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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
+8.27%
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
$31.9B
AUM Growth
+$2.51B
Cap. Flow
+$830M
Cap. Flow %
2.6%
Top 10 Hldgs %
23.75%
Holding
2,051
New
174
Increased
889
Reduced
606
Closed
88

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$66.8M
2
PODD icon
Insulet
PODD
+$47M
3
XMTR icon
Xometry
XMTR
+$44.1M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$43.7M
5
AON icon
Aon
AON
+$36.1M

Sector Composition

Rank Sector Weight
1 Technology 26.2%
2 Healthcare 19.21%
3 Financials 10.7%
4 Consumer Discretionary 10.6%
5 Industrials 10.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
KCE icon
1901
State Street SPDR S&P Capital Markets ETF
KCE
$466M
$4K ﹤0.01%
42
LEGR icon
1902
First Trust Indxx Innovative Transaction & Process ETF
LEGR
$133M
$4K ﹤0.01%
100
MILN
1903
Global X Millennial Consumer ETF
MILN
$103M
$4K ﹤0.01%
90
MLPX icon
1904
Global X MLP & Energy Infrastructure ETF
MLPX
$3.53B
$4K ﹤0.01%
104
PFM icon
1905
Invesco Dividend Achievers ETF
PFM
$808M
$4K ﹤0.01%
111
PGJ icon
1906
Invesco Golden Dragon China ETF
PGJ
$98.7M
$4K ﹤0.01%
100
VGLT icon
1907
Vanguard Long-Term Treasury ETF
VGLT
$10.1B
$4K ﹤0.01%
+41
New +$3.65K
XPH icon
1908
State Street SPDR S&P Pharmaceuticals ETF
XPH
$508M
$4K ﹤0.01%
90
EWZS icon
1909
iShares MSCI Brazil Small-Cap ETF
EWZS
$221M
$3K ﹤0.01%
200
+140
+233% +$2.01K
FDIQ
1910
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$50.6M
$3K ﹤0.01%
41
NORW icon
1911
Global X MSCI Norway ETF
NORW
$88.2M
$3K ﹤0.01%
87
+61
+235% +$1.9K
RGLS
1912
DELISTED
Regulus Therapeutics
RGLS
$3K ﹤0.01%
1,070
SLQD icon
1913
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$3K ﹤0.01%
65
UCO icon
1914
ProShares Ultra Bloomberg Crude Oil
UCO
$386M
$3K ﹤0.01%
156
XCUR icon
1915
Exicure
XCUR
$8.54M
$3K ﹤0.01%
+95
New +$11K
XOP icon
1916
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.51B
$3K ﹤0.01%
33
XRLV
1917
DELISTED
Invesco S&P 500 ex-Rate Sensitive Low Volatility ETF
XRLV
$3K ﹤0.01%
55
EINC icon
1918
VanEck Energy Income ETF
EINC
$80.3M
$2K ﹤0.01%
38
FALN icon
1919
iShares Fallen Angels USD Bond ETF
FALN
$1.62B
$2K ﹤0.01%
53
PJP icon
1920
Invesco Pharmaceuticals ETF
PJP
$479M
$2K ﹤0.01%
28
PSP icon
1921
Invesco Global Listed Private Equity ETF
PSP
$246M
$2K ﹤0.01%
25
SPXU icon
1922
ProShares UltraPro Short S&P 500
SPXU
$389M
$2K ﹤0.01%
8
THD icon
1923
iShares MSCI Thailand ETF
THD
$372M
$2K ﹤0.01%
+21
New +$1.6K
VCLT icon
1924
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.85B
$2K ﹤0.01%
22
-10
-31% -$1.06K
XSLV icon
1925
Invesco S&P SmallCap Low Volatility ETF
XSLV
$247M
$2K ﹤0.01%
42

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William Blair & Company's Q4 2021 Portfolio in Review

As of Q4 2021, William Blair & Company held 2,051 positions worth $31.9B, up 8.5% from $29.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2021 filing shows 174 new, 889 increased, 606 reduced and 88 closed positions. Its largest new stake was Portillo's: 759,814 shares worth $28.5M. The largest sale was PayPal, an estimated $73.8M.

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 Q4 2021 buy was Portillo's: 759,814 shares worth $28.5M.
  • William Blair & Company added most to Amazon in Q4 2021, an estimated $66.8M increase.
  • William Blair & Company's biggest Q4 2021 reduction was PayPal, cutting an estimated $73.8M.
  • William Blair & Company fully exited Asana in Q4 2021, selling an estimated $6.06M.
  • William Blair & Company's ten largest holdings make up 24% of its $31.9B portfolio in Q4 2021.
  • William Blair & Company opened 174 new positions and closed 88 in Q4 2021.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.9B.

Based on William Blair & Company's 13F filing for Q4 2021, filed 14 Feb 2022.