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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
+10.07%
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
$31.8B
AUM Growth
+$2.49B
Cap. Flow
+$139M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.43%
Holding
1,869
New
90
Increased
714
Reduced
722
Closed
82

Top Buys

Rank Stock Value
1
UBER icon
Uber
UBER
+$24.2M
2
IOT icon
Samsara
IOT
+$23.9M
3
PRCT icon
Procept Biorobotics
PRCT
+$20.5M
4
ISRG icon
Intuitive Surgical
ISRG
+$19.9M
5
AMZN icon
Amazon
AMZN
+$19.4M

Top Sells

Rank Stock Value
1
SPLK
Splunk Inc
SPLK
+$67.1M
2
MA icon
Mastercard
MA
+$65.4M
3
AON icon
Aon
AON
+$40.3M
4
FLYW icon
Flywire
FLYW
+$25.7M
5
DV icon
DoubleVerify
DV
+$19.5M

Sector Composition

Rank Sector Weight
1 Technology 25.75%
2 Healthcare 17.03%
3 Financials 12.35%
4 Industrials 11.88%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
INTU icon
26
Intuit
INTU
$91B
$279M 0.88%
428,955
-4,439
-1% -$2.83M
HD icon
27
Home Depot
HD
$345B
$273M 0.86%
711,908
+12,448
+2% +$4.55M
LLY icon
28
Eli Lilly
LLY
$1.09T
$258M 0.81%
331,455
+5,888
+2% +$4.19M
ICE icon
29
Intercontinental Exchange
ICE
$84.8B
$257M 0.81%
1,866,776
+17,008
+0.9% +$2.26M
FAST icon
30
Fastenal
FAST
$60B
$253M 0.79%
6,549,664
-1,894
-0% -$67K
UBER icon
31
Uber
UBER
$154B
$247M 0.78%
3,210,584
+337,219
+12% +$24.2M
CRM icon
32
Salesforce
CRM
$158B
$243M 0.76%
807,203
-119
-0% -$34.3K
NOW icon
33
ServiceNow
NOW
$129B
$230M 0.72%
1,505,510
-29,380
-2% -$4.45M
ACN icon
34
Accenture
ACN
$108B
$220M 0.69%
634,504
+12,888
+2% +$4.7M
TDG icon
35
TransDigm Group
TDG
$69.1B
$218M 0.69%
177,196
+4,213
+2% +$4.74M
ECL icon
36
Ecolab
ECL
$78.8B
$208M 0.65%
900,002
-10,044
-1% -$2.13M
ABBV icon
37
AbbVie
ABBV
$439B
$207M 0.65%
1,137,942
+81,141
+8% +$14M
AON icon
38
Aon
AON
$74.7B
$204M 0.64%
611,165
-129,876
-18% -$40.3M
ABT icon
39
Abbott
ABT
$192B
$202M 0.63%
1,774,236
+34,029
+2% +$3.9M
SBUX icon
40
Starbucks
SBUX
$123B
$197M 0.62%
2,156,711
-50,384
-2% -$4.69M
TYL icon
41
Tyler Technologies
TYL
$13B
$197M 0.62%
463,612
+2,134
+0.5% +$911K
IVV icon
42
iShares Core S&P 500 ETF
IVV
$904B
$193M 0.61%
366,691
+15,098
+4% +$7.55M
UNH icon
43
UnitedHealth
UNH
$364B
$189M 0.59%
382,828
+3,526
+0.9% +$1.79M
CTAS icon
44
Cintas
CTAS
$81.9B
$185M 0.58%
1,079,080
-30,604
-3% -$4.71M
ISRG icon
45
Intuitive Surgical
ISRG
$143B
$179M 0.56%
448,575
+52,693
+13% +$19.9M
APH icon
46
Amphenol
APH
$211B
$177M 0.56%
3,072,748
+8,498
+0.3% +$445K
PANW icon
47
Palo Alto Networks
PANW
$314B
$177M 0.56%
1,246,920
+1,478
+0.1% +$233K
BRK.B icon
48
Berkshire Hathaway Class B
BRK.B
$1.09T
$166M 0.52%
395,699
+15,215
+4% +$5.98M
AXP icon
49
American Express
AXP
$230B
$166M 0.52%
729,402
+18,402
+3% +$3.82M
RYAN icon
50
Ryan Specialty Holdings
RYAN
$10.7B
$154M 0.48%
2,771,340
+71,024
+3% +$3.39M
1
2
3 4 5

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William Blair & Company's Q1 2024 Portfolio in Review

As of Q1 2024, William Blair & Company held 1,869 positions worth $31.8B, up 8.5% from $29.3B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q1 2024 filing shows 90 new, 714 increased, 722 reduced and 82 closed positions. Its largest new stake was Procept Biorobotics: 429,793 shares worth $21.2M. The largest sale was Splunk Inc, an estimated $67.1M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2024 buy was Procept Biorobotics: 429,793 shares worth $21.2M.
  • William Blair & Company added most to Uber in Q1 2024, an estimated $24.2M increase.
  • William Blair & Company's biggest Q1 2024 reduction was Mastercard, cutting an estimated $65.4M.
  • William Blair & Company fully exited Splunk Inc in Q1 2024, selling an estimated $67.1M.
  • William Blair & Company's ten largest holdings make up 23% of its $31.8B portfolio in Q1 2024.
  • William Blair & Company opened 90 new positions and closed 82 in Q1 2024.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.8B.

Based on William Blair & Company's 13F filing for Q1 2024, filed 9 May 2024.