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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
EYE icon
826
National Vision
EYE
$1.81B
$1.42M ﹤0.01%
29,676
+10,201
+52% +$546K
RVTY icon
827
Revvity
RVTY
$12.8B
$1.42M ﹤0.01%
7,059
-140
-2% -$25.3K
IVZ icon
828
Invesco
IVZ
$13.9B
$1.42M ﹤0.01%
61,561
-224
-0.4% -$5.45K
LH icon
829
Labcorp
LH
$25.9B
$1.41M ﹤0.01%
5,231
-336
-6% -$83.2K
AMLP icon
830
Alerian MLP ETF
AMLP
$13.1B
$1.41M ﹤0.01%
43,018
+16,634
+63% +$563K
IPG
831
DELISTED
Interpublic Group of Companies
IPG
$1.41M ﹤0.01%
37,528
+357
+1% +$13K
SCHB icon
832
Schwab US Broad Market ETF
SCHB
$44.9B
$1.4M ﹤0.01%
74,142
+2,232
+3% +$41.1K
FRC
833
DELISTED
First Republic Bank
FRC
$1.39M ﹤0.01%
6,743
+110
+2% +$23.2K
KSS icon
834
Kohl's
KSS
$2.19B
$1.39M ﹤0.01%
28,166
+23
+0.1% +$1.18K
TLT icon
835
iShares 20+ Year Treasury Bond ETF
TLT
$40.9B
$1.38M ﹤0.01%
9,339
-649
-6% -$95.7K
KEYS icon
836
Keysight
KEYS
$58.3B
$1.38M ﹤0.01%
6,692
-755
-10% -$141K
HURN icon
837
Huron Consulting
HURN
$2.42B
$1.38M ﹤0.01%
27,670
+1,318
+5% +$65.8K
VNT icon
838
Vontier
VNT
$4.74B
$1.38M ﹤0.01%
44,932
-3,097
-6% -$101K
IVE icon
839
iShares S&P 500 Value ETF
IVE
$49.8B
$1.37M ﹤0.01%
8,755
+628
+8% +$95.5K
ARWR icon
840
Arrowhead Research
ARWR
$12.4B
$1.37M ﹤0.01%
20,619
-83
-0.4% -$5.7K
GVA icon
841
Granite Construction
GVA
$5.62B
$1.37M ﹤0.01%
35,323
– –
CDK
842
DELISTED
CDK Global, Inc.
CDK
$1.36M ﹤0.01%
32,545
-1,647
-5% -$69.1K
THRY icon
843
Thryv Holdings
THRY
$108M
$1.35M ﹤0.01%
32,909
+1,364
+4% +$47K
VFH icon
844
Vanguard Financials ETF
VFH
$13.8B
$1.35M ﹤0.01%
13,990
+7,101
+103% +$692K
EPAY
845
DELISTED
Bottomline Technologies Inc
EPAY
$1.35M ﹤0.01%
23,833
-11,683
-33% -$546K
DG icon
846
Dollar General
DG
$27.9B
$1.34M ﹤0.01%
5,705
+1,352
+31% +$299K
AZTA icon
847
Azenta
AZTA
$1.48B
$1.34M ﹤0.01%
13,025
-1,558
-11% -$169K
SLN
848
Silence Therapeutics
SLN
$564M
$1.34M ﹤0.01%
56,026
+11,582
+26% +$268K
EXPD icon
849
Expeditors International
EXPD
$23.2B
$1.33M ﹤0.01%
9,933
-61
-0.6% -$7.64K
CPT icon
850
Camden Property Trust
CPT
$11.3B
$1.33M ﹤0.01%
7,437
-671
-8% -$111K
32 33
34
35 36

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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.