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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
-2.96%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
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
AAPL icon
1
Apple
AAPL
$4.99T
$918M 4.22%
6,642,097
+440
+0% +$69.1K
MSFT icon
2
Microsoft
MSFT
$2.94T
$867M 3.98%
3,722,930
+9,088
+0.2% +$2.4M
AMZN icon
3
Amazon
AMZN
$2.45T
$645M 2.96%
5,708,711
+19,697
+0.3% +$2.49M
DHR icon
4
Danaher
DHR
$141B
$414M 1.9%
1,809,116
+92,777
+5% +$22.7M
V icon
5
Visa
V
$707B
$406M 1.86%
2,283,981
-10,939
-0.5% -$2.23M
IDXX icon
6
Idexx Laboratories
IDXX
$44.9B
$399M 1.83%
1,224,868
-5,819
-0.5% -$2.14M
GOOG icon
7
Alphabet (Google) Class C
GOOG
$4.07T
$396M 1.82%
4,114,427
-6,653
-0.2% -$743K
DXCM icon
8
DexCom
DXCM
$29.3B
$372M 1.71%
4,621,748
+119,780
+3% +$10.1M
MA icon
9
Mastercard
MA
$501B
$345M 1.59%
1,214,442
+6,084
+0.5% +$2.02M
ZTS icon
10
Zoetis
ZTS
$33B
$340M 1.56%
2,294,873
+6,332
+0.3% +$1.06M
VEEV icon
11
Veeva Systems
VEEV
$33.8B
$256M 1.18%
1,552,295
-10,733
-0.7% -$2.14M
SPY icon
12
State Street SPDR S&P 500 ETF Trust
SPY
$777B
$255M 1.17%
713,970
+46,770
+7% +$18.6M
GOOGL icon
13
Alphabet (Google) Class A
GOOGL
$4.09T
$247M 1.13%
2,580,073
+29,213
+1% +$3.24M
CSGP icon
14
CoStar Group
CSGP
$12B
$241M 1.1%
3,453,693
+244,909
+8% +$17M
WDAY icon
15
Workday
WDAY
$41B
$226M 1.04%
1,481,760
+42,899
+3% +$6.71M
COST icon
16
Costco
COST
$431B
$222M 1.02%
470,821
+12,091
+3% +$6.29M
SBUX icon
17
Starbucks
SBUX
$118B
$218M 1%
2,583,226
+77,559
+3% +$6.59M
AON icon
18
Aon
AON
$80.1B
$204M 0.94%
762,559
+7,127
+0.9% +$2.01M
JPM icon
19
JPMorgan Chase
JPM
$931B
$200M 0.92%
1,911,712
+82,801
+5% +$9.5M
FISV
20
Fiserv Inc
FISV
$29.6B
$190M 0.87%
2,033,666
+43,405
+2% +$4.42M
HD icon
21
Home Depot
HD
$339B
$186M 0.86%
674,658
+3,958
+0.6% +$1.17M
UNH icon
22
UnitedHealth
UNH
$387B
$182M 0.83%
359,837
+2,285
+0.6% +$1.2M
ABT icon
23
Abbott
ABT
$191B
$180M 0.83%
1,865,300
+24,534
+1% +$2.61M
WSO icon
24
Watsco Inc
WSO
$12.9B
$180M 0.83%
699,131
+115,614
+20% +$31.3M
INTU icon
25
Intuit
INTU
$90.3B
$176M 0.81%
455,598
-8,008
-2% -$3.46M
1
2 3 4 5

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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.