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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
IWB icon
176
iShares Russell 1000 ETF
IWB
$50.5B
$24.9M 0.09%
102,151
-1,018
-1% -$234K
PAYX icon
177
Paychex
PAYX
$44.5B
$24.8M 0.09%
221,977
-14,820
-6% -$1.62M
VWO icon
178
Vanguard FTSE Emerging Markets ETF
VWO
$126B
$24.8M 0.09%
609,972
+42,877
+8% +$1.73M
ORCL icon
179
Oracle
ORCL
$451B
$24.6M 0.09%
206,973
+1,268
+0.6% +$131K
DSGX icon
180
Descartes Systems
DSGX
$6.61B
$24.5M 0.09%
306,136
+22,502
+8% +$1.75M
KRNT icon
181
Kornit Digital
KRNT
$833M
$23.5M 0.09%
800,466
+28,274
+4% +$639K
SJM icon
182
J.M. Smucker
SJM
$12.9B
$23.4M 0.09%
158,365
+23,314
+17% +$3.56M
AMGN icon
183
Amgen
AMGN
$226B
$23M 0.08%
103,506
-2,845
-3% -$660K
CL icon
184
Colgate-Palmolive
CL
$74.1B
$22.8M 0.08%
296,228
-11,735
-4% -$908K
SHOP icon
185
Shopify
SHOP
$203B
$22.7M 0.08%
351,598
+1,781
+0.5% +$101K
AZN icon
186
AstraZeneca
AZN
$244B
$22.7M 0.08%
158,529
-2,320
-1% -$341K
PLNT icon
187
Planet Fitness
PLNT
$3.69B
$22.6M 0.08%
335,760
-284,466
-46% -$20.4M
TIP icon
188
iShares TIPS Bond ETF
TIP
$14.7B
$22.6M 0.08%
210,138
-11,869
-5% -$1.29M
APD icon
189
Air Products & Chemicals
APD
$68B
$22.3M 0.08%
74,298
-189
-0.3% -$53.8K
TEAM icon
190
Atlassian
TEAM
$41.5B
$22.2M 0.08%
132,003
-9,613
-7% -$1.54M
OMC icon
191
Omnicom Group
OMC
$24.2B
$22.1M 0.08%
232,719
-4,691
-2% -$436K
GS icon
192
Goldman Sachs
GS
$304B
$22.1M 0.08%
68,548
+5,638
+9% +$1.85M
DV icon
193
DoubleVerify
DV
$2.04B
$22.1M 0.08%
567,379
+537,109
+1,774% +$17.3M
VMI icon
194
Valmont Industries
VMI
$9.47B
$21.5M 0.08%
74,038
+1,319
+2% +$381K
CCI icon
195
Crown Castle
CCI
$32.4B
$21.4M 0.08%
188,088
+1,359
+0.7% +$162K
TJX icon
196
TJX Companies
TJX
$169B
$21.4M 0.08%
252,589
+13,622
+6% +$1.07M
EQIX icon
197
Equinix
EQIX
$106B
$21M 0.08%
26,785
-3,136
-10% -$2.3M
IUSG icon
198
iShares Core S&P US Growth ETF
IUSG
$34B
$20.8M 0.08%
212,944
+15,525
+8% +$1.42M
ATVI
199
DELISTED
Activision Blizzard
ATVI
$20.6M 0.08%
244,605
-12,455
-5% -$1.01M
THS
200
DELISTED
Treehouse Foods
THS
$20.5M 0.07%
405,963
-12,758
-3% -$654K
6 7
8
9 10

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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.