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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
+9.1%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$19.5B
AUM Growth
+$2.1B
Cap. Flow
+$465M
Cap. Flow %
2.39%
Top 10 Hldgs %
22.3%
Holding
1,847
New
125
Increased
679
Reduced
598
Closed
120

Top Buys

Rank Stock Value
1
ANET icon
Arista Networks
ANET
+$24M
2
DIS icon
Walt Disney
DIS
+$22.5M
3
PYPL icon
PayPal
PYPL
+$21.1M
4
AXP icon
American Express
AXP
+$18.6M
5
NOW icon
ServiceNow
NOW
+$15.5M

Top Sells

Rank Stock Value
1
CELG
Celgene Corp
CELG
+$25M
2
ULTA icon
Ulta Beauty
ULTA
+$21.8M
3
EOG icon
EOG Resources
EOG
+$20.9M
4
ABMD
Abiomed Inc
ABMD
+$16.3M
5
GRUB
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
+$11.2M

Sector Composition

Rank Sector Weight
1 Technology 23.46%
2 Healthcare 17.35%
3 Financials 13.04%
4 Consumer Discretionary 9.94%
5 Industrials 9.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ENSV
1626
DELISTED
Enservco Corp.
ENSV
$5K ﹤0.01%
1,700
– –
IDLB
1627
DELISTED
Invesco FTSE International Low Beta Equal Weight ETF
IDLB
$5K ﹤0.01%
180
– –
AIA icon
1628
iShares Asia 50 ETF
AIA
$4.76B
$4K ﹤0.01%
66
– –
FXN icon
1629
First Trust Energy AlphaDEX Fund
FXN
$363M
$4K ﹤0.01%
419
– –
FXO icon
1630
First Trust Financials AlphaDEX Fund
FXO
$1.15B
$4K ﹤0.01%
115
– –
GURU icon
1631
Global X Guru Index ETF
GURU
$63.1M
$4K ﹤0.01%
100
– –
MLPX icon
1632
Global X MLP & Energy Infrastructure ETF
MLPX
$3.54B
$4K ﹤0.01%
105
– –
REZ icon
1633
iShares Residential and Multisector Real Estate ETF
REZ
$879M
$4K ﹤0.01%
50
– –
SCJ icon
1634
iShares MSCI Japan Small-Cap ETF
SCJ
$261M
$4K ﹤0.01%
55
– –
SPHQ icon
1635
Invesco S&P 500 Quality ETF
SPHQ
$19.9B
$4K ﹤0.01%
100
– –
SRLN icon
1636
State Street Blackstone Senior Loan ETF
SRLN
$5.33B
$4K ﹤0.01%
96
– –
EIS icon
1637
iShares MSCI Israel ETF
EIS
$884M
$3K ﹤0.01%
50
– –
EPHE icon
1638
iShares MSCI Philippines ETF
EPHE
$145M
$3K ﹤0.01%
80
– –
FNCL icon
1639
Fidelity MSCI Financials Index ETF
FNCL
$2.42B
$3K ﹤0.01%
+75
New +$3.18K
IHF icon
1640
iShares US Healthcare Providers ETF
IHF
$1.26B
$3K ﹤0.01%
80
– –
LEGR icon
1641
First Trust Indxx Innovative Transaction & Process ETF
LEGR
$133M
$3K ﹤0.01%
100
– –
PARAA
1642
DELISTED
Paramount Global Class A
PARAA
$3K ﹤0.01%
+75
New +$3.18K
SLQD icon
1643
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$3K ﹤0.01%
65
– –
THD icon
1644
iShares MSCI Thailand ETF
THD
$367M
$3K ﹤0.01%
32
– –
VLUE icon
1645
iShares MSCI USA Value Factor ETF
VLUE
$9.42B
$3K ﹤0.01%
29
– –
VXX icon
1646
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$148M
$3K ﹤0.01%
+3
New +$3.63K
WOOD icon
1647
iShares Global Timber & Forestry ETF
WOOD
$271M
$3K ﹤0.01%
48
+16
+50% +$1.02K
NORW
1648
DELISTED
Global X MSCI Norway ETF
NORW
$3K ﹤0.01%
256
– –
FAN icon
1649
First Trust Global Wind Energy ETF
FAN
$274M
$2K ﹤0.01%
+159
New +$2.19K
IMCV icon
1650
iShares Morningstar Mid-Cap Value ETF
IMCV
$1.15B
$2K ﹤0.01%
30
– –
64 65
66
67 68

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William Blair & Company's Q4 2019 Portfolio in Review

As of Q4 2019, William Blair & Company held 1,847 positions worth $19.5B, up 12% from $17.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q4 2019 filing shows 125 new, 679 increased, 598 reduced and 120 closed positions. Its largest new stake was Dynatrace: 165,602 shares worth $4.19M. The largest sale was Celgene Corp, an estimated $25M.

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

  • William Blair & Company's largest Q4 2019 buy was Dynatrace: 165,602 shares worth $4.19M.
  • William Blair & Company added most to Arista Networks in Q4 2019, an estimated $24M increase.
  • William Blair & Company's biggest Q4 2019 reduction was Ulta Beauty, cutting an estimated $21.8M.
  • William Blair & Company fully exited Celgene Corp in Q4 2019, selling an estimated $25M.
  • William Blair & Company's ten largest holdings make up 22% of its $19.5B portfolio in Q4 2019.
  • William Blair & Company opened 125 new positions and closed 120 in Q4 2019.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $19.5B.

Based on William Blair & Company's 13F filing for Q4 2019, filed 13 Feb 2020.