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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
+512.03%
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
CLX icon
176
Clorox
CLX
$11.9B
$13.3M 0.12%
104,841
+50,801
+94% +$6.31M
TRMB icon
177
Trimble
TRMB
$13.5B
$13.2M 0.12%
617,416
+265,143
+75% +$5.51M
HF
178
DELISTED
HFF Inc.
HF
$13.2M 0.12%
426,243
-213,923
-33% -$7.29M
ORCL icon
179
Oracle
ORCL
$409B
$13.2M 0.12%
361,092
-107,215
-23% -$4.09M
MO icon
180
Altria Group
MO
$114B
$12.9M 0.12%
221,871
-12,654
-5% -$733K
NVDQ
181
DELISTED
Novadaq Technologies Inc.
NVDQ
$12.9M 0.12%
1,010,060
+121,970
+14% +$1.46M
TJX icon
182
TJX Companies
TJX
$174B
$12.8M 0.12%
362,388
+65,402
+22% +$2.33M
BMRN icon
183
BioMarin Pharmaceuticals
BMRN
$11.6B
$12.8M 0.12%
122,538
-47,221
-28% -$4.93M
TMO icon
184
Thermo Fisher Scientific
TMO
$213B
$12.6M 0.12%
89,066
+1,182
+1% +$158K
BABA icon
185
Alibaba
BABA
$305B
$12.4M 0.12%
152,629
+2,961
+2% +$232K
AXP icon
186
American Express
AXP
$233B
$12.3M 0.12%
177,498
+13,968
+9% +$1.02M
DWRE
187
DELISTED
DEMANDWARE INC COM STK (DE)
DWRE
$12.3M 0.12%
227,194
-39,942
-15% -$2.09M
EXAS
188
DELISTED
Exact Sciences
EXAS
$12M 0.11%
1,301,396
-1,353,246
-51% -$12.6M
NORD
189
DELISTED
Nord Anglia Education, Inc.
NORD
$11.8M 0.11%
+581,464
New +$11.6M
HOUS
190
DELISTED
Anywhere Real Estate
HOUS
$11.8M 0.11%
321,273
-59,143
-16% -$2.34M
AGN
191
DELISTED
Allergan plc
AGN
$11.6M 0.11%
+37,121
New +$11.1M
BIIB icon
192
Biogen
BIIB
$29.8B
$11.5M 0.11%
37,495
-45,638
-55% -$13.1M
ZOES
193
DELISTED
Zoe's Kitchen, Inc.
ZOES
$11.4M 0.11%
407,842
+7,818
+2% +$263K
HEI icon
194
HEICO Corp
HEI
$50.4B
$11.3M 0.11%
508,491
-2,049
-0.4% -$42.6K
QQQ icon
195
Invesco QQQ Trust
QQQ
$469B
$11M 0.1%
97,944
-4,280
-4% -$477K
CB
196
DELISTED
CHUBB CORPORATION
CB
$10.8M 0.1%
81,253
-843
-1% -$109K
KO icon
197
Coca-Cola
KO
$374B
$10.7M 0.1%
247,990
-11,497
-4% -$488K
KRNT icon
198
Kornit Digital
KRNT
$734M
$10.4M 0.1%
949,068
+11,164
+1% +$133K
IWM icon
199
iShares Russell 2000 ETF
IWM
$81.5B
$10.3M 0.1%
91,200
+23,053
+34% +$2.66M
PXD
200
DELISTED
Pioneer Natural Resource Co.
PXD
$10M 0.09%
79,794
+19,060
+31% +$2.62M
6 7
8
9 10

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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.