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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
DWX icon
1751
State Street SPDR S&P International Dividend ETF
DWX
$529M
$1.65K ﹤0.01%
50
– –
PIIIW icon
1752
P3 Health Partners Inc Warrant
PIIIW
$199K
$1.32K ﹤0.01%
7,765
– –
MXI icon
1753
iShares Global Materials ETF
MXI
$361M
$1.29K ﹤0.01%
16
– –
IGLB icon
1754
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.78B
$1.13K ﹤0.01%
+24
New +$1.19K
MJ icon
1755
Amplify Alternative Harvest ETF
MJ
$111M
$1.1K ﹤0.01%
25
-2
-7% -$81
GENZ
1756
VanEck Digital Native Economy ETF
GENZ
$17.5M
$795 ﹤0.01%
20
-500
-96% -$21.9K
HYEM icon
1757
VanEck Emerging Markets High Yield Bond ETF
HYEM
$526M
$788 ﹤0.01%
44
+1
+2% +$18
FIW icon
1758
First Trust Water ETF
FIW
$1.92B
$759 ﹤0.01%
9
– –
RYLD icon
1759
Global X Russell 2000 Covered Call ETF
RYLD
$1.39B
$597 ﹤0.01%
35
– –
CHGG icon
1760
Chegg
CHGG
$88.9M
$455 ﹤0.01%
51
-518
-91% -$5.05K
SPHY icon
1761
State Street SPDR Portfolio High Yield Bond ETF
SPHY
$12B
$437 ﹤0.01%
19
– –
UPRO icon
1762
ProShares UltraPro S&P 500
UPRO
$5.74B
$383 ﹤0.01%
9
– –
EBND icon
1763
State Street SPDR Bloomberg Emerging Markets Local Bond ETF
EBND
$2.27B
$377 ﹤0.01%
19
– –
ISPOW
1764
DELISTED
Inspirato Inc Warrant
ISPOW
$377 ﹤0.01%
15,000
– –
BUZZ icon
1765
VanEck Social Sentiment ETF
BUZZ
$101M
$339 ﹤0.01%
22
– –
PSR icon
1766
Invesco Active US Real Estate Fund
PSR
$59.2M
$316 ﹤0.01%
4
– –
SPTM icon
1767
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14.1B
$315 ﹤0.01%
+6
New +$328
SPMB icon
1768
State Street SPDR Portfolio Mortgage Backed Bond ETF
SPMB
$7.05B
$252 ﹤0.01%
12
– –
DFNM icon
1769
Dimensional National Municipal Bond ETF
DFNM
$2.26B
$232 ﹤0.01%
+5
New +$237
IBTE
1770
DELISTED
iShares iBonds Dec 2024 Term Treasury ETF
IBTE
$167 ﹤0.01%
7
-24,970
-100% -$594K
SRS icon
1771
ProShares UltraShort Real Estate
SRS
$16.1M
$103 ﹤0.01%
1
– –
PEJ icon
1772
Invesco Leisure and Entertainment ETF
PEJ
$312M
$77 ﹤0.01%
+2
New +$82
AA icon
1773
Alcoa
AA
$13.5B
– –
-6,371
Closed -$216K
ATEC icon
1774
Alphatec Holdings
ATEC
$1.49B
– –
-37,575
Closed -$676K
BASE
1775
DELISTED
Couchbase
BASE
– –
-11,900
Closed -$188K
69 70
71
72 73

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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.