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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
KYE
1226
DELISTED
Kayne Anderson Energy
KYE
– –
-22,125
Closed -$289K
FNGN
1227
DELISTED
Financial Engines, Inc.
FNGN
– –
-152,880
Closed -$4.5M
CUDA
1228
DELISTED
Barracuda Networks, Inc.
CUDA
– –
-489,043
Closed -$7.62M
SYT
1229
DELISTED
Syngenta Ag
SYT
– –
-37,784
Closed -$2.41M
RICE
1230
DELISTED
Rice Energy Inc.
RICE
– –
-14,600
Closed -$235K
LUX
1231
DELISTED
Luxottica Group
LUX
– –
-8,180
Closed -$566K
EXAR
1232
DELISTED
Exar Corporation
EXAR
– –
-26,987
Closed -$161K
TMH
1233
DELISTED
Team Health Holdings Inc
TMH
– –
-61,564
Closed -$3.33M
CVT
1234
DELISTED
CVENT, INC.
CVT
– –
-103,300
Closed -$3.48M
TUMI
1235
DELISTED
TUMI HLDGS INC COM
TUMI
– –
-44,535
Closed -$785K
ADT
1236
CALL
DELISTED
ADT Corp
ADT
– –
-1,000
Closed -$29K
BTU
1237
DELISTED
PEABODY ENERGY CORP COM STK NEW (DE)
BTU
– –
-933
Closed -$19K
IGC.WS
1238
DELISTED
INDIA GLOBALIZATION CAPITAL, INC. WTS EXP 3/06/2017
IGC.WS
$0 ﹤0.01%
24,600
– –
BDBD
1239
DELISTED
BOULDER BRANDS INC
BDBD
– –
-158,775
Closed -$1.3M
RNDY
1240
DELISTED
ROUNDYS INC COM STK
RNDY
– –
-225,580
Closed -$523K
ZSPH
1241
DELISTED
ZS PHARMA INC COMS TK (DE)
ZSPH
– –
-14,777
Closed -$970K
AWAY
1242
DELISTED
HOMEAWAY INC COM
AWAY
– –
-8,915
Closed -$236K
MWE
1243
DELISTED
MARKWEST ENERGY PARTNERS, LP
MWE
– –
-49,316
Closed -$2.12M
SIAL
1244
DELISTED
SIGMA - ALDRICH CORP
SIAL
– –
-5,591
Closed -$776K
DVR
1245
DELISTED
CAL DIVE INTERNATIONAL INC COM
DVR
$0 ﹤0.01%
54,700
-80,000
-59% –
CMCSK
1246
DELISTED
COMCAST CORP SPL A (NEW)
CMCSK
– –
-26,843
Closed -$1.54M
AERG
1247
DELISTED
APPLIED ENERGETICS, INC
AERG
$0 ﹤0.01%
10,000
– –
BGP
1248
DELISTED
BORDERS GROUP INC
BGP
$0 ﹤0.01%
10,900
– –
XWG
1249
DELISTED
WIRELESS XCESSORIES GR INC
XWG
– –
-25,000
Closed -$11K
CEO
1250
DELISTED
CNOOC Limited
CEO
– –
-6,478
Closed -$667K
47 48 49
50
51

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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.