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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
ARI
701
Apollo Commercial Real Estate
ARI
$876M
$1.36M 0.01%
74,450
+7,050
+10% +$130K
CTLT
702
DELISTED
CATALENT, INC.
CTLT
$1.36M 0.01%
24,087
+4,495
+23% +$229K
DSI icon
703
iShares MSCI KLD 400 Social ETF
DSI
$5.51B
$1.35M 0.01%
22,536
– –
VCSH icon
704
Vanguard Short-Term Corporate Bond ETF
VCSH
$44.7B
$1.35M 0.01%
16,687
+1,532
+10% +$124K
JCI icon
705
Johnson Controls International
JCI
$93.6B
$1.34M 0.01%
33,004
+838
+3% +$35.4K
GPC icon
706
Genuine Parts
GPC
$18.3B
$1.34M 0.01%
12,638
-5,654
-31% -$581K
XRAY icon
707
Dentsply Sirona
XRAY
$2.64B
$1.34M 0.01%
23,699
+3,217
+16% +$179K
MXIM
708
DELISTED
Maxim Integrated Products
MXIM
$1.34M 0.01%
21,743
+97
+0.4% +$5.65K
BPOP icon
709
Popular Inc
BPOP
$11.2B
$1.33M 0.01%
22,700
-1,600
-7% -$89.3K
XEC
710
DELISTED
CIMAREX ENERGY CO
XEC
$1.3M 0.01%
24,810
-7,087
-22% -$330K
NVO
711
Novo Nordisk
NVO
$203B
$1.3M 0.01%
44,922
+15,480
+53% +$429K
HCA icon
712
HCA Healthcare
HCA
$88.5B
$1.3M 0.01%
8,776
+998
+13% +$134K
HSIC icon
713
Henry Schein
HSIC
$9.83B
$1.29M 0.01%
19,292
+2,317
+14% +$153K
BUSE icon
714
First Busey Corp
BUSE
$2.59B
$1.28M 0.01%
46,520
– –
NEM icon
715
Newmont
NEM
$111B
$1.28M 0.01%
29,391
-32,320
-52% -$1.26M
MLM icon
716
Martin Marietta Materials
MLM
$32.3B
$1.27M 0.01%
+4,556
New +$1.22M
CAH icon
717
Cardinal Health
CAH
$55.7B
$1.26M 0.01%
24,901
+631
+3% +$32.6K
VCYT icon
718
Veracyte
VCYT
$3.71B
$1.25M 0.01%
44,813
+19,863
+80% +$514K
CBRE icon
719
CBRE Group
CBRE
$42.7B
$1.25M 0.01%
20,383
-193
-0.9% -$10.7K
NWL icon
720
Newell Brands
NWL
$2.56B
$1.25M 0.01%
65,004
+4,759
+8% +$91.7K
DMRC icon
721
Digimarc Corp
DMRC
$171M
$1.25M 0.01%
37,100
+100
+0.3% +$3.58K
F icon
722
Ford
F
$55B
$1.24M 0.01%
132,944
-2,606
-2% -$23.4K
ESI icon
723
Element Solutions
ESI
$9.37B
$1.23M 0.01%
104,875
+17,375
+20% +$192K
XLE icon
724
State Street Energy Select Sector SPDR ETF
XLE
$38.1B
$1.21M 0.01%
40,390
+1,230
+3% +$36.5K
ALLK
725
DELISTED
Allakos
ALLK
$1.21M 0.01%
+12,645
New +$1.11M
27 28
29
30 31

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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.