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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
A icon
601
Agilent Technologies
A
$42B
$2.15M 0.01%
17,676
-2
-0% -$257
HBAN icon
602
Huntington Bancshares
HBAN
$36.1B
$2.13M 0.01%
161,361
+18,650
+13% +$249K
COF icon
603
Capital One
COF
$136B
$2.11M 0.01%
22,901
+291
+1% +$31K
CYBR
604
DELISTED
CyberArk
CYBR
$2.11M 0.01%
14,047
+605
+5% +$86.4K
IJK icon
605
iShares S&P Mid-Cap 400 Growth ETF
IJK
$11.2B
$2.1M 0.01%
33,278
+326
+1% +$22.5K
MELI icon
606
Mercado Libre
MELI
$92.7B
$2.09M 0.01%
2,530
-39
-2% -$33.5K
FDN icon
607
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.37B
$2.09M 0.01%
16,533
-11,058
-40% -$1.54M
SMH icon
608
VanEck Semiconductor ETF
SMH
$73.2B
$2.08M 0.01%
22,530
+1,420
+7% +$155K
DBEF icon
609
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.44B
$2.08M 0.01%
62,210
+15,530
+33% +$554K
BWXT icon
610
BWX Technologies
BWXT
$15.3B
$2.08M 0.01%
41,291
+238
+0.6% +$12.8K
TIG
611
DELISTED
Trean Insurance Group, Inc. Common Stock
TIG
$2.07M 0.01%
607,506
-54,631
-8% -$258K
NVO
612
Novo Nordisk
NVO
$201B
$2.05M 0.01%
41,186
+880
+2% +$47.1K
FXH icon
613
First Trust Health Care AlphaDEX Fund
FXH
$1.11B
$2.05M 0.01%
21,099
+43
+0.2% +$4.53K
PWR icon
614
Quanta Services
PWR
$102B
$2.05M 0.01%
16,087
-1,074
-6% -$147K
CARR icon
615
Carrier Global
CARR
$52.2B
$2.03M 0.01%
57,040
+4,269
+8% +$168K
VDE icon
616
Vanguard Energy ETF
VDE
$10.4B
$2.02M 0.01%
19,848
+3,051
+18% +$325K
PDP icon
617
Invesco Dorsey Wright Momentum ETF
PDP
$1.54B
$2.01M 0.01%
29,750
-150
-0.5% -$10.9K
IYW icon
618
iShares US Technology ETF
IYW
$25.7B
$2.01M 0.01%
27,346
+1,018
+4% +$86.3K
RSI icon
619
Rush Street Interactive
RSI
$2.86B
$1.96M 0.01%
532,762
– –
CLBT icon
620
Cellebrite
CLBT
$2.56B
$1.96M 0.01%
499,651
-12,650
-2% -$63.4K
SHY icon
621
iShares 1-3 Year Treasury Bond ETF
SHY
$25.5B
$1.96M 0.01%
24,078
+2,834
+13% +$233K
SCHG icon
622
Schwab US Large-Cap Growth ETF
SCHG
$62.8B
$1.95M 0.01%
139,420
-4,732
-3% -$74.1K
WTW icon
623
Willis Towers Watson
WTW
$31B
$1.95M 0.01%
9,681
-1,153
-11% -$238K
PRO
624
DELISTED
PROS Holdings
PRO
$1.94M 0.01%
78,534
-425
-0.5% -$10.3K
PFF icon
625
iShares Preferred and Income Securities ETF
PFF
$13.3B
$1.93M 0.01%
60,984
-1,895
-3% -$63.5K
23 24
25
26 27

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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.