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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
EPAC icon
976
Enerpac Tool Group
EPAC
$1.92B
$244K ﹤0.01%
10,196
-481
-5% -$11K
ESS icon
977
Essex Property Trust
ESS
$18.3B
$244K ﹤0.01%
1,022
+37
+4% +$8.5K
INFN
978
DELISTED
Infinera Corporation Common Stock
INFN
$244K ﹤0.01%
13,450
– –
NGHC
979
DELISTED
National General Holdings Corp
NGHC
$244K ﹤0.01%
11,200
-6,201
-36% -$130K
TLP
980
DELISTED
Transmontaigne
TLP
$244K ﹤0.01%
9,113
-60
-0.7% -$1.64K
KMI icon
981
CALL
Kinder Morgan
KMI
$69.7B
$243K ﹤0.01%
16,400
+12,700
+343% +$303K
TOL icon
982
Toll Brothers
TOL
$14.1B
$243K ﹤0.01%
7,325
– –
NTT
983
DELISTED
Nippon Telegraph & Telephone
NTT
$243K ﹤0.01%
6,119
-836
-12% -$31.6K
SSYS icon
984
Stratasys
SSYS
$760M
$242K ﹤0.01%
10,322
-15,370
-60% -$405K
HAPN
985
Happen Inc
HAPN
$2.27B
$241K ﹤0.01%
+4,380
New +$291K
PIZ icon
986
Invesco Dorsey Wright Developed Markets Momentum ETF
PIZ
$752M
$241K ﹤0.01%
10,200
+1,000
+11% +$23.5K
DT
987
DELISTED
DEUTSCHE TELEKOM AG ADS (1ORD)
DT
$241K ﹤0.01%
13,530
-3,395
-20% -$60.5K
TER icon
988
Teradyne
TER
$60.2B
$240K ﹤0.01%
11,647
-500
-4% -$9.95K
FUN icon
989
Cedar Fair
FUN
$1.61B
$239K ﹤0.01%
4,300
-100
-2% -$5.55K
THG icon
990
Hanover Insurance
THG
$8.06B
$239K ﹤0.01%
2,954
– –
EEQ
991
DELISTED
Enbridge Energy Management Llc
EEQ
$239K ﹤0.01%
14,419
-12,313
-46% -$224K
CMG icon
992
CALL
Chipotle Mexican Grill
CMG
$42.7B
$238K ﹤0.01%
+25,000
New +$306K
HW
993
DELISTED
Headwaters Inc
HW
$238K ﹤0.01%
14,104
+910
+7% +$17.1K
GWX icon
994
State Street SPDR S&P International Small Cap ETF
GWX
$904M
$237K ﹤0.01%
8,440
+362
+4% +$10.4K
SCSC icon
995
Scansource
SCSC
$1.16B
$237K ﹤0.01%
7,358
– –
Y
996
DELISTED
Alleghany Corp
Y
$237K ﹤0.01%
496
-193
-28% -$95.3K
DRI icon
997
Darden Restaurants
DRI
$24.1B
$234K ﹤0.01%
3,699
-3,907
-51% -$227K
SYBT icon
998
Stock Yards Bancorp
SYBT
$2.61B
$234K ﹤0.01%
9,288
-39
-0.4% -$1K
MIXT
999
DELISTED
MIX TELEMATICS LIMITED
MIXT
$233K ﹤0.01%
55,450
– –
HAIN icon
1000
Hain Celestial
HAIN
$53.5M
$232K ﹤0.01%
+5,762
New +$261K
38 39
40
41 42

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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.