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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
PSK icon
1651
State Street SPDR ICE Preferred Securities ETF
PSK
$685M
$57K ﹤0.01%
1,280
-50
-4% -$2.18K
PVLA
1652
Palvella Therapeutics
PVLA
$2.26B
$57K ﹤0.01%
188
-562
-75% -$123K
FREL icon
1653
Fidelity MSCI Real Estate Index ETF
FREL
$1.49B
$56K ﹤0.01%
1,832
+109
+6% +$3.23K
IYY icon
1654
iShares Dow Jones US ETF
IYY
$3.09B
$55K ﹤0.01%
510
-150
-23% -$15.8K
DFTX
1655
Definium Therapeutics
DFTX
$5.9B
$55K ﹤0.01%
+1,062
New +$55.7K
SPTL icon
1656
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.8B
$55K ﹤0.01%
1,334
+56
+4% +$2.24K
VDE icon
1657
Vanguard Energy ETF
VDE
$10.4B
$55K ﹤0.01%
721
-112
-13% -$8.12K
LSXMA
1658
DELISTED
Liberty Media Corporation Series A Liberty SiriusXM Common Stock
LSXMA
$55K ﹤0.01%
1,605
-4,074
-72% -$133K
CQQQ icon
1659
Invesco China Technology ETF
CQQQ
$3.19B
$54K ﹤0.01%
638
+25
+4% +$2.03K
DIM icon
1660
WisdomTree International MidCap Dividend Fund
DIM
$169M
$54K ﹤0.01%
800
ACES icon
1661
ALPS Clean Energy ETF
ACES
$124M
$53K ﹤0.01%
701
+1
+0.1% +$71
MCHI icon
1662
iShares MSCI China ETF
MCHI
$6.14B
$53K ﹤0.01%
647
-532
-45% -$43.3K
PID icon
1663
Invesco International Dividend Achievers ETF
PID
$917M
$53K ﹤0.01%
3,000
COHR icon
1664
Coherent
COHR
$64B
$52K ﹤0.01%
718
+100
+16% +$7.04K
IAT icon
1665
iShares US Regional Banks ETF
IAT
$689M
$52K ﹤0.01%
900
FBT icon
1666
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.78B
$51K ﹤0.01%
293
LRGF icon
1667
iShares US Equity Factor ETF
LRGF
$3.74B
$51K ﹤0.01%
1,185
SMOG icon
1668
VanEck Low Carbon Energy ETF
SMOG
$135M
$51K ﹤0.01%
318
IBMJ
1669
DELISTED
iShares iBonds Dec 2021 Term Muni Bond ETF
IBMJ
$51K ﹤0.01%
+2,000
New +$51.3K
DTH icon
1670
WisdomTree International High Dividend Fund
DTH
$661M
$50K ﹤0.01%
1,258
GBF icon
1671
iShares Government/Credit Bond ETF
GBF
$128M
$48K ﹤0.01%
390
+120
+44% +$14.5K
IGHG icon
1672
ProShares Investment Grade-Interest Rate Hedged
IGHG
$329M
$48K ﹤0.01%
625
PAYS icon
1673
Paysign
PAYS
$735M
$48K ﹤0.01%
15,120
REM icon
1674
iShares Mortgage Real Estate ETF
REM
$547M
$48K ﹤0.01%
1,300
RSPM icon
1675
Invesco S&P 500 Equal Weight Materials ETF
RSPM
$183M
$48K ﹤0.01%
+1,460
New +$49K

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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.