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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
-12.38%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$16B
AUM Growth
-$3.46B
Cap. Flow
-$518M
Cap. Flow %
-3.24%
Top 10 Hldgs %
25.29%
Holding
1,819
New
100
Increased
562
Reduced
749
Closed
158

Top Buys

Rank Stock Value
1
VEA icon
Vanguard FTSE Developed Markets ETF
VEA
+$57.8M
2
AMZN icon
Amazon
AMZN
+$38M
3
ACWV icon
iShares MSCI Global Min Vol Factor ETF
ACWV
+$33.7M
4
EXEL icon
Exelixis
EXEL
+$33.4M
5
WDAY icon
Workday
WDAY
+$33.3M

Top Sells

Rank Stock Value
1
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$51.6M
2
RTN
Raytheon Company
RTN
+$47.8M
3
BFAM icon
Bright Horizons
BFAM
+$47.6M
4
PLNT icon
Planet Fitness
PLNT
+$39.6M
5
WAB icon
Wabtec
WAB
+$33.6M

Sector Composition

Rank Sector Weight
1 Technology 25.04%
2 Healthcare 18.78%
3 Financials 12.18%
4 Consumer Discretionary 9.78%
5 Industrials 8.19%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
VONV icon
1726
Vanguard Russell 1000 Value ETF
VONV
$22B
– –
-8,606
Closed -$516K
VTGN icon
1727
VistaGen Therapeutics
VTGN
$11.6M
– –
-1,705
Closed -$35K
VTWG icon
1728
Vanguard Russell 2000 Growth ETF
VTWG
$1.56B
– –
-1,226
Closed -$191K
VXX icon
1729
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$141M
– –
-3
Closed -$3K
W icon
1730
Wayfair
W
$14.1B
– –
-3,997
Closed -$361K
WYNN icon
1731
Wynn Resorts
WYNN
$10.6B
– –
-1,816
Closed -$252K
XGN icon
1732
Exagen
XGN
$160M
– –
-10,000
Closed -$254K
XMVM icon
1733
Invesco S&P MidCap Value with Momentum ETF
XMVM
$509M
$0 ﹤0.01%
22
– –
XSVM icon
1734
Invesco S&P SmallCap Value with Momentum ETF
XSVM
$669M
$0 ﹤0.01%
7
– –
ZION icon
1735
Zions Bancorporation
ZION
$10.5B
– –
-9,644
Closed -$501K
ZS icon
1736
Zscaler
ZS
$28.7B
– –
-4,595
Closed -$214K
BEST
1737
DELISTED
BEST Inc. American Depositary Shares, each representing twenty (20) Class A Ordinary Shares
BEST
– –
-500
Closed -$56K
ENSV
1738
DELISTED
Enservco Corp.
ENSV
– –
-1,700
Closed -$5K
KRTX
1739
DELISTED
Karuna Therapeutics, Inc. Common Stock
KRTX
– –
-6,625
Closed -$499K
BKCC
1740
DELISTED
BlackRock Capital Investment Corporation
BKCC
– –
-10,350
Closed -$51K
WWE
1741
DELISTED
World Wrestling Entertainment
WWE
– –
-7,095
Closed -$460K
RCA
1742
DELISTED
Ready Capital Corporation 7.00% Convertible Senior Notes due 2023
RCA
– –
-8,400
Closed -$225K
PDCE
1743
DELISTED
PDC Energy, Inc.
PDCE
$0 ﹤0.01%
+69
New +$1.24K
TDW.WS.A
1744
DELISTED
Tidewater Inc. Series A Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.A
$0 ﹤0.01%
43
– –
TDW.WS.B
1745
DELISTED
Tidewater Inc. Series B Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.B
$0 ﹤0.01%
46
-804
-95% -$976
DCP
1746
DELISTED
DCP Midstream, LP
DCP
– –
-8,170
Closed -$200K
ATCO
1747
DELISTED
Atlas Corp.
ATCO
– –
-13,442
Closed -$191K
IAA
1748
DELISTED
IAA, Inc. Common Stock
IAA
– –
-6,077
Closed -$286K
FNI
1749
DELISTED
First Trust Chindia ETF
FNI
$0 ﹤0.01%
12
– –
Y
1750
DELISTED
Alleghany Corp
Y
– –
-400
Closed -$320K
67 68 69
70
71

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William Blair & Company's Q1 2020 Portfolio in Review

As of Q1 2020, William Blair & Company held 1,819 positions worth $16B, down 18% from $19.5B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

William Blair & Company withdrew a net $518M in Q1 2020, closing 158 positions and reducing 749 holdings. Its most notable exit was Raytheon Company, an estimated $47.8M position sold in full.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

Against the trend, William Blair & Company opened a new position in Canoo Inc. Class A Common Stock worth $4.04M.

  • William Blair & Company's largest Q1 2020 buy was Canoo Inc. Class A Common Stock: 870 shares worth $4.04M.
  • William Blair & Company added most to Vanguard FTSE Developed Markets ETF in Q1 2020, an estimated $57.8M increase.
  • William Blair & Company's biggest Q1 2020 reduction was Vanguard FTSE All-World ex-US ETF, cutting an estimated $51.6M.
  • William Blair & Company fully exited Raytheon Company in Q1 2020, selling an estimated $47.8M.
  • William Blair & Company's ten largest holdings make up 25% of its $16B portfolio in Q1 2020.
  • William Blair & Company opened 100 new positions and closed 158 in Q1 2020.
  • William Blair & Company's portfolio value fell 18% quarter-over-quarter to $16B.

Based on William Blair & Company's 13F filing for Q1 2020, filed 11 May 2020.