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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
JNK icon
1601
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.31B
$41.7K ﹤0.01%
453
-269
-37% -$24.6K
SPYX icon
1602
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.87B
$40.8K ﹤0.01%
1,128
– –
PID icon
1603
Invesco International Dividend Achievers ETF
PID
$912M
$40.6K ﹤0.01%
2,250
– –
EZM icon
1604
WisdomTree US MidCap Fund
EZM
$957M
$40.5K ﹤0.01%
765
– –
IHF icon
1605
iShares US Healthcare Providers ETF
IHF
$1.27B
$40.4K ﹤0.01%
790
– –
SQQQ icon
1606
ProShares UltraPro Short QQQ
SQQQ
$1.73B
$39.9K ﹤0.01%
84
– –
EMAN
1607
DELISTED
eMagin Corporation
EMAN
$39.6K ﹤0.01%
20,000
-10,000
-33% -$19.7K
SMOG icon
1608
VanEck Low Carbon Energy ETF
SMOG
$136M
$39.5K ﹤0.01%
324
– –
COPX icon
1609
Global X Copper Miners ETF NEW
COPX
$8.22B
$39.2K ﹤0.01%
1,041
– –
FEZ icon
1610
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.55B
$39.1K ﹤0.01%
850
-1,005
-54% -$45.8K
AVIR icon
1611
Atea Pharmaceuticals
AVIR
$405M
$39.1K ﹤0.01%
10,449
-5
-0% -$19
FPX icon
1612
First Trust US Equity Opportunities ETF
FPX
$1.53B
$38.8K ﹤0.01%
440
– –
PPA icon
1613
Invesco Aerospace & Defense ETF
PPA
$8.74B
$38.4K ﹤0.01%
455
– –
BMVP icon
1614
Invesco Bloomberg MVP Multi-factor ETF
BMVP
$106M
$38.3K ﹤0.01%
990
– –
AWRE icon
1615
Aware
AWRE
$26M
$37.4K ﹤0.01%
23,664
– –
UPH
1616
DELISTED
UpHealth, Inc.
UPH
$37.1K ﹤0.01%
19,710
– –
PAYS icon
1617
Paysign
PAYS
$723M
$37K ﹤0.01%
15,120
– –
IBDP
1618
DELISTED
iShares iBonds Dec 2024 Term Corporate ETF
IBDP
$36.9K ﹤0.01%
1,500
– –
EEMV icon
1619
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.6B
$36.4K ﹤0.01%
662
-207
-24% -$11.4K
EWG icon
1620
iShares MSCI Germany ETF
EWG
$1.67B
$36.4K ﹤0.01%
1,273
+1
+0.1% +$29
DTH icon
1621
WisdomTree International High Dividend Fund
DTH
$659M
$35.8K ﹤0.01%
968
– –
FSIG icon
1622
First Trust Limited Duration Investment Grade Corporate ETF
FSIG
$1.52B
$35.5K ﹤0.01%
+1,907
New +$35.8K
IVOO icon
1623
Vanguard S&P Mid-Cap 400 ETF
IVOO
$3.93B
$35.4K ﹤0.01%
400
– –
OUSA icon
1624
ALPS O'Shares U.S. Quality Dividend ETF
OUSA
$758M
$35.4K ﹤0.01%
804
+4
+0.5% +$170
PFXF icon
1625
VanEck Preferred Securities ex Financials ETF
PFXF
$2.47B
$35.3K ﹤0.01%
2,000
– –
63 64
65
66 67

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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.