William Blair & Company’s ARK Innovation ETF ARKK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.22M Sell
15,060
-1,383
-8% -$106K ﹤0.01% 911
2026
Q1
$1.11M Sell
16,443
-2,171
-12% -$161K ﹤0.01% 911
2025
Q4
$1.43M Buy
18,614
+1,897
+11% +$157K ﹤0.01% 837
2025
Q3
$1.44M Sell
16,717
-9,704
-37% -$742K ﹤0.01% 826
2025
Q2
$1.86M Sell
26,421
-19,101
-42% -$1.05M 0.01% 733
2025
Q1
$2.17M Sell
45,522
-50,386
-53% -$2.89M 0.01% 693
2024
Q4
$5.44M Buy
95,908
+50,639
+112% +$2.71M 0.02% 474
2024
Q3
$2.15M Sell
45,269
-1,504
-3% -$67.6K 0.01% 690
2024
Q2
$2.06M Sell
46,773
-1,609
-3% -$71.9K 0.01% 677
2024
Q1
$2.42M Sell
48,382
-9,993
-17% -$487K 0.01% 628
2023
Q4
$3.06M Buy
58,375
+26,397
+83% +$1.14M 0.01% 570
2023
Q3
$1.27M Buy
31,978
+12,592
+65% +$555K ﹤0.01% 768
2023
Q2
$856K Sell
19,386
-5,579
-22% -$222K ﹤0.01% 893
2023
Q1
$1.01M Sell
24,965
-2,282
-8% -$87.4K ﹤0.01% 833
2022
Q4
$851K Buy
27,247
+721
+3% +$25.8K ﹤0.01% 880
2022
Q3
$1M Buy
26,526
+230
+0.9% +$10.2K ﹤0.01% 813
2022
Q2
$1.05M Buy
26,296
+2,957
+13% +$141K ﹤0.01% 831
2022
Q1
$1.55M Sell
23,339
-166
-0.7% -$11.7K 0.01% 766
2021
Q4
$2.22M Buy
23,505
+2,112
+10% +$231K 0.01% 703
2021
Q3
$2.37M Buy
21,393
+6,224
+41% +$749K 0.01% 664
2021
Q2
$1.98M Buy
15,169
+3,068
+25% +$358K 0.01% 710
2021
Q1
$1.45M Sell
12,101
-214
-2% -$29K 0.01% 780
2020
Q4
$1.53M Buy
12,315
+1,234
+11% +$134K 0.01% 722
2020
Q3
$1.02M Buy
11,081
+1,196
+12% +$102K ﹤0.01% 750
2020
Q2
$705K Sell
9,885
-2,205
-18% -$129K ﹤0.01% 830
2020
Q1
$532K Buy
12,090
+1,795
+17% +$91.5K ﹤0.01% 848
2019
Q4
$515K Buy
10,295
+10,010
+3,512% +$465K ﹤0.01% 981
2019
Q3
$12K Sell
285
-105
-27% -$4.82K ﹤0.01% 1584
2019
Q2
$19K Buy
390
+100
+34% +$4.55K ﹤0.01% 1589
2019
Q1
$14K Sell
290
-1
-0.3% -$44 ﹤0.01% 1600
2018
Q4
$11K Buy
291
+9
+3% +$380 ﹤0.01% 1554
2018
Q3
$13K Buy
+282
New +$13.3K ﹤0.01% 1554

Other funds holding ARKK

William Blair & Company's ARKK Position: Q2 2026 in Review

William Blair & Company reduced its ARK Innovation ETF (ARKK) stake by 8.4% in Q2 2026, selling an estimated $106K and leaving 15,060 shares worth $1.22M. The position accounts for ﹤0.01% of the portfolio, ranked #911.

William Blair & Company first reported a position in ARKK in Q3 2018 and has held it in 32 quarters since. The position peaked at $5.44M in Q4 2024. 633 funds tracked by Wall St. Rank hold ARKK as of Q2 2026.

  • William Blair & Company held 15,060 shares of ARK Innovation ETF worth $1.22M as of Q2 2026.
  • William Blair & Company sold 1,383 ARK Innovation ETF shares in Q2 2026, an estimated $106K.
  • ARK Innovation ETF made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #911 holding.
  • William Blair & Company first reported a position in ARK Innovation ETF in Q3 2018 and has held it in 32 quarters since.
  • William Blair & Company's ARK Innovation ETF position peaked at $5.44M in Q4 2024.
  • 633 funds tracked by Wall St. Rank held ARK Innovation ETF as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.