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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
+9.7%
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
$27.3B
AUM Growth
+$2.26B
Cap. Flow
+$202M
Cap. Flow %
0.74%
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$28.3M
2
ALL icon
Allstate
ALL
+$25.8M
3
ISRG icon
Intuitive Surgical
ISRG
+$19.6M
4
NEOG icon
Neogen
NEOG
+$17.4M
5
DV icon
DoubleVerify
DV
+$17.3M

Top Sells

Rank Stock Value
1
NBIX icon
Neurocrine Biosciences
NBIX
+$29.1M
2
PLNT icon
Planet Fitness
PLNT
+$20.4M
3
ABNB icon
Airbnb
ABNB
+$17.1M
4
IBM icon
IBM
IBM
+$14.8M
5
XMTR icon
Xometry
XMTR
+$10.8M

Sector Composition

Rank Sector Weight
1 Technology 25.59%
2 Healthcare 18.44%
3 Industrials 11.64%
4 Financials 11.51%
5 Consumer Discretionary 8.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FCOM icon
1551
Fidelity MSCI Communication Services Index ETF
FCOM
$1.76B
$64.7K ﹤0.01%
1,608
– –
FTSM icon
1552
First Trust Enhanced Short Maturity ETF
FTSM
$6.54B
$64.5K ﹤0.01%
1,085
-7,611
-88% -$454K
FHLC icon
1553
Fidelity MSCI Health Care Index ETF
FHLC
$3.42B
$64.3K ﹤0.01%
1,019
– –
EWX icon
1554
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$702M
$64.1K ﹤0.01%
1,220
-175
-13% -$9.02K
DES icon
1555
WisdomTree US SmallCap Dividend Fund
DES
$2.22B
$64K ﹤0.01%
2,223
-7,962
-78% -$222K
AGEN
1556
Agenus
AGEN
$311M
$63.5K ﹤0.01%
1,983
+64
+3% +$2.05K
PWV icon
1557
Invesco Large Cap Value ETF
PWV
$1.78B
$63K ﹤0.01%
1,350
– –
DNA icon
1558
Ginkgo Bioworks
DNA
$486M
$62.5K ﹤0.01%
841
-26
-3% -$1.54K
SCHC icon
1559
Schwab International Small-Cap Equity ETF
SCHC
$5.67B
$61.1K ﹤0.01%
1,810
-8,054
-82% -$272K
PKW icon
1560
Invesco BuyBack Achievers ETF
PKW
$1.78B
$59K ﹤0.01%
660
+225
+52% +$19.2K
HEWJ icon
1561
iShares Currency Hedged MSCI Japan ETF
HEWJ
$763M
$58.9K ﹤0.01%
+1,750
New +$54.2K
KBE icon
1562
State Street SPDR S&P Bank ETF
KBE
$1.74B
$58.8K ﹤0.01%
1,634
-11,910
-88% -$424K
EWA icon
1563
iShares MSCI Australia ETF
EWA
$1.46B
$58.2K ﹤0.01%
2,580
-712
-22% -$16.3K
IAT icon
1564
iShares US Regional Banks ETF
IAT
$687M
$57.7K ﹤0.01%
1,704
– –
JEPQ icon
1565
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.6B
$57.3K ﹤0.01%
1,185
– –
GWH.WS
1566
DELISTED
ESS Tech Inc Warrant
GWH.WS
$57.2K ﹤0.01%
244,323
-175
-0.1% -$28
DON icon
1567
WisdomTree US MidCap Dividend Fund
DON
$4.1B
$56.8K ﹤0.01%
1,350
-500
-27% -$20.3K
JETS icon
1568
US Global Jets ETF
JETS
$825M
$56.7K ﹤0.01%
2,649
+300
+13% +$5.63K
WOMN icon
1569
Impact Shares Womens Empowerment ETF Trading
WOMN
$59.1M
$56.7K ﹤0.01%
1,849
+101
+6% +$2.93K
AIVI icon
1570
WisdomTree International AI Enhanced Value Fund
AIVI
$63.1M
$56.5K ﹤0.01%
1,450
– –
PIZ icon
1571
Invesco Dorsey Wright Developed Markets Momentum ETF
PIZ
$742M
$56.4K ﹤0.01%
1,850
– –
NEPH icon
1572
Nephros
NEPH
$47.4M
$56.2K ﹤0.01%
36,249
– –
CQQQ icon
1573
Invesco China Technology ETF
CQQQ
$3.24B
$55.9K ﹤0.01%
1,409
+114
+9% +$4.75K
HTZWW
1574
Hertz Global Holdings Warrants
HTZWW
$112M
$55.5K ﹤0.01%
5,502
+1,098
+25% +$9.98K
IYY icon
1575
iShares Dow Jones US ETF
IYY
$3.07B
$55.2K ﹤0.01%
510
– –
61 62
63
64 65

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William Blair & Company's Q2 2023 Portfolio in Review

As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.

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

  • William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
  • William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
  • William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
  • William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
  • William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
  • William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
  • William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.