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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
INFY icon
1101
Infosys
INFY
$50.1B
$331K ﹤0.01%
+32,556
New +$331K
CE icon
1102
Celanese
CE
$4.82B
$329K ﹤0.01%
2,883
+44
+2% +$5.04K
PBH icon
1103
Prestige Consumer Healthcare
PBH
$2.58B
$329K ﹤0.01%
8,692
– –
PSLV icon
1104
Sprott Physical Silver Trust
PSLV
$12.8B
$328K ﹤0.01%
61,783
– –
A icon
1105
Agilent Technologies
A
$39.9B
$326K ﹤0.01%
4,615
+180
+4% +$11.9K
IDCC icon
1106
InterDigital
IDCC
$8.47B
$326K ﹤0.01%
4,080
-760
-16% -$62.3K
JAZZ icon
1107
Jazz Pharmaceuticals
JAZZ
$16.7B
$326K ﹤0.01%
1,938
– –
JPC icon
1108
Nuveen Preferred & Income Opportunities Fund
JPC
$2.9B
$325K ﹤0.01%
35,086
– –
NEM icon
1109
Newmont
NEM
$111B
$325K ﹤0.01%
10,749
+3,047
+40% +$103K
SYF icon
1110
Synchrony
SYF
$25.6B
$325K ﹤0.01%
10,455
– –
WBT
1111
DELISTED
Welbilt, Inc.
WBT
$325K ﹤0.01%
15,543
-39,775
-72% -$876K
IQDF icon
1112
FlexShares International Quality Dividend Index Fund
IQDF
$1.16B
$324K ﹤0.01%
+13,499
New +$328K
EV
1113
DELISTED
Eaton Vance Corp.
EV
$323K ﹤0.01%
6,136
+1,944
+46% +$103K
HASI icon
1114
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.89B
$322K ﹤0.01%
15,000
– –
NUE icon
1115
Nucor
NUE
$61.9B
$321K ﹤0.01%
5,065
+4
+0.1% +$256
LLL
1116
DELISTED
L3 Technologies, Inc.
LLL
$321K ﹤0.01%
1,509
+29
+2% +$6.04K
ERF
1117
DELISTED
Enerplus Corporation
ERF
$320K ﹤0.01%
25,915
+209
+0.8% +$2.63K
RBBN icon
1118
Ribbon Communications
RBBN
$376M
$318K ﹤0.01%
46,623
– –
AZZ icon
1119
AZZ Inc
AZZ
$4.53B
$315K ﹤0.01%
6,235
– –
PKX icon
1120
POSCO
PKX
$17B
$315K ﹤0.01%
+4,767
New +$334K
MHK icon
1121
Mohawk Industries
MHK
$8.97B
$314K ﹤0.01%
+1,792
New +$351K
TSN icon
1122
Tyson Foods
TSN
$20.6B
$314K ﹤0.01%
5,277
-400
-7% -$25K
PACW
1123
DELISTED
PacWest Bancorp
PACW
$314K ﹤0.01%
6,585
+1,224
+23% +$61.6K
CASS icon
1124
Cass Information Systems
CASS
$744M
$312K ﹤0.01%
5,746
-1,147
-17% -$66.5K
INFN
1125
DELISTED
Infinera Corporation Common Stock
INFN
$312K ﹤0.01%
42,735
+1,600
+4% +$13.6K
43 44
45
46 47

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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.