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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
+6.81%
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
$17.5B
AUM Growth
+$1.09B
Cap. Flow
+$196M
Cap. Flow %
1.12%
Top 10 Hldgs %
22.04%
Holding
1,814
New
115
Increased
670
Reduced
633
Closed
80

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$41.9M
2
DLB icon
Dolby
DLB
+$23M
3
TDOC icon
Teladoc Health
TDOC
+$20.9M
4
CPRT icon
Copart
CPRT
+$20.8M
5
DXCM icon
DexCom
DXCM
+$16M

Top Sells

Rank Stock Value
1
RHT
Red Hat Inc
RHT
+$144M
2
ULTI
Ultimate Software Group Inc
ULTI
+$103M
3
GILD icon
Gilead Sciences
GILD
+$16.4M
4
BX icon
Blackstone
BX
+$12.4M
5
VEEV icon
Veeva Systems
VEEV
+$10.5M

Sector Composition

Rank Sector Weight
1 Technology 22.57%
2 Healthcare 17.89%
3 Financials 12.54%
4 Consumer Discretionary 10.12%
5 Industrials 9.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MSFT icon
1
Microsoft
MSFT
$2.94T
$547M 3.13%
4,085,036
+82,250
+2% +$10.4M
AMZN icon
2
Amazon
AMZN
$2.47T
$506M 2.89%
5,339,840
+72,040
+1% +$6.71M
AAPL icon
3
Apple
AAPL
$5.03T
$500M 2.86%
10,100,180
+11,348
+0.1% +$553K
V icon
4
Visa
V
$703B
$462M 2.64%
2,661,715
+34,961
+1% +$5.72M
IDXX icon
5
Idexx Laboratories
IDXX
$45B
$433M 2.48%
1,573,648
-8,574
-0.5% -$2.11M
VEEV icon
6
Veeva Systems
VEEV
$33.7B
$332M 1.9%
2,048,606
-72,331
-3% -$10.5M
MA icon
7
Mastercard
MA
$500B
$311M 1.78%
1,174,938
+35,478
+3% +$8.88M
ZTS icon
8
Zoetis
ZTS
$32.8B
$270M 1.55%
2,383,238
-3,045
-0.1% -$319K
DHR icon
9
Danaher
DHR
$140B
$259M 1.48%
2,041,037
+69,349
+4% +$8.21M
PYPL icon
10
PayPal
PYPL
$50.6B
$236M 1.35%
2,057,818
+87,413
+4% +$9.69M
GOOG icon
11
Alphabet (Google) Class C
GOOG
$4.11T
$235M 1.34%
4,346,620
+56,360
+1% +$3.25M
ADBE icon
12
Adobe
ADBE
$105B
$231M 1.32%
784,390
-805
-0.1% -$224K
WDAY icon
13
Workday
WDAY
$41.6B
$224M 1.28%
1,087,949
+10,606
+1% +$2.14M
SBUX icon
14
Starbucks
SBUX
$118B
$223M 1.28%
2,664,808
+10,552
+0.4% +$827K
FISV
15
Fiserv Inc
FISV
$29.7B
$192M 1.1%
2,110,354
+477,806
+29% +$41.9M
ECL icon
16
Ecolab
ECL
$78.9B
$187M 1.07%
949,280
+12,351
+1% +$2.3M
JPM icon
17
JPMorgan Chase
JPM
$930B
$187M 1.07%
1,670,617
+85,945
+5% +$9.48M
VUG icon
18
Vanguard Growth ETF
VUG
$214B
$183M 1.04%
6,703,968
+178,452
+3% +$4.77M
DXCM icon
19
DexCom
DXCM
$29.2B
$171M 0.97%
4,551,664
+510,244
+13% +$16M
SPY icon
20
State Street SPDR S&P 500 ETF Trust
SPY
$778B
$156M 0.89%
530,716
-6,733
-1% -$1.94M
GWRE icon
21
Guidewire Software
GWRE
$13.8B
$154M 0.88%
1,522,647
+67,425
+5% +$6.87M
CRM icon
22
Salesforce
CRM
$154B
$147M 0.84%
971,043
+15,747
+2% +$2.47M
GOOGL icon
23
Alphabet (Google) Class A
GOOGL
$4.12T
$147M 0.84%
2,720,560
+120,900
+5% +$7M
CSGP icon
24
CoStar Group
CSGP
$12.2B
$142M 0.81%
2,571,210
-19,320
-0.7% -$987K
VRSK icon
25
Verisk Analytics
VRSK
$28.2B
$140M 0.8%
952,854
-31,289
-3% -$4.41M
1
2 3 4 5

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William Blair & Company's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair & Company held 1,814 positions worth $17.5B, up 6.6% from $16.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q2 2019 filing shows 115 new, 670 increased, 633 reduced and 80 closed positions. Its largest new stake was Q2 Holdings: 213,468 shares worth $16.3M. The largest sale was Red Hat Inc, an estimated $144M.

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

  • William Blair & Company's largest Q2 2019 buy was Q2 Holdings: 213,468 shares worth $16.3M.
  • William Blair & Company added most to Fiserv Inc in Q2 2019, an estimated $41.9M increase.
  • William Blair & Company's biggest Q2 2019 reduction was Gilead Sciences, cutting an estimated $16.4M.
  • William Blair & Company fully exited Red Hat Inc in Q2 2019, selling an estimated $144M.
  • William Blair & Company's ten largest holdings make up 22% of its $17.5B portfolio in Q2 2019.
  • William Blair & Company opened 115 new positions and closed 80 in Q2 2019.
  • William Blair & Company's portfolio value rose 6.6% quarter-over-quarter to $17.5B.

Based on William Blair & Company's 13F filing for Q2 2019, filed 13 Aug 2019.