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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
AXSM icon
926
Axsome Therapeutics
AXSM
$11.2B
$721K ﹤0.01%
9,350
-1,440
-13% -$86.1K
HUBG icon
927
HUB Group
HUBG
$2.55B
$720K ﹤0.01%
18,110
RAMP icon
928
LiveRamp
RAMP
$2.31B
$719K ﹤0.01%
30,667
-15,265
-33% -$308K
ECPG icon
929
Encore Capital Group
ECPG
$2.15B
$717K ﹤0.01%
14,962
VCR icon
930
Vanguard Consumer Discretionary ETF
VCR
$6.11B
$716K ﹤0.01%
3,271
+1,055
+48% +$247K
UAL icon
931
United Airlines
UAL
$41B
$716K ﹤0.01%
18,981
-1,483
-7% -$60.2K
FNV icon
932
Franco-Nevada
FNV
$44.7B
$711K ﹤0.01%
5,211
-605
-10% -$79.9K
RDFN
933
DELISTED
Redfin
RDFN
$709K ﹤0.01%
167,287
-94,659
-36% -$445K
PEG icon
934
Public Service Enterprise Group
PEG
$37.8B
$708K ﹤0.01%
11,560
-1,534
-12% -$89K
ACWI icon
935
iShares MSCI ACWI ETF
ACWI
$33.6B
$708K ﹤0.01%
8,341
-409
-5% -$34.4K
VNOM icon
936
Viper Energy
VNOM
$14.8B
$703K ﹤0.01%
22,100
+1,300
+6% +$42K
AYX
937
DELISTED
Alteryx Inc
AYX
$699K ﹤0.01%
13,790
-14,445
-51% -$689K
FL
938
DELISTED
Foot Locker
FL
$693K ﹤0.01%
+18,346
New +$629K
EVRG icon
939
Evergy
EVRG
$19.3B
$689K ﹤0.01%
10,945
-1,415
-11% -$85K
IYH icon
940
iShares US Healthcare ETF
IYH
$3.77B
$686K ﹤0.01%
12,095
-100
-0.8% -$5.52K
DCI icon
941
Donaldson
DCI
$11.1B
$686K ﹤0.01%
11,647
-17
-0.1% -$974
MKTX icon
942
MarketAxess Holdings
MKTX
$5.72B
$684K ﹤0.01%
2,452
+84
+4% +$21.6K
LGND icon
943
Ligand Pharmaceuticals
LGND
$5.76B
$683K ﹤0.01%
10,231
-6,169
-38% -$401K
OXY icon
944
Occidental Petroleum
OXY
$57.7B
$677K ﹤0.01%
10,741
-510
-5% -$34.7K
NGG icon
945
National Grid
NGG
$81.6B
$674K ﹤0.01%
11,850
-1,769
-13% -$94.6K
EPP icon
946
iShares MSCI Pacific ex Japan ETF
EPP
$2.24B
$673K ﹤0.01%
15,734
+3,165
+25% +$130K
TDY icon
947
Teledyne Technologies
TDY
$31.2B
$670K ﹤0.01%
1,675
-833
-33% -$324K
PSLV icon
948
Sprott Physical Silver Trust
PSLV
$13.3B
$668K ﹤0.01%
81,100
+1,550
+2% +$11.3K
BFAM icon
949
Bright Horizons
BFAM
$3.85B
$663K ﹤0.01%
10,509
-718
-6% -$47K
QURE icon
950
uniQure
QURE
$3.26B
$663K ﹤0.01%
+29,229
New +$631K

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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.