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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
-13.3%
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
$13.7B
AUM Growth
-$2.6B
Cap. Flow
-$222M
Cap. Flow %
-1.61%
Top 10 Hldgs %
20.6%
Holding
1,859
New
191
Increased
555
Reduced
650
Closed
205

Top Buys

Rank Stock Value
1
LIN icon
Linde
LIN
+$55.6M
2
EFA icon
iShares MSCI EAFE ETF
EFA
+$22.8M
3
ULTA icon
Ulta Beauty
ULTA
+$22.1M
4
INTU icon
Intuit
INTU
+$22M
5
DIS icon
Walt Disney
DIS
+$21.1M

Top Sells

Rank Stock Value
1
PX
Praxair Inc
PX
+$73.7M
2
RHT
Red Hat Inc
RHT
+$46M
3
ESRX
Express Scripts Holding Company
ESRX
+$45.8M
4
META icon
Meta Platforms (Facebook)
META
+$32.9M
5
P
Everpure Inc
P
+$31.5M

Sector Composition

Rank Sector Weight
1 Technology 20.75%
2 Healthcare 18.42%
3 Financials 12.76%
4 Consumer Discretionary 9.45%
5 Industrials 9.06%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MCY icon
776
Mercury Insurance
MCY
$6.06B
$751K 0.01%
14,515
-1,100
-7% -$59.8K
RPV icon
777
Invesco S&P 500 Pure Value ETF
RPV
$1.68B
$746K 0.01%
+13,125
New +$836K
VSM
778
DELISTED
Versum Materials, Inc.
VSM
$741K 0.01%
26,732
-198
-0.7% -$6.26K
DRI icon
779
Darden Restaurants
DRI
$24.4B
$740K 0.01%
7,412
-1,046
-12% -$112K
NVO
780
Novo Nordisk
NVO
$209B
$740K 0.01%
32,132
-289,070
-90% -$6.42M
MDR
781
DELISTED
McDermott International
MDR
$740K 0.01%
+113,159
New +$1.19M
AWK icon
782
American Water Works
AWK
$26.9B
$734K 0.01%
8,087
+2,178
+37% +$199K
WSBC icon
783
WesBanco
WSBC
$4B
$734K 0.01%
19,997
-11,582
-37% -$472K
CNQ icon
784
Canadian Natural Resources
CNQ
$94.9B
$728K 0.01%
61,574
-26,634
-30% -$358K
LAZ icon
785
Lazard
LAZ
$4.31B
$728K 0.01%
+19,718
New +$787K
GH icon
786
Guardant Health
GH
$22.6B
$727K 0.01%
+19,350
New +$713K
HMC icon
787
Honda
HMC
$41.3B
$720K 0.01%
27,236
+7,811
+40% +$216K
LEN icon
788
Lennar Class A
LEN
$21.2B
$717K 0.01%
18,931
-639
-3% -$26K
PPG icon
789
PPG Industries
PPG
$26.6B
$716K 0.01%
7,000
-134
-2% -$13.9K
DISH
790
DELISTED
DISH Network Corp.
DISH
$710K 0.01%
28,454
-8,300
-23% -$261K
AUTL
791
Autolus Therapeutics
AUTL
$562M
$709K 0.01%
21,600
-9,200
-30% -$303K
IYR icon
792
iShares US Real Estate ETF
IYR
$4.65B
$708K 0.01%
9,454
+888
+10% +$69.8K
IQV icon
793
IQVIA
IQV
$39.3B
$705K 0.01%
6,065
+1,013
+20% +$123K
LEA icon
794
Lear
LEA
$8.17B
$705K 0.01%
5,736
-246
-4% -$32.9K
KBE icon
795
State Street SPDR S&P Bank ETF
KBE
$1.66B
$702K 0.01%
18,790
-650
-3% -$27.6K
HEI.A icon
796
HEICO Corp Class A
HEI.A
$37.2B
$701K 0.01%
11,123
-5,247
-32% -$351K
RPG icon
797
Invesco S&P 500 Pure Growth ETF
RPG
$2.09B
$701K 0.01%
35,160
+34,400
+4,526% +$739K
LOGI icon
798
Logitech
LOGI
$15.2B
$699K 0.01%
22,335
– –
TNL icon
799
Travel + Leisure Co
TNL
$4.7B
$698K 0.01%
6,438
-10
-0.2% -$389
NWL icon
800
Newell Brands
NWL
$2.56B
$696K 0.01%
37,434
-1,673
-4% -$33.3K
30 31
32
33 34

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William Blair & Company's Q4 2018 Portfolio in Review

As of Q4 2018, William Blair & Company held 1,859 positions worth $13.7B, down 16% from $16.3B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q4 2018 filing shows 191 new, 555 increased, 650 reduced and 205 closed positions. Its largest new stake was Linde: 352,000 shares worth $54.9M. The largest sale was Praxair Inc, an estimated $73.7M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2018 buy was Linde: 352,000 shares worth $54.9M.
  • William Blair & Company added most to iShares MSCI EAFE ETF in Q4 2018, an estimated $22.8M increase.
  • William Blair & Company's biggest Q4 2018 reduction was Red Hat Inc, cutting an estimated $46M.
  • William Blair & Company fully exited Praxair Inc in Q4 2018, selling an estimated $73.7M.
  • William Blair & Company's ten largest holdings make up 21% of its $13.7B portfolio in Q4 2018.
  • William Blair & Company opened 191 new positions and closed 205 in Q4 2018.
  • William Blair & Company's portfolio value fell 16% quarter-over-quarter to $13.7B.

Based on William Blair & Company's 13F filing for Q4 2018, filed 14 Feb 2019.