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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
RFDI icon
1226
First Trust RiverFront Dynamic Developed International ETF
RFDI
$165M
$213K ﹤0.01%
+3,377
New +$209K
CIEN icon
1227
Ciena
CIEN
$53.4B
$212K ﹤0.01%
9,634
+73
+0.8% +$1.75K
PFG icon
1228
Principal Financial Group
PFG
$24.3B
$212K ﹤0.01%
3,295
+20
+0.6% +$1.29K
SPHD icon
1229
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.34B
$212K ﹤0.01%
+5,169
New +$209K
CRZO
1230
DELISTED
Carrizo Oil & Gas Inc
CRZO
$212K ﹤0.01%
+12,381
New +$181K
DG icon
1231
Dollar General
DG
$28B
$211K ﹤0.01%
2,608
-195
-7% -$14.6K
LTC
1232
LTC Properties
LTC
$2.06B
$211K ﹤0.01%
+4,497
New +$221K
SLP icon
1233
Simulations Plus
SLP
$369M
$211K ﹤0.01%
13,597
+320
+2% +$4.65K
MSBI icon
1234
Midland States Bancorp
MSBI
$699M
$210K ﹤0.01%
6,629
– –
DPZ icon
1235
Domino's
DPZ
$11.5B
$209K ﹤0.01%
+1,051
New +$205K
IFN
1236
Aberdeen India Fund
IFN
$499M
$209K ﹤0.01%
7,808
-500
-6% -$13.9K
BGC icon
1237
BGC Group
BGC
$5.45B
$208K ﹤0.01%
+22,338
New +$187K
EWL icon
1238
iShares MSCI Switzerland ETF
EWL
$2.19B
$206K ﹤0.01%
+5,894
New +$203K
GL icon
1239
Globe Life
GL
$14.2B
$206K ﹤0.01%
+2,568
New +$200K
HST icon
1240
Host Hotels & Resorts
HST
$17.2B
$206K ﹤0.01%
+11,148
New +$203K
LBRDK icon
1241
Liberty Broadband Class C
LBRDK
$4.88B
$206K ﹤0.01%
+2,165
New +$208K
SLAB icon
1242
Silicon Laboratories
SLAB
$7.17B
$206K ﹤0.01%
+2,580
New +$192K
DOC
1243
DELISTED
PHYSICIANS REALTY TRUST
DOC
$206K ﹤0.01%
+11,615
New +$214K
ARI
1244
Apollo Commercial Real Estate
ARI
$867M
$205K ﹤0.01%
11,325
– –
OMER icon
1245
Omeros
OMER
$857M
$205K ﹤0.01%
+9,500
New +$201K
FEI
1246
DELISTED
FIRST TRUST MLP AND ENERGY INCOME FUND
FEI
$205K ﹤0.01%
+13,450
New +$205K
GARS
1247
DELISTED
Garrison Capital Inc.
GARS
$205K ﹤0.01%
24,375
-42,275
-63% -$350K
AMRB
1248
DELISTED
American River Bankshares
AMRB
$204K ﹤0.01%
14,776
– –
KLAC icon
1249
KLA
KLAC
$239B
$202K ﹤0.01%
+19,100
New +$182K
GLRE icon
1250
Greenlight Captial
GLRE
$552M
$201K ﹤0.01%
+9,305
New +$201K
48 49
50
51 52

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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.