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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
THR
651
DELISTED
Thermon Group Holdings
THR
$1.17M 0.01%
57,452
+14,583
+34% +$329K
LYB icon
652
LyondellBasell Industries
LYB
$19.2B
$1.16M 0.01%
13,980
+1,389
+11% +$127K
WIFI
653
DELISTED
Boingo Wireless, Inc.
WIFI
$1.16M 0.01%
56,375
+5,900
+12% +$157K
USIG icon
654
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
$1.16M 0.01%
10,774
-1,800
-14% -$94.9K
WAT icon
655
Waters Corp
WAT
$39.9B
$1.14M 0.01%
6,043
+177
+3% +$33.6K
QDEF icon
656
FlexShares Quality Dividend Defensive Index Fund
QDEF
$562M
$1.14M 0.01%
27,805
+2,000
+8% +$88.2K
PPLI
657
People Inc
PPLI
$3.1B
$1.13M 0.01%
34,664
+8,757
+34% +$294K
MKTX icon
658
MarketAxess Holdings
MKTX
$5.72B
$1.13M 0.01%
5,341
-1,362
-20% -$282K
VONE icon
659
Vanguard Russell 1000 ETF
VONE
$8.58B
$1.13M 0.01%
9,837
– –
DIA icon
660
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$46.5B
$1.12M 0.01%
4,797
+81
+2% +$20.2K
PETQ
661
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
$1.12M 0.01%
47,545
+37,100
+355% +$1.14M
BUSE icon
662
First Busey Corp
BUSE
$2.58B
$1.11M 0.01%
45,445
+1,800
+4% +$49.8K
HEWJ icon
663
iShares Currency Hedged MSCI Japan ETF
HEWJ
$744M
$1.11M 0.01%
39,622
-8,668
-18% -$269K
SLCA
664
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$1.11M 0.01%
109,075
-8,594
-7% -$125K
PYX
665
DELISTED
Pyxus International, Inc.
PYX
$1.11M 0.01%
+93,300
New +$1.95M
SBAC icon
666
SBA Communications
SBAC
$19.5B
$1.11M 0.01%
6,830
-1,486
-18% -$242K
BPOP icon
667
Popular Inc
BPOP
$11.1B
$1.1M 0.01%
23,400
– –
CNK icon
668
Cinemark Holdings
CNK
$4.32B
$1.1M 0.01%
30,851
-1,585
-5% -$62.6K
LNG icon
669
Cheniere Energy
LNG
$52.9B
$1.08M 0.01%
18,200
+8,300
+84% +$511K
AEP icon
670
American Electric Power
AEP
$68.4B
$1.08M 0.01%
14,400
-27,823
-66% -$2.09M
ADI icon
671
Analog Devices
ADI
$190B
$1.07M 0.01%
12,496
+4,910
+65% +$425K
EA
672
DELISTED
Electronic Arts
EA
$1.07M 0.01%
13,599
-2,581
-16% -$237K
WTFC icon
673
Wintrust Financial
WTFC
$10.7B
$1.07M 0.01%
16,106
+178
+1% +$13.5K
GGG icon
674
Graco
GGG
$13.5B
$1.07M 0.01%
25,575
-520
-2% -$21.7K
FRPT icon
675
Freshpet
FRPT
$3.22B
$1.07M 0.01%
33,201
-1,124
-3% -$39.1K
25 26
27
28 29

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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.