William Blair & Company
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William Blair & Company’s Nasdaq NDAQ Stock Holding History

William Blair & Company’s Portfolio NDAQ Stock Details NDAQ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$58.8M Sell
745,415
-280,595
-27% -$24.6M 0.15% 134
2026
Q1 		$87.1M Buy
1,026,010
+266,137
+35% +$23.8M 0.25% 93
2025
Q4 		$73.8M Buy
759,873
+143,251
+23% +$12.9M 0.2% 116
2025
Q3 		$54.5M Buy
616,622
+34,524
+6% +$3.2M 0.15% 137
2025
Q2 		$52.1M Buy
582,098
+41,054
+8% +$3.28M 0.14% 137
2025
Q1 		$41M Buy
541,044
+8,463
+2% +$666K 0.12% 157
2024
Q4 		$41.2M Buy
532,581
+255,259
+92% +$19.7M 0.12% 155
2024
Q3 		$20.2M Buy
277,322
+245,500
+771% +$16.8M 0.06% 231
2024
Q2 		$1.92M Buy
31,822
+4,200
+15% +$254K 0.01% 699
2024
Q1 		$1.74M Buy
27,622
+9,894
+56% +$572K 0.01% 709
2023
Q4 		$1.03M Buy
17,728
+1,982
+13% +$104K ﹤0.01% 851
2023
Q3 		$765K Sell
15,746
-3,600
-19% -$182K ﹤0.01% 924
2023
Q2 		$964K Buy
19,346
+236
+1% +$12.8K ﹤0.01% 853
2023
Q1 		$1.04M Sell
19,110
-1,149
-6% -$66.4K ﹤0.01% 821
2022
Q4 		$1.24M Buy
20,259
+3,489
+21% +$217K 0.01% 760
2022
Q3 		$951K Sell
16,770
-48
-0.3% -$2.82K ﹤0.01% 828
2022
Q2 		$855K Sell
16,818
-534
-3% -$28.3K ﹤0.01% 905
2022
Q1 		$1.03M Buy
17,352
+177
+1% +$10.5K ﹤0.01% 915
2021
Q4 		$1.2M Buy
17,175
+1,806
+12% +$123K ﹤0.01% 897
2021
Q3 		$989K Buy
15,369
+567
+4% +$35.7K ﹤0.01% 927
2021
Q2 		$867K Sell
14,802
-342
-2% -$18.8K ﹤0.01% 963
2021
Q1 		$744K Buy
15,144
+408
+3% +$19.4K ﹤0.01% 993
2020
Q4 		$652K Buy
14,736
+1,776
+14% +$75.2K ﹤0.01% 1005
2020
Q3 		$530K Sell
12,960
-933
-7% -$39.8K ﹤0.01% 952
2020
Q2 		$553K Buy
13,893
+735
+6% +$27.4K ﹤0.01% 909
2020
Q1 		$416K Hold
13,158
– – ﹤0.01% 918
2019
Q4 		$470K Buy
13,158
+87
+0.7% +$2.96K ﹤0.01% 1006
2019
Q3 		$433K Hold
13,071
– – ﹤0.01% 993
2019
Q2 		$419K Buy
13,071
+399
+3% +$12.2K ﹤0.01% 1041
2019
Q1 		$380K Buy
12,672
+171
+1% +$4.87K ﹤0.01% 1055
2018
Q4 		$375K Hold
12,501
– – ﹤0.01% 1003
2018
Q3 		$358K Sell
12,501
-1,800
-13% -$55.4K ﹤0.01% 1063
2018
Q2 		$435K Hold
14,301
– – ﹤0.01% 989
2018
Q1 		$411K Buy
14,301
+2,064
+17% +$55.7K ﹤0.01% 984
2017
Q4 		$313K Buy
12,237
+552
+5% +$13.9K ﹤0.01% 1115
2017
Q3 		$302K Buy
11,685
+351
+3% +$8.72K ﹤0.01% 1098
2017
Q2 		$270K Sell
11,334
-432
-4% -$9.93K ﹤0.01% 1236
2017
Q1 		$279K Buy
11,766
+1,110
+10% +$25.8K ﹤0.01% 1104
2016
Q4 		$238K Buy
+10,656
New +$235K ﹤0.01% 1092

Other funds holding NDAQ

IA
Investor AB Stockholm, Sweden $14.4B AUM 4.07% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

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

William Blair & Company reduced its Nasdaq (NDAQ) stake by 27% in Q2 2026, selling an estimated $24.6M and leaving 745,415 shares worth $58.8M. The position accounts for 0.15% of the portfolio, ranked #134.

William Blair & Company first reported a position in NDAQ in Q4 2016 and has held it in 39 quarters since. The position peaked at $87.1M in Q1 2026. 1,082 funds tracked by Wall St. Rank hold NDAQ as of Q2 2026.

  • William Blair & Company held 745,415 shares of Nasdaq worth $58.8M as of Q2 2026.
  • William Blair & Company sold 280,595 Nasdaq shares in Q2 2026, an estimated $24.6M.
  • Nasdaq made up 0.15% of William Blair & Company's portfolio in Q2 2026, its #134 holding.
  • William Blair & Company first reported a position in Nasdaq in Q4 2016 and has held it in 39 quarters since.
  • William Blair & Company's Nasdaq position peaked at $87.1M in Q1 2026.
  • 1,082 funds tracked by Wall St. Rank held Nasdaq as of Q2 2026.

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