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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
+23.04%
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
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Top Sells

Rank Stock Value
1
TTE icon
TotalEnergies
TTE
+$155M
2
RHT
Red Hat Inc
RHT
+$73.4M
3
ULTI
Ultimate Software Group Inc
ULTI
+$70.6M
4
INGN icon
Inogen
INGN
+$25.8M
5
CELG
Celgene Corp
CELG
+$20.1M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FTDR icon
1126
Frontdoor
FTDR
$6.51B
$311K ﹤0.01%
9,047
+303
+3% +$9.25K
AMTD
1127
DELISTED
TD Ameritrade Holding Corp
AMTD
$310K ﹤0.01%
6,198
+798
+15% +$43.2K
ABM icon
1128
ABM Industries
ABM
$2.88B
$309K ﹤0.01%
8,500
-73
-0.9% -$2.54K
RMAX icon
1129
RE/MAX Holdings
RMAX
$244M
$309K ﹤0.01%
8,028
-637
-7% -$24.4K
LLL
1130
DELISTED
L3 Technologies, Inc.
LLL
$309K ﹤0.01%
1,496
+153
+11% +$30.3K
FDD icon
1131
First Trust STOXX European Select Dividend Income Fund
FDD
$908M
$308K ﹤0.01%
23,994
-750
-3% -$9.5K
IGF icon
1132
iShares Global Infrastructure ETF
IGF
$10.8B
$308K ﹤0.01%
6,863
-1,413
-17% -$60.6K
XMMO icon
1133
Invesco S&P MidCap Momentum ETF
XMMO
$7.5B
$308K ﹤0.01%
5,450
– –
DBC icon
1134
Invesco DB Commodity Index Tracking Fund
DBC
$1.67B
$307K ﹤0.01%
19,284
-8,534
-31% -$134K
OTEX icon
1135
Open Text
OTEX
$5.97B
$307K ﹤0.01%
8,000
-223
-3% -$8.15K
IAT icon
1136
iShares US Regional Banks ETF
IAT
$682M
$306K ﹤0.01%
7,054
+308
+5% +$13.9K
PEGI
1137
DELISTED
Pattern Energy Group Inc. Class A
PEGI
$306K ﹤0.01%
13,900
– –
RLI icon
1138
RLI Corp
RLI
$5.92B
$305K ﹤0.01%
8,512
-738
-8% -$25.4K
ACIW icon
1139
ACI Worldwide
ACIW
$5.51B
$303K ﹤0.01%
9,211
+188
+2% +$5.73K
ACRS icon
1140
Aclaris Therapeutics
ACRS
$838M
$303K ﹤0.01%
50,656
-6,072
-11% -$40.2K
MLPI
1141
DELISTED
UBS E-TRACS Alerian MLP Infrastructure ETN
MLPI
$303K ﹤0.01%
12,257
-2,627
-18% -$57.9K
SHG icon
1142
Shinhan Financial Group
SHG
$35.5B
$302K ﹤0.01%
8,120
– –
LKFN icon
1143
Lakeland Financial Corp
LKFN
$1.54B
$301K ﹤0.01%
6,116
– –
MRO
1144
DELISTED
Marathon Oil Corporation
MRO
$300K ﹤0.01%
17,933
+561
+3% +$9.17K
TIF
1145
DELISTED
Tiffany & Co.
TIF
$300K ﹤0.01%
+2,841
New +$261K
VIOO icon
1146
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.25B
$299K ﹤0.01%
4,262
– –
TLND
1147
DELISTED
Talend S.A. American Depositary Shares
TLND
$296K ﹤0.01%
+5,860
New +$250K
CABO icon
1148
Cable One
CABO
$215M
$294K ﹤0.01%
300
– –
ICF icon
1149
iShares Select U.S. REIT ETF
ICF
$2.1B
$293K ﹤0.01%
5,268
– –
SLAB icon
1150
Silicon Laboratories
SLAB
$7.22B
$293K ﹤0.01%
3,620
– –
44 45
46
47 48

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William Blair & Company's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.