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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
NTRI
1626
DELISTED
NutriSystem, Inc.
NTRI
– –
-6,480
Closed -$341K
SEND
1627
DELISTED
SendGrid, Inc.
SEND
– –
-27,420
Closed -$657K
DM
1628
DELISTED
Dominion Energy Midstream Ptr LP
DM
– –
-8,014
Closed -$244K
AFSI
1629
DELISTED
AmTrust Financial Services, Inc.
AFSI
– –
-79,199
Closed -$798K
TCF.WS
1630
DELISTED
TCF Financial Corporation
TCF.WS
– –
-30,600
Closed -$116K
SHLD
1631
DELISTED
Sears Holding Corporation
SHLD
– –
-10,050
Closed -$36K
MULE
1632
DELISTED
MuleSoft, Inc.
MULE
– –
-102,910
Closed -$2.39M
CALD
1633
DELISTED
Callidus Software, Inc.
CALD
– –
-38,017
Closed -$1.09M
ENTL
1634
DELISTED
Entellus Medical, Inc. Common Stock
ENTL
– –
-75,535
Closed -$1.84M
AMT.PRB
1635
DELISTED
American Tower Corporation
AMT.PRB
– –
-250
Closed -$31K
BSFT
1636
DELISTED
BroadSoft, Inc.
BSFT
– –
-74,498
Closed -$4.09M
MEET
1637
DELISTED
The Meet Group, Inc. Common Stock
MEET
– –
-10,000
Closed -$28K
CELGZ
1638
DELISTED
Celgene Corporation Contingent Value Rights
CELGZ
$0 ﹤0.01%
+75
New +$49
CTIC
1639
DELISTED
CTI BioPharma Corp. (DE) Common Stock
CTIC
– –
-51,198
Closed -$137K
BSCK
1640
DELISTED
Invesco BulletShares 2020 Corporate Bond ETF
BSCK
– –
-24,800
Closed -$528K
EBIX
1641
DELISTED
Ebix Inc
EBIX
– –
-2,840
Closed -$225K
ORBC
1642
DELISTED
ORBCOMM, Inc.
ORBC
– –
-35,144
Closed -$358K
CHL
1643
DELISTED
China Mobile Limited
CHL
– –
-4,377
Closed -$221K
TSS
1644
DELISTED
Total System Services, Inc.
TSS
– –
-2,540
Closed -$201K
ATTU
1645
DELISTED
Attunity Ltd
ATTU
– –
-19,500
Closed -$136K
FEEU
1646
DELISTED
Barclays ETN+ FI Enhanced Europe 50 ETN
FEEU
– –
-1,700
Closed -$225K
WR
1647
DELISTED
Westar Energy Inc
WR
– –
-3,800
Closed -$201K
DO
1648
DELISTED
Diamond Offshore Drilling
DO
– –
-14,400
Closed -$268K
PRMW
1649
DELISTED
Primo Water Corporation
PRMW
– –
-32,547
Closed -$409K
GCVRZ
1650
DELISTED
Sanofi Contingent Value Rights
GCVRZ
$0 ﹤0.01%
+655
New +$264
62 63 64 65
66

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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.