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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
VNQI icon
576
Vanguard Global ex-US Real Estate ETF
VNQI
$3.52B
$2.49M 0.01%
60,175
-7,514
-11% -$300K
VTEB icon
577
Vanguard Tax-Exempt Bond Index Fund
VTEB
$46.1B
$2.47M 0.01%
49,943
+20,284
+68% +$992K
MEDP icon
578
Medpace
MEDP
$16.4B
$2.45M 0.01%
11,534
-746
-6% -$149K
RSPT icon
579
Invesco S&P 500 Equal Weight Technology ETF
RSPT
$6B
$2.45M 0.01%
100,720
+100,180
+18,552% +$2.45M
CAKE icon
580
Cheesecake Factory
CAKE
$5.71B
$2.42M 0.01%
76,437
-24,739
-24% -$827K
BWXT icon
581
BWX Technologies
BWXT
$15.4B
$2.41M 0.01%
41,489
+198
+0.5% +$11.4K
CSGS
582
DELISTED
CSG Systems International
CSGS
$2.4M 0.01%
42,008
+396
+1% +$23.3K
B
583
Barrick Mining
B
$66.8B
$2.4M 0.01%
139,538
+27,312
+24% +$435K
STE icon
584
Steris
STE
$22.9B
$2.37M 0.01%
12,836
-1,581
-11% -$278K
RY icon
585
Royal Bank of Canada
RY
$298B
$2.37M 0.01%
25,187
+7
+0% +$661
WTW icon
586
Willis Towers Watson
WTW
$31B
$2.37M 0.01%
9,673
-8
-0.1% -$1.83K
TFC icon
587
Truist Financial
TFC
$64.6B
$2.37M 0.01%
54,965
-19,865
-27% -$871K
VDE icon
588
Vanguard Energy ETF
VDE
$10.4B
$2.36M 0.01%
19,481
-367
-2% -$44.7K
ED icon
589
Consolidated Edison
ED
$39.9B
$2.36M 0.01%
24,732
-1,383
-5% -$126K
CHKP icon
590
Check Point Software Technologies
CHKP
$13.3B
$2.32M 0.01%
18,366
-1,689
-8% -$211K
RVNC
591
DELISTED
Revance Therapeutics, Inc.
RVNC
$2.32M 0.01%
125,505
+15,200
+14% +$348K
ROKU icon
592
Roku
ROKU
$22.7B
$2.3M 0.01%
56,625
-58,273
-51% -$3.04M
SPMD icon
593
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$19B
$2.3M 0.01%
54,055
+50,966
+1,650% +$2.16M
IP icon
594
International Paper
IP
$21.8B
$2.29M 0.01%
66,254
-3,208
-5% -$111K
SOXX icon
595
iShares Semiconductor ETF
SOXX
$47.3B
$2.29M 0.01%
19,746
-13,398
-40% -$1.56M
FXH icon
596
First Trust Health Care AlphaDEX Fund
FXH
$1.11B
$2.29M 0.01%
21,046
-53
-0.3% -$5.56K
DRVN icon
597
Driven Brands
DRVN
$2.09B
$2.26M 0.01%
82,890
-2,400
-3% -$71.8K
BOOT icon
598
Boot Barn
BOOT
$4.99B
$2.26M 0.01%
36,145
+23,767
+192% +$1.43M
DLR icon
599
Digital Realty Trust
DLR
$73.1B
$2.24M 0.01%
22,321
-3,325
-13% -$339K
IJK icon
600
iShares S&P Mid-Cap 400 Growth ETF
IJK
$11.3B
$2.23M 0.01%
32,692
-586
-2% -$40.3K
22 23
24
25 26

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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.