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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
HYG icon
1176
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$16.6B
– –
-7,557
Closed -$629K
IQV icon
1177
IQVIA
IQV
$38.2B
– –
-100,751
Closed -$7.01M
ITUB icon
1178
Itaú Unibanco
ITUB
$91.9B
– –
-186,201
Closed -$544K
JNPR
1179
DELISTED
Juniper Networks
JNPR
– –
-8,527
Closed -$219K
JNK icon
1180
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$6.91B
– –
-3,838
Closed -$411K
KBR icon
1181
KBR
KBR
$4.69B
– –
-12,105
Closed -$202K
LBRDK icon
1182
Liberty Broadband Class C
LBRDK
$5.17B
– –
-3,948
Closed -$201K
LCII icon
1183
LCI Industries
LCII
$2.59B
– –
-57,598
Closed -$3.15M
M icon
1184
Macy's
M
$6.74B
– –
-7,228
Closed -$371K
MFG icon
1185
Mizuho Financial
MFG
$131B
– –
-12,354
Closed -$46K
MGA icon
1186
Magna International
MGA
$18.8B
– –
-4,730
Closed -$226K
MMS icon
1187
Maximus
MMS
$3.04B
– –
-50,149
Closed -$2.99M
MNRO icon
1188
Monro
MNRO
$409M
– –
-3,962
Closed -$268K
MTW icon
1189
Manitowoc
MTW
$520M
– –
-165,786
Closed -$2.25M
SDEV
1190
Stablecoin Development Corp
SDEV
$51.5M
– –
0
– -$4K
NGVC icon
1191
Vitamin Cottage Natural Grocers
NGVC
$751M
– –
-9,360
Closed -$212K
NTES icon
1192
NetEase
NTES
$82.7B
– –
-67,855
Closed -$1.63M
ODFL icon
1193
Old Dominion Freight Line
ODFL
$44.1B
– –
-257,133
Closed -$5.23M
QLTA icon
1194
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.23B
– –
-20,587
Closed -$1.05M
RGEN icon
1195
Repligen
RGEN
$9.01B
– –
-57,894
Closed -$1.61M
SGOL icon
1196
abrdn Physical Gold Shares ETF
SGOL
$7.28B
– –
-19,000
Closed -$207K
SHY icon
1197
iShares 1-3 Year Treasury Bond ETF
SHY
$25.1B
– –
-5,137
Closed -$437K
SM icon
1198
SM Energy
SM
$6.95B
– –
-9,500
Closed -$304K
STE icon
1199
Steris
STE
$21.8B
– –
-3,095
Closed -$200K
TDC icon
1200
CALL
Teradata
TDC
$2.5B
– –
-500
Closed -$14K
46 47
48
49 50

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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.