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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
+3.14%
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
+$102M
Cap. Flow
+$31.2M
Cap. Flow %
0.29%
Top 10 Hldgs %
16.97%
Holding
1,370
New
159
Increased
462
Reduced
512
Closed
129

Top Buys

Rank Stock Value
1
USMV icon
iShares MSCI USA Min Vol Factor ETF
USMV
+$23.3M
2
EXC icon
Exelon
EXC
+$19M
3
ABMD
Abiomed Inc
ABMD
+$17.8M
4
MBLY
Mobileye N.V.
MBLY
+$16.9M
5
DHR icon
Danaher
DHR
+$15.8M

Top Sells

Rank Stock Value
1
ARG
Airgas Inc
ARG
+$47.7M
2
WSM icon
Williams-Sonoma
WSM
+$17.5M
3
UAA icon
Under Armour
UAA
+$17.2M
4
ESRX
Express Scripts Holding Company
ESRX
+$15.3M
5
PRGO icon
Perrigo
PRGO
+$15.2M

Sector Composition

Rank Sector Weight
1 Healthcare 19.89%
2 Technology 14.72%
3 Industrials 11.82%
4 Financials 11.37%
5 Consumer Discretionary 10.75%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IWB icon
501
iShares Russell 1000 ETF
IWB
$48.2B
$1.64M 0.02%
14,049
+10,275
+272% +$1.18M
TEP
502
DELISTED
Tallgrass Energy Partners, LP
TEP
$1.63M 0.02%
+35,445
New +$1.53M
LH icon
503
Labcorp
LH
$25B
$1.63M 0.02%
14,563
-4,617
-24% -$497K
ALXN
504
DELISTED
Alexion Pharmaceuticals
ALXN
$1.61M 0.02%
13,831
+5,678
+70% +$806K
GD icon
505
General Dynamics
GD
$104B
$1.6M 0.01%
11,480
+148
+1% +$20.6K
DGX icon
506
Quest Diagnostics
DGX
$25.7B
$1.59M 0.01%
19,595
+362
+2% +$27.6K
KDNY
507
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
$1.59M 0.01%
28,206
-1,011
-3% -$61.4K
MELI icon
508
Mercado Libre
MELI
$95.2B
$1.58M 0.01%
41,731
+29,360
+237% +$3.81M
CIVB icon
509
Civista Bancshares
CIVB
$604M
$1.58M 0.01%
120,523
+1
+0% +$12
SSTK icon
510
Shutterstock
SSTK
$198M
$1.57M 0.01%
34,305
-485
-1% -$20K
TLT icon
511
iShares 20+ Year Treasury Bond ETF
TLT
$42.1B
$1.55M 0.01%
11,195
+5,032
+82% +$664K
MACK
512
DELISTED
Merrimack Pharmaceuticals, Inc.
MACK
$1.55M 0.01%
36,459
-2,224
-6% -$121K
AET
513
DELISTED
Aetna Inc
AET
$1.54M 0.01%
12,631
-5,978
-32% -$686K
VLO icon
514
Valero Energy
VLO
$90.1B
$1.54M 0.01%
30,229
+12,900
+74% +$730K
MSI icon
515
Motorola Solutions
MSI
$72.3B
$1.53M 0.01%
23,148
+6,050
+35% +$430K
ZBH icon
516
Zimmer Biomet
ZBH
$18.2B
$1.51M 0.01%
12,906
+2,111
+20% +$239K
SPLK
517
DELISTED
Splunk Inc
SPLK
$1.51M 0.01%
27,826
+2,574
+10% +$136K
FIZZ icon
518
National Beverage
FIZZ
$2.96B
$1.48M 0.01%
47,256
-3,518
-7% -$89.8K
TWX
519
DELISTED
Time Warner Inc
TWX
$1.48M 0.01%
20,169
-14,326
-42% -$1.06M
DHS icon
520
WisdomTree US High Dividend Fund
DHS
$1.56B
$1.47M 0.01%
22,035
-17,555
-44% -$1.12M
CGEN icon
521
Compugen
CGEN
$222M
$1.46M 0.01%
225,724
-3,076
-1% -$20.5K
IJK icon
522
iShares S&P Mid-Cap 400 Growth ETF
IJK
$10.7B
$1.46M 0.01%
34,492
+424
+1% +$17.6K
DOC icon
523
Healthpeak Properties
DOC
$15.1B
$1.46M 0.01%
45,202
+3,157
+8% +$98K
MRLN
524
DELISTED
Marlin Business Services Corp
MRLN
$1.46M 0.01%
89,266
-17,500
-16% -$261K
RGEN icon
525
Repligen
RGEN
$7.96B
$1.45M 0.01%
52,924
+11,630
+28% +$297K
19 20
21
22 23

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William Blair & Company's Q2 2016 Portfolio in Review

As of Q2 2016, William Blair & Company held 1,370 positions worth $10.7B, up 0.96% from $10.6B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company's Q2 2016 filing shows 159 new, 462 increased, 512 reduced and 129 closed positions. Its largest new stake was Under Armour Class C: 425,316 shares worth $15.5M. The largest sale was Airgas Inc, an estimated $47.7M.

By sector, the portfolio is most concentrated in Healthcare at 20% of assets, up from 19% a quarter earlier, followed by Technology and Industrials.

  • William Blair & Company's largest Q2 2016 buy was Under Armour Class C: 425,316 shares worth $15.5M.
  • William Blair & Company added most to iShares MSCI USA Min Vol Factor ETF in Q2 2016, an estimated $23.3M increase.
  • William Blair & Company's biggest Q2 2016 reduction was Williams-Sonoma, cutting an estimated $17.5M.
  • William Blair & Company fully exited Airgas Inc in Q2 2016, selling an estimated $47.7M.
  • William Blair & Company's ten largest holdings make up 17% of its $10.7B portfolio in Q2 2016.
  • William Blair & Company opened 159 new positions and closed 129 in Q2 2016.
  • William Blair & Company's portfolio value rose 0.96% quarter-over-quarter to $10.7B.

Based on William Blair & Company's 13F filing for Q2 2016, filed 8 Aug 2016.