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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
MAG
1176
DELISTED
MAG Silver
MAG
$289K ﹤0.01%
24,374
+9,100
+60% +$93.8K
B
1177
Barrick Mining
B
$73.2B
$288K ﹤0.01%
15,509
-2,476
-14% -$42.5K
OHI icon
1178
Omega Healthcare
OHI
$14.7B
$288K ﹤0.01%
6,807
+7
+0.1% +$296
RSPH icon
1179
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$784M
$288K ﹤0.01%
13,000
– –
MCHI icon
1180
iShares MSCI China ETF
MCHI
$6.38B
$287K ﹤0.01%
4,480
+3,949
+744% +$236K
MLKN icon
1181
MillerKnoll
MLKN
$1.67B
$287K ﹤0.01%
6,900
+900
+15% +$41.7K
DVN icon
1182
Devon Energy
DVN
$47.3B
$286K ﹤0.01%
11,016
-8,969
-45% -$202K
IAA
1183
DELISTED
IAA, Inc. Common Stock
IAA
$286K ﹤0.01%
6,077
+533
+10% +$22.4K
PS
1184
DELISTED
Pluralsight, Inc. Class A Common Stock
PS
$286K ﹤0.01%
16,600
-2,300
-12% -$39.1K
AYX
1185
DELISTED
Alteryx Inc
AYX
$285K ﹤0.01%
2,850
+15
+0.5% +$1.52K
IYC icon
1186
iShares US Consumer Discretionary ETF
IYC
$1.23B
$283K ﹤0.01%
4,968
– –
CORT icon
1187
Corcept Therapeutics
CORT
$12B
$281K ﹤0.01%
23,206
-739
-3% -$10.3K
NFG icon
1188
National Fuel Gas
NFG
$7.65B
$281K ﹤0.01%
6,046
-2,000
-25% -$91.2K
AGEN
1189
Agenus
AGEN
$290M
$278K ﹤0.01%
3,475
+530
+18% +$35.6K
BNDX icon
1190
Vanguard Total International Bond ETF
BNDX
$82.2B
$278K ﹤0.01%
4,910
+1,061
+28% +$61.6K
NTES icon
1191
NetEase
NTES
$84.7B
$278K ﹤0.01%
+4,525
New +$265K
VCR icon
1192
Vanguard Consumer Discretionary ETF
VCR
$6.33B
$278K ﹤0.01%
1,465
-498
-25% -$91.1K
VXUS icon
1193
Vanguard Total International Stock ETF
VXUS
$160B
$278K ﹤0.01%
+4,985
New +$268K
GVI icon
1194
iShares Intermediate Government/Credit Bond ETF
GVI
$3.78B
$276K ﹤0.01%
2,448
+2
+0.1% +$226
ETR icon
1195
Entergy
ETR
$50B
$275K ﹤0.01%
+4,594
New +$271K
XLG icon
1196
Invesco S&P 500 Top 50 ETF
XLG
$11B
$275K ﹤0.01%
11,780
+3,830
+48% +$85.1K
EMB icon
1197
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.7B
$273K ﹤0.01%
2,381
-3,425
-59% -$387K
EWC icon
1198
iShares MSCI Canada ETF
EWC
$6.33B
$273K ﹤0.01%
9,147
+5,918
+183% +$173K
FTSM icon
1199
First Trust Enhanced Short Maturity ETF
FTSM
$6.5B
$272K ﹤0.01%
4,524
+1,617
+56% +$97.2K
ESTC icon
1200
Elastic
ESTC
$7.81B
$270K ﹤0.01%
+4,200
New +$308K
46 47
48
49 50

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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.