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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
+5.93%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$10.7B
AUM Growth
-$908M
Cap. Flow
-$1.39B
Cap. Flow %
-13.04%
Top 10 Hldgs %
17.51%
Holding
1,529
New
105
Increased
364
Reduced
634
Closed
286

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66.7M
2
G icon
Genpact
G
+$27.6M
3
ZTS icon
Zoetis
ZTS
+$17.2M
4
MBLY
Mobileye N.V.
MBLY
+$16.2M
5
PLAY icon
Dave & Buster's
PLAY
+$13.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$104M
2
GILD icon
Gilead Sciences
GILD
+$42.3M
3
MA icon
Mastercard
MA
+$37.4M
4
MJN
Mead Johnson Nutrition Company
MJN
+$37.4M
5
AMZN icon
Amazon
AMZN
+$33.3M

Sector Composition

Rank Sector Weight
1 Healthcare 19.61%
2 Technology 14.78%
3 Industrials 12.48%
4 Financials 12.35%
5 Consumer Discretionary 11.45%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WDC icon
801
Western Digital
WDC
$151B
$460K ﹤0.01%
+10,146
New +$518K
PDCO
802
DELISTED
Patterson Companies, Inc.
PDCO
$459K ﹤0.01%
10,164
-116
-1% -$5.33K
BN icon
803
Brookfield
BN
$108B
$458K ﹤0.01%
41,409
-304,210
-88% -$3.57M
XLF icon
804
State Street Financial Select Sector SPDR ETF
XLF
$58.3B
$457K ﹤0.01%
21,843
+609
+3% +$12.8K
TNL icon
805
Travel + Leisure Co
TNL
$4.75B
$453K ﹤0.01%
13,846
– –
TFCFA
806
DELISTED
Twenty-First Century Fox, Inc. Class A
TFCFA
$453K ﹤0.01%
16,710
+3,196
+24% +$92.7K
VT icon
807
Vanguard Total World Stock ETF
VT
$79.8B
$452K ﹤0.01%
7,860
-1,270
-14% -$74.5K
CNQ icon
808
Canadian Natural Resources
CNQ
$94.9B
$450K ﹤0.01%
42,713
-210,429
-83% -$2.35M
RPM icon
809
RPM International
RPM
$15B
$450K ﹤0.01%
10,212
– –
EZU icon
810
iShare MSCI Eurozone ETF
EZU
$9.92B
$449K ﹤0.01%
12,800
– –
FICO icon
811
Fair Isaac
FICO
$22.3B
$449K ﹤0.01%
4,775
– –
ONB icon
812
Old National Bancorp
ONB
$10.2B
$447K ﹤0.01%
33,000
+300
+0.9% +$4.24K
WT icon
813
WisdomTree
WT
$3.25B
$447K ﹤0.01%
28,556
+4,600
+19% +$84.4K
AAMI
814
Acadian Asset Management
AAMI
$3.22B
$446K ﹤0.01%
+29,066
New +$449K
GAP
815
The Gap Inc
GAP
$7.37B
$440K ﹤0.01%
17,842
-31
-0.2% -$827
MNST icon
816
Monster Beverage
MNST
$88.6B
$439K ﹤0.01%
17,682
-12,096
-41% -$292K
MLVF
817
DELISTED
Malvern Bancorp, Inc.
MLVF
$439K ﹤0.01%
25,000
– –
ICFI icon
818
ICF International
ICFI
$1.7B
$438K ﹤0.01%
12,316
-105,095
-90% -$3.52M
WAB icon
819
Wabtec
WAB
$49.6B
$438K ﹤0.01%
6,172
– –
BWLD
820
DELISTED
Buffalo Wild Wings, Inc.
BWLD
$438K ﹤0.01%
+2,745
New +$458K
MSM icon
821
MSC Industrial Direct
MSM
$6.9B
$437K ﹤0.01%
7,781
-1,629
-17% -$98.5K
CTLP
822
DELISTED
Cantaloupe
CTLP
$436K ﹤0.01%
141,518
+15,010
+12% +$43.7K
XYL icon
823
Xylem
XYL
$28.1B
$436K ﹤0.01%
11,950
-355
-3% -$12.8K
ACHN
824
DELISTED
Achillion Pharmaceuticals
ACHN
$435K ﹤0.01%
40,400
-35,600
-47% -$324K
COR icon
825
Cencora
COR
$61.4B
$433K ﹤0.01%
4,179
-325
-7% -$31.9K
31 32
33
34 35

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William Blair & Company's Q4 2015 Portfolio in Review

As of Q4 2015, William Blair & Company held 1,529 positions worth $10.7B, down 7.9% from $11.6B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company withdrew a net $1.39B in Q4 2015, closing 286 positions and reducing 634 holdings. Its most notable exit was Barracuda Networks, Inc., an estimated $7.62M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 20% of assets, up from 19% a quarter earlier, followed by Technology and Industrials.

Against the trend, William Blair & Company opened a new position in Alphabet (Google) Class A worth $70.1M.

  • William Blair & Company's largest Q4 2015 buy was Alphabet (Google) Class A: 1,802,460 shares worth $70.1M.
  • William Blair & Company added most to Zoetis in Q4 2015, an estimated $17.2M increase.
  • William Blair & Company's biggest Q4 2015 reduction was Alphabet (Google) Class C, cutting an estimated $104M.
  • William Blair & Company fully exited Barracuda Networks, Inc. in Q4 2015, selling an estimated $7.62M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.7B portfolio in Q4 2015.
  • William Blair & Company opened 105 new positions and closed 286 in Q4 2015.
  • William Blair & Company's portfolio value fell 7.9% quarter-over-quarter to $10.7B.

Based on William Blair & Company's 13F filing for Q4 2015, filed 16 Feb 2016.