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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
WIP icon
1476
State Street SPDR FTSE International Government Inflation-Protected Bond ETF
WIP
$471M
$43K ﹤0.01%
775
– –
AOM icon
1477
iShares Core Moderate Allocation ETF
AOM
$1.77B
$42K ﹤0.01%
1,056
– –
SCHD icon
1478
Schwab US Dividend Equity ETF
SCHD
$104B
$42K ﹤0.01%
2,199
+1,833
+501% +$34.3K
SCHV
1479
Schwab US Large-Cap Value ETF
SCHV
$16B
$41K ﹤0.01%
2,028
+1,746
+619% +$33.8K
FBT icon
1480
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.73B
$40K ﹤0.01%
266
+141
+113% +$19.4K
SUPN icon
1481
Supernus Pharmaceuticals
SUPN
$2.77B
$40K ﹤0.01%
+1,675
New +$40.7K
JXI icon
1482
iShares Global Utilities ETF
JXI
$309M
$39K ﹤0.01%
672
– –
CSD icon
1483
Invesco S&P Spin-Off ETF
CSD
$228M
$38K ﹤0.01%
760
– –
IPAC icon
1484
iShares Core MSCI Pacific ETF
IPAC
$2.73B
$38K ﹤0.01%
+653
New +$37.9K
MDYV icon
1485
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.81B
$38K ﹤0.01%
692
+92
+15% +$4.85K
PEY icon
1486
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.16B
$38K ﹤0.01%
2,000
– –
HYD icon
1487
VanEck High Yield Muni ETF
HYD
$4.44B
$37K ﹤0.01%
575
-3
-0.5% -$193
RSPU icon
1488
Invesco S&P 500 Equal Weight Utilities ETF
RSPU
$526M
$37K ﹤0.01%
702
+610
+663% +$31.8K
DFJ icon
1489
WisdomTree Japan SmallCap Dividend Fund
DFJ
$397M
$36K ﹤0.01%
486
+1
+0.2% +$73
FPX icon
1490
First Trust US Equity Opportunities ETF
FPX
$1.5B
$36K ﹤0.01%
447
– –
JCP
1491
DELISTED
J.C. Penney Company, Inc.
JCP
$36K ﹤0.01%
32,000
– –
ACRS icon
1492
Aclaris Therapeutics
ACRS
$851M
$35K ﹤0.01%
18,672
-2,530
-12% -$4.19K
VTGN icon
1493
VistaGen Therapeutics
VTGN
$12.9M
$35K ﹤0.01%
1,705
-46,145
-96% -$1.17M
BATRK icon
1494
Atlanta Braves Holdings Series B
BATRK
$3.14B
$34K ﹤0.01%
1,139
– –
DNR
1495
DELISTED
Denbury Resources, Inc.
DNR
$34K ﹤0.01%
23,826
-4,447
-16% -$4.96K
KBA icon
1496
KraneShares Bosera MSCI China A 50 Connect Index ETF
KBA
$148M
$33K ﹤0.01%
+1,000
New +$31.2K
ON icon
1497
ON Semiconductor
ON
$18.7B
$33K ﹤0.01%
1,351
+148
+12% +$3.13K
PSCH icon
1498
Invesco S&P SmallCap Health Care ETF
PSCH
$165M
$33K ﹤0.01%
759
– –
SMOG icon
1499
VanEck Low Carbon Energy ETF
SMOG
$132M
$33K ﹤0.01%
433
– –
SPSM icon
1500
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$17.3B
$33K ﹤0.01%
+1,000
New +$31.2K
58 59
60
61 62

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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.