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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
AEM icon
1001
Agnico Eagle Mines
AEM
$85B
$432K ﹤0.01%
12,629
+25
+0.2% +$973
MPWR icon
1002
Monolithic Power Systems
MPWR
$66.8B
$432K ﹤0.01%
3,438
-1,846
-35% -$257K
IPAR icon
1003
Interparfums
IPAR
$3.81B
$431K ﹤0.01%
6,684
– –
LOXO
1004
DELISTED
Loxo Oncology, Inc
LOXO
$430K ﹤0.01%
2,519
-141
-5% -$23.7K
TLTD icon
1005
FlexShares Morningstar Developed Markets ex-US Factor Tilt Index Fund
TLTD
$681M
$429K ﹤0.01%
+6,579
New +$428K
VSS icon
1006
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$11.7B
$428K ﹤0.01%
3,812
-85
-2% -$9.69K
EVV
1007
Eaton Vance Limited Duration Income Fund
EVV
$1.07B
$427K ﹤0.01%
33,680
-14,279
-30% -$181K
SCHF icon
1008
Schwab International Equity ETF
SCHF
$68B
$427K ﹤0.01%
25,488
-466
-2% -$7.75K
LMRK
1009
DELISTED
Landmark Infrastructure Partners LP Common Units
LMRK
$427K ﹤0.01%
30,851
+27
+0.1% +$362
SONY icon
1010
Sony
SONY
$136B
$426K ﹤0.01%
+35,085
New +$386K
SPOT icon
1011
Spotify
SPOT
$97.7B
$426K ﹤0.01%
2,357
+885
+60% +$162K
EDIT icon
1012
Editas Medicine
EDIT
$445M
$423K ﹤0.01%
13,300
+1,700
+15% +$54.9K
SEIC icon
1013
SEI Investments
SEIC
$12.6B
$423K ﹤0.01%
6,926
-992
-13% -$61.5K
WDFC icon
1014
WD-40
WDFC
$3.1B
$423K ﹤0.01%
2,460
+471
+24% +$78.8K
EEFT icon
1015
Euronet Worldwide
EEFT
$2.73B
$421K ﹤0.01%
4,200
+1,496
+55% +$141K
SRG
1016
Seritage Growth Properties
SRG
$136M
$421K ﹤0.01%
8,855
+1
+0% +$47
ADX icon
1017
Adams Diversified Equity Fund
ADX
$3.17B
$420K ﹤0.01%
25,204
-4,698
-16% -$76K
PRAH
1018
DELISTED
PRA Health Sciences, Inc.
PRAH
$420K ﹤0.01%
3,810
– –
BAP icon
1019
Credicorp
BAP
$31.2B
$418K ﹤0.01%
1,875
+21
+1% +$4.7K
EWX icon
1020
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$688M
$417K ﹤0.01%
9,300
+3,240
+53% +$151K
CM icon
1021
Canadian Imperial Bank of Commerce
CM
$108B
$416K ﹤0.01%
8,868
+1,892
+27% +$86.9K
PEG icon
1022
Public Service Enterprise Group
PEG
$37.4B
$416K ﹤0.01%
7,875
+464
+6% +$24.2K
SRC
1023
DELISTED
SPIRIT REALTY CAPITAL, INC.
SRC
$415K ﹤0.01%
10,300
– –
VVC
1024
DELISTED
Vectren Corporation
VVC
$413K ﹤0.01%
5,772
-330
-5% -$23.6K
BNS icon
1025
Scotiabank
BNS
$108B
$411K ﹤0.01%
6,900
-230
-3% -$13.4K
39 40
41
42 43

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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.