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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
+8.77%
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
$12.4B
AUM Growth
+$1.23B
Cap. Flow
+$420M
Cap. Flow %
3.39%
Top 10 Hldgs %
17.91%
Holding
1,607
New
193
Increased
600
Reduced
460
Closed
133

Top Buys

Rank Stock Value
1
WAB icon
Wabtec
WAB
+$31.4M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.5M
3
VIG icon
Vanguard Dividend Appreciation ETF
VIG
+$26M
4
VEEV icon
Veeva Systems
VEEV
+$25M
5
PGR icon
Progressive
PGR
+$20.8M

Top Sells

Rank Stock Value
1
IDXX icon
Idexx Laboratories
IDXX
+$32.3M
2
MJN
Mead Johnson Nutrition Company
MJN
+$27.1M
3
TSCO icon
Tractor Supply
TSCO
+$23M
4
WM icon
Waste Management
WM
+$19.1M
5
TDG icon
TransDigm Group
TDG
+$16.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 16.24%
3 Financials 13.61%
4 Industrials 11.16%
5 Consumer Discretionary 9.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PEG icon
976
Public Service Enterprise Group
PEG
$38.2B
$382K ﹤0.01%
8,360
– –
BUFF
977
DELISTED
Blue Buffalo Pet Products, Inc
BUFF
$381K ﹤0.01%
16,544
-2,956
-15% -$72.6K
TBT icon
978
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$315M
$378K ﹤0.01%
9,756
+16
+0.2% +$639
BBDC icon
979
Barings BDC
BBDC
$881M
$375K ﹤0.01%
19,375
-1,025
-5% -$19.7K
KBH icon
980
KB Home
KBH
$3.45B
$373K ﹤0.01%
18,750
– –
GEN icon
981
Gen Digital
GEN
$16.9B
$372K ﹤0.01%
13,018
+345
+3% +$9.79K
IEX icon
982
IDEX
IEX
$17.2B
$372K ﹤0.01%
3,981
-552
-12% -$50.7K
NEM icon
983
Newmont
NEM
$100B
$371K ﹤0.01%
11,093
-1,010
-8% -$35.3K
CHTR icon
984
Charter Communications
CHTR
$17.2B
$370K ﹤0.01%
1,143
-11
-1% -$3.5K
VCRA
985
DELISTED
VOCERA COMMUNICATIONS, INC.
VCRA
$369K ﹤0.01%
16,035
+125
+0.8% +$2.65K
SPGI icon
986
S&P Global
SPGI
$123B
$368K ﹤0.01%
+2,844
New +$354K
TRGP icon
987
Targa Resources
TRGP
$56.8B
$368K ﹤0.01%
6,522
– –
AGU
988
DELISTED
Agrium
AGU
$368K ﹤0.01%
3,842
-1,584
-29% -$160K
MCY icon
989
Mercury Insurance
MCY
$5.94B
$367K ﹤0.01%
6,265
+2,830
+82% +$169K
AZZ icon
990
AZZ Inc
AZZ
$4.48B
$366K ﹤0.01%
6,235
– –
BMI icon
991
Badger Meter
BMI
$3.97B
$366K ﹤0.01%
9,972
-420
-4% -$15.4K
FSLR icon
992
First Solar
FSLR
$25B
$366K ﹤0.01%
10,135
– –
NOV icon
993
NOV
NOV
$6.94B
$366K ﹤0.01%
9,054
+364
+4% +$14.2K
ACHC icon
994
Acadia Healthcare
ACHC
$2.85B
$365K ﹤0.01%
+8,345
New +$339K
PPLI
995
People Inc
PPLI
$3.13B
$365K ﹤0.01%
27,625
+991
+4% +$12.9K
IJS icon
996
iShares S&P Small-Cap 600 Value ETF
IJS
$8.28B
$365K ﹤0.01%
5,220
+1,176
+29% +$81.9K
ACWX icon
997
iShares MSCI ACWI ex US ETF
ACWX
$11.6B
$363K ﹤0.01%
8,590
– –
CNC icon
998
Centene
CNC
$31.5B
$358K ﹤0.01%
10,088
+300
+3% +$10K
SODA
999
DELISTED
SodaStream International Ltd
SODA
$356K ﹤0.01%
7,300
-185
-2% -$8.4K
WPP icon
1000
WPP
WPP
$4.39B
$355K ﹤0.01%
3,237
-722
-18% -$81.1K
38 39
40
41 42

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William Blair & Company's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair & Company held 1,607 positions worth $12.4B, up 11% from $11.2B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company deployed $420M of net new capital in Q1 2017, opening 193 new positions and adding to 600 existing holdings. Its largest new stake was Park-Ohio Holdings: 200,527 shares worth $8.95M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 18% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Idexx Laboratories, an estimated $32.3M trimmed.

  • William Blair & Company's largest Q1 2017 buy was Park-Ohio Holdings: 200,527 shares worth $8.95M.
  • William Blair & Company added most to Wabtec in Q1 2017, an estimated $31.4M increase.
  • William Blair & Company's biggest Q1 2017 reduction was Idexx Laboratories, cutting an estimated $32.3M.
  • William Blair & Company fully exited Hennessy Capital Acquisition Corp. Unit in Q1 2017, selling an estimated $5.55M.
  • William Blair & Company's ten largest holdings make up 18% of its $12.4B portfolio in Q1 2017.
  • William Blair & Company opened 193 new positions and closed 133 in Q1 2017.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $12.4B.

Based on William Blair & Company's 13F filing for Q1 2017, filed 10 May 2017.