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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
+10.7%
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
$28.9B
AUM Growth
+$2.35B
Cap. Flow
-$98.3M
Cap. Flow %
-0.34%
Top 10 Hldgs %
23.73%
Holding
1,960
New
105
Increased
655
Reduced
787
Closed
72

Top Buys

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$39.8M
2
ABNB icon
Airbnb
ABNB
+$37.1M
3
GNRC icon
Generac Holdings
GNRC
+$34.4M
4
U icon
Unity
U
+$29.3M
5
TREX icon
Trex
TREX
+$29M

Sector Composition

Rank Sector Weight
1 Technology 25.7%
2 Healthcare 19.69%
3 Financials 11.7%
4 Consumer Discretionary 10.72%
5 Industrials 9.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
STZ.B
1726
DELISTED
CONSTELLATION BRANDS, INC. CLASS B
STZ.B
$29K ﹤0.01%
122
GENZ
1727
VanEck Digital Native Economy ETF
GENZ
$17.9M
$28K ﹤0.01%
520
FXG icon
1728
First Trust Consumer Staples AlphaDEX Fund
FXG
$232M
$28K ﹤0.01%
500
-1,000
-67% -$58.7K
DWAS icon
1729
Invesco Dorsey Wright SmallCap Momentum ETF
DWAS
$449M
$27K ﹤0.01%
+298
New +$25.6K
PCRX icon
1730
Pacira BioSciences
PCRX
$924M
$27K ﹤0.01%
450
-20
-4% -$1.27K
AOA icon
1731
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.3B
$26K ﹤0.01%
368
+1
+0.3% +$70
CSD icon
1732
Invesco S&P Spin-Off ETF
CSD
$235M
$26K ﹤0.01%
410
GBX icon
1733
The Greenbrier Companies
GBX
$1.42B
$26K ﹤0.01%
+586
New +$27.1K
JETS icon
1734
US Global Jets ETF
JETS
$832M
$26K ﹤0.01%
1,087
-17
-2% -$444
OXY.WS icon
1735
Occidental Petroleum Corp Warrants
OXY.WS
$33.7B
$25K ﹤0.01%
1,823
+509
+39% +$5.87K
AMPE
1736
DELISTED
Ampio Pharmaceuticals Inc.
AMPE
$25K ﹤0.01%
50
GEF.B icon
1737
Greif Class B
GEF.B
$4.22B
$24K ﹤0.01%
400
NGD
1738
DELISTED
New Gold Inc
NGD
$24K ﹤0.01%
13,000
INTF icon
1739
iShares International Equity Factor ETF
INTF
$3.77B
$23K ﹤0.01%
765
-2,615
-77% -$79.2K
VNM icon
1740
VanEck Vietnam ETF
VNM
$506M
$23K ﹤0.01%
1,083
-200
-16% -$3.88K
EWN icon
1741
iShares MSCI Netherlands ETF
EWN
$735M
$22K ﹤0.01%
450
FVAL icon
1742
Fidelity Value Factor ETF
FVAL
$1.38B
$22K ﹤0.01%
450
-50
-10% -$2.37K
OIH icon
1743
VanEck Oil Services ETF
OIH
$1.95B
$22K ﹤0.01%
+100
New +$20.9K
ERUS
1744
DELISTED
iShares MSCI Russia ETF
ERUS
$22K ﹤0.01%
487
CZA icon
1745
Invesco Zacks Mid-Cap ETF
CZA
$193M
$21K ﹤0.01%
230
-40
-15% -$3.57K
DIG icon
1746
ProShares Ultra Energy
DIG
$83.4M
$21K ﹤0.01%
1,144
FHLC icon
1747
Fidelity MSCI Health Care Index ETF
FHLC
$3.42B
$21K ﹤0.01%
325
ITB icon
1748
iShares US Home Construction ETF
ITB
$2.37B
$21K ﹤0.01%
302
USEQ
1749
DELISTED
Invesco Russell 1000 Enhanced Equal Weight ETF
USEQ
$21K ﹤0.01%
580
EWS icon
1750
iShares MSCI Singapore ETF
EWS
$1.16B
$20K ﹤0.01%
882
+2
+0.2% +$47

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William Blair & Company's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair & Company held 1,960 positions worth $28.9B, up 8.9% from $26.5B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2021 filing shows 105 new, 655 increased, 787 reduced and 72 closed positions. Its largest new stake was Luminar Technologies: 36,860 shares worth $12.1M. The largest sale was Fiserv Inc, an estimated $87.4M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2021 buy was Luminar Technologies: 36,860 shares worth $12.1M.
  • William Blair & Company added most to Ball Corp in Q2 2021, an estimated $39.8M increase.
  • William Blair & Company's biggest Q2 2021 reduction was Fiserv Inc, cutting an estimated $87.4M.
  • William Blair & Company fully exited RealPage, Inc. in Q2 2021, selling an estimated $12.1M.
  • William Blair & Company's ten largest holdings make up 24% of its $28.9B portfolio in Q2 2021.
  • William Blair & Company opened 105 new positions and closed 72 in Q2 2021.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $28.9B.

Based on William Blair & Company's 13F filing for Q2 2021, filed 12 Aug 2021.