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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
PCY icon
1051
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.4B
$328K ﹤0.01%
+12,402
New +$326K
GRFS
1052
Grifois
GRFS
$5.33B
$326K ﹤0.01%
17,743
-849
-5% -$16.9K
IGF icon
1053
iShares Global Infrastructure ETF
IGF
$10.8B
$326K ﹤0.01%
8,276
+1,203
+17% +$49.2K
GDDY icon
1054
GoDaddy
GDDY
$11.4B
$325K ﹤0.01%
4,960
-8,770
-64% -$600K
PRGO icon
1055
Perrigo
PRGO
$1.74B
$325K ﹤0.01%
8,377
-27,946
-77% -$1.77M
BNS icon
1056
Scotiabank
BNS
$108B
$324K ﹤0.01%
6,500
-400
-6% -$21.6K
DG icon
1057
Dollar General
DG
$28.1B
$324K ﹤0.01%
2,999
-273
-8% -$29.6K
VMBS icon
1058
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.4B
$324K ﹤0.01%
+6,141
New +$312K
SCHB icon
1059
Schwab US Broad Market ETF
SCHB
$44.5B
$323K ﹤0.01%
32,340
+1,452
+5% +$15.7K
EZU icon
1060
iShare MSCI Eurozone ETF
EZU
$9.84B
$321K ﹤0.01%
9,161
-4,683
-34% -$175K
OEF icon
1061
iShares S&P 100 ETF
OEF
$20.5B
$321K ﹤0.01%
2,874
+2,224
+342% +$268K
PNR icon
1062
Pentair
PNR
$11.2B
$320K ﹤0.01%
8,480
-1,830
-18% -$74K
OGS icon
1063
ONE Gas
OGS
$5B
$319K ﹤0.01%
4,011
-120
-3% -$9.89K
RLI icon
1064
RLI Corp
RLI
$5.91B
$319K ﹤0.01%
9,250
-226
-2% -$8.21K
AMBA icon
1065
Ambarella
AMBA
$3.68B
$317K ﹤0.01%
9,056
+234
+3% +$8.29K
PAAS icon
1066
Pan American Silver
PAAS
$20.2B
$317K ﹤0.01%
21,742
-1,500
-6% -$21.5K
CIEN icon
1067
Ciena
CIEN
$57.2B
$315K ﹤0.01%
9,300
-500
-5% -$15.8K
XENT
1068
DELISTED
Intersect ENT, Inc
XENT
$314K ﹤0.01%
11,143
-6,500
-37% -$190K
HIG icon
1069
Hartford Financial Services
HIG
$39.6B
$312K ﹤0.01%
7,009
+2,595
+59% +$117K
QADA
1070
DELISTED
QAD Inc.
QADA
$309K ﹤0.01%
7,863
-4,000
-34% -$175K
TBT icon
1071
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$314M
$308K ﹤0.01%
8,769
-2,799
-24% -$109K
GTT
1072
DELISTED
GTT Communications, Inc.
GTT
$308K ﹤0.01%
+5,850
New +$197K
GWX icon
1073
State Street SPDR S&P International Small Cap ETF
GWX
$904M
$307K ﹤0.01%
10,996
-13,600
-55% -$417K
PRAH
1074
DELISTED
PRA Health Sciences, Inc.
PRAH
$304K ﹤0.01%
3,310
-500
-13% -$50.6K
LKFN icon
1075
Lakeland Financial Corp
LKFN
$1.55B
$301K ﹤0.01%
6,116
– –
41 42
43
44 45

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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.