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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
MRCC
201
DELISTED
Monroe Capital Corp
MRCC
$12.5M 0.1%
789,972
+1,566
+0.2% +$24.4K
BUD icon
202
AB InBev
BUD
$167B
$12.5M 0.1%
113,604
+36,832
+48% +$3.96M
TD icon
203
Toronto Dominion Bank
TD
$199B
$12.4M 0.1%
248,196
+56,407
+29% +$2.88M
TRMB icon
204
Trimble
TRMB
$13.2B
$12.3M 0.1%
386,427
+6,821
+2% +$211K
HON icon
205
Honeywell
HON
$77.1B
$12.1M 0.1%
107,798
+958
+0.9% +$106K
VOO icon
206
Vanguard S&P 500 ETF
VOO
$974B
$12M 0.1%
55,427
+1,471
+3% +$314K
IWD icon
207
iShares Russell 1000 Value ETF
IWD
$82B
$11.9M 0.1%
102,447
+16,680
+19% +$1.91M
UNF icon
208
Unifirst Corp
UNF
$5.31B
$11.9M 0.1%
83,784
– –
PCTY icon
209
Paylocity
PCTY
$7.28B
$11.7M 0.09%
320,668
+60,420
+23% +$2.1M
CLX icon
210
Clorox
CLX
$11.6B
$11.5M 0.09%
84,418
-41,311
-33% -$5.35M
CB icon
211
Chubb
CB
$136B
$11.5M 0.09%
83,761
+7,506
+10% +$1.01M
C icon
212
Citigroup
C
$223B
$11.4M 0.09%
190,629
+38,792
+26% +$2.29M
HOG icon
213
Harley-Davidson
HOG
$2.58B
$11.4M 0.09%
195,871
+19,449
+11% +$1.14M
NVS icon
214
Novartis
NVS
$298B
$11.2M 0.09%
167,008
-1,136
-0.7% -$75.7K
EMR icon
215
Emerson Electric
EMR
$83.8B
$11.2M 0.09%
186,156
-4,833
-3% -$289K
BIDU icon
216
Baidu
BIDU
$37.5B
$11M 0.09%
63,210
+1,254
+2% +$221K
LKQ icon
217
LKQ Corp
LKQ
$5.7B
$11M 0.09%
349,006
-307,873
-47% -$9.58M
TJX icon
218
TJX Companies
TJX
$175B
$10.6M 0.09%
270,270
-29,078
-10% -$1.12M
PINC
219
DELISTED
Premier
PINC
$10.6M 0.09%
337,580
-95,243
-22% -$2.99M
BP icon
220
BP
BP
$115B
$10.5M 0.08%
353,040
+109,096
+45% +$3.32M
RTN
221
DELISTED
Raytheon Company
RTN
$10.4M 0.08%
68,169
+14,037
+26% +$2.11M
AKAM icon
222
Akamai
AKAM
$16.5B
$10.3M 0.08%
171,280
-228,590
-57% -$15M
XLF icon
223
State Street Financial Select Sector SPDR ETF
XLF
$56.9B
$10.3M 0.08%
430,296
+60,287
+16% +$1.44M
NSC icon
224
Norfolk Southern
NSC
$75.5B
$10.3M 0.08%
86,023
+12,265
+17% +$1.43M
QQQ icon
225
Invesco QQQ Trust
QQQ
$451B
$10.1M 0.08%
77,392
+2,880
+4% +$368K
7 8
9
10 11

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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.