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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
RGF
726
DELISTED
The Real Good Food Company, Inc. Class A Common Stock
RGF
$1.52M 0.01%
37,721
+33,085
+714% +$1.62M
EQR icon
727
Equity Residential
EQR
$24.7B
$1.49M 0.01%
25,390
-65
-0.3% -$4.2K
SPDW icon
728
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42.1B
$1.48M 0.01%
47,774
+3,534
+8% +$114K
FCNCA icon
729
First Citizens BancShares
FCNCA
$25.7B
$1.48M 0.01%
1,073
-301
-22% -$414K
WTFC icon
730
Wintrust Financial
WTFC
$10.9B
$1.48M 0.01%
19,591
-20
-0.1% -$1.57K
TER icon
731
Teradyne
TER
$65.1B
$1.47M 0.01%
14,667
-635
-4% -$67K
IPG
732
DELISTED
Interpublic Group of Companies
IPG
$1.47M 0.01%
51,225
-1,969
-4% -$65.7K
XLB icon
733
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
$1.44M 0.01%
36,720
-614
-2% -$25.2K
IJT icon
734
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.43B
$1.43M 0.01%
13,059
-16
-0.1% -$1.85K
KEYS icon
735
Keysight
KEYS
$60.5B
$1.43M 0.01%
10,777
-2,030
-16% -$301K
AVY icon
736
Avery Dennison
AVY
$13.5B
$1.42M 0.01%
7,788
-90
-1% -$16.3K
SCZ icon
737
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
$1.42M 0.01%
25,155
+2,098
+9% +$124K
DFUV icon
738
Dimensional US Marketwide Value ETF
DFUV
$16B
$1.42M 0.01%
41,707
+187
+0.5% +$6.55K
HYMB icon
739
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.37B
$1.42M 0.01%
59,510
+7,265
+14% +$179K
SPLV icon
740
Invesco S&P 500 Low Volatility ETF
SPLV
$7.21B
$1.4M 0.01%
23,891
-779
-3% -$48.1K
MORN icon
741
Morningstar
MORN
$7.59B
$1.4M 0.01%
5,988
-8
-0.1% -$1.81K
FICO icon
742
Fair Isaac
FICO
$23.4B
$1.4M 0.01%
1,614
-70
-4% -$60.1K
LQD icon
743
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.8B
$1.4M 0.01%
13,731
+1,528
+13% +$161K
SBDS
744
DELISTED
Solo Brands Inc
SBDS
$1.4M 0.01%
6,864
-213
-3% -$46.5K
RPM icon
745
RPM International
RPM
$14.5B
$1.4M 0.01%
14,715
+105
+0.7% +$10.2K
AWK icon
746
American Water Works
AWK
$27.1B
$1.39M 0.01%
11,210
-500
-4% -$70.1K
DGX icon
747
Quest Diagnostics
DGX
$26.1B
$1.39M 0.01%
11,385
-3,100
-21% -$413K
TLT icon
748
iShares 20+ Year Treasury Bond ETF
TLT
$40.8B
$1.39M 0.01%
15,621
+743
+5% +$71.4K
SCHO icon
749
Schwab Short-Term US Treasury ETF
SCHO
$13B
$1.38M 0.01%
57,558
+4,612
+9% +$111K
AFL icon
750
Aflac
AFL
$60.7B
$1.37M 0.01%
17,873
-627
-3% -$46.5K
28 29
30
31 32

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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.