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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
JKHY icon
776
Jack Henry & Associates
JKHY
$10.9B
$761K 0.01%
8,152
-180
-2% -$16.6K
OHI icon
777
Omega Healthcare
OHI
$15.1B
$758K 0.01%
+23,221
New +$746K
PRO
778
DELISTED
PROS Holdings
PRO
$758K 0.01%
32,640
+1,700
+5% +$38.4K
RY icon
779
Royal Bank of Canada
RY
$291B
$749K 0.01%
10,288
+5,354
+109% +$388K
JNJ icon
780
CALL
Johnson & Johnson
JNJ
$618B
$747K 0.01%
6,000
-200
-3% -$23.9K
EXC icon
781
CALL
Exelon
EXC
$47.2B
$741K 0.01%
28,881
+26,077
+930% +$665K
EVHC
782
DELISTED
Envision Healthcare Holdings Inc
EVHC
$737K 0.01%
11,845
-46
-0.4% -$3.08K
CAG icon
783
Conagra Brands
CAG
$6.94B
$736K 0.01%
17,951
+9,576
+114% +$382K
PKG icon
784
Packaging Corp of America
PKG
$21.9B
$732K 0.01%
7,919
-39
-0.5% -$3.58K
CMP icon
785
Compass Minerals
CMP
$1.23B
$728K 0.01%
10,711
-8
-0.1% -$609
WFT
786
DELISTED
Weatherford International plc
WFT
$719K 0.01%
111,574
+16,945
+18% +$99.3K
ROST icon
787
Ross Stores
ROST
$80.5B
$714K 0.01%
10,430
-777
-7% -$51.9K
AES.PRC.CL
788
DELISTED
AES Corporation Class C Preferred
AES.PRC.CL
$713K 0.01%
+14,050
New +$712K
GARS
789
DELISTED
Garrison Capital Inc.
GARS
$712K 0.01%
70,650
+750
+1% +$7.27K
ACH
790
Accendra Health
ACH
$237M
$711K 0.01%
20,541
+342
+2% +$12.2K
GNRC icon
791
Generac Holdings
GNRC
$11.6B
$702K 0.01%
17,985
-300
-2% -$11.9K
SCZ icon
792
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.4B
$699K 0.01%
12,914
-306
-2% -$16.1K
SAP icon
793
SAP
SAP
$212B
$698K 0.01%
7,161
-1,344
-16% -$125K
WDC icon
794
Western Digital
WDC
$188B
$697K 0.01%
11,990
-1,902
-14% -$109K
XLB icon
795
State Street Materials Select Sector SPDR ETF
XLB
$8.36B
$696K 0.01%
26,546
– –
IDCC icon
796
InterDigital
IDCC
$7.87B
$693K 0.01%
8,241
+2,505
+44% +$225K
AKRX
797
DELISTED
Akorn Inc
AKRX
$690K 0.01%
28,743
+1,428
+5% +$31.1K
GBCI icon
798
Glacier Bancorp
GBCI
$6.42B
$689K 0.01%
+20,280
New +$718K
OSBC icon
799
Old Second Bancorp
OSBC
$1.29B
$684K 0.01%
60,916
– –
ANET icon
800
Arista Networks
ANET
$227B
$678K 0.01%
82,816
+4,656
+6% +$32.1K
30 31
32
33 34

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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.