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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
UNH icon
26
UnitedHealth
UNH
$363B
$194M 0.84%
366,438
+6,601
+2% +$3.5M
ICE icon
27
Intercontinental Exchange
ICE
$84.7B
$190M 0.83%
1,856,731
-4,360
-0.2% -$434K
ABBV icon
28
AbbVie
ABBV
$441B
$189M 0.82%
1,167,085
-31,282
-3% -$4.8M
WSO icon
29
Watsco Inc
WSO
$12.7B
$177M 0.77%
709,552
+10,421
+1% +$2.74M
JNJ icon
30
Johnson & Johnson
JNJ
$626B
$176M 0.77%
996,394
+13,199
+1% +$2.28M
INTU icon
31
Intuit
INTU
$90.4B
$176M 0.76%
451,536
-4,062
-0.9% -$1.61M
ACN icon
32
Accenture
ACN
$108B
$169M 0.74%
635,119
-11,518
-2% -$3.19M
CPRT icon
33
Copart
CPRT
$26.7B
$168M 0.73%
5,528,538
+78,350
+1% +$2.35M
PGR icon
34
Progressive
PGR
$122B
$158M 0.69%
1,214,587
+65,984
+6% +$8.36M
FAST icon
35
Fastenal
FAST
$59.6B
$156M 0.68%
6,591,396
-120,016
-2% -$2.93M
TYL icon
36
Tyler Technologies
TYL
$12.9B
$154M 0.67%
477,636
+486
+0.1% +$159K
AMT icon
37
American Tower
AMT
$79.9B
$151M 0.66%
713,714
-17,034
-2% -$3.55M
LULU icon
38
lululemon athletica
LULU
$13.9B
$146M 0.63%
455,524
+965
+0.2% +$317K
DE icon
39
Deere & Co
DE
$166B
$142M 0.62%
330,705
+23,862
+8% +$9.7M
PG icon
40
Procter & Gamble
PG
$335B
$139M 0.61%
919,825
+12,178
+1% +$1.71M
IVV icon
41
iShares Core S&P 500 ETF
IVV
$903B
$139M 0.61%
362,752
+51,658
+17% +$19.9M
ECL icon
42
Ecolab
ECL
$78.6B
$134M 0.58%
922,469
-2,883
-0.3% -$424K
KO icon
43
Coca-Cola
KO
$373B
$134M 0.58%
2,105,572
+53,179
+3% +$3.21M
CTAS icon
44
Cintas
CTAS
$81.5B
$131M 0.57%
1,160,460
-6,304
-0.5% -$682K
NOW icon
45
ServiceNow
NOW
$128B
$117M 0.51%
1,501,650
-23,720
-2% -$1.85M
APH icon
46
Amphenol
APH
$211B
$117M 0.51%
3,062,852
+29,268
+1% +$1.11M
CRM icon
47
Salesforce
CRM
$158B
$116M 0.5%
871,851
-166,645
-16% -$24.3M
CVX icon
48
Chevron
CVX
$386B
$115M 0.5%
643,416
-11,244
-2% -$1.96M
LLY icon
49
Eli Lilly
LLY
$1.08T
$115M 0.5%
313,665
+7,976
+3% +$2.83M
UNP icon
50
Union Pacific
UNP
$173B
$112M 0.49%
540,284
-4,513
-0.8% -$926K
1
2
3 4 5

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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.