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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
RSPH icon
1176
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$764M
$255K ﹤0.01%
14,540
– –
EQM
1177
DELISTED
EQM Midstream Partners, LP
EQM
$255K ﹤0.01%
3,405
-425
-11% -$32K
DSL
1178
DoubleLine Income Solutions Fund
DSL
$1.22B
$253K ﹤0.01%
+11,900
New +$249K
RIO icon
1179
Rio Tinto
RIO
$158B
$253K ﹤0.01%
5,369
-1,632
-23% -$75.9K
WLDN icon
1180
Willdan Group
WLDN
$1.04B
$253K ﹤0.01%
+7,790
New +$249K
DAKT icon
1181
Daktronics
DAKT
$955M
$252K ﹤0.01%
23,800
– –
BOOT icon
1182
Boot Barn
BOOT
$4.51B
$251K ﹤0.01%
+28,160
New +$224K
WGO icon
1183
Winnebago Industries
WGO
$856M
$251K ﹤0.01%
5,619
-1
-0% -$37
DVA icon
1184
DaVita
DVA
$15.4B
$249K ﹤0.01%
4,196
+100
+2% +$6.02K
KDP icon
1185
Keurig Dr Pepper
KDP
$42.3B
$249K ﹤0.01%
2,817
-1,613
-36% -$146K
ACHN
1186
DELISTED
Achillion Pharmaceuticals
ACHN
$249K ﹤0.01%
55,400
-6,800
-11% -$30.2K
AJG icon
1187
Arthur J. Gallagher & Co
AJG
$64.1B
$248K ﹤0.01%
4,027
+123
+3% +$7.24K
SONY icon
1188
Sony
SONY
$137B
$247K ﹤0.01%
33,055
-40,115
-55% -$314K
MLM icon
1189
Martin Marietta Materials
MLM
$31.5B
$246K ﹤0.01%
1,193
+159
+15% +$33.6K
L icon
1190
Loews
L
$23.9B
$245K ﹤0.01%
5,126
-2,984
-37% -$142K
ONC
1191
BeOne Medicines Ltd
ONC
$32.8B
$245K ﹤0.01%
+2,365
New +$176K
ADMS
1192
DELISTED
Adamas Pharmaceuticals
ADMS
$244K ﹤0.01%
+11,520
New +$211K
O icon
1193
Realty Income
O
$59.6B
$241K ﹤0.01%
+4,355
New +$242K
ZVO
1194
DELISTED
Zovio Inc. Common Stock
ZVO
$241K ﹤0.01%
25,089
+2,520
+11% +$26.2K
EV
1195
DELISTED
Eaton Vance Corp.
EV
$241K ﹤0.01%
4,888
+200
+4% +$9.56K
ORBC
1196
DELISTED
ORBCOMM, Inc.
ORBC
$241K ﹤0.01%
22,984
-27,820
-55% -$308K
AVNS
1197
DELISTED
Avanos Medical
AVNS
$237K ﹤0.01%
5,266
-97
-2% -$4.14K
EWZ icon
1198
iShares MSCI Brazil ETF
EWZ
$9.28B
$236K ﹤0.01%
+5,658
New +$221K
FMC icon
1199
FMC
FMC
$1.34B
$236K ﹤0.01%
3,045
-170
-5% -$12.2K
VIOO icon
1200
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.15B
$235K ﹤0.01%
3,472
– –
46 47
48
49 50

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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.