William Blair & Company
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William Blair & Company’s Factset FDS Stock Holding History

William Blair & Company’s Portfolio FDS Stock Details FDS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$383K Sell
1,766
-1,444
-45% -$337K ﹤0.01% 1241
2025
Q4 		$931K Buy
3,210
+1,086
+51% +$305K ﹤0.01% 962
2025
Q3 		$609K Sell
2,124
-191
-8% -$73K ﹤0.01% 1055
2025
Q2 		$1.04M Buy
2,315
+20
+0.9% +$8.76K ﹤0.01% 896
2025
Q1 		$1.04M Sell
2,295
-63
-3% -$28.7K ﹤0.01% 870
2024
Q4 		$1.13M Buy
2,358
+46
+2% +$21.9K ﹤0.01% 864
2024
Q3 		$1.06M Buy
2,312
+122
+6% +$51.8K ﹤0.01% 888
2024
Q2 		$894K Sell
2,190
-56
-2% -$23.8K ﹤0.01% 917
2024
Q1 		$1.02M Sell
2,246
-659
-23% -$307K ﹤0.01% 857
2023
Q4 		$1.39M Sell
2,905
-2,592
-47% -$1.17M ﹤0.01% 763
2023
Q3 		$2.4M Sell
5,497
-285
-5% -$121K 0.01% 608
2023
Q2 		$2.32M Buy
5,782
+1,065
+23% +$430K 0.01% 633
2023
Q1 		$1.96M Buy
4,717
+2,015
+75% +$839K 0.01% 661
2022
Q4 		$1.08M Sell
2,702
-125
-4% -$53.2K ﹤0.01% 799
2022
Q3 		$1.13M Buy
2,827
+146
+5% +$61.8K 0.01% 777
2022
Q2 		$1.03M Sell
2,681
-183
-6% -$71.6K ﹤0.01% 840
2022
Q1 		$1.24M Sell
2,864
-294
-9% -$124K ﹤0.01% 842
2021
Q4 		$1.53M Buy
3,158
+149
+5% +$66.8K ﹤0.01% 806
2021
Q3 		$1.19M Hold
3,009
– – ﹤0.01% 871
2021
Q2 		$1.01M Buy
3,009
+7
+0.2% +$2.29K ﹤0.01% 914
2021
Q1 		$926K Buy
3,002
+360
+14% +$114K ﹤0.01% 922
2020
Q4 		$878K Buy
2,642
+147
+6% +$48.6K ﹤0.01% 898
2020
Q3 		$835K Sell
2,495
-101
-4% -$34.9K ﹤0.01% 809
2020
Q2 		$853K Sell
2,596
-339
-12% -$98K ﹤0.01% 763
2020
Q1 		$765K Buy
2,935
+39
+1% +$10.6K ﹤0.01% 739
2019
Q4 		$777K Sell
2,896
-232
-7% -$59.6K ﹤0.01% 850
2019
Q3 		$760K Sell
3,128
-75
-2% -$20.8K ﹤0.01% 823
2019
Q2 		$918K Buy
3,203
+7
+0.2% +$1.94K 0.01% 781
2019
Q1 		$793K Buy
3,196
+194
+6% +$43.4K ﹤0.01% 807
2018
Q4 		$601K Buy
3,002
+22
+0.7% +$4.84K ﹤0.01% 848
2018
Q3 		$667K Buy
2,980
+264
+10% +$57.3K ﹤0.01% 865
2018
Q2 		$538K Hold
2,716
– – ﹤0.01% 923
2018
Q1 		$542K Sell
2,716
-1,032
-28% -$208K ﹤0.01% 894
2017
Q4 		$722K Sell
3,748
-291
-7% -$55.8K ﹤0.01% 844
2017
Q3 		$727K Buy
4,039
+523
+15% +$85.4K 0.01% 809
2017
Q2 		$584K Sell
3,516
-3,035
-46% -$496K ﹤0.01% 924
2017
Q1 		$1.09M Sell
6,551
-312
-5% -$54.6K 0.01% 681
2016
Q4 		$1.12M Sell
6,863
-72
-1% -$11.5K 0.01% 626
2016
Q3 		$1.12M Sell
6,935
-389
-5% -$67K 0.01% 623
2016
Q2 		$1.18M Sell
7,324
-257
-3% -$39.7K 0.01% 592
2016
Q1 		$1.15M Sell
7,581
-5,523
-42% -$824K 0.01% 587
2015
Q4 		$2.13M Sell
13,104
-25,150
-66% -$4.22M 0.02% 453
2015
Q3 		$6.11M Sell
38,254
-322,922
-89% -$52.8M 0.05% 286
2015
Q2 		$58.7M Buy
361,176
+4,815
+1% +$782K 0.09% 308
2015
Q1 		$56.7M Sell
356,361
-73,493
-17% -$11M 0.09% 296
2014
Q4 		$60.5M Sell
429,854
-741,507
-63% -$98.5M 0.1% 282
2014
Q3 		$142M Sell
1,171,361
-365,301
-24% -$45.1M 0.24% 121
2014
Q2 		$185M Sell
1,536,662
-67,100
-4% -$7.28M 0.3% 84
2014
Q1 		$173M Buy
1,603,762
+351,422
+28% +$37.2M 0.29% 93
2013
Q4 		$136M Sell
1,252,340
-34,940
-3% -$3.88M 0.22% 130
2013
Q3 		$140M Buy
1,287,280
+182,183
+16% +$19.7M 0.25% 116
2013
Q2 		$113M Buy
+1,105,097
New +$106M 0.22% 123

Other funds holding FDS

BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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

William Blair & Company reduced its Factset (FDS) stake by 45% in Q1 2026, selling an estimated $337K and leaving 1,766 shares worth $383K. The position accounts for ﹤0.01% of the portfolio, ranked #1241.

William Blair & Company first reported a position in FDS in Q2 2013 and has held it in 52 quarters since. The position peaked at $185M in Q2 2014. 718 funds tracked by Wall St. Rank hold FDS as of Q1 2026.

  • William Blair & Company held 1,766 shares of Factset worth $383K as of Q1 2026.
  • William Blair & Company sold 1,444 Factset shares in Q1 2026, an estimated $337K.
  • Factset made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1241 holding.
  • William Blair & Company first reported a position in Factset in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Factset position peaked at $185M in Q2 2014.
  • 718 funds tracked by Wall St. Rank held Factset as of Q1 2026.

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