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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
SRLN icon
1576
State Street Blackstone Senior Loan ETF
SRLN
$5.33B
$4K ﹤0.01%
96
– –
TCOM icon
1577
Trip.com Group
TCOM
$29B
$4K ﹤0.01%
+134
New +$4.08K
FNI
1578
DELISTED
First Trust Chindia ETF
FNI
$4K ﹤0.01%
132
– –
AIG.WS
1579
DELISTED
American International Group, Inc.
AIG.WS
$4K ﹤0.01%
654
– –
ICVT icon
1580
iShares Convertible Bond ETF
ICVT
$7.32B
$3K ﹤0.01%
50
– –
LEGR icon
1581
First Trust Indxx Innovative Transaction & Process ETF
LEGR
$133M
$3K ﹤0.01%
100
– –
MLPX icon
1582
Global X MLP & Energy Infrastructure ETF
MLPX
$3.59B
$3K ﹤0.01%
105
– –
SDS icon
1583
ProShares UltraShort S&P500
SDS
$392M
$3K ﹤0.01%
+2
New +$1.91K
SLQD icon
1584
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$3K ﹤0.01%
65
– –
DOG
1585
ProShares Short Dow30
DOG
$96.8M
$2K ﹤0.01%
+25
New +$1.45K
EIS icon
1586
iShares MSCI Israel ETF
EIS
$889M
$2K ﹤0.01%
50
– –
GXC icon
1587
State Street SPDR S&P China ETF
GXC
$476M
$2K ﹤0.01%
+25
New +$2.22K
IEZ icon
1588
iShares US Oil Equipment & Services ETF
IEZ
$367M
$2K ﹤0.01%
100
– –
IGLB icon
1589
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.84B
$2K ﹤0.01%
+41
New +$2.3K
PPH icon
1590
VanEck Pharmaceutical ETF
PPH
$934M
$2K ﹤0.01%
45
-150
-77% -$9.09K
TAN icon
1591
Invesco Solar ETF
TAN
$1.45B
$2K ﹤0.01%
+100
New +$1.97K
EPOL icon
1592
iShares MSCI Poland ETF
EPOL
$757M
$1K ﹤0.01%
55
– –
GUSH icon
1593
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$219M
$1K ﹤0.01%
+2
New +$4.26K
IDGT icon
1594
iShares US Digital Infrastructure and Real Estate ETF
IDGT
$513M
$1K ﹤0.01%
+13
New +$653
ILCG icon
1595
iShares Morningstar Growth ETF
ILCG
$3.26B
$1K ﹤0.01%
35
– –
QID icon
1596
ProShares UltraShort QQQ
QID
$253M
$1K ﹤0.01%
+1
New +$851
SLYG icon
1597
State Street SPDR S&P 600 Small Cap Growth ETF
SLYG
$5.22B
$1K ﹤0.01%
20
-45
-69% -$2.68K
TDW.WS.A
1598
DELISTED
Tidewater Inc. Series A Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.A
$1K ﹤0.01%
+843
New +$2.87K
TDW.WS.B
1599
DELISTED
Tidewater Inc. Series B Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.B
$1K ﹤0.01%
+971
New +$2.89K
ABCB icon
1600
Ameris Bancorp
ABCB
$5.97B
– –
-5,000
Closed -$229K
62 63
64
65 66

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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.