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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
+563.35%
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
FTSL icon
1551
First Trust Senior Loan Fund ETF
FTSL
$2.32B
$19K ﹤0.01%
400
– –
MLPA icon
1552
Global X MLP ETF
MLPA
$2.26B
$19K ﹤0.01%
408
– –
NE
1553
DELISTED
Noble Corporation
NE
$19K ﹤0.01%
15,465
– –
CQQQ icon
1554
Invesco China Technology ETF
CQQQ
$3.16B
$18K ﹤0.01%
342
+1
+0.3% +$49
CVY icon
1555
Invesco Zacks Multi-Asset Income ETF
CVY
$125M
$18K ﹤0.01%
750
– –
EWW icon
1556
iShares MSCI Mexico ETF
EWW
$1.97B
$18K ﹤0.01%
400
– –
ISCV icon
1557
iShares Morningstar Small-Cap Value ETF
ISCV
$706M
$18K ﹤0.01%
381
-45
-11% -$2.07K
USEQ
1558
DELISTED
Invesco Russell 1000 Enhanced Equal Weight ETF
USEQ
$18K ﹤0.01%
580
– –
CSGS
1559
DELISTED
CSG Systems International
CSGS
$17K ﹤0.01%
326
-6,883
-95% -$371K
DVYE icon
1560
iShares Emerging Markets Dividend ETF
DVYE
$1.22B
$17K ﹤0.01%
419
+5
+1% +$193
GXC icon
1561
State Street SPDR S&P China ETF
GXC
$477M
$17K ﹤0.01%
166
+100
+152% +$9.61K
TDTT icon
1562
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund
TDTT
$2.53B
$16K ﹤0.01%
667
– –
XAR icon
1563
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.38B
$16K ﹤0.01%
151
+12
+9% +$1.3K
AOA icon
1564
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.27B
$15K ﹤0.01%
+262
New +$14.8K
ESGV icon
1565
Vanguard ESG US Stock ETF
ESGV
$13.6B
$15K ﹤0.01%
259
+30
+13% +$1.62K
EWZS icon
1566
iShares MSCI Brazil Small-Cap ETF
EWZS
$226M
$15K ﹤0.01%
725
– –
EZA icon
1567
iShares MSCI South Africa ETF
EZA
$568M
$15K ﹤0.01%
296
– –
GSBD icon
1568
Goldman Sachs BDC
GSBD
$1.01B
$15K ﹤0.01%
+700
New +$14.5K
IXC icon
1569
iShares Global Energy ETF
IXC
$2.75B
$15K ﹤0.01%
472
– –
IDLV icon
1570
Invesco S&P International Developed Low Volatility ETF
IDLV
$344M
$14K ﹤0.01%
+400
New +$13.8K
IGLB icon
1571
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.85B
$14K ﹤0.01%
+215
New +$14.3K
IWY icon
1572
iShares Russell Top 200 Growth ETF
IWY
$16.6B
$14K ﹤0.01%
144
– –
ARC
1573
DELISTED
ARC Document Solutions, Inc.
ARC
$14K ﹤0.01%
10,000
– –
LMBS icon
1574
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.39B
$13K ﹤0.01%
250
– –
RZG icon
1575
Invesco S&P SmallCap 600 Pure Growth ETF
RZG
$143M
$13K ﹤0.01%
330
– –
61 62
63
64 65

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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.