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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
RWR icon
1426
State Street SPDR Dow Jones REIT ETF
RWR
$1.97B
$69K ﹤0.01%
676
-876
-56% -$90.7K
HEWG
1427
DELISTED
iShares Currency Hedged MSCI Germany ETF
HEWG
$69K ﹤0.01%
2,396
– –
BBH icon
1428
VanEck Biotech ETF
BBH
$418M
$68K ﹤0.01%
491
+50
+11% +$6.57K
SDOW icon
1429
ProShares UltraPro Short Dow 30
SDOW
$138M
$68K ﹤0.01%
112
– –
WTV icon
1430
WisdomTree US Value Fund
WTV
$3.36B
$68K ﹤0.01%
1,430
– –
HCR
1431
DELISTED
Hi-Crush Inc. Common Stock
HCR
$67K ﹤0.01%
75,350
-10,300
-12% -$10.9K
ICF icon
1432
iShares Select U.S. REIT ETF
ICF
$2.1B
$66K ﹤0.01%
1,126
+56
+5% +$3.29K
SMLF icon
1433
iShares US Small Cap Equity Factor ETF
SMLF
$4.26B
$65K ﹤0.01%
1,520
– –
DOL icon
1434
WisdomTree True Developed International Fund
DOL
$843M
$64K ﹤0.01%
1,310
-615
-32% -$29.2K
EWT icon
1435
iShares MSCI Taiwan ETF
EWT
$10.7B
$64K ﹤0.01%
1,550
– –
IOO icon
1436
iShares Global 100 ETF
IOO
$9.22B
$64K ﹤0.01%
1,181
+10
+0.9% +$515
SPXU icon
1437
ProShares UltraPro Short S&P 500
SPXU
$391M
$64K ﹤0.01%
32
– –
QDF icon
1438
FlexShares Quality Dividend Index Fund
QDF
$2.27B
$63K ﹤0.01%
1,296
+3
+0.2% +$141
SPYD icon
1439
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$8.79B
$63K ﹤0.01%
1,603
– –
SWN
1440
DELISTED
Southwestern Energy Company
SWN
$63K ﹤0.01%
26,079
-13,894
-35% -$28.7K
FSK icon
1441
FS KKR Capital
FSK
$3.42B
$61K ﹤0.01%
2,500
– –
IVOV icon
1442
Vanguard S&P Mid-Cap 400 Value ETF
IVOV
$1.37B
$59K ﹤0.01%
902
– –
DTH icon
1443
WisdomTree International High Dividend Fund
DTH
$662M
$58K ﹤0.01%
1,368
– –
OUSM icon
1444
ALPS O'Shares US Small-Cap Quality Dividend ETF
OUSM
$907M
$58K ﹤0.01%
1,966
– –
SPTL icon
1445
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.6B
$57K ﹤0.01%
1,458
-707
-33% -$28.3K
RZV icon
1446
Invesco S&P SmallCap 600 Pure Value ETF
RZV
$302M
$56K ﹤0.01%
800
+500
+167% +$33.2K
BEST
1447
DELISTED
BEST Inc. American Depositary Shares, each representing twenty (20) Class A Ordinary Shares
BEST
$56K ﹤0.01%
500
– –
RESE
1448
DELISTED
WisdomTree Emerging Markets ESG Fund
RESE
$56K ﹤0.01%
1,701
+6
+0.4% +$189
SQQQ icon
1449
ProShares UltraPro Short QQQ
SQQQ
$1.72B
$55K ﹤0.01%
4
– –
DIG icon
1450
ProShares Ultra Energy
DIG
$78.1M
$53K ﹤0.01%
1,672
– –
56 57
58
59 60

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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.