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
+10.3%
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
$25B
AUM Growth
+$2.04B
Cap. Flow
+$116M
Cap. Flow %
0.46%
Top 10 Hldgs %
23.68%
Holding
1,879
New
69
Increased
680
Reduced
748
Closed
78

Top Buys

Rank Stock Value
1
NEOG icon
Neogen
NEOG
+$45.2M
2
PGR icon
Progressive
PGR
+$34.8M
3
TOST icon
Toast
TOST
+$33.8M
4
PWSC
PowerSchool Holdings, Inc.
PWSC
+$33.4M
5
UBER icon
Uber
UBER
+$30.4M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$54.2M
2
LULU icon
lululemon athletica
LULU
+$53.4M
3
PYPL icon
PayPal
PYPL
+$45.8M
4
BAH icon
Booz Allen Hamilton
BAH
+$20.2M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 24.61%
2 Healthcare 19.42%
3 Financials 11.75%
4 Industrials 11.37%
5 Consumer Discretionary 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IONS icon
1026
Ionis Pharmaceuticals
IONS
$9.28B
$523K ﹤0.01%
14,644
– –
EQNR icon
1027
Equinor
EQNR
$96.3B
$521K ﹤0.01%
18,313
-42,649
-70% -$1.29M
SGMO
1028
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
$519K ﹤0.01%
294,902
– –
FTSM icon
1029
First Trust Enhanced Short Maturity ETF
FTSM
$6.54B
$517K ﹤0.01%
8,696
-5,485
-39% -$327K
DEN
1030
DELISTED
Denbury Inc.
DEN
$517K ﹤0.01%
5,901
+1,078
+22% +$90.6K
WFC.PRL icon
1031
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.66B
$514K ﹤0.01%
437
+37
+9% +$44.5K
IEUR icon
1032
iShares Core MSCI Europe ETF
IEUR
$9.15B
$508K ﹤0.01%
9,699
-348
-3% -$17.8K
VSEC icon
1033
VSE Corp
VSEC
$6.48B
$506K ﹤0.01%
+11,278
New +$571K
NSSC icon
1034
Napco Security Technologies
NSSC
$1.37B
$505K ﹤0.01%
13,430
-5,860
-30% -$187K
OSW icon
1035
OneSpaWorld
OSW
$2.73B
$504K ﹤0.01%
42,075
+20,145
+92% +$219K
PTON icon
1036
Peloton Interactive
PTON
$2.44B
$503K ﹤0.01%
44,344
-6,480
-13% -$77.9K
KBE icon
1037
State Street SPDR S&P Bank ETF
KBE
$1.75B
$502K ﹤0.01%
13,544
-1,092
-7% -$49.1K
GOVT icon
1038
iShares US Treasury Bond ETF
GOVT
$43.8B
$501K ﹤0.01%
21,418
+1,842
+9% +$42.5K
BBAX icon
1039
JPMorgan BetaBuilders Developed Asia Pacific-ex Japan ETF
BBAX
$6.78B
$501K ﹤0.01%
10,186
-236
-2% -$12K
BRLT icon
1040
Brilliant Earth
BRLT
$23M
$500K ﹤0.01%
127,898
-4,116
-3% -$19.2K
SPTS icon
1041
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.12B
$500K ﹤0.01%
17,104
+8,643
+102% +$251K
ELF icon
1042
e.l.f. Beauty
ELF
$5.43B
$499K ﹤0.01%
6,062
-390
-6% -$26.3K
LECO icon
1043
Lincoln Electric
LECO
$15.5B
$497K ﹤0.01%
2,939
+286
+11% +$47.1K
VPL icon
1044
Vanguard FTSE Pacific ETF
VPL
$8.65B
$497K ﹤0.01%
7,327
-465
-6% -$31.2K
SHE icon
1045
State Street SPDR MSCI USA Gender Diversity ETF
SHE
$339M
$493K ﹤0.01%
5,951
+4,145
+230% +$338K
CF icon
1046
CF Industries
CF
$17.7B
$493K ﹤0.01%
6,797
-575
-8% -$47K
DRS icon
1047
Leonardo DRS
DRS
$11.9B
$492K ﹤0.01%
37,950
– –
QURE icon
1048
uniQure
QURE
$3.26B
$491K ﹤0.01%
24,390
-4,839
-17% -$102K
EUFN icon
1049
iShares MSCI Europe Financials ETF
EUFN
$4.3B
$491K ﹤0.01%
26,231
+20,441
+353% +$392K
SPEM icon
1050
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
$490K ﹤0.01%
14,366
+7,765
+118% +$267K
40 41
42
43 44

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 Q1 2023 Portfolio in Review

As of Q1 2023, William Blair & Company held 1,879 positions worth $25B, up 8.9% from $23B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2023 filing shows 69 new, 680 increased, 748 reduced and 78 closed positions. Its largest new stake was Neogen: 2,404,277 shares worth $44.5M. The largest sale was Alphabet (Google) Class C, an estimated $54.2M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 22% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2023 buy was Neogen: 2,404,277 shares worth $44.5M.
  • William Blair & Company added most to Progressive in Q1 2023, an estimated $34.8M increase.
  • William Blair & Company's biggest Q1 2023 reduction was Alphabet (Google) Class C, cutting an estimated $54.2M.
  • William Blair & Company fully exited Coupa Software Incorporated in Q1 2023, selling an estimated $2.65M.
  • William Blair & Company's ten largest holdings make up 24% of its $25B portfolio in Q1 2023.
  • William Blair & Company opened 69 new positions and closed 78 in Q1 2023.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $25B.

Based on William Blair & Company's 13F filing for Q1 2023, filed 12 May 2023.