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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
+10.3%
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
$25B
AUM Growth
+$2.04B
Cap. Flow
+$116M
Cap. Flow %
0.46%
Top 10 Hldgs %
23.68%
Holding
1,879
New
69
Increased
680
Reduced
748
Closed
78

Top Buys

Rank Stock Value
1
NEOG icon
Neogen
NEOG
+$45.2M
2
PGR icon
Progressive
PGR
+$34.8M
3
TOST icon
Toast
TOST
+$33.8M
4
PWSC
PowerSchool Holdings, Inc.
PWSC
+$33.4M
5
UBER icon
Uber
UBER
+$30.4M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$54.2M
2
LULU icon
lululemon athletica
LULU
+$53.4M
3
PYPL icon
PayPal
PYPL
+$45.8M
4
BAH icon
Booz Allen Hamilton
BAH
+$20.2M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 24.61%
2 Healthcare 19.42%
3 Financials 11.75%
4 Industrials 11.37%
5 Consumer Discretionary 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FTNT icon
176
Fortinet
FTNT
$118B
$25.2M 0.1%
379,010
+68,904
+22% +$3.92M
CCI icon
177
Crown Castle
CCI
$31.5B
$25M 0.1%
186,729
-4,086
-2% -$565K
GLD icon
178
SPDR Gold Trust
GLD
$144B
$24.9M 0.1%
135,950
-2,995
-2% -$527K
DVAX
179
DELISTED
Dynavax Technologies
DVAX
$24.8M 0.1%
2,529,819
+43,550
+2% +$465K
TIP icon
180
iShares TIPS Bond ETF
TIP
$14.7B
$24.5M 0.1%
222,007
-5,720
-3% -$619K
TEAM icon
181
Atlassian
TEAM
$39.4B
$24.2M 0.1%
141,616
-88,462
-38% -$14.1M
BRK.A icon
182
Berkshire Hathaway Class A
BRK.A
$1.09T
$24.2M 0.1%
52
-3
-5% -$1.4M
IWB icon
183
iShares Russell 1000 ETF
IWB
$50.2B
$23.2M 0.09%
103,169
+1,281
+1% +$282K
VMI icon
184
Valmont Industries
VMI
$9.52B
$23.2M 0.09%
72,719
-1,325
-2% -$423K
CL icon
185
Colgate-Palmolive
CL
$73.6B
$23.1M 0.09%
307,963
+509
+0.2% +$37.8K
YETI icon
186
Yeti Holdings
YETI
$3.85B
$23M 0.09%
573,941
-252,244
-31% -$10.4M
VWO icon
187
Vanguard FTSE Emerging Markets ETF
VWO
$126B
$22.9M 0.09%
567,095
+39,020
+7% +$1.59M
DSGX icon
188
Descartes Systems
DSGX
$6.65B
$22.9M 0.09%
283,634
+71,037
+33% +$5.29M
OMC icon
189
Omnicom Group
OMC
$23.5B
$22.4M 0.09%
237,410
+3,944
+2% +$349K
AZN icon
190
AstraZeneca
AZN
$246B
$22.3M 0.09%
160,849
-3,037
-2% -$409K
ATVI
191
DELISTED
Activision Blizzard
ATVI
$22M 0.09%
257,060
-4,003
-2% -$311K
PRVA icon
192
Privia Health
PRVA
$2.75B
$22M 0.09%
795,320
+83,029
+12% +$2.19M
AMD icon
193
Advanced Micro Devices
AMD
$788B
$21.9M 0.09%
223,053
-1,766
-0.8% -$144K
EQIX icon
194
Equinix
EQIX
$105B
$21.6M 0.09%
29,921
+576
+2% +$406K
APD icon
195
Air Products & Chemicals
APD
$67.7B
$21.4M 0.09%
74,487
+877
+1% +$256K
KHC icon
196
Kraft Heinz
KHC
$29.1B
$21.4M 0.09%
552,694
-4,844
-0.9% -$192K
SJM icon
197
J.M. Smucker
SJM
$12.7B
$21.3M 0.08%
135,051
+2,250
+2% +$342K
TRMB icon
198
Trimble
TRMB
$13.1B
$21.1M 0.08%
402,865
-153,858
-28% -$8.21M
THS
199
DELISTED
Treehouse Foods
THS
$21.1M 0.08%
418,721
-3,717
-0.9% -$180K
GS icon
200
Goldman Sachs
GS
$302B
$20.6M 0.08%
62,910
-2,776
-4% -$966K
6 7
8
9 10

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William Blair & Company's Q1 2023 Portfolio in Review

As of Q1 2023, William Blair & Company held 1,879 positions worth $25B, up 8.9% from $23B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2023 filing shows 69 new, 680 increased, 748 reduced and 78 closed positions. Its largest new stake was Neogen: 2,404,277 shares worth $44.5M. The largest sale was Alphabet (Google) Class C, an estimated $54.2M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 22% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2023 buy was Neogen: 2,404,277 shares worth $44.5M.
  • William Blair & Company added most to Progressive in Q1 2023, an estimated $34.8M increase.
  • William Blair & Company's biggest Q1 2023 reduction was Alphabet (Google) Class C, cutting an estimated $54.2M.
  • William Blair & Company fully exited Coupa Software Incorporated in Q1 2023, selling an estimated $2.65M.
  • William Blair & Company's ten largest holdings make up 24% of its $25B portfolio in Q1 2023.
  • William Blair & Company opened 69 new positions and closed 78 in Q1 2023.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $25B.

Based on William Blair & Company's 13F filing for Q1 2023, filed 12 May 2023.