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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
TDC icon
1201
Teradata
TDC
$2.51B
– –
-8,550
Closed -$247K
TTC icon
1202
Toro Company
TTC
$9.35B
– –
-114,350
Closed -$4.03M
UNIT
1203
Uniti Group
UNIT
$2.35B
– –
-16,982
Closed -$303K
VALE icon
1204
Vale
VALE
$63.5B
– –
-10,669
Closed -$45K
WMB icon
1205
Williams Companies
WMB
$88.8B
– –
-9,565
Closed -$352K
WMS icon
1206
Advanced Drainage Systems
WMS
$11.9B
– –
-8,270
Closed -$239K
WRB icon
1207
W.R. Berkley
WRB
$26.7B
– –
-27,439
Closed -$441K
WTM icon
1208
White Mountains Insurance
WTM
$5.3B
– –
-337
Closed -$252K
WWW icon
1209
Wolverine World Wide
WWW
$1.61B
– –
-13,448
Closed -$291K
ZUMZ icon
1210
Zumiez
ZUMZ
$336M
– –
-15,250
Closed -$238K
RVNC
1211
DELISTED
Revance Therapeutics, Inc.
RVNC
– –
-22,007
Closed -$654K
SWN
1212
DELISTED
Southwestern Energy Company
SWN
– –
-10,565
Closed -$134K
TWOU
1213
DELISTED
2U Inc
TWOU
– –
-3,574
Closed -$3.85M
SJR
1214
DELISTED
Shaw Communications Inc.
SJR
– –
-17,919
Closed -$348K
CONE
1215
DELISTED
CyrusOne Inc Common Stock
CONE
– –
-24,829
Closed -$811K
VCRA
1216
DELISTED
VOCERA COMMUNICATIONS, INC.
VCRA
– –
-17,735
Closed -$202K
DSE
1217
DELISTED
Duff & Phelps Select MLP and Midstream Energy Fund Inc.
DSE
– –
-1,000
Closed -$72K
IPHS
1218
DELISTED
Innophos Holdings, Inc.
IPHS
– –
-6,695
Closed -$265K
CRZO
1219
DELISTED
Carrizo Oil & Gas Inc
CRZO
– –
-60,174
Closed -$1.84M
DATA
1220
DELISTED
Tableau Software, Inc.
DATA
– –
-2,778
Closed -$222K
AKAO
1221
DELISTED
Achaogen Inc
AKAO
– –
-33,728
Closed -$194K
SODA
1222
DELISTED
SodaStream International Ltd
SODA
– –
-13,982
Closed -$192K
EGN
1223
DELISTED
Energen
EGN
– –
-4,141
Closed -$206K
EVHC
1224
DELISTED
Envision Healthcare Holdings Inc
EVHC
– –
-2,506
Closed -$275K
WEB
1225
DELISTED
Web.com Group, Inc.
WEB
– –
-9,500
Closed -$200K
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.