We are live on ! Find out more
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
PETQ
1026
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
$411K ﹤0.01%
+10,445
New +$348K
KBH icon
1027
KB Home
KBH
$3.49B
$410K ﹤0.01%
17,165
– –
IYH icon
1028
iShares US Healthcare ETF
IYH
$3.5B
$407K ﹤0.01%
10,020
– –
GHDX
1029
DELISTED
Genomic Health, Inc.
GHDX
$407K ﹤0.01%
5,800
+1,600
+38% +$93.6K
FFIN icon
1030
First Financial Bankshares
FFIN
$4.97B
$401K ﹤0.01%
13,580
+1,294
+11% +$37.5K
VCR icon
1031
Vanguard Consumer Discretionary ETF
VCR
$6.24B
$401K ﹤0.01%
2,221
-284
-11% -$50.1K
TT icon
1032
Trane Technologies
TT
$105B
$398K ﹤0.01%
3,895
+835
+27% +$81.6K
GRFS
1033
Grifois
GRFS
$5.33B
$397K ﹤0.01%
18,592
-900
-5% -$19K
CVE icon
1034
Cenovus Energy
CVE
$52.1B
$396K ﹤0.01%
+39,525
New +$386K
MLKN icon
1035
MillerKnoll
MLKN
$1.61B
$395K ﹤0.01%
10,299
+151
+1% +$5.73K
BIV icon
1036
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
$394K ﹤0.01%
4,897
-135
-3% -$10.9K
BN icon
1037
Brookfield
BN
$108B
$394K ﹤0.01%
24,815
– –
USD icon
1038
ProShares Ultra Semiconductors
USD
$2.85B
$394K ﹤0.01%
140,400
– –
IYJ icon
1039
iShares US Industrials ETF
IYJ
$2.02B
$390K ﹤0.01%
4,994
-920
-16% -$69.9K
CABO icon
1040
Cable One
CABO
$252M
$388K ﹤0.01%
439
– –
ROBO icon
1041
ROBO Global Robotics & Automation Index ETF
ROBO
$2.07B
$381K ﹤0.01%
+9,104
New +$375K
AGO icon
1042
Assured Guaranty
AGO
$3.66B
$380K ﹤0.01%
9,000
– –
CORT icon
1043
Corcept Therapeutics
CORT
$11.7B
$379K ﹤0.01%
27,000
– –
PLD icon
1044
Prologis
PLD
$132B
$377K ﹤0.01%
5,566
+1,418
+34% +$93.2K
THS
1045
DELISTED
Treehouse Foods
THS
$375K ﹤0.01%
7,831
-4,870
-38% -$250K
EMLP icon
1046
First Trust North American Energy Infrastructure Fund
EMLP
$4.1B
$372K ﹤0.01%
15,836
-985
-6% -$23.5K
RLI icon
1047
RLI Corp
RLI
$5.91B
$372K ﹤0.01%
9,476
+826
+10% +$31K
FV icon
1048
First Trust Dorsey Wright Focus 5 ETF
FV
$3.7B
$371K ﹤0.01%
12,015
– –
MGEE icon
1049
MGE Energy Inc
MGEE
$3.05B
$371K ﹤0.01%
5,815
– –
XTN icon
1050
State Street SPDR S&P Transportation ETF
XTN
$395M
$371K ﹤0.01%
5,540
+615
+12% +$40.8K
40 41
42
43 44

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

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.