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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
PLAY icon
101
Dave & Buster's
PLAY
$377M
$32.7M 0.26%
570,915
+28,728
+5% +$1.64M
LULU icon
102
lululemon athletica
LULU
$13.6B
$32.3M 0.26%
502,721
+48,840
+11% +$3.22M
PRAA icon
103
PRA Group
PRAA
$662M
$32.2M 0.26%
794,329
+21,712
+3% +$815K
ALGN icon
104
Align Technology
ALGN
$12.4B
$32M 0.26%
290,818
-11,878
-4% -$1.2M
WAB icon
105
Wabtec
WAB
$49.4B
$31.1M 0.25%
398,551
+380,094
+2,059% +$31.4M
MMM icon
106
3M
MMM
$90.8B
$31.1M 0.25%
195,687
+14,815
+8% +$2.27M
EXEL icon
107
Exelixis
EXEL
$14.1B
$30.8M 0.25%
1,430,394
-139,980
-9% -$2.85M
INTU icon
108
Intuit
INTU
$86.3B
$30.6M 0.25%
261,628
-2,170
-0.8% -$260K
KMI icon
109
Kinder Morgan
KMI
$70.5B
$30.4M 0.25%
1,420,885
+242,740
+21% +$5.3M
PFE icon
110
Pfizer
PFE
$142B
$29.8M 0.24%
919,912
+147,825
+19% +$4.66M
MCD icon
111
McDonald's
MCD
$191B
$29.5M 0.24%
229,376
+1,328
+0.6% +$167K
SMG icon
112
ScottsMiracle-Gro
SMG
$3.97B
$29.3M 0.24%
320,972
+5,924
+2% +$549K
SRCL
113
DELISTED
Stericycle Inc
SRCL
$29M 0.23%
350,394
-123,437
-26% -$9.92M
CERN
114
DELISTED
Cerner Corp
CERN
$28.8M 0.23%
515,105
-109,286
-18% -$5.91M
JBHT icon
115
JB Hunt Transport Services
JBHT
$25.3B
$28.3M 0.23%
308,848
-3,536
-1% -$343K
ZD icon
116
Ziff Davis
ZD
$1.94B
$28M 0.23%
388,603
-6,790
-2% -$497K
PGR icon
117
Progressive
PGR
$124B
$27.8M 0.22%
709,836
+543,916
+328% +$20.8M
MDT icon
118
Medtronic
MDT
$110B
$27.1M 0.22%
336,022
-31,190
-8% -$2.44M
VEA icon
119
Vanguard FTSE Developed Markets ETF
VEA
$230B
$27.1M 0.22%
702,823
+115,808
+20% +$4.44M
BA icon
120
Boeing
BA
$175B
$27M 0.22%
151,482
+6,704
+5% +$1.14M
EFX icon
121
Equifax
EFX
$20.7B
$26.8M 0.22%
196,346
-12,454
-6% -$1.58M
IRM icon
122
Iron Mountain
IRM
$37.1B
$26.6M 0.21%
734,092
-10,545
-1% -$373K
MMP
123
DELISTED
Magellan Midstream Partners, L.P.
MMP
$26.3M 0.21%
339,948
+11,134
+3% +$864K
BLK icon
124
Blackrock
BLK
$170B
$26.2M 0.21%
67,614
-1,114
-2% -$426K
CMCSA icon
125
Comcast
CMCSA
$84B
$25.3M 0.2%
676,044
+88,588
+15% +$3.29M
3 4
5
6 7

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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.