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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
+5.14%
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
$14.1B
AUM Growth
-$591M
Cap. Flow
-$1.14B
Cap. Flow %
-8.06%
Top 10 Hldgs %
20.02%
Holding
1,654
New
292
Increased
437
Reduced
658
Closed
147

Top Buys

Rank Stock Value
1
P
Everpure Inc
P
+$31.8M
2
BABA icon
Alibaba
BABA
+$24.9M
3
TYL icon
Tyler Technologies
TYL
+$24.4M
4
NTNX icon
Nutanix
NTNX
+$15.6M
5
UNH icon
UnitedHealth
UNH
+$15.2M

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$70.7M
2
AMZN icon
Amazon
AMZN
+$47.1M
3
AAPL icon
Apple
AAPL
+$43.1M
4
EXEL icon
Exelixis
EXEL
+$33M
5
V icon
Visa
V
+$31.2M

Sector Composition

Rank Sector Weight
1 Technology 18.97%
2 Healthcare 17.83%
3 Financials 14.24%
4 Industrials 10.29%
5 Consumer Discretionary 9.36%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BLV icon
1451
Vanguard Long-Term Bond ETF
BLV
$5.75B
$10K ﹤0.01%
+111
New +$10.1K
FNDA icon
1452
Schwab Fundamental US Small Company Index ETF
FNDA
$9.32B
$10K ﹤0.01%
+514
New +$9.75K
IWY icon
1453
iShares Russell Top 200 Growth ETF
IWY
$16.7B
$10K ﹤0.01%
+129
New +$9.84K
MJ icon
1454
Amplify Alternative Harvest ETF
MJ
$104M
$10K ﹤0.01%
+28
New +$11.3K
QCLN icon
1455
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$638M
$10K ﹤0.01%
+525
New +$10.7K
VLUE icon
1456
iShares MSCI USA Value Factor ETF
VLUE
$9.4B
$10K ﹤0.01%
+125
New +$10.6K
BATRA icon
1457
Atlanta Braves Holdings Series A
BATRA
$3.37B
$9K ﹤0.01%
+414
New +$9.59K
EWM icon
1458
iShares MSCI Malaysia ETF
EWM
$326M
$9K ﹤0.01%
+250
New +$8.76K
FXP icon
1459
ProShares UltraShort FTSE China 50 of ProShares Trust
FXP
$5.81M
$9K ﹤0.01%
+75
New +$8.82K
XLBS
1460
DELISTED
POWERSHARES S&P SMALLCAP MATERIALS PORT
XLBS
$9K ﹤0.01%
+177
New +$9K
QUAL icon
1461
iShares MSCI USA Quality Factor ETF
QUAL
$47.8B
$8K ﹤0.01%
+100
New +$8.47K
OIL
1462
DELISTED
iPath Pure Beta Crude Oil ETN
OIL
$8K ﹤0.01%
+400
New +$7.44K
FBT icon
1463
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.78B
$7K ﹤0.01%
+50
New +$6.83K
HYEM icon
1464
VanEck Emerging Markets High Yield Bond ETF
HYEM
$523M
$7K ﹤0.01%
+298
New +$7.25K
IHF icon
1465
iShares US Healthcare Providers ETF
IHF
$1.25B
$7K ﹤0.01%
+230
New +$7.48K
IXP icon
1466
iShares Global Comm Services ETF
IXP
$571M
$7K ﹤0.01%
+125
New +$7.4K
LMBS icon
1467
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.37B
$7K ﹤0.01%
+144
New +$7.42K
CNSY
1468
Cerenome, Inc. Common Stock
CNSY
$26.2M
0
SMOG icon
1469
VanEck Low Carbon Energy ETF
SMOG
$132M
$7K ﹤0.01%
+115
New +$7.14K
SRPT icon
1470
CALL
Sarepta Therapeutics
SRPT
$1.77B
$7K ﹤0.01%
100
VNM icon
1471
VanEck Vietnam ETF
VNM
$504M
$7K ﹤0.01%
+383
New +$7.21K
DSKEW
1472
DELISTED
Daseke, Inc. Warrant
DSKEW
$7K ﹤0.01%
6,000
-325,500
-98% -$478K
FXN icon
1473
First Trust Energy AlphaDEX Fund
FXN
$368M
$6K ﹤0.01%
+400
New +$5.89K
PZI
1474
DELISTED
Invesco Zacks Micro Cap ETF
PZI
$6K ﹤0.01%
+292
New +$5.59K
ZIONW
1475
DELISTED
Zions Bancorporation N.A. Warrants
ZIONW
$6K ﹤0.01%
+300
New +$6.35K

Similar funds

William Blair & Company's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair & Company held 1,654 positions worth $14.1B, down 4% from $14.7B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair & Company withdrew a net $1.14B in Q1 2018, closing 147 positions and reducing 658 holdings. Its most notable exit was Invesco S&P 500 Equal Weight ETF, an estimated $6.64M position sold in full.

By sector, the portfolio is most concentrated in Technology at 19% of assets, up from 18% a quarter earlier, followed by Healthcare and Financials.

Against the trend, William Blair & Company opened a new position in Worldpay, Inc. worth $6.54M.

  • William Blair & Company's largest Q1 2018 buy was Worldpay, Inc.: 79,468 shares worth $6.54M.
  • William Blair & Company added most to Everpure Inc in Q1 2018, an estimated $31.8M increase.
  • William Blair & Company's biggest Q1 2018 reduction was Meta Platforms (Facebook), cutting an estimated $70.7M.
  • William Blair & Company fully exited Invesco S&P 500 Equal Weight ETF in Q1 2018, selling an estimated $6.64M.
  • William Blair & Company's ten largest holdings make up 20% of its $14.1B portfolio in Q1 2018.
  • William Blair & Company opened 292 new positions and closed 147 in Q1 2018.
  • William Blair & Company's portfolio value fell 4% quarter-over-quarter to $14.1B.

Based on William Blair & Company's 13F filing for Q1 2018, filed 15 May 2018.