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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
COCO icon
901
Vita Coco
COCO
$3.77B
$795K ﹤0.01%
57,500
– –
SPCE icon
902
Virgin Galactic
SPCE
$475M
$791K ﹤0.01%
11,362
-431
-4% -$40.2K
ONEM
903
DELISTED
1Life Healthcare
ONEM
$790K ﹤0.01%
47,276
-5,595
-11% -$94.5K
SNY icon
904
Sanofi
SNY
$105B
$789K ﹤0.01%
16,301
-277
-2% -$12.2K
APAM icon
905
Artisan Partners
APAM
$3.03B
$788K ﹤0.01%
26,538
-5,983
-18% -$184K
EXPD icon
906
Expeditors International
EXPD
$24.3B
$788K ﹤0.01%
7,580
-717
-9% -$73.9K
ACHC icon
907
Acadia Healthcare
ACHC
$2.82B
$786K ﹤0.01%
9,547
-3,563
-27% -$294K
WBD icon
908
Warner Bros
WBD
$69.6B
$785K ﹤0.01%
82,846
-41,590
-33% -$470K
LUV icon
909
Southwest Airlines
LUV
$22B
$784K ﹤0.01%
23,299
-1,071
-4% -$38.6K
AMJ
910
DELISTED
JP Morgan Alerian MLP Index ETN 5/24/24
AMJ
$781K ﹤0.01%
35,918
-460
-1% -$10.1K
RSPG icon
911
Invesco S&P 500 Equal Weight Energy ETF
RSPG
$597M
$781K ﹤0.01%
10,745
+2,994
+39% +$220K
BBEU icon
912
JPMorgan BetaBuilders Europe ETF
BBEU
$9.53B
$780K ﹤0.01%
16,080
+78
+0.5% +$3.59K
FTI icon
913
TechnipFMC
FTI
$30.1B
$773K ﹤0.01%
63,422
+9,598
+18% +$107K
DBEF icon
914
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.46B
$772K ﹤0.01%
23,963
-38,247
-61% -$1.35M
GDXJ icon
915
VanEck Junior Gold Miners ETF
GDXJ
$8.33B
$768K ﹤0.01%
21,551
-18,500
-46% -$609K
STOR
916
DELISTED
STORE Capital Corporation
STOR
$765K ﹤0.01%
23,864
-143
-0.6% -$4.54K
PSA icon
917
Public Storage
PSA
$61.4B
$762K ﹤0.01%
2,718
-122
-4% -$35.6K
IWY icon
918
iShares Russell Top 200 Growth ETF
IWY
$16.7B
$760K ﹤0.01%
6,308
-1,848
-23% -$230K
IBDO
919
DELISTED
iShares iBonds Dec 2023 Term Corporate ETF
IBDO
$745K ﹤0.01%
29,755
– –
FTCS icon
920
First Trust Capital Strength ETF
FTCS
$8.02B
$744K ﹤0.01%
9,922
– –
SONY icon
921
Sony
SONY
$138B
$740K ﹤0.01%
48,520
-2,250
-4% -$33.6K
XLC icon
922
State Street Communication Services Select Sector SPDR ETF
XLC
$22.8B
$739K ﹤0.01%
15,389
-67,846
-82% -$3.32M
MPLX icon
923
MPLX
MPLX
$59.6B
$738K ﹤0.01%
22,466
-8,083
-26% -$264K
RILY icon
924
BRC Group Holdings
RILY
$303M
$736K ﹤0.01%
21,512
-1,991
-8% -$83.4K
URTH icon
925
iShares MSCI World ETF
URTH
$8.4B
$727K ﹤0.01%
6,650
+45
+0.7% +$4.88K
35 36
37
38 39

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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.