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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
+8.67%
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
$23B
AUM Growth
+$1.22B
Cap. Flow
-$156M
Cap. Flow %
-0.68%
Top 10 Hldgs %
22.7%
Holding
1,905
New
81
Increased
568
Reduced
855
Closed
91

Top Buys

Rank Stock Value
1
POOL icon
Pool Corp
POOL
+$43.2M
2
TEAM icon
Atlassian
TEAM
+$36.6M
3
NOVT icon
Novanta
NOVT
+$28.8M
4
PANW icon
Palo Alto Networks
PANW
+$23.2M
5
MSI icon
Motorola Solutions
MSI
+$20.1M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$103M
2
PYPL icon
PayPal
PYPL
+$28.4M
3
DIS icon
Walt Disney
DIS
+$26.7M
4
KMX icon
CarMax
KMX
+$25.2M
5
CRM icon
Salesforce
CRM
+$24.3M

Sector Composition

Rank Sector Weight
1 Technology 22.31%
2 Healthcare 19.82%
3 Financials 12.49%
4 Industrials 11.58%
5 Consumer Discretionary 8.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BLV icon
1801
Vanguard Long-Term Bond ETF
BLV
$5.7B
– –
-272
Closed -$20K
BNTX icon
1802
BioNTech
BNTX
$23.3B
– –
-1,973
Closed -$266K
BPMC
1803
DELISTED
Blueprint Medicines
BPMC
– –
-3,530
Closed -$233K
BXP icon
1804
Boston Properties
BXP
$10.8B
– –
-2,713
Closed -$203K
CELH icon
1805
Celsius Holdings
CELH
$6.99B
– –
-10,245
Closed -$310K
CXM icon
1806
Sprinklr
CXM
$1.58B
– –
-14,213
Closed -$131K
DBRG icon
1807
DigitalBridge
DBRG
$2.95B
– –
-10,750
Closed -$134K
DIG icon
1808
ProShares Ultra Energy
DIG
$83.3M
– –
-456
Closed -$14K
DMRC icon
1809
Digimarc Corp
DMRC
$167M
– –
-13,925
Closed -$189K
DSTL icon
1810
Distillate US Fundamental Stability & Value ETF
DSTL
$2.05B
– –
-170
Closed -$6K
EQT icon
1811
EQT Corp
EQT
$33.8B
– –
-5,841
Closed -$238K
ERII icon
1812
Energy Recovery
ERII
$397M
– –
-11,457
Closed -$249K
EVER icon
1813
EverQuote
EVER
$867M
– –
-16,313
Closed -$111K
EWK icon
1814
iShares MSCI Belgium ETF
EWK
$162M
– –
-135
Closed -$2K
FCG icon
1815
First Trust Natural Gas ETF
FCG
$645M
– –
-200
Closed -$5K
GBIL icon
1816
Goldman Sachs Access Treasury 0-1 Year ETF
GBIL
$7.59B
– –
-886
Closed -$88K
GIGB icon
1817
Goldman Sachs Access Investment Grade Corporate Bond ETF
GIGB
$970M
– –
-6,719
Closed -$290K
GOCO
1818
DELISTED
GoHealth
GOCO
– –
-1,981
Closed -$11K
GXC icon
1819
State Street SPDR S&P China ETF
GXC
$474M
– –
-1
Closed –
HASI icon
1820
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.37B
– –
-8,141
Closed -$244K
HRTX icon
1821
Heron Therapeutics
HRTX
$64.7M
– –
-18,500
Closed -$78K
PPLI
1822
People Inc
PPLI
$3.02B
– –
-5,017
Closed -$228K
IGHG icon
1823
ProShares Investment Grade-Interest Rate Hedged
IGHG
$329M
– –
-17
Closed -$1K
IMKTA icon
1824
Ingles Markets
IMKTA
$1.66B
– –
-3,000
Closed -$238K
IPAC icon
1825
iShares Core MSCI Pacific ETF
IPAC
$2.78B
– –
-235
Closed -$11K
71 72
73
74 75

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William Blair & Company's Q4 2022 Portfolio in Review

As of Q4 2022, William Blair & Company held 1,905 positions worth $23B, up 5.6% from $21.8B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q4 2022 filing shows 81 new, 568 increased, 855 reduced and 91 closed positions. Its largest new stake was Atlassian: 230,078 shares worth $29.6M. The largest sale was Abiomed Inc, an estimated $103M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2022 buy was Atlassian: 230,078 shares worth $29.6M.
  • William Blair & Company added most to Pool Corp in Q4 2022, an estimated $43.2M increase.
  • William Blair & Company's biggest Q4 2022 reduction was PayPal, cutting an estimated $28.4M.
  • William Blair & Company fully exited Abiomed Inc in Q4 2022, selling an estimated $103M.
  • William Blair & Company's ten largest holdings make up 23% of its $23B portfolio in Q4 2022.
  • William Blair & Company opened 81 new positions and closed 91 in Q4 2022.
  • William Blair & Company's portfolio value rose 5.6% quarter-over-quarter to $23B.

Based on William Blair & Company's 13F filing for Q4 2022, filed 10 Feb 2023.