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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
IXC icon
1451
iShares Global Energy ETF
IXC
$2.74B
$149K ﹤0.01%
4,008
+3,935
+5,390% +$148K
PFFD icon
1452
Global X US Preferred ETF
PFFD
$2.17B
$145K ﹤0.01%
7,493
-13,057
-64% -$253K
PIO icon
1453
Invesco Global Water ETF
PIO
$278M
$145K ﹤0.01%
4,059
+1
+0% +$35
OSBC icon
1454
Old Second Bancorp
OSBC
$1.31B
$145K ﹤0.01%
11,078
+3
+0% +$38
IRD
1455
Opus Genetics
IRD
$313M
$144K ﹤0.01%
+33,267
New +$158K
PIE icon
1456
Invesco Dorsey Wright Emerging Markets Momentum ETF
PIE
$250M
$143K ﹤0.01%
7,529
-3,765
-33% -$69.8K
IVOV icon
1457
Vanguard S&P Mid-Cap 400 Value ETF
IVOV
$1.37B
$142K ﹤0.01%
1,722
+400
+30% +$31.1K
PCY icon
1458
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.39B
$141K ﹤0.01%
7,243
-407
-5% -$7.76K
VONE icon
1459
Vanguard Russell 1000 ETF
VONE
$8.68B
$141K ﹤0.01%
700
– –
QCLN icon
1460
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$632M
$140K ﹤0.01%
2,744
+715
+35% +$34.5K
GSST icon
1461
Goldman Sachs Access Ultra Short Bond ETF
GSST
$1.59B
$140K ﹤0.01%
+2,800
New +$140K
GSLC icon
1462
Goldman Sachs ActiveBeta US Large Cap Equity ETF
GSLC
$16B
$139K ﹤0.01%
1,589
+2
+0.1% +$166
IGIB icon
1463
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.5B
$139K ﹤0.01%
2,741
-1,462
-35% -$74.3K
EWY icon
1464
iShares MSCI South Korea ETF
EWY
$27.2B
$137K ﹤0.01%
2,167
-15
-0.7% -$940
EWH icon
1465
iShares MSCI Hong Kong ETF
EWH
$1.21B
$137K ﹤0.01%
7,095
-500
-7% -$10K
TFI icon
1466
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.17B
$136K ﹤0.01%
2,949
– –
ICF icon
1467
iShares Select U.S. REIT ETF
ICF
$2.09B
$135K ﹤0.01%
2,434
– –
RGT
1468
Royce Global Value Trust
RGT
$101M
$134K ﹤0.01%
14,504
– –
RCA
1469
DELISTED
Ready Capital Corporation 7.00% Convertible Senior Notes due 2023
RCA
$134K ﹤0.01%
5,332
– –
RWX icon
1470
State Street SPDR Dow Jones International Real Estate ETF
RWX
$267M
$133K ﹤0.01%
5,386
-272
-5% -$7.14K
FXI icon
1471
iShares China Large-Cap ETF
FXI
$4.2B
$132K ﹤0.01%
4,837
-485
-9% -$13.6K
REZ icon
1472
iShares Residential and Multisector Real Estate ETF
REZ
$848M
$131K ﹤0.01%
1,792
+400
+29% +$28.6K
SCHZ icon
1473
Schwab US Aggregate Bond ETF
SCHZ
$10.5B
$131K ﹤0.01%
5,680
+4,314
+316% +$100K
FV icon
1474
First Trust Dorsey Wright Focus 5 ETF
FV
$3.8B
$130K ﹤0.01%
2,773
-3,290
-54% -$147K
OPPE
1475
WisdomTree European Opportunities Fund
OPPE
$295M
$130K ﹤0.01%
3,850
-150
-4% -$5.13K
57 58
59
60 61

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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.