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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
KBWB icon
1451
Invesco KBW Bank ETF
KBWB
$6.86B
$53K ﹤0.01%
914
– –
MDYG icon
1452
State Street SPDR S&P 400 Mid Cap Growth ETF
MDYG
$2.94B
$51K ﹤0.01%
900
– –
TDIV icon
1453
First Trust NASDAQ Technology Dividend Index Fund
TDIV
$4.42B
$51K ﹤0.01%
1,180
– –
BKCC
1454
DELISTED
BlackRock Capital Investment Corporation
BKCC
$51K ﹤0.01%
10,350
– –
ATHX
1455
DELISTED
Athersys, Inc. Common Stock
ATHX
$51K ﹤0.01%
1,650
-54
-3% -$1.77K
DMAC icon
1456
DiaMedica Therapeutics
DMAC
$364M
$49K ﹤0.01%
+10,000
New +$31.1K
MJ icon
1457
Amplify Alternative Harvest ETF
MJ
$105M
$49K ﹤0.01%
239
-179
-43% -$39.4K
PSQ icon
1458
ProShares Short QQQ
PSQ
$722M
$49K ﹤0.01%
400
– –
ECHO
1459
DELISTED
Echo Global Logistics, Inc.
ECHO
$49K ﹤0.01%
2,350
-409
-15% -$8.54K
AIG.WS
1460
DELISTED
American International Group, Inc.
AIG.WS
$48K ﹤0.01%
4,716
+1,015
+27% +$12K
DFE icon
1461
WisdomTree Europe SmallCap Dividend Fund
DFE
$169M
$47K ﹤0.01%
713
– –
SDOG icon
1462
ALPS Sector Dividend Dogs ETF
SDOG
$1.42B
$47K ﹤0.01%
1,000
– –
XME icon
1463
State Street SPDR S&P Metals & Mining ETF
XME
$4.39B
$47K ﹤0.01%
1,610
– –
TRQ
1464
DELISTED
Turquoise Hill Resources Ltd
TRQ
$47K ﹤0.01%
6,446
– –
CVIA
1465
DELISTED
Covia Holdings Corporation Common Stock
CVIA
$47K ﹤0.01%
22,867
-7,500
-25% -$12.1K
RWK icon
1466
Invesco S&P MidCap 400 Revenue ETF
RWK
$1.34B
$46K ﹤0.01%
707
– –
BLV icon
1467
Vanguard Long-Term Bond ETF
BLV
$5.74B
$45K ﹤0.01%
451
+273
+153% +$27.7K
FXL icon
1468
First Trust Technology AlphaDEX Fund
FXL
$2.78B
$45K ﹤0.01%
615
-200
-25% -$13.7K
SLYV icon
1469
State Street SPDR S&P 600 Small Cap Value ETF
SLYV
$5.03B
$45K ﹤0.01%
690
– –
AWRE icon
1470
Aware
AWRE
$27.9M
$44K ﹤0.01%
13,000
– –
FNDX icon
1471
Schwab Fundamental US Large Company Index ETF
FNDX
$27.3B
$44K ﹤0.01%
3,108
-132
-4% -$1.8K
HDSN
1472
Hudson Technologies
HDSN
$236M
$44K ﹤0.01%
45,300
-15,000
-25% -$10.1K
SBUX icon
1473
CALL
Starbucks
SBUX
$121B
$44K ﹤0.01%
500
– –
CGW icon
1474
Invesco S&P Global Water Index ETF
CGW
$1.08B
$43K ﹤0.01%
1,039
+7
+0.7% +$277
IFV icon
1475
First Trust Dorsey Wright International Focus 5 ETF
IFV
$235M
$43K ﹤0.01%
2,000
– –
57 58
59
60 61

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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.