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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

Top Sells

Rank Stock Value
1
PYPL icon
PayPal
PYPL
+$73.8M
2
ATVI
Activision Blizzard
ATVI
+$46.9M
3
OSH
Oak Street Health, Inc.
OSH
+$43.6M
4
DIS icon
Walt Disney
DIS
+$34M
5
PGR icon
Progressive
PGR
+$32.6M

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
PBE icon
1801
Invesco Biotechnology & Genome ETF
PBE
$292M
$28K ﹤0.01%
400
– –
SDC
1802
DELISTED
SmileDirectClub, Inc. Class A Common Stock
SDC
$28K ﹤0.01%
12,126
-103,406
-90% -$432K
ERUS
1803
DELISTED
iShares MSCI Russia ETF
ERUS
$28K ﹤0.01%
659
+172
+35% +$8.13K
AOA icon
1804
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.28B
$27K ﹤0.01%
372
+3
+0.8% +$216
DWAS icon
1805
Invesco Dorsey Wright SmallCap Momentum ETF
DWAS
$450M
$27K ﹤0.01%
298
– –
MORT icon
1806
VanEck Mortgage REIT Income ETF
MORT
$385M
$27K ﹤0.01%
1,500
– –
PCRX icon
1807
Pacira BioSciences
PCRX
$997M
$27K ﹤0.01%
450
– –
GERM
1808
DELISTED
Amplify Treatments, Testing and Advancements ETF
GERM
$27K ﹤0.01%
746
– –
CSD icon
1809
Invesco S&P Spin-Off ETF
CSD
$228M
$26K ﹤0.01%
410
– –
QCLN icon
1810
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$634M
$26K ﹤0.01%
376
– –
SOCL icon
1811
Global X Social Media ETF
SOCL
$93.4M
$26K ﹤0.01%
485
-2
-0.4% -$118
DVYE icon
1812
iShares Emerging Markets Dividend ETF
DVYE
$1.22B
$25K ﹤0.01%
647
-588
-48% -$22.7K
GENZ
1813
VanEck Digital Native Economy ETF
GENZ
$17.6M
$24K ﹤0.01%
549
– –
FHLC icon
1814
Fidelity MSCI Health Care Index ETF
FHLC
$3.36B
$24K ﹤0.01%
349
– –
FNCL icon
1815
Fidelity MSCI Financials Index ETF
FNCL
$2.4B
$24K ﹤0.01%
433
+239
+123% +$13.5K
GEF.B icon
1816
Greif Class B
GEF.B
$4.21B
$24K ﹤0.01%
400
– –
GLDG
1817
GoldMining Inc
GLDG
$219M
$24K ﹤0.01%
20,000
– –
HYMB icon
1818
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.19B
$24K ﹤0.01%
800
-340
-30% -$10.2K
PAYS icon
1819
Paysign
PAYS
$705M
$24K ﹤0.01%
15,120
– –
ACES icon
1820
ALPS Clean Energy ETF
ACES
$124M
$23K ﹤0.01%
352
-499
-59% -$35.8K
EWN icon
1821
iShares MSCI Netherlands ETF
EWN
$637M
$23K ﹤0.01%
450
– –
EWS icon
1822
iShares MSCI Singapore ETF
EWS
$1.08B
$23K ﹤0.01%
1,084
+404
+59% +$9.29K
FVAL icon
1823
Fidelity Value Factor ETF
FVAL
$1.38B
$23K ﹤0.01%
450
– –
MCHI icon
1824
iShares MSCI China ETF
MCHI
$6.38B
$23K ﹤0.01%
368
-213
-37% -$14.3K
GLCN
1825
DELISTED
VanEck China Growth Leaders ETF
GLCN
$23K ﹤0.01%
+600
New +$23.9K
71 72
73
74 75

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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.