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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
VIG icon
51
Vanguard Dividend Appreciation ETF
VIG
$112B
$64.5M 0.52%
713,533
+293,079
+70% +$26M
BKNG icon
52
Booking.com
BKNG
$150B
$64.1M 0.52%
901,250
-21,350
-2% -$1.41M
INGN icon
53
Inogen
INGN
$174M
$63.5M 0.51%
921,693
+17,377
+2% +$1.2M
PG icon
54
Procter & Gamble
PG
$335B
$63.2M 0.51%
699,323
+38,321
+6% +$3.4M
GWRE icon
55
Guidewire Software
GWRE
$12.8B
$61.8M 0.5%
1,104,907
-91,867
-8% -$5.02M
PX
56
DELISTED
Praxair Inc
PX
$61.2M 0.49%
515,837
-38,934
-7% -$4.58M
BRK.B icon
57
Berkshire Hathaway Class B
BRK.B
$1.1T
$60M 0.48%
352,189
+25,600
+8% +$4.28M
ACN icon
58
Accenture
ACN
$99.9B
$58.4M 0.47%
486,206
-12,282
-2% -$1.47M
MBLY
59
DELISTED
Mobileye N.V.
MBLY
$54.4M 0.44%
1,089,335
+69,685
+7% +$3.35M
LOW icon
60
Lowe's Companies
LOW
$118B
$53.9M 0.43%
692,134
-8,071
-1% -$618K
DIS icon
61
Walt Disney
DIS
$167B
$53.5M 0.43%
483,240
-92,169
-16% -$10.1M
ESRX
62
DELISTED
Express Scripts Holding Company
ESRX
$53.5M 0.43%
805,541
-62,899
-7% -$4.33M
FISV
63
Fiserv Inc
FISV
$28.8B
$53.5M 0.43%
927,134
+42,404
+5% +$2.38M
AMT icon
64
American Tower
AMT
$81.3B
$50.7M 0.41%
423,833
+10,796
+3% +$1.19M
ABMD
65
DELISTED
Abiomed Inc
ABMD
$50M 0.4%
413,010
+18,977
+5% +$2.2M
VTV icon
66
Vanguard Morningstar Value ETF
VTV
$188B
$49.7M 0.4%
514,112
+211,884
+70% +$20.2M
XRAY icon
67
Dentsply Sirona
XRAY
$2.75B
$49.4M 0.4%
787,284
-42,582
-5% -$2.56M
TSCO icon
68
Tractor Supply
TSCO
$15.8B
$49.3M 0.4%
3,556,880
-1,583,145
-31% -$23M
XOM icon
69
ExxonMobil
XOM
$651B
$47.9M 0.39%
586,916
+16,739
+3% +$1.4M
ABBV icon
70
AbbVie
ABBV
$455B
$47.9M 0.39%
757,718
+26,381
+4% +$1.66M
SCHW
71
Charles Schwab
SCHW
$181B
$47.7M 0.38%
1,179,068
-167,455
-12% -$6.91M
UPS icon
72
United Parcel Service
UPS
$89.5B
$47.2M 0.38%
441,134
-109,949
-20% -$12M
ADP icon
73
Automatic Data Processing
ADP
$105B
$45.8M 0.37%
447,193
-5,799
-1% -$591K
AME icon
74
Ametek
AME
$55B
$44.9M 0.36%
830,681
-3,468
-0.4% -$183K
VYM icon
75
Vanguard High Dividend Yield ETF
VYM
$80.9B
$44.5M 0.36%
567,286
+53,683
+10% +$4.14M
1 2
3
4 5

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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.