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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+7.16%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$34.1B
AUM Growth
+$1.63B
Cap. Flow
-$169M
Cap. Flow %
-0.5%
Top 10 Hldgs %
23.77%
Holding
1,892
New
86
Increased
671
Reduced
778
Closed
71

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$92.1M
2
AAON icon
Aaon
AAON
+$55.5M
3
P
Everpure Inc
P
+$43.5M
4
BAH icon
Booz Allen Hamilton
BAH
+$29M
5
RBC icon
RBC Bearings
RBC
+$26.8M

Top Sells

Rank Stock Value
1
DXCM icon
DexCom
DXCM
+$128M
2
CRWD icon
CrowdStrike
CRWD
+$42.9M
3
BLK icon
Blackrock
BLK
+$42M
4
CSGP icon
CoStar Group
CSGP
+$41.5M
5
SBUX icon
Starbucks
SBUX
+$38.8M

Sector Composition

Rank Sector Weight
1 Technology 27.11%
2 Healthcare 14.76%
3 Financials 12.67%
4 Industrials 11.93%
5 Consumer Discretionary 7.9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WDAY icon
26
Workday
WDAY
$42B
$285M 0.84%
1,164,168
-92,248
-7% -$21.8M
NOW icon
27
ServiceNow
NOW
$121B
$278M 0.82%
1,553,115
+26,170
+2% +$4.3M
CPRT icon
28
Copart
CPRT
$26.9B
$274M 0.8%
5,220,807
-20,753
-0.4% -$1.08M
TYL icon
29
Tyler Technologies
TYL
$12.5B
$261M 0.77%
446,755
-13,957
-3% -$7.86M
VEEV icon
30
Veeva Systems
VEEV
$35.4B
$254M 0.75%
1,212,623
-139,094
-10% -$27.5M
TDG icon
31
TransDigm Group
TDG
$69.8B
$254M 0.74%
177,669
+285
+0.2% +$371K
INTU icon
32
Intuit
INTU
$88.1B
$253M 0.74%
406,851
-18,054
-4% -$11.5M
FAST icon
33
Fastenal
FAST
$58.3B
$234M 0.69%
6,549,152
+42,218
+0.6% +$1.43M
ABBV icon
34
AbbVie
ABBV
$431B
$231M 0.68%
1,171,336
+5,121
+0.4% +$956K
UNH icon
35
UnitedHealth
UNH
$367B
$230M 0.67%
392,754
+3,014
+0.8% +$1.7M
GWRE icon
36
Guidewire Software
GWRE
$13.3B
$228M 0.67%
1,248,157
-12,774
-1% -$1.94M
ISRG icon
37
Intuitive Surgical
ISRG
$132B
$228M 0.67%
464,779
-7,463
-2% -$3.47M
ACN icon
38
Accenture
ACN
$105B
$228M 0.67%
644,090
+6,237
+1% +$2.05M
IVV icon
39
iShares Core S&P 500 ETF
IVV
$897B
$227M 0.67%
393,752
+13,360
+4% +$7.43M
ECL icon
40
Ecolab
ECL
$79.8B
$222M 0.65%
868,759
-17,591
-2% -$4.3M
PANW icon
41
Palo Alto Networks
PANW
$293B
$221M 0.65%
1,292,860
+39,258
+3% +$6.61M
WMT icon
42
Walmart Inc
WMT
$892B
$206M 0.6%
2,548,965
+21,013
+0.8% +$1.54M
CTAS icon
43
Cintas
CTAS
$80.9B
$206M 0.6%
998,857
-43,063
-4% -$8.31M
AON icon
44
Aon
AON
$76.5B
$205M 0.6%
592,550
-9,967
-2% -$3.26M
BX icon
45
Blackstone
BX
$107B
$204M 0.6%
1,334,607
+37,958
+3% +$5.27M
META icon
46
Meta Platforms (Facebook)
META
$1.5T
$204M 0.6%
356,678
+25,412
+8% +$13.1M
APH icon
47
Amphenol
APH
$210B
$202M 0.59%
3,092,690
-39,794
-1% -$2.58M
AXP icon
48
American Express
AXP
$231B
$199M 0.58%
732,198
-6,301
-0.9% -$1.57M
CRM icon
49
Salesforce
CRM
$153B
$197M 0.58%
721,040
-58,626
-8% -$15M
BRK.B icon
50
Berkshire Hathaway Class B
BRK.B
$1.13T
$188M 0.55%
407,857
+1,553
+0.4% +$687K
1
2
3 4 5

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William Blair & Company's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair & Company held 1,892 positions worth $34.1B, up 5% from $32.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2024 filing shows 86 new, 671 increased, 778 reduced and 71 closed positions. Its largest new stake was PAR Technology: 73,733 shares worth $3.84M. The largest sale was DexCom, an estimated $128M.

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

  • William Blair & Company's largest Q3 2024 buy was PAR Technology: 73,733 shares worth $3.84M.
  • William Blair & Company added most to NVIDIA in Q3 2024, an estimated $92.1M increase.
  • William Blair & Company's biggest Q3 2024 reduction was DexCom, cutting an estimated $128M.
  • William Blair & Company fully exited Blackrock in Q3 2024, selling an estimated $42M.
  • William Blair & Company's ten largest holdings make up 24% of its $34.1B portfolio in Q3 2024.
  • William Blair & Company opened 86 new positions and closed 71 in Q3 2024.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $34.1B.

Based on William Blair & Company's 13F filing for Q3 2024, filed 12 Nov 2024.