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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
RSPM icon
1501
Invesco S&P 500 Equal Weight Materials ETF
RSPM
$184M
$92.9K ﹤0.01%
2,996
+1
+0% +$32
PCT icon
1502
PureCycle Technologies
PCT
$1.44B
$92.4K ﹤0.01%
16,471
– –
REZ icon
1503
iShares Residential and Multisector Real Estate ETF
REZ
$848M
$91.8K ﹤0.01%
1,392
-400
-22% -$28.6K
AOA icon
1504
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.28B
$91.2K ﹤0.01%
1,436
+1,057
+279% +$69.5K
WIP icon
1505
State Street SPDR FTSE International Government Inflation-Protected Bond ETF
WIP
$474M
$89.6K ﹤0.01%
+2,302
New +$94.1K
LUMN icon
1506
Lumen
LUMN
$6.49B
$88.3K ﹤0.01%
+62,171
New +$105K
SPHD icon
1507
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.39B
$88.2K ﹤0.01%
2,250
-91
-4% -$3.75K
IMTB icon
1508
iShares Core 5-10 Year USD Bond ETF
IMTB
$275M
$88K ﹤0.01%
2,136
-580
-21% -$24.5K
XHB icon
1509
State Street SPDR S&P Homebuilders ETF
XHB
$1.58B
$87.8K ﹤0.01%
1,146
+72
+7% +$5.85K
LCID icon
1510
Lucid Motors
LCID
$2.58B
$87.7K ﹤0.01%
1,569
+567
+57% +$36.7K
ILF icon
1511
iShares Latin America 40 ETF
ILF
$3.71B
$87.6K ﹤0.01%
3,428
-19
-0.6% -$507
EWW icon
1512
iShares MSCI Mexico ETF
EWW
$1.9B
$87.3K ﹤0.01%
+1,500
New +$92.9K
IGF icon
1513
iShares Global Infrastructure ETF
IGF
$10.7B
$87.1K ﹤0.01%
2,012
-116
-5% -$5.33K
OVID icon
1514
Ovid Therapeutics
OVID
$489M
$84.8K ﹤0.01%
22,077
-1,250
-5% -$4.49K
USHY icon
1515
iShares Broad USD High Yield Corporate Bond ETF
USHY
$29.1B
$84K ﹤0.01%
2,421
+245
+11% +$8.61K
PGJ icon
1516
Invesco Golden Dragon China ETF
PGJ
$95.1M
$82.5K ﹤0.01%
3,050
– –
IKT icon
1517
Inhibikase Therapeutics
IKT
$377M
$82.5K ﹤0.01%
59,375
+1,487
+3% +$3.33K
SPTI icon
1518
State Street SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$10.6B
$82.4K ﹤0.01%
2,995
+1,755
+142% +$49K
FHLC icon
1519
Fidelity MSCI Health Care Index ETF
FHLC
$3.42B
$82K ﹤0.01%
1,353
+334
+33% +$21K
SJNK icon
1520
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.8B
$81.3K ﹤0.01%
3,324
+115
+4% +$2.83K
AVXL icon
1521
Anavex Life Sciences
AVXL
$316M
$79.9K ﹤0.01%
+12,200
New +$97.1K
CDXS icon
1522
Codexis
CDXS
$175M
$79.9K ﹤0.01%
42,253
– –
DVYE icon
1523
iShares Emerging Markets Dividend ETF
DVYE
$1.21B
$79.2K ﹤0.01%
3,323
-375
-10% -$9.29K
AG icon
1524
First Majestic Silver
AG
$9.44B
$77.1K ﹤0.01%
15,038
+2
+0% +$12
FDIQ
1525
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$48.1M
$76.3K ﹤0.01%
1,741
-2,050
-54% -$96.1K
59 60
61
62 63

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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.