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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
BUD icon
326
AB InBev
BUD
$170B
$3.89M 0.04%
29,572
-907
-3% -$114K
TRU icon
327
TransUnion
TRU
$15.1B
$3.87M 0.04%
+115,825
New +$3.56M
AXDX
328
DELISTED
Accelerate Diagnostics
AXDX
$3.87M 0.04%
26,870
+19,045
+243% +$2.55M
CDK
329
DELISTED
CDK Global, Inc.
CDK
$3.86M 0.04%
69,571
-1,339
-2% -$69.2K
GRUB
330
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$3.85M 0.04%
61,888
+4,649
+8% +$244K
ROP icon
331
Roper Technologies
ROP
$38.8B
$3.84M 0.04%
22,505
+6,298
+39% +$1.1M
RAX
332
DELISTED
Rackspace Hosting Inc
RAX
$3.83M 0.04%
266,195
+94,230
+55% +$2.2M
PETX
333
DELISTED
Aratana Therapeutics, Inc.
PETX
$3.81M 0.04%
603,652
+53,703
+10% +$345K
DPLO
334
DELISTED
DIPLOMAT PHARMACY, INC.
DPLO
$3.8M 0.04%
108,529
-7,255
-6% -$228K
TOVX icon
335
Theriva Biologics
TOVX
$9.64M
$3.78M 0.04%
240
-57
-19% -$1.07M
KCG
336
DELISTED
KCG Holdings, Inc.
KCG
$3.77M 0.04%
283,156
– –
EEM icon
337
iShares MSCI Emerging Markets ETF
EEM
$28.8B
$3.75M 0.04%
109,135
-6,887
-6% -$231K
EVER
338
DELISTED
Everbank Financial Corp
EVER
$3.75M 0.04%
252,317
-300
-0.1% -$4.46K
HAL icon
339
Halliburton
HAL
$26.9B
$3.72M 0.03%
82,092
-1,192
-1% -$49K
DNB
340
DELISTED
Dun & Bradstreet
DNB
$3.68M 0.03%
30,168
+20,069
+199% +$2.35M
GEL icon
341
Genesis Energy
GEL
$1.87B
$3.65M 0.03%
95,142
+28,957
+44% +$1.01M
MAR icon
342
Marriott International
MAR
$98.3B
$3.65M 0.03%
54,871
-31,430
-36% -$2.11M
MGM icon
343
MGM Resorts International
MGM
$11.4B
$3.63M 0.03%
+160,625
New +$3.65M
EEP
344
DELISTED
Enbridge Energy Partners
EEP
$3.58M 0.03%
154,536
-375
-0.2% -$7.95K
CORP icon
345
PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund
CORP
$1.57B
$3.58M 0.03%
+33,693
New +$3.51M
IVV icon
346
iShares Core S&P 500 ETF
IVV
$878B
$3.58M 0.03%
17,009
-3,305
-16% -$689K
THRM icon
347
Gentherm
THRM
$1.25B
$3.57M 0.03%
104,185
+4,820
+5% +$183K
MDY icon
348
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$26.6B
$3.56M 0.03%
13,085
+3
+0% +$802
CHRW icon
349
C.H. Robinson
CHRW
$17.4B
$3.54M 0.03%
47,742
+9,191
+24% +$672K
EBAY icon
350
eBay
EBAY
$50.6B
$3.54M 0.03%
151,172
-28,694
-16% -$692K
12 13
14
15 16

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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.