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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
+9.7%
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
$27.3B
AUM Growth
+$2.26B
Cap. Flow
+$202M
Cap. Flow %
0.74%
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$28.3M
2
ALL icon
Allstate
ALL
+$25.8M
3
ISRG icon
Intuitive Surgical
ISRG
+$19.6M
4
NEOG icon
Neogen
NEOG
+$17.4M
5
DV icon
DoubleVerify
DV
+$17.3M

Top Sells

Rank Stock Value
1
NBIX icon
Neurocrine Biosciences
NBIX
+$29.1M
2
PLNT icon
Planet Fitness
PLNT
+$20.4M
3
ABNB icon
Airbnb
ABNB
+$17.1M
4
IBM icon
IBM
IBM
+$14.8M
5
XMTR icon
Xometry
XMTR
+$10.8M

Sector Composition

Rank Sector Weight
1 Technology 25.59%
2 Healthcare 18.44%
3 Industrials 11.64%
4 Financials 11.51%
5 Consumer Discretionary 8.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HD icon
26
Home Depot
HD
$353B
$211M 0.77%
679,127
+1,734
+0.3% +$512K
PGR icon
27
Progressive
PGR
$123B
$210M 0.77%
1,584,718
+117,461
+8% +$15.7M
ICE icon
28
Intercontinental Exchange
ICE
$84.9B
$208M 0.76%
1,842,428
+7,427
+0.4% +$804K
ABT icon
29
Abbott
ABT
$190B
$201M 0.74%
1,843,979
-19,471
-1% -$2.08M
INTU icon
30
Intuit
INTU
$92B
$197M 0.72%
430,991
-8,621
-2% -$3.78M
TYL icon
31
Tyler Technologies
TYL
$13.2B
$196M 0.72%
471,320
-9,549
-2% -$3.68M
FAST icon
32
Fastenal
FAST
$60.1B
$195M 0.71%
6,604,248
-8,454
-0.1% -$231K
ACN icon
33
Accenture
ACN
$110B
$193M 0.71%
627,023
+7,258
+1% +$2.11M
ECL icon
34
Ecolab
ECL
$79.8B
$177M 0.65%
947,209
+10,942
+1% +$1.88M
NVDA icon
35
NVIDIA
NVDA
$5.27T
$176M 0.65%
4,167,690
+181,730
+5% +$6.03M
UNH icon
36
UnitedHealth
UNH
$365B
$176M 0.65%
366,601
+4,195
+1% +$2.05M
NOW icon
37
ServiceNow
NOW
$132B
$172M 0.63%
1,534,705
-30,355
-2% -$3.03M
CRM icon
38
Salesforce
CRM
$162B
$172M 0.63%
814,873
-9,250
-1% -$1.89M
JNJ icon
39
Johnson & Johnson
JNJ
$626B
$166M 0.61%
1,005,634
-9,444
-0.9% -$1.52M
IVV icon
40
iShares Core S&P 500 ETF
IVV
$902B
$156M 0.57%
349,991
-2,367
-0.7% -$998K
LLY icon
41
Eli Lilly
LLY
$1.08T
$155M 0.57%
330,131
+12,633
+4% +$5.3M
TDG icon
42
TransDigm Group
TDG
$68.7B
$153M 0.56%
170,566
-448
-0.3% -$354K
ABBV icon
43
AbbVie
ABBV
$442B
$146M 0.53%
1,082,537
-73,092
-6% -$10.7M
AMT icon
44
American Tower
AMT
$79B
$143M 0.52%
736,886
+25,662
+4% +$5.02M
CTAS icon
45
Cintas
CTAS
$82.1B
$142M 0.52%
1,145,296
-928
-0.1% -$109K
PG icon
46
Procter & Gamble
PG
$338B
$141M 0.52%
926,622
-11,989
-1% -$1.81M
PANW icon
47
Palo Alto Networks
PANW
$313B
$140M 0.51%
1,097,496
-66,088
-6% -$6.88M
VEA icon
48
Vanguard FTSE Developed Markets ETF
VEA
$236B
$136M 0.5%
2,946,180
+115,330
+4% +$5.3M
DE icon
49
Deere & Co
DE
$167B
$136M 0.5%
334,412
-1,550
-0.5% -$593K
APH icon
50
Amphenol
APH
$206B
$131M 0.48%
3,088,812
+21,214
+0.7% +$824K
1
2
3 4 5

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William Blair & Company's Q2 2023 Portfolio in Review

As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
  • William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
  • William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
  • William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
  • William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
  • William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
  • William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.