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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
+1.74%
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
$32.4B
AUM Growth
+$583M
Cap. Flow
+$654M
Cap. Flow %
2.02%
Top 10 Hldgs %
24.5%
Holding
1,893
New
89
Increased
716
Reduced
748
Closed
71

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$57.9M
2
UBER icon
Uber
UBER
+$55.4M
3
MSFT icon
Microsoft
MSFT
+$52.4M
4
XOM icon
ExxonMobil
XOM
+$44.2M
5
AAON icon
Aaon
AAON
+$42M

Top Sells

Rank Stock Value
1
PWSC
PowerSchool Holdings, Inc.
PWSC
+$70.4M
2
WDAY icon
Workday
WDAY
+$67.8M
3
PXD
Pioneer Natural Resource Co.
PXD
+$40M
4
DXCM icon
DexCom
DXCM
+$29.5M
5
SBUX icon
Starbucks
SBUX
+$29.4M

Sector Composition

Rank Sector Weight
1 Technology 27.24%
2 Healthcare 15.67%
3 Financials 12.01%
4 Industrials 11.46%
5 Consumer Discretionary 8.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
INTU icon
26
Intuit
INTU
$92B
$279M 0.86%
424,905
-4,050
-0.9% -$2.51M
POOL icon
27
Pool Corp
POOL
$7.32B
$263M 0.81%
854,709
+11,059
+1% +$4M
ICE icon
28
Intercontinental Exchange
ICE
$84.9B
$254M 0.78%
1,855,373
-11,403
-0.6% -$1.53M
HD icon
29
Home Depot
HD
$353B
$251M 0.78%
729,947
+18,039
+3% +$6.15M
VEEV icon
30
Veeva Systems
VEEV
$38.4B
$247M 0.76%
1,351,717
-107,381
-7% -$21.3M
NOW icon
31
ServiceNow
NOW
$132B
$240M 0.74%
1,526,945
+21,435
+1% +$3.15M
TYL icon
32
Tyler Technologies
TYL
$13.2B
$232M 0.71%
460,712
-2,900
-0.6% -$1.34M
TDG icon
33
TransDigm Group
TDG
$68.7B
$227M 0.7%
177,384
+188
+0.1% +$241K
PANW icon
34
Palo Alto Networks
PANW
$313B
$212M 0.66%
1,253,602
+6,682
+0.5% +$999K
APH icon
35
Amphenol
APH
$206B
$211M 0.65%
3,132,484
+59,736
+2% +$3.77M
ECL icon
36
Ecolab
ECL
$79.8B
$211M 0.65%
886,350
-13,652
-2% -$3.15M
ISRG icon
37
Intuitive Surgical
ISRG
$142B
$210M 0.65%
472,242
+23,667
+5% +$9.43M
IVV icon
38
iShares Core S&P 500 ETF
IVV
$902B
$208M 0.64%
380,392
+13,701
+4% +$7.2M
FAST icon
39
Fastenal
FAST
$60.1B
$204M 0.63%
6,506,934
-42,730
-0.7% -$1.44M
CRM icon
40
Salesforce
CRM
$162B
$200M 0.62%
779,666
-27,537
-3% -$7.37M
ABBV icon
41
AbbVie
ABBV
$442B
$200M 0.62%
1,166,215
+28,273
+2% +$4.68M
UNH icon
42
UnitedHealth
UNH
$365B
$198M 0.61%
389,740
+6,912
+2% +$3.39M
ACN icon
43
Accenture
ACN
$110B
$194M 0.6%
637,853
+3,349
+0.5% +$1.03M
CTAS icon
44
Cintas
CTAS
$82.1B
$182M 0.56%
1,041,920
-37,160
-3% -$6.35M
ABT icon
45
Abbott
ABT
$190B
$182M 0.56%
1,747,920
-26,316
-1% -$2.79M
AON icon
46
Aon
AON
$75.6B
$177M 0.55%
602,517
-8,648
-1% -$2.56M
GWRE icon
47
Guidewire Software
GWRE
$14.7B
$174M 0.54%
1,260,931
+16,515
+1% +$1.99M
WMT icon
48
Walmart Inc
WMT
$901B
$171M 0.53%
2,527,952
+29,857
+1% +$1.88M
AXP icon
49
American Express
AXP
$230B
$171M 0.53%
738,499
+9,097
+1% +$2.11M
META icon
50
Meta Platforms (Facebook)
META
$1.53T
$167M 0.52%
331,266
+19,899
+6% +$9.67M
1
2
3 4 5

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William Blair & Company's Q2 2024 Portfolio in Review

As of Q2 2024, William Blair & Company held 1,893 positions worth $32.4B, up 1.8% from $31.8B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2024 filing shows 89 new, 716 increased, 748 reduced and 71 closed positions. Its largest new stake was Aaon: 515,063 shares worth $44.9M. The largest sale was PowerSchool Holdings, Inc., an estimated $70.4M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2024 buy was Aaon: 515,063 shares worth $44.9M.
  • William Blair & Company added most to Apple in Q2 2024, an estimated $57.9M increase.
  • William Blair & Company's biggest Q2 2024 reduction was PowerSchool Holdings, Inc., cutting an estimated $70.4M.
  • William Blair & Company fully exited Pioneer Natural Resource Co. in Q2 2024, selling an estimated $40M.
  • William Blair & Company's ten largest holdings make up 24% of its $32.4B portfolio in Q2 2024.
  • William Blair & Company opened 89 new positions and closed 71 in Q2 2024.
  • William Blair & Company's portfolio value rose 1.8% quarter-over-quarter to $32.4B.

Based on William Blair & Company's 13F filing for Q2 2024, filed 12 Aug 2024.