
PRS
PWMAG
IA
HNB
BC
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.