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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
KNX icon
726
Knight Transportation
KNX
$11.4B
$875K 0.01%
+21,979
New +$681K
SCWX
727
DELISTED
SecureWorks Corp Class A Common Stock
SCWX
$870K 0.01%
51,535
-16,371
-24% -$257K
MXIM
728
DELISTED
Maxim Integrated Products
MXIM
$868K 0.01%
17,071
-588
-3% -$30.7K
DHS icon
729
WisdomTree US High Dividend Fund
DHS
$1.58B
$865K 0.01%
13,285
– –
HDS
730
DELISTED
HD Supply Holdings, Inc.
HDS
$865K 0.01%
23,067
-36,427
-61% -$1.4M
MMSI icon
731
Merit Medical Systems
MMSI
$5.32B
$859K 0.01%
15,399
– –
STI
732
DELISTED
SunTrust Banks, Inc.
STI
$858K 0.01%
17,005
+246
+1% +$14.7K
B
733
Barrick Mining
B
$73.2B
$856K 0.01%
10,030
-1,250
-11% -$16.2K
ARI
734
Apollo Commercial Real Estate
ARI
$885M
$855K 0.01%
51,300
+18,500
+56% +$342K
SUSA icon
735
iShares ESG Optimized MSCI USA ETF
SUSA
$4.18B
$850K 0.01%
16,490
– –
MDP
736
DELISTED
Meredith Corporation
MDP
$848K 0.01%
16,319
-641
-4% -$34.8K
HPQ icon
737
HP
HPQ
$27.5B
$846K 0.01%
41,363
+9,494
+30% +$221K
VIS icon
738
Vanguard Industrials ETF
VIS
$8.39B
$841K 0.01%
6,988
-1,786
-20% -$237K
EXPE icon
739
Expedia Group
EXPE
$37.3B
$838K 0.01%
7,441
+2,574
+53% +$308K
SEDG icon
740
SolarEdge
SEDG
$1.95B
$838K 0.01%
23,875
+11,775
+97% +$451K
IVE icon
741
iShares S&P 500 Value ETF
IVE
$49.8B
$837K 0.01%
8,272
-5,527
-40% -$605K
OHI icon
742
Omega Healthcare
OHI
$14.7B
$836K 0.01%
23,777
-34
-0.1% -$1.18K
PRF icon
743
Invesco FTSE RAFI US 1000 ETF
PRF
$10B
$836K 0.01%
+41,135
New +$912K
TRGP icon
744
Targa Resources
TRGP
$55.1B
$833K 0.01%
23,130
+2,846
+14% +$138K
NFG icon
745
National Fuel Gas
NFG
$7.65B
$830K 0.01%
16,221
-5,363
-25% -$294K
SAN icon
746
Banco Santander
SAN
$210B
$829K 0.01%
193,148
+44,414
+30% +$201K
CTXS
747
DELISTED
Citrix Systems Inc
CTXS
$818K 0.01%
7,983
+1,443
+22% +$152K
LKQ icon
748
LKQ Corp
LKQ
$6.29B
$817K 0.01%
34,447
-68,922
-67% -$1.87M
ARWR icon
749
Arrowhead Research
ARWR
$12.4B
$811K 0.01%
65,325
-2,255
-3% -$30.8K
AYR
750
DELISTED
Aircastle Ltd
AYR
$811K 0.01%
47,054
-3,299
-7% -$62.8K
28 29
30
31 32

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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.