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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

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
PACW
1001
DELISTED
PacWest Bancorp
PACW
$232K ﹤0.01%
5,407
+242
+5% +$10.9K
PRXL
1002
DELISTED
Parexel International Corp
PRXL
$232K ﹤0.01%
3,421
-405
-11% -$26.4K
KDP icon
1003
Keurig Dr Pepper
KDP
$41.3B
$231K ﹤0.01%
+2,478
New +$220K
RAD
1004
DELISTED
Rite Aid Corporation
RAD
$231K ﹤0.01%
1,476
-765
-34% -$113K
PIE icon
1005
Invesco Dorsey Wright Emerging Markets Momentum ETF
PIE
$248M
$229K ﹤0.01%
15,337
-2,395
-14% -$37.5K
IEV icon
1006
iShares Europe ETF
IEV
$1.69B
$227K ﹤0.01%
5,675
-325
-5% -$13.5K
PAYC icon
1007
Paycom
PAYC
$10.1B
$226K ﹤0.01%
6,000
CCL icon
1008
Carnival Corporation Ltd
CCL
$39.4B
$225K ﹤0.01%
+4,142
New +$214K
LXK
1009
DELISTED
Lexmark Intl Inc
LXK
$224K ﹤0.01%
+6,906
New +$226K
DISCK
1010
DELISTED
Discovery, Inc. Series C Common Stock
DISCK
$223K ﹤0.01%
8,830
-1,300
-13% -$35.5K
ICLR icon
1011
Icon
ICLR
$12.4B
$222K ﹤0.01%
2,863
-55
-2% -$3.93K
RBBN icon
1012
Ribbon Communications
RBBN
$376M
$222K ﹤0.01%
31,229
CRI icon
1013
Carter's
CRI
$1.48B
$221K ﹤0.01%
2,491
+230
+10% +$20.5K
GEF icon
1014
Greif
GEF
$5.07B
$221K ﹤0.01%
7,192
YMLI
1015
DELISTED
VanEck Vectors High Income Infrastructure MLP ETF
YMLI
$221K ﹤0.01%
17,575
-800
-4% -$10.8K
SREV
1016
DELISTED
ServiceSource International, Inc.
SREV
$220K ﹤0.01%
47,800
-5,000
-9% -$23.5K
VXX
1017
DELISTED
iPath S&P 500 VIX Short-Term Futures ETN due 1/30/2019
VXX
$220K ﹤0.01%
+685
New +$218K
HLIO icon
1018
Helios Technologies
HLIO
$2.72B
$218K ﹤0.01%
+6,905
New +$212K
MT icon
1019
ArcelorMittal
MT
$55.2B
$218K ﹤0.01%
+22,597
New +$264K
OEF icon
1020
iShares S&P 100 ETF
OEF
$20.5B
$218K ﹤0.01%
+2,400
New +$220K
PCG icon
1021
PG&E
PCG
$37.4B
$218K ﹤0.01%
+4,108
New +$218K
XLI icon
1022
State Street Industrial Select Sector SPDR ETF
XLI
$33.6B
$218K ﹤0.01%
+4,126
New +$221K
JCP
1023
DELISTED
J.C. Penney Company, Inc.
JCP
$218K ﹤0.01%
32,775
-2,150
-6% -$17.9K
ERF
1024
DELISTED
Enerplus Corporation
ERF
$216K ﹤0.01%
63,239
-75,646
-54% -$361K
NS
1025
DELISTED
NuStar Energy L.P.
NS
$216K ﹤0.01%
5,400

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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.