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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
BFF
1126
DELISTED
BFC FIN'L CP CL A
BFF
$42K ﹤0.01%
12,500
– –
KTOS icon
1127
Kratos Defense & Security Solutions
KTOS
$10.8B
$41K ﹤0.01%
+10,000
New +$44.3K
GRPN icon
1128
Groupon
GRPN
$955M
$40K ﹤0.01%
653
-1,545
-70% -$99.3K
TCF.WS
1129
DELISTED
TCF Financial Corporation
TCF.WS
$39K ﹤0.01%
18,645
– –
DRRX
1130
DELISTED
DURECT Corp
DRRX
$37K ﹤0.01%
1,694
– –
CYBR
1131
CALL
DELISTED
CyberArk
CYBR
$36K ﹤0.01%
+800
New +$36.4K
MVIS icon
1132
Microvision
MVIS
$76.1M
$35K ﹤0.01%
825
– –
WFM
1133
CALL
DELISTED
Whole Foods Market Inc
WFM
$33K ﹤0.01%
+1,000
New +$31.8K
NTIP icon
1134
Network-1 Technologies
NTIP
$37M
$32K ﹤0.01%
+15,100
New +$31.2K
JOY
1135
CALL
DELISTED
Joy Global Inc
JOY
$31K ﹤0.01%
2,600
-1,200
-32% -$18.1K
KODK.WS.A
1136
DELISTED
Eastman Kodak Company
KODK.WS.A
$30K ﹤0.01%
19,789
– –
LINE
1137
DELISTED
LINN ENERGY LLC COM UTS REP LTD LIABILITY CO INTS
LINE
$23K ﹤0.01%
18,040
-7,831
-30% -$17.4K
ENSV
1138
DELISTED
Enservco Corp.
ENSV
$21K ﹤0.01%
2,633
-517
-16% -$5.06K
NRP icon
1139
Natural Resource Partners
NRP
$1.39B
$20K ﹤0.01%
+1,560
New +$27.5K
MTEM
1140
DELISTED
Molecular Templates, Inc.
MTEM
$15K ﹤0.01%
199
-71
-26% -$35K
BIOC
1141
DELISTED
Biocept, Inc.
BIOC
– –
0
– –
P
1142
CALL
DELISTED
Pandora Media Inc
P
$13K ﹤0.01%
+1,000
New +$14.9K
GAP
1143
CALL
The Gap Inc
GAP
$7.39B
$12K ﹤0.01%
+500
New +$13.3K
TWTR
1144
CALL
DELISTED
Twitter, Inc.
TWTR
$12K ﹤0.01%
+500
New +$13.3K
VPCO
1145
DELISTED
VAPOR CORP DEL COM STK
VPCO
$7K ﹤0.01%
13,396
– –
TWER
1146
DELISTED
Towerstream Corporation Common Stock
TWER
$3K ﹤0.01%
500
-200
-29% -$2.57K
YUMA
1147
DELISTED
Yuma Energy Inc
YUMA
$2K ﹤0.01%
47
– –
VLNC
1148
DELISTED
VALENCE TECHNOLOGY INC
VLNC
$1K ﹤0.01%
36,000
– –
AVCS
1149
DELISTED
AMERICAN VANTAGE CO'S
AVCS
$1K ﹤0.01%
21,865
– –
ABEV icon
1150
Ambev
ABEV
$46.5B
– –
-290,349
Closed -$1.42M
44 45
46
47 48

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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.