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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
SPWR
1601
DELISTED
SunPower Corporation Common Stock
SPWR
– –
-17,122
Closed -$95K
CPE
1602
DELISTED
Callon Petroleum Company
CPE
– –
-2,689
Closed -$327K
MIXT
1603
DELISTED
MIX TELEMATICS LIMITED
MIXT
– –
-16,777
Closed -$214K
INFI
1604
DELISTED
Infinity Pharmaceuticals, Inc.
INFI
– –
-12,250
Closed -$25K
FSTX
1605
DELISTED
F-star Therapeutics, Inc. Common Stock
FSTX
– –
-11,517
Closed -$619K
LHCG
1606
DELISTED
LHC Group LLC
LHCG
– –
-9,990
Closed -$612K
ZVO
1607
DELISTED
Zovio Inc. Common Stock
ZVO
– –
-23,089
Closed -$192K
MIC
1608
DELISTED
Macquarie Infrastructure Holdings, LLC
MIC
– –
-4,983
Closed -$320K
VCRA
1609
DELISTED
VOCERA COMMUNICATIONS, INC.
VCRA
– –
-6,705
Closed -$203K
TGP
1610
DELISTED
Teekay LNG Partners L.P.
TGP
– –
-10,320
Closed -$208K
KSU
1611
DELISTED
Kansas City Southern
KSU
– –
-2,103
Closed -$221K
HOME
1612
DELISTED
At Home Group Inc.
HOME
– –
-12,484
Closed -$379K
IPHI
1613
DELISTED
INPHI CORPORATION
IPHI
– –
-43,793
Closed -$1.6M
MIK
1614
DELISTED
Michaels Stores, Inc
MIK
– –
-22,869
Closed -$553K
TCP
1615
DELISTED
TC Pipelines LP
TCP
– –
-18,034
Closed -$958K
CLCT
1616
DELISTED
Collectors Universe
CLCT
– –
-7,480
Closed -$214K
PTLA
1617
CALL
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
– –
-1,200
Closed -$58K
EQM
1618
DELISTED
EQM Midstream Partners, LP
EQM
– –
-3,555
Closed -$260K
AKS
1619
DELISTED
AK Steel Holding Corp
AKS
– –
-11,650
Closed -$66K
CARB
1620
DELISTED
Carbonite Inc
CARB
– –
-8,500
Closed -$213K
CRZO
1621
DELISTED
Carrizo Oil & Gas Inc
CRZO
– –
-12,381
Closed -$263K
DCUD
1622
DELISTED
Dominion Energy, Inc 2016 Series A Corporate Units
DCUD
– –
-200
Closed -$10K
APC
1623
CALL
DELISTED
Anadarko Petroleum
APC
– –
-700
Closed -$38K
YOGA
1624
DELISTED
YogaWorks, Inc. Common Stock
YOGA
– –
-28,855
Closed -$82K
BMS
1625
DELISTED
Bemis
BMS
– –
-7,285
Closed -$348K
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.