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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
+4.57%
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
$13.3B
AUM Growth
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
UN
226
DELISTED
Unilever NV New York Registry Shares
UN
$10.9M 0.08%
184,708
-3,214
-2% -$188K
XLV icon
227
State Street Health Care Select Sector SPDR ETF
XLV
$41.9B
$10.8M 0.08%
132,722
+8,643
+7% +$694K
IRT icon
228
Independence Realty Trust
IRT
$3.92B
$10.8M 0.08%
1,065,207
+40,688
+4% +$411K
SJM icon
229
J.M. Smucker
SJM
$12.7B
$10.7M 0.08%
102,061
-59,284
-37% -$6.77M
EEM icon
230
iShares MSCI Emerging Markets ETF
EEM
$28.8B
$10.4M 0.08%
232,781
+39,638
+21% +$1.74M
ITA icon
231
iShares US Aerospace & Defense ETF
ITA
$14.2B
$10.4M 0.08%
116,776
-3,294
-3% -$276K
IWF icon
232
iShares Russell 1000 Growth ETF
IWF
$121B
$10.4M 0.08%
332,060
-1,548
-0.5% -$47.4K
BDX icon
233
Becton Dickinson
BDX
$45.6B
$10.3M 0.08%
53,931
+1,675
+3% +$325K
TSCO icon
234
Tractor Supply
TSCO
$16.1B
$10.1M 0.08%
795,910
-1,417,955
-64% -$16.1M
CBOE icon
235
Cboe Global Markets
CBOE
$32.5B
$9.91M 0.07%
92,053
-1,834
-2% -$181K
PANW icon
236
Palo Alto Networks
PANW
$270B
$9.68M 0.07%
403,086
-69,318
-15% -$1.58M
VTI icon
237
Vanguard Morningstar Total Stock Market ETF
VTI
$660B
$9.62M 0.07%
74,254
+1,747
+2% +$221K
TEL icon
238
TE Connectivity
TEL
$59.6B
$9.51M 0.07%
114,524
-2,259
-2% -$182K
MRCY icon
239
Mercury Systems
MRCY
$5.83B
$9.46M 0.07%
182,422
-1,723
-0.9% -$79.4K
HOG icon
240
Harley-Davidson
HOG
$2.58B
$9.4M 0.07%
195,047
-5,712
-3% -$278K
IT icon
241
Gartner
IT
$10.1B
$9.2M 0.07%
73,940
-819
-1% -$101K
QTNA
242
DELISTED
Quantenna Communications, Inc. Common Stock
QTNA
$9.07M 0.07%
+539,590
New +$9.89M
PKOH icon
243
Park-Ohio Holdings
PKOH
$575M
$9.01M 0.07%
197,642
-5,550
-3% -$223K
BMRN icon
244
BioMarin Pharmaceuticals
BMRN
$11.6B
$8.87M 0.07%
95,251
-2,289
-2% -$202K
LKQ icon
245
LKQ Corp
LKQ
$5.68B
$8.83M 0.07%
245,393
-11,836
-5% -$403K
OZK icon
246
Bank OZK
OZK
$5.6B
$8.8M 0.07%
183,169
-164,037
-47% -$7.31M
NVO
247
Novo Nordisk
NVO
$208B
$8.78M 0.07%
364,750
+138,978
+62% +$3.14M
CAVM
248
DELISTED
Cavium, Inc.
CAVM
$8.73M 0.07%
132,418
-16,597
-11% -$1.05M
CVNA icon
249
Carvana
CVNA
$68.6B
$8.57M 0.06%
2,918,190
+963,610
+49% +$3.51M
MU icon
250
Micron Technology
MU
$930B
$8.56M 0.06%
217,625
+6,057
+3% +$192K
8 9
10
11 12

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

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

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.