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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
NBHC icon
951
National Bank Holdings
NBHC
$1.92B
$412K ﹤0.01%
12,500
– –
SWKS icon
952
Skyworks Solutions
SWKS
$9.22B
$412K ﹤0.01%
+4,345
New +$397K
BMRC icon
953
Bank of Marin Bancorp
BMRC
$474M
$411K ﹤0.01%
12,000
– –
FCX icon
954
Freeport-McMoran
FCX
$91.5B
$411K ﹤0.01%
30,714
+5,612
+22% +$80.6K
MGEE icon
955
MGE Energy Inc
MGEE
$3.02B
$411K ﹤0.01%
6,415
+540
+9% +$34.2K
VPL icon
956
Vanguard FTSE Pacific ETF
VPL
$8.13B
$409K ﹤0.01%
6,573
+1,800
+38% +$111K
IVE icon
957
iShares S&P 500 Value ETF
IVE
$49.3B
$406K ﹤0.01%
3,860
– –
HLF icon
958
Herbalife
HLF
$1.32B
$405K ﹤0.01%
13,938
-3,378
-20% -$94K
MDRX
959
DELISTED
Veradigm Inc. Common Stock
MDRX
$404K ﹤0.01%
32,250
-135
-0.4% -$1.6K
LHCG
960
DELISTED
LHC Group LLC
LHCG
$404K ﹤0.01%
7,500
+500
+7% +$24.3K
MIXT
961
DELISTED
MIX TELEMATICS LIMITED
MIXT
$403K ﹤0.01%
56,478
+340
+0.6% +$2.39K
JBLU icon
962
JetBlue
JBLU
$2.35B
$402K ﹤0.01%
20,150
+1,800
+10% +$36.7K
AMT icon
963
CALL
American Tower
AMT
$80.6B
$401K ﹤0.01%
3,300
– –
IPGP icon
964
IPG Photonics
IPGP
$3.7B
$401K ﹤0.01%
3,360
-400
-11% -$45.3K
VTRS icon
965
Viatris
VTRS
$20.5B
$401K ﹤0.01%
9,591
+1,616
+20% +$65.1K
MDP
966
DELISTED
Meredith Corporation
MDP
$400K ﹤0.01%
6,205
– –
MAT icon
967
Mattel
MAT
$4.32B
$399K ﹤0.01%
+15,516
New +$416K
LUX
968
DELISTED
Luxottica Group
LUX
$399K ﹤0.01%
7,270
-3,334
-31% -$178K
MBB icon
969
iShares MBS ETF
MBB
$38.8B
$396K ﹤0.01%
3,707
-326
-8% -$34.6K
TVTY
970
DELISTED
Tivity Health, Inc. Common Stock
TVTY
$393K ﹤0.01%
13,600
-50
-0.4% -$1.32K
J icon
971
Jacobs Solutions
J
$16.4B
$392K ﹤0.01%
8,446
+4,201
+99% +$199K
HAS icon
972
Hasbro
HAS
$12.9B
$390K ﹤0.01%
+3,994
New +$370K
KDP icon
973
Keurig Dr Pepper
KDP
$42.1B
$389K ﹤0.01%
4,087
+153
+4% +$14.3K
PACB icon
974
Pacific Biosciences
PACB
$441M
$389K ﹤0.01%
77,111
– –
BKD icon
975
Brookdale Senior Living
BKD
$3.43B
$383K ﹤0.01%
26,665
+2,170
+9% +$30.6K
37 38
39
40 41

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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.