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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
+31.62%
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
$21B
AUM Growth
+$4.97B
Cap. Flow
+$438M
Cap. Flow %
2.09%
Top 10 Hldgs %
26.83%
Holding
1,788
New
129
Increased
575
Reduced
731
Closed
107

Top Buys

Rank Stock Value
1
COUP
Coupa Software Incorporated
COUP
+$55.8M
2
DOCU
DocuSign
DOCU
+$52.4M
3
AON icon
Aon
AON
+$47.5M
4
SBUX icon
Starbucks
SBUX
+$44.7M
5
ABMD
Abiomed Inc
ABMD
+$39.1M

Top Sells

Rank Stock Value
1
DIS icon
Walt Disney
DIS
+$56.6M
2
PCTY icon
Paylocity
PCTY
+$45.8M
3
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$36.9M
4
DLB icon
Dolby
DLB
+$28.4M
5
AXP icon
American Express
AXP
+$22.2M

Sector Composition

Rank Sector Weight
1 Technology 27.38%
2 Healthcare 19.32%
3 Financials 11.61%
4 Consumer Discretionary 10.23%
5 Industrials 8.05%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AAPL icon
1
Apple
AAPL
$5T
$929M 4.43%
10,186,740
+252,968
+3% +$19.6M
AMZN icon
2
Amazon
AMZN
$2.46T
$848M 4.04%
6,146,300
+244,780
+4% +$29.6M
MSFT icon
3
Microsoft
MSFT
$2.94T
$809M 3.86%
3,975,619
+96,872
+2% +$17.6M
V icon
4
Visa
V
$703B
$522M 2.49%
2,702,417
+54,767
+2% +$10M
IDXX icon
5
Idexx Laboratories
IDXX
$44.8B
$512M 2.44%
1,551,674
-11,580
-0.7% -$3.35M
VEEV icon
6
Veeva Systems
VEEV
$33.7B
$463M 2.21%
1,976,198
-11,688
-0.6% -$2.32M
DXCM icon
7
DexCom
DXCM
$28.9B
$435M 2.08%
4,294,056
-247,304
-5% -$22.1M
PYPL icon
8
PayPal
PYPL
$50.9B
$413M 1.97%
2,370,965
+31,667
+1% +$4.38M
MA icon
9
Mastercard
MA
$498B
$353M 1.68%
1,194,926
+52,307
+5% +$14.7M
ADBE icon
10
Adobe
ADBE
$105B
$341M 1.63%
783,314
+20,403
+3% +$7.56M
ZTS icon
11
Zoetis
ZTS
$32.4B
$337M 1.61%
2,458,228
+245,047
+11% +$32M
GOOG icon
12
Alphabet (Google) Class C
GOOG
$4.11T
$335M 1.6%
4,745,460
+108,600
+2% +$7.33M
DOCU
13
DocuSign
DOCU
$11.2B
$318M 1.52%
1,846,742
+415,974
+29% +$52.4M
DHR icon
14
Danaher
DHR
$138B
$293M 1.4%
1,869,301
+3,443
+0.2% +$494K
VUG icon
15
Vanguard Growth ETF
VUG
$214B
$262M 1.25%
7,782,714
+646,536
+9% +$19.9M
SBUX icon
16
Starbucks
SBUX
$118B
$262M 1.25%
3,558,688
+595,447
+20% +$44.7M
FISV
17
Fiserv Inc
FISV
$29.8B
$241M 1.15%
2,473,485
+52,024
+2% +$5.24M
WDAY icon
18
Workday
WDAY
$41.8B
$231M 1.1%
1,234,017
+121,558
+11% +$19.7M
ECL icon
19
Ecolab
ECL
$79.3B
$213M 1.01%
1,069,761
+67,512
+7% +$13.1M
CRM icon
20
Salesforce
CRM
$155B
$195M 0.93%
1,041,130
+17,703
+2% +$2.98M
CSGP icon
21
CoStar Group
CSGP
$12.1B
$182M 0.87%
2,555,290
+45,720
+2% +$2.96M
GWRE icon
22
Guidewire Software
GWRE
$14.1B
$174M 0.83%
1,573,223
-41,780
-3% -$4.01M
GOOGL icon
23
Alphabet (Google) Class A
GOOGL
$4.11T
$172M 0.82%
2,422,280
+14,440
+0.6% +$974K
SPY icon
24
State Street SPDR S&P 500 ETF Trust
SPY
$776B
$171M 0.82%
555,846
-15,689
-3% -$4.59M
AMT icon
25
American Tower
AMT
$83B
$167M 0.79%
644,210
+17,541
+3% +$4.34M
1
2 3 4 5

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William Blair & Company's Q2 2020 Portfolio in Review

As of Q2 2020, William Blair & Company held 1,788 positions worth $21B, up 31% from $16B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair & Company's Q2 2020 filing shows 129 new, 575 increased, 731 reduced and 107 closed positions. Its largest new stake was Aon: 255,110 shares worth $49.1M. The largest sale was Walt Disney, an estimated $56.6M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2020 buy was Aon: 255,110 shares worth $49.1M.
  • William Blair & Company added most to Coupa Software Incorporated in Q2 2020, an estimated $55.8M increase.
  • William Blair & Company's biggest Q2 2020 reduction was Walt Disney, cutting an estimated $56.6M.
  • William Blair & Company fully exited Prudential in Q2 2020, selling an estimated $2.8M.
  • William Blair & Company's ten largest holdings make up 27% of its $21B portfolio in Q2 2020.
  • William Blair & Company opened 129 new positions and closed 107 in Q2 2020.
  • William Blair & Company's portfolio value rose 31% quarter-over-quarter to $21B.

Based on William Blair & Company's 13F filing for Q2 2020, filed 12 Aug 2020.