We are live on ! Find out more
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
VRSN icon
1851
VeriSign
VRSN
$25.9B
– –
-1,052
Closed -$222K
VSAT icon
1852
Viasat
VSAT
$11.7B
– –
-95,732
Closed -$3.24M
VTWV icon
1853
Vanguard Russell 2000 Value ETF
VTWV
$1.38B
– –
-305
Closed -$36.8K
WDS icon
1854
Woodside Energy
WDS
$43.4B
– –
-10,963
Closed -$246K
WNS
1855
DELISTED
WNS Holdings
WNS
– –
-2,369
Closed -$221K
XAIR icon
1856
Beyond Air
XAIR
$6.22M
– –
-50
Closed -$135K
XMLV icon
1857
Invesco S&P MidCap Low Volatility ETF
XMLV
$746M
– –
-450
Closed -$23.6K
ZD icon
1858
Ziff Davis
ZD
$1.9B
– –
-2,871
Closed -$410K
ZION icon
1859
Zions Bancorporation
ZION
$10.4B
– –
-10,827
Closed -$324K
PVLA
1860
Palvella Therapeutics
PVLA
$2.24B
– –
-232
Closed -$18.1K
ONC
1861
BeOne Medicines Ltd
ONC
$40.3B
– –
-1,004
Closed -$216K
LGTY
1862
DELISTED
Logility Supply Chain Solutions, Inc. Common Stock
LGTY
– –
-31,011
Closed -$391K
AZPN
1863
DELISTED
Aspen Technology Inc
AZPN
– –
-889
Closed -$203K
EGIO
1864
DELISTED
Edgio, Inc. Common Stock
EGIO
– –
-2,343
Closed -$74.1K
TRTN
1865
DELISTED
Triton International Limited
TRTN
– –
-6,696
Closed -$423K
XM
1866
DELISTED
Qualtrics International Inc. Class A Common Stock
XM
– –
-20,890
Closed -$372K
DCP
1867
DELISTED
DCP Midstream, LP
DCP
– –
-5,573
Closed -$233K
CS
1868
DELISTED
Credit Suisse Group
CS
– –
-42,415
Closed -$37.7K
STSA
1869
DELISTED
Satsuma Pharmaceuticals, Inc. Common Stock
STSA
– –
-15,000
Closed -$10.5K
BDXB
1870
DELISTED
Becton, Dickinson and Company Depositary Shares, each Representing a 1/20th Interest in a Share of 6.00% Mandatory Convertible Preferred Stock, Series B
BDXB
– –
-6,438
Closed -$320K
AQUA
1871
DELISTED
Evoqua Water Technologies Corp. Common Stock
AQUA
– –
-6,875
Closed -$342K
ABB
1872
DELISTED
ABB Ltd
ABB
– –
-210,343
Closed -$7.21M
APTX
1873
DELISTED
Aptinyx Inc. Common Stock
APTX
– –
-19,877
Closed -$2.48K
SUMO
1874
DELISTED
Sumo Logic, Inc. Common Stock
SUMO
– –
-28,999
Closed -$347K
FRC
1875
DELISTED
First Republic Bank
FRC
– –
-16,929
Closed -$237K
72 73 74
75
76

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

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.