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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
ELS icon
1376
Equity Lifestyle Properties
ELS
$12.6B
– –
-30,590
Closed -$1.1M
EQT icon
1377
EQT Corp
EQT
$33.3B
– –
-7,177
Closed -$256K
EWH icon
1378
iShares MSCI Hong Kong ETF
EWH
$1.24B
– –
-46,428
Closed -$904K
EXAS
1379
CALL
DELISTED
Exact Sciences
EXAS
– –
-4,500
Closed -$46K
EXLS icon
1380
EXL Service
EXLS
$5.14B
– –
-23,495
Closed -$237K
FFIN icon
1381
First Financial Bankshares
FFIN
$5.04B
– –
-9,804
Closed -$222K
GEO icon
1382
CALL
The GEO Group
GEO
$4.13B
– –
-4,950
Closed -$118K
GM icon
1383
CALL
General Motors
GM
$80.4B
– –
-200
Closed -$7K
GOOGL icon
1384
PUT
Alphabet (Google) Class A
GOOGL
$4.36T
– –
-2,000
Closed -$79K
HAIN icon
1385
CALL
Hain Celestial
HAIN
$45M
– –
-1,300
Closed -$50K
HAIN icon
1386
Hain Celestial
HAIN
$45M
– –
-5,926
Closed -$231K
HBI
1387
DELISTED
Hanesbrands
HBI
– –
-28,633
Closed -$618K
HP icon
1388
Helmerich & Payne
HP
$3.45B
– –
-2,822
Closed -$218K
IBM icon
1389
CALL
IBM
IBM
$211B
– –
-105
Closed -$16K
IGIB icon
1390
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.5B
– –
-50,686
Closed -$2.74M
INDA icon
1391
iShares MSCI India ETF
INDA
$6.89B
– –
-8,024
Closed -$215K
INTC icon
1392
CALL
Intel
INTC
$455B
– –
-200
Closed -$7K
IP icon
1393
CALL
International Paper
IP
$21.6B
– –
-739
Closed -$37K
IRM icon
1394
CALL
Iron Mountain
IRM
$36.4B
– –
-100
Closed -$3K
KMI icon
1395
PUT
Kinder Morgan
KMI
$71.7B
– –
-23,000
Closed -$476K
KMX icon
1396
CALL
CarMax
KMX
$8.13B
– –
-600
Closed -$38K
KSS icon
1397
CALL
Kohl's
KSS
$2.17B
– –
-100
Closed -$5K
LLY icon
1398
CALL
Eli Lilly
LLY
$1.02T
– –
-100
Closed -$7K
LUV icon
1399
CALL
Southwest Airlines
LUV
$22B
– –
-1,000
Closed -$50K
MANH icon
1400
Manhattan Associates
MANH
$11.2B
– –
-4,068
Closed -$216K
54 55
56
57 58

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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.