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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
Y
1051
DELISTED
Alleghany Corp
Y
$305K ﹤0.01%
496
– –
WWAV
1052
DELISTED
The WhiteWave Foods Company
WWAV
$305K ﹤0.01%
5,466
+300
+6% +$16.6K
SEIC icon
1053
SEI Investments
SEIC
$12.4B
$304K ﹤0.01%
6,046
-1,293
-18% -$65.3K
STNG icon
1054
Scorpio Tankers
STNG
$3.88B
$304K ﹤0.01%
+7,903
New +$329K
AEM icon
1055
Agnico Eagle Mines
AEM
$74.3B
$302K ﹤0.01%
7,130
-455
-6% -$20.5K
LSXMK
1056
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$302K ﹤0.01%
10,215
+422
+4% +$11.9K
HUM icon
1057
Humana
HUM
$44.3B
$301K ﹤0.01%
1,426
-2
-0.1% -$413
NOW icon
1058
ServiceNow
NOW
$119B
$301K ﹤0.01%
+17,320
New +$302K
OTEX icon
1059
Open Text
OTEX
$6.35B
$301K ﹤0.01%
8,882
– –
OAK
1060
DELISTED
OAKTREE CAPITAL GROUP, LLC
OAK
$301K ﹤0.01%
+6,742
New +$294K
CUNB
1061
DELISTED
CU Bancorp
CUNB
$301K ﹤0.01%
+7,590
New +$285K
SIEN
1062
DELISTED
Sientra, Inc.
SIEN
$299K ﹤0.01%
3,076
+60
+2% +$5.29K
AIVL icon
1063
WisdomTree US AI Enhanced Value Fund
AIVL
$430M
$298K ﹤0.01%
3,575
– –
NTUS
1064
DELISTED
Natus Medical Inc
NTUS
$298K ﹤0.01%
8,055
+454
+6% +$17K
RLI icon
1065
RLI Corp
RLI
$5.62B
$297K ﹤0.01%
9,888
-440
-4% -$13K
ETR icon
1066
Entergy
ETR
$50.5B
$296K ﹤0.01%
7,752
-826
-10% -$30.3K
RAD
1067
DELISTED
Rite Aid Corporation
RAD
$296K ﹤0.01%
2,470
+150
+6% +$18.1K
SRN
1068
DELISTED
SOUTHERN BANC CO,INC.(THE)
SRN
$296K ﹤0.01%
23,663
– –
LMAT icon
1069
LeMaitre Vascular
LMAT
$2.38B
$295K ﹤0.01%
11,977
+768
+7% +$18K
WFC.PRL icon
1070
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.72B
$295K ﹤0.01%
240
– –
SON icon
1071
Sonoco
SON
$5.55B
$294K ﹤0.01%
+5,522
New +$297K
BIVV
1072
DELISTED
Bioverativ Inc. Common Stock
BIVV
$294K ﹤0.01%
+5,599
New +$276K
NCMI icon
1073
National CineMedia
NCMI
$392M
$292K ﹤0.01%
2,315
+63
+3% +$8.49K
LVS icon
1074
Las Vegas Sands
LVS
$30.4B
$291K ﹤0.01%
5,485
-100
-2% -$5.44K
JEF icon
1075
Jefferies Financial Group
JEF
$12.8B
$289K ﹤0.01%
+12,132
New +$271K
41 42
43
44 45

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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.