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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
-2.96%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$21.8B
AUM Growth
-$767M
Cap. Flow
+$148M
Cap. Flow %
0.68%
Top 10 Hldgs %
23.44%
Holding
1,924
New
62
Increased
766
Reduced
660
Closed
101

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$31.3M
2
TYL icon
Tyler Technologies
TYL
+$24.6M
3
DHR icon
Danaher
DHR
+$22.7M
4
IRTC icon
iRhythm Holdings
IRTC
+$20.9M
5
USFR icon
WisdomTree Floating Rate Treasury Fund
USFR
+$20.8M

Top Sells

Rank Stock Value
1
TEAM icon
Atlassian
TEAM
+$77.8M
2
TREX icon
Trex
TREX
+$39.7M
3
DOCU
DocuSign
DOCU
+$17.2M
4
AKAM icon
Akamai
AKAM
+$16.6M
5
GLD icon
SPDR Gold Trust
GLD
+$13.1M

Sector Composition

Rank Sector Weight
1 Technology 23.15%
2 Healthcare 19.33%
3 Financials 11.9%
4 Industrials 11.25%
5 Consumer Discretionary 9.33%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LNC icon
976
Lincoln National
LNC
$8.67B
$593K ﹤0.01%
13,500
+363
+3% +$17.5K
JCI icon
977
Johnson Controls International
JCI
$91.7B
$590K ﹤0.01%
11,989
+1,475
+14% +$78.2K
NTLA icon
978
Intellia Therapeutics
NTLA
$1.66B
$590K ﹤0.01%
10,538
+178
+2% +$11K
CPAY icon
979
Corpay
CPAY
$27.9B
$589K ﹤0.01%
3,344
-919
-22% -$197K
VIRT icon
980
Virtu Financial
VIRT
$5.05B
$588K ﹤0.01%
28,302
+5,444
+24% +$125K
VV icon
981
Vanguard Morningstar Large-Cap ETF
VV
$54.9B
$588K ﹤0.01%
3,597
-1,372
-28% -$249K
VXUS icon
982
Vanguard Total International Stock ETF
VXUS
$164B
$588K ﹤0.01%
12,845
-787
-6% -$40.3K
ANSS
983
DELISTED
Ansys
ANSS
$581K ﹤0.01%
2,620
+70
+3% +$17.9K
GWX icon
984
State Street SPDR S&P International Small Cap ETF
GWX
$928M
$576K ﹤0.01%
22,112
+760
+4% +$22.3K
FLG
985
Flagstar Bank National Association
FLG
$5.92B
$575K ﹤0.01%
22,468
– –
DCI icon
986
Donaldson
DCI
$11.1B
$572K ﹤0.01%
11,664
-113
-1% -$5.9K
GMED icon
987
Globus Medical
GMED
$11.5B
$572K ﹤0.01%
9,594
+42
+0.4% +$2.53K
TTD icon
988
Trade Desk
TTD
$6.84B
$572K ﹤0.01%
9,569
-1,389
-13% -$79K
MIDD icon
989
Middleby
MIDD
$5.29B
$571K ﹤0.01%
4,458
+18
+0.4% +$2.53K
CABO icon
990
Cable One
CABO
$206M
$562K ﹤0.01%
659
-4
-0.6% -$4.94K
UEC icon
991
Uranium Energy
UEC
$5.54B
$562K ﹤0.01%
160,500
– –
ZION icon
992
Zions Bancorporation
ZION
$10.5B
$562K ﹤0.01%
11,046
-9
-0.1% -$492
NSSC icon
993
Napco Security Technologies
NSSC
$1.37B
$561K ﹤0.01%
19,290
-105,548
-85% -$2.82M
ARWR icon
994
Arrowhead Research
ARWR
$12.1B
$560K ﹤0.01%
16,929
-3,005
-15% -$121K
EWU icon
995
iShares MSCI United Kingdom ETF
EWU
$4.13B
$558K ﹤0.01%
21,280
-108,804
-84% -$3.2M
ARGX icon
996
argenx
ARGX
$53.6B
$557K ﹤0.01%
1,578
+3
+0.2% +$1.11K
STIM icon
997
Neuronetics
STIM
$211M
$553K ﹤0.01%
174,047
+7,407
+4% +$26.9K
ICF icon
998
iShares Select U.S. REIT ETF
ICF
$2.11B
$552K ﹤0.01%
10,279
– –
FRPT icon
999
Freshpet
FRPT
$3.5B
$550K ﹤0.01%
+10,974
New +$518K
GIL icon
1000
Gildan
GIL
$10.6B
$548K ﹤0.01%
19,376
-901
-4% -$26.9K
38 39
40
41 42

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William Blair & Company's Q3 2022 Portfolio in Review

As of Q3 2022, William Blair & Company held 1,924 positions worth $21.8B, down 3.4% from $22.5B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q3 2022 filing shows 62 new, 766 increased, 660 reduced and 101 closed positions. Its largest new stake was GSK: 37,792 shares worth $1.11M. The largest sale was Atlassian, an estimated $77.8M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 24% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2022 buy was GSK: 37,792 shares worth $1.11M.
  • William Blair & Company added most to Watsco Inc in Q3 2022, an estimated $31.3M increase.
  • William Blair & Company's biggest Q3 2022 reduction was Trex, cutting an estimated $39.7M.
  • William Blair & Company fully exited Atlassian in Q3 2022, selling an estimated $77.8M.
  • William Blair & Company's ten largest holdings make up 23% of its $21.8B portfolio in Q3 2022.
  • William Blair & Company opened 62 new positions and closed 101 in Q3 2022.
  • William Blair & Company's portfolio value fell 3.4% quarter-over-quarter to $21.8B.

Based on William Blair & Company's 13F filing for Q3 2022, filed 9 Nov 2022.