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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
+10.92%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$16.3B
AUM Growth
+$1.62B
Cap. Flow
+$161M
Cap. Flow %
0.98%
Top 10 Hldgs %
21.12%
Holding
1,696
New
110
Increased
623
Reduced
570
Closed
77

Top Buys

Rank Stock Value
1
DLB icon
Dolby
DLB
+$37M
2
DSI icon
iShares MSCI KLD 400 Social ETF
DSI
+$20M
3
PGR icon
Progressive
PGR
+$19.6M
4
KMX icon
CarMax
KMX
+$19.2M
5
TYL icon
Tyler Technologies
TYL
+$18.5M

Top Sells

Rank Stock Value
1
SBUX icon
Starbucks
SBUX
+$35.1M
2
META icon
Meta Platforms (Facebook)
META
+$18.3M
3
INGN icon
Inogen
INGN
+$14.6M
4
MKTX icon
MarketAxess Holdings
MKTX
+$13M
5
PF
Pinnacle Foods, Inc.
PF
+$12.6M

Sector Composition

Rank Sector Weight
1 Technology 21.34%
2 Healthcare 18.9%
3 Financials 12.91%
4 Industrials 9.71%
5 Consumer Discretionary 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EXG icon
826
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$3.05B
$750K ﹤0.01%
78,944
-97
-0.1% -$928
DCP
827
DELISTED
DCP Midstream, LP
DCP
$749K ﹤0.01%
18,920
-1,840
-9% -$77.4K
WSM icon
828
Williams-Sonoma
WSM
$29.5B
$748K ﹤0.01%
22,766
-13,574
-37% -$430K
IONS icon
829
Ionis Pharmaceuticals
IONS
$9.37B
$747K ﹤0.01%
14,476
– –
CNC icon
830
Centene
CNC
$32.5B
$745K ﹤0.01%
10,292
+5,418
+111% +$376K
XLB icon
831
State Street Materials Select Sector SPDR ETF
XLB
$8.66B
$743K ﹤0.01%
25,650
-7,258
-22% -$214K
EEP
832
DELISTED
Enbridge Energy Partners
EEP
$741K ﹤0.01%
67,427
+1,000
+2% +$11.2K
CWB icon
833
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.69B
$740K ﹤0.01%
13,722
+1,013
+8% +$54.3K
LUMN icon
834
Lumen
LUMN
$6.53B
$739K ﹤0.01%
34,853
+3,547
+11% +$74.2K
FRC
835
DELISTED
First Republic Bank
FRC
$734K ﹤0.01%
7,648
-525
-6% -$52.8K
PRU icon
836
Prudential Financial
PRU
$42B
$733K ﹤0.01%
7,239
-141
-2% -$13.9K
SODA
837
DELISTED
SodaStream International Ltd
SODA
$730K ﹤0.01%
5,105
-7,385
-59% -$889K
BRKL
838
DELISTED
Brookline Bancorp
BRKL
$727K ﹤0.01%
43,556
+9,500
+28% +$172K
CTXS
839
DELISTED
Citrix Systems Inc
CTXS
$727K ﹤0.01%
6,540
+64
+1% +$7.08K
GDOT icon
840
Green Dot
GDOT
$743M
$721K ﹤0.01%
8,120
– –
THRM icon
841
Gentherm
THRM
$1.27B
$716K ﹤0.01%
15,755
– –
FTA icon
842
First Trust Large Cap Value AlphaDEX Fund
FTA
$1.41B
$715K ﹤0.01%
13,211
+797
+6% +$43.1K
SAN icon
843
Banco Santander
SAN
$210B
$713K ﹤0.01%
148,734
+83,990
+130% +$423K
ENLK
844
DELISTED
EnLink Midstream Partners, LP
ENLK
$710K ﹤0.01%
38,065
– –
NLY icon
845
Annaly Capital Management
NLY
$17.4B
$709K ﹤0.01%
17,334
-336
-2% -$14.1K
GMED icon
846
Globus Medical
GMED
$11.1B
$703K ﹤0.01%
12,380
– –
SR icon
847
Spire
SR
$4.85B
$703K ﹤0.01%
9,560
-574
-6% -$42.4K
ADI icon
848
Analog Devices
ADI
$190B
$701K ﹤0.01%
7,586
+45
+0.6% +$4.32K
COHR icon
849
Coherent
COHR
$73.6B
$689K ﹤0.01%
14,558
+2,353
+19% +$107K
LNG icon
850
Cheniere Energy
LNG
$53.4B
$688K ﹤0.01%
9,900
– –
32 33
34
35 36

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William Blair & Company's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair & Company held 1,696 positions worth $16.3B, up 11% from $14.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q3 2018 filing shows 110 new, 623 increased, 570 reduced and 77 closed positions. Its largest new stake was Marvell Technology: 234,218 shares worth $4.52M. The largest sale was Starbucks, an estimated $35.1M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2018 buy was Marvell Technology: 234,218 shares worth $4.52M.
  • William Blair & Company added most to Dolby in Q3 2018, an estimated $37M increase.
  • William Blair & Company's biggest Q3 2018 reduction was Starbucks, cutting an estimated $35.1M.
  • William Blair & Company fully exited Williams Partners L.P. in Q3 2018, selling an estimated $7.8M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.3B portfolio in Q3 2018.
  • William Blair & Company opened 110 new positions and closed 77 in Q3 2018.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $16.3B.

Based on William Blair & Company's 13F filing for Q3 2018, filed 13 Nov 2018.