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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
HPE icon
1076
Hewlett Packard
HPE
$69.4B
$346K ﹤0.01%
21,195
+367
+2% +$5.88K
OPPE
1077
WisdomTree European Opportunities Fund
OPPE
$294M
$345K ﹤0.01%
11,400
+6,400
+128% +$195K
UA icon
1078
Under Armour Class C
UA
$2.67B
$345K ﹤0.01%
17,714
-20,353
-53% -$393K
ALK icon
1079
Alaska Air
ALK
$5.66B
$344K ﹤0.01%
+5,002
New +$324K
KIDS icon
1080
OrthoPediatrics
KIDS
$586M
$343K ﹤0.01%
+9,360
New +$287K
PAAS icon
1081
Pan American Silver
PAAS
$20.2B
$343K ﹤0.01%
23,242
– –
LL
1082
DELISTED
LL Flooring Holdings, Inc.
LL
$342K ﹤0.01%
22,100
+800
+4% +$16.1K
WFT
1083
DELISTED
Weatherford International plc
WFT
$342K ﹤0.01%
126,129
-3,387
-3% -$9.94K
AMBA icon
1084
Ambarella
AMBA
$3.68B
$341K ﹤0.01%
+8,822
New +$342K
VYMI icon
1085
Vanguard International High Dividend Yield ETF
VYMI
$20.8B
$341K ﹤0.01%
5,424
+300
+6% +$18.9K
CWI icon
1086
State Street SPDR MSCI ACWI ex-US ETF
CWI
$2.83B
$340K ﹤0.01%
13,644
-44
-0.3% -$1.09K
OGS icon
1087
ONE Gas
OGS
$5B
$340K ﹤0.01%
4,131
+127
+3% +$9.94K
URTH icon
1088
iShares MSCI World ETF
URTH
$8.2B
$340K ﹤0.01%
3,700
+365
+11% +$32.9K
VIOO icon
1089
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.22B
$340K ﹤0.01%
4,262
– –
LRCX icon
1090
Lam Research
LRCX
$383B
$339K ﹤0.01%
22,330
-13,110
-37% -$224K
OVV icon
1091
Ovintiv
OVV
$16.6B
$338K ﹤0.01%
+5,155
New +$334K
CCL icon
1092
Carnival Corporation Ltd
CCL
$39.4B
$337K ﹤0.01%
5,284
-205
-4% -$12.4K
FRA icon
1093
BlackRock Floating Rate Income Strategies Fund
FRA
$384M
$337K ﹤0.01%
+24,418
New +$338K
CHX
1094
DELISTED
ChampionX
CHX
$335K ﹤0.01%
7,680
-3,102
-29% -$130K
PE
1095
DELISTED
PARSLEY ENERGY INC
PE
$335K ﹤0.01%
11,436
– –
DES icon
1096
WisdomTree US SmallCap Dividend Fund
DES
$2.21B
$333K ﹤0.01%
11,196
+535
+5% +$16.1K
WH icon
1097
Wyndham Hotels & Resorts
WH
$5.58B
$333K ﹤0.01%
6,000
-20
-0.3% -$1.15K
CWEN icon
1098
Clearway Energy Class C
CWEN
$5.12B
$332K ﹤0.01%
17,224
– –
FMC icon
1099
FMC
FMC
$1.32B
$332K ﹤0.01%
4,387
+802
+22% +$60.4K
SLAB icon
1100
Silicon Laboratories
SLAB
$7.21B
$332K ﹤0.01%
3,620
– –
42 43
44
45 46

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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.