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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
-3.85%
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
$26.1B
AUM Growth
-$1.22B
Cap. Flow
+$114M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.71%
Holding
1,877
New
67
Increased
674
Reduced
719
Closed
85

Top Buys

Rank Stock Value
1
KVUE icon
Kenvue
KVUE
+$32.2M
2
LZ icon
LegalZoom.com
LZ
+$26.6M
3
CRWD icon
CrowdStrike
CRWD
+$24M
4
CSGP icon
CoStar Group
CSGP
+$20.8M
5
GNRC icon
Generac Holdings
GNRC
+$18.3M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$37.6M
2
PODD icon
Insulet
PODD
+$37.3M
3
NVDA icon
NVIDIA
NVDA
+$24.8M
4
ATVI
Activision Blizzard
ATVI
+$20.6M
5
SBUX icon
Starbucks
SBUX
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 25.36%
2 Healthcare 17.61%
3 Financials 12.07%
4 Industrials 11.66%
5 Consumer Discretionary 8.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ABNB icon
101
Airbnb
ABNB
$108B
$63.7M 0.24%
463,919
-9,711
-2% -$1.34M
SPT icon
102
Sprout Social
SPT
$579M
$61.6M 0.24%
1,234,224
+154,369
+14% +$7.74M
LOW icon
103
Lowe's Companies
LOW
$121B
$60.1M 0.23%
289,030
+16,477
+6% +$3.71M
ALGN icon
104
Align Technology
ALGN
$12.4B
$58.4M 0.22%
191,376
+7,641
+4% +$2.64M
EFA icon
105
iShares MSCI EAFE ETF
EFA
$80.2B
$57.5M 0.22%
834,926
-53,747
-6% -$3.85M
TSLA icon
106
Tesla
TSLA
$1.29T
$57.5M 0.22%
229,864
+8,354
+4% +$2.15M
MSI icon
107
Motorola Solutions
MSI
$77.7B
$57.3M 0.22%
210,649
+8,988
+4% +$2.56M
GD icon
108
General Dynamics
GD
$107B
$56.5M 0.22%
255,793
+12,425
+5% +$2.75M
MKC icon
109
McCormick & Company Non-Voting
MKC
$14.2B
$54M 0.21%
714,282
-7,151
-1% -$597K
WAB icon
110
Wabtec
WAB
$49.9B
$53.9M 0.21%
507,417
-7,850
-2% -$874K
BA icon
111
Boeing
BA
$183B
$53.8M 0.21%
280,523
+7,711
+3% +$1.69M
IBM icon
112
IBM
IBM
$222B
$53.3M 0.2%
379,928
-5,249
-1% -$747K
TREX icon
113
Trex
TREX
$5.05B
$51.3M 0.2%
832,972
+5,823
+0.7% +$400K
AVGO icon
114
Broadcom
AVGO
$1.98T
$48.8M 0.19%
588,050
-7,680
-1% -$666K
RMD icon
115
ResMed
RMD
$32.8B
$47.7M 0.18%
322,808
-25,390
-7% -$4.59M
RBA icon
116
RB Global
RBA
$16B
$47.3M 0.18%
757,381
+31,335
+4% +$1.93M
IWV icon
117
iShares Russell 3000 ETF
IWV
$20.4B
$47M 0.18%
191,814
+474
+0.2% +$121K
NFLX icon
118
Netflix
NFLX
$309B
$46.9M 0.18%
1,241,100
+381,750
+44% +$16.2M
VUG icon
119
Vanguard Morningstar Growth ETF
VUG
$229B
$46.5M 0.18%
1,024,470
-9,258
-0.9% -$437K
IWF icon
120
iShares Russell 1000 Growth ETF
IWF
$128B
$45.4M 0.17%
683,012
+39,720
+6% +$2.74M
BAH icon
121
Booz Allen Hamilton
BAH
$9.43B
$44.8M 0.17%
410,226
+36,329
+10% +$4.18M
DIS icon
122
Walt Disney
DIS
$178B
$44.7M 0.17%
551,158
-2,394
-0.4% -$204K
NOVT icon
123
Novanta
NOVT
$6.32B
$44.3M 0.17%
308,961
+54,995
+22% +$8.96M
TXN icon
124
Texas Instruments
TXN
$253B
$43.7M 0.17%
274,925
-4,689
-2% -$800K
VTI icon
125
Vanguard Morningstar Total Stock Market ETF
VTI
$691B
$42.6M 0.16%
200,761
+14,427
+8% +$3.19M
3 4
5
6 7

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William Blair & Company's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair & Company held 1,877 positions worth $26.1B, down 4.5% from $27.3B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2023 filing shows 67 new, 674 increased, 719 reduced and 85 closed positions. Its largest new stake was Kenvue: 1,391,743 shares worth $27.9M. The largest sale was Apple, an estimated $37.6M.

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

  • William Blair & Company's largest Q3 2023 buy was Kenvue: 1,391,743 shares worth $27.9M.
  • William Blair & Company added most to LegalZoom.com in Q3 2023, an estimated $26.6M increase.
  • William Blair & Company's biggest Q3 2023 reduction was Apple, cutting an estimated $37.6M.
  • William Blair & Company fully exited Activision Blizzard in Q3 2023, selling an estimated $20.6M.
  • William Blair & Company's ten largest holdings make up 24% of its $26.1B portfolio in Q3 2023.
  • William Blair & Company opened 67 new positions and closed 85 in Q3 2023.
  • William Blair & Company's portfolio value fell 4.5% quarter-over-quarter to $26.1B.

Based on William Blair & Company's 13F filing for Q3 2023, filed 9 Nov 2023.