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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
TD icon
551
Toronto Dominion Bank
TD
$200B
$1.3M 0.01%
33,329
-32,474
-49% -$1.31M
NUS icon
552
Nu Skin
NUS
$251M
$1.3M 0.01%
34,427
-70,369
-67% -$2.59M
MPWR icon
553
Monolithic Power Systems
MPWR
$67.9B
$1.3M 0.01%
20,446
-6,650
-25% -$413K
KR icon
554
Kroger
KR
$35B
$1.3M 0.01%
31,096
-91,615
-75% -$3.55M
AAL icon
555
American Airlines Group
AAL
$10.8B
$1.3M 0.01%
30,682
-1,877
-6% -$81.3K
WTFC icon
556
Wintrust Financial
WTFC
$10.8B
$1.3M 0.01%
26,766
+4,810
+22% +$246K
CNI icon
557
Canadian National Railway
CNI
$76.4B
$1.29M 0.01%
23,112
-41,948
-64% -$2.45M
VLO icon
558
Valero Energy
VLO
$86.9B
$1.29M 0.01%
18,216
-2,310
-11% -$157K
HEP
559
DELISTED
Holly Energy Partners, L.P.
HEP
$1.28M 0.01%
41,260
– –
WIFI
560
DELISTED
Boingo Wireless, Inc.
WIFI
$1.27M 0.01%
192,000
+18,162
+10% +$130K
MINT icon
561
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17B
$1.27M 0.01%
12,625
-13
-0.1% -$1.31K
RNET
562
DELISTED
RigNet, Inc.
RNET
$1.27M 0.01%
61,270
-19,450
-24% -$486K
MELI icon
563
Mercado Libre
MELI
$90.4B
$1.25M 0.01%
10,974
-4,836
-31% -$532K
TFM
564
DELISTED
THE FRESH MARKET, INC COM STK
TFM
$1.24M 0.01%
53,019
-17,489
-25% -$429K
SWK icon
565
Stanley Black & Decker
SWK
$15.5B
$1.23M 0.01%
11,547
+182
+2% +$19.2K
FC icon
566
Franklin Covey
FC
$242M
$1.23M 0.01%
73,556
+1,240
+2% +$19.8K
FIZZ icon
567
National Beverage
FIZZ
$2.97B
$1.23M 0.01%
54,114
-3,800
-7% -$73.7K
ATRC icon
568
AtriCure
ATRC
$2.05B
$1.23M 0.01%
+54,725
New +$1.13M
IJR icon
569
iShares Core S&P Small-Cap ETF
IJR
$112B
$1.22M 0.01%
22,204
+6,804
+44% +$383K
RCL icon
570
Royal Caribbean
RCL
$86.7B
$1.22M 0.01%
12,028
-800
-6% -$76.2K
TIVO
571
DELISTED
TIVO INC
TIVO
$1.21M 0.01%
140,720
+1,650
+1% +$14.9K
TIVO
572
DELISTED
Tivo Inc
TIVO
$1.2M 0.01%
71,750
+1,625
+2% +$18.3K
ZBH icon
573
Zimmer Biomet
ZBH
$18.7B
$1.19M 0.01%
11,972
+1,317
+12% +$129K
ARGO
574
DELISTED
Argo Group International Holdings, Ltd.
ARGO
$1.19M 0.01%
25,203
-303
-1% -$14.9K
AX icon
575
Axos Financial
AX
$5.82B
$1.19M 0.01%
56,310
+16,810
+43% +$396K
21 22
23
24 25

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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.