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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
EWZS icon
1626
iShares MSCI Brazil Small-Cap ETF
EWZS
$223M
$5K ﹤0.01%
350
– –
RSPS icon
1627
Invesco S&P 500 Equal Weight Consumer Staples ETF
RSPS
$256M
$5K ﹤0.01%
175
– –
VTWV icon
1628
Vanguard Russell 2000 Value ETF
VTWV
$1.3B
$5K ﹤0.01%
50
– –
IDLB
1629
DELISTED
Invesco FTSE International Low Beta Equal Weight ETF
IDLB
$5K ﹤0.01%
180
– –
FNI
1630
DELISTED
First Trust Chindia ETF
FNI
$5K ﹤0.01%
132
– –
AIA icon
1631
iShares Asia 50 ETF
AIA
$4.7B
$4K ﹤0.01%
66
– –
DXD icon
1632
ProShares UltraShort Dow 30
DXD
$38.4M
$4K ﹤0.01%
30
– –
HURN icon
1633
Huron Consulting
HURN
$2.39B
$4K ﹤0.01%
65
-5,000
-99% -$247K
MLPX icon
1634
Global X MLP & Energy Infrastructure ETF
MLPX
$3.59B
$4K ﹤0.01%
105
– –
NORW icon
1635
Global X MSCI Norway ETF
NORW
$87.5M
$4K ﹤0.01%
202
+4
+2% +$83
RSPU icon
1636
Invesco S&P 500 Equal Weight Utilities ETF
RSPU
$527M
$4K ﹤0.01%
92
– –
SCJ icon
1637
iShares MSCI Japan Small-Cap ETF
SCJ
$261M
$4K ﹤0.01%
55
– –
SQQQ icon
1638
ProShares UltraPro Short QQQ
SQQQ
$1.77B
– –
0
– –
SRLN icon
1639
State Street Blackstone Senior Loan ETF
SRLN
$5.33B
$4K ﹤0.01%
96
– –
EIS icon
1640
iShares MSCI Israel ETF
EIS
$888M
$3K ﹤0.01%
50
– –
ICVT icon
1641
iShares Convertible Bond ETF
ICVT
$7.28B
$3K ﹤0.01%
50
– –
IEZ icon
1642
iShares US Oil Equipment & Services ETF
IEZ
$367M
$3K ﹤0.01%
100
– –
LEGR icon
1643
First Trust Indxx Innovative Transaction & Process ETF
LEGR
$132M
$3K ﹤0.01%
100
– –
SLQD icon
1644
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.37B
$3K ﹤0.01%
65
– –
AIG.WS
1645
DELISTED
American International Group, Inc.
AIG.WS
$3K ﹤0.01%
603
-51
-8% -$332
GUSH icon
1646
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$222M
$2K ﹤0.01%
2
– –
SDS icon
1647
ProShares UltraShort S&P500
SDS
$394M
$2K ﹤0.01%
2
– –
SPFF icon
1648
Global X SuperIncome Preferred ETF
SPFF
$141M
$2K ﹤0.01%
+130
New +$1.49K
WOOD icon
1649
iShares Global Timber & Forestry ETF
WOOD
$270M
$2K ﹤0.01%
+32
New +$2.03K
FNSR
1650
DELISTED
Finisar Corp
FNSR
$2K ﹤0.01%
87
-763
-90% -$17.4K
64 65
66
67 68

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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.