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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
BOH icon
501
Bank of Hawaii
BOH
$3.18B
$2.39M 0.02%
28,411
+22,760
+403% +$1.94M
EFOR
502
Everforth Inc
EFOR
$1.23B
$2.38M 0.02%
49,124
+10,636
+28% +$493K
GKOS icon
503
Glaukos
GKOS
$10.1B
$2.38M 0.02%
47,782
-899
-2% -$39.2K
AVGO icon
504
Broadcom
AVGO
$1.86T
$2.31M 0.02%
109,280
+7,420
+7% +$153K
UBS icon
505
UBS Group
UBS
$172B
$2.3M 0.02%
144,452
+23,922
+20% +$385K
FNGN
506
DELISTED
Financial Engines, Inc.
FNGN
$2.3M 0.02%
51,914
-5
-0% -$200
MPLX icon
507
MPLX
MPLX
$59.3B
$2.3M 0.02%
62,833
+505
+0.8% +$18.6K
MGK icon
508
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.2B
$2.29M 0.02%
119,895
– –
IYR icon
509
iShares US Real Estate ETF
IYR
$4.66B
$2.29M 0.02%
28,507
+20,190
+243% +$1.58M
GWR
510
DELISTED
Genesee & Wyoming Inc.
GWR
$2.26M 0.02%
+30,611
New +$2.21M
CPB icon
511
Campbell Soup
CPB
$6.64B
$2.25M 0.02%
38,004
– –
AMN icon
512
AMN Healthcare
AMN
$1.29B
$2.25M 0.02%
54,786
-8,202
-13% -$321K
LEA icon
513
Lear
LEA
$6.35B
$2.25M 0.02%
+15,842
New +$2.25M
CP icon
514
Canadian Pacific Kansas City
CP
$78.6B
$2.25M 0.02%
76,405
+800
+1% +$23.8K
AAC
515
DELISTED
AAC Holdings
AAC
$2.23M 0.02%
243,625
-40,425
-14% -$331K
CHMT
516
DELISTED
Chemtura Corporation
CHMT
$2.23M 0.02%
+67,400
New +$2.24M
UAA icon
517
Under Armour
UAA
$2.92B
$2.22M 0.02%
108,405
-22,250
-17% -$518K
MRSH
518
Marsh
MRSH
$92B
$2.22M 0.02%
30,164
-524
-2% -$37.4K
WFM
519
DELISTED
Whole Foods Market Inc
WFM
$2.21M 0.02%
73,268
-17,836
-20% -$537K
EFAV icon
520
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.43B
$2.2M 0.02%
33,937
+152
+0.4% +$9.73K
MINT icon
521
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17B
$2.19M 0.02%
21,545
+516
+2% +$52.4K
SPLK
522
DELISTED
Splunk Inc
SPLK
$2.19M 0.02%
35,412
+3,934
+12% +$235K
WM icon
523
Waste Management
WM
$90.3B
$2.18M 0.02%
29,753
-267,095
-90% -$19.1M
KDNY
524
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
$2.13M 0.02%
37,958
+147
+0.4% +$8.3K
FITB
525
Fifth Third Bancorp
FITB
$51.6B
$2.12M 0.02%
82,616
+57,335
+227% +$1.53M
19 20
21
22 23

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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.