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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
WBD icon
1151
Warner Bros
WBD
$66.2B
$291K ﹤0.01%
9,091
-3,263
-26% -$91.9K
ZION icon
1152
Zions Bancorporation
ZION
$10.3B
$291K ﹤0.01%
5,806
– –
LABL
1153
DELISTED
Multi-Color Corp
LABL
$290K ﹤0.01%
4,651
– –
CBLK
1154
DELISTED
Carbon Black, Inc. Common Stock
CBLK
$287K ﹤0.01%
13,532
-7,955
-37% -$187K
NTLA icon
1155
Intellia Therapeutics
NTLA
$1.57B
$286K ﹤0.01%
10,000
-6,000
-38% -$175K
RQI icon
1156
Cohen & Steers Quality Income Realty Fund
RQI
$1.7B
$286K ﹤0.01%
23,339
+1,035
+5% +$12.7K
AMTD
1157
DELISTED
TD Ameritrade Holding Corp
AMTD
$285K ﹤0.01%
5,400
– –
LKFN icon
1158
Lakeland Financial Corp
LKFN
$1.55B
$284K ﹤0.01%
6,116
– –
LSXMK
1159
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$284K ﹤0.01%
8,572
– –
CSLT
1160
DELISTED
CASTLIGHT HEALTH, INC.
CSLT
$284K ﹤0.01%
105,025
+63,025
+150% +$223K
APAM icon
1161
Artisan Partners
APAM
$3.06B
$283K ﹤0.01%
8,748
+202
+2% +$6.58K
ASR icon
1162
Grupo Aeroportuario del Sureste
ASR
$8.33B
$283K ﹤0.01%
+1,379
New +$253K
EPAC icon
1163
Enerpac Tool Group
EPAC
$1.92B
$283K ﹤0.01%
10,160
– –
HYS icon
1164
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.75B
$283K ﹤0.01%
2,811
-89
-3% -$8.91K
AAC
1165
DELISTED
AAC Holdings
AAC
$283K ﹤0.01%
37,035
-110,390
-75% -$989K
AB icon
1166
AllianceBernstein
AB
$3.47B
$282K ﹤0.01%
9,276
-913
-9% -$27.3K
TVTY
1167
DELISTED
Tivity Health, Inc. Common Stock
TVTY
$281K ﹤0.01%
8,725
-475
-5% -$16.2K
HCAP
1168
DELISTED
Harvest Capital Credit Corporation
HCAP
$281K ﹤0.01%
25,840
+3,000
+13% +$33.2K
ING icon
1169
ING
ING
$102B
$280K ﹤0.01%
21,574
-541
-2% -$7.59K
TNL icon
1170
Travel + Leisure Co
TNL
$4.74B
$280K ﹤0.01%
6,448
-20
-0.3% -$887
DSL
1171
DoubleLine Income Solutions Fund
DSL
$1.23B
$279K ﹤0.01%
13,835
-9,900
-42% -$200K
TCRT icon
1172
Alaunos Therapeutics
TCRT
$4.86M
$279K ﹤0.01%
581
– –
IRIX icon
1173
IRIDEX
IRIX
$14.6M
$277K ﹤0.01%
43,600
– –
PEGI
1174
DELISTED
Pattern Energy Group Inc. Class A
PEGI
$276K ﹤0.01%
13,900
+900
+7% +$17.4K
AGCO icon
1175
AGCO
AGCO
$7.12B
$275K ﹤0.01%
4,520
+1
+0% +$60
45 46
47
48 49

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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.