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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
+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
BDSX icon
1501
Biodesix
BDSX
$256M
$92.6K ﹤0.01%
2,490
+1,500
+152% +$61.6K
GBX icon
1502
The Greenbrier Companies
GBX
$1.41B
$92.4K ﹤0.01%
2,873
– –
LONA
1503
LeonaBio Inc
LONA
$73.9M
$90.1K ﹤0.01%
3,605
– –
DVYE icon
1504
iShares Emerging Markets Dividend ETF
DVYE
$1.21B
$89.3K ﹤0.01%
3,640
+1,640
+82% +$41K
LUMN icon
1505
Lumen
LUMN
$6.49B
$89.2K ﹤0.01%
33,671
+10,722
+47% +$43.3K
IOO icon
1506
iShares Global 100 ETF
IOO
$9.43B
$86.4K ﹤0.01%
1,234
– –
TCS
1507
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$85.8K ﹤0.01%
1,667
– –
ORGN
1508
DELISTED
Origin Materials
ORGN
$85.4K ﹤0.01%
667
– –
PGJ icon
1509
Invesco Golden Dragon China ETF
PGJ
$95.1M
$84.6K ﹤0.01%
2,850
– –
FEZ icon
1510
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.55B
$83.3K ﹤0.01%
1,855
– –
BITO icon
1511
ProShares Bitcoin Strategy ETF
BITO
$1.43B
$82.8K ﹤0.01%
4,725
+518
+12% +$7.44K
ILF icon
1512
iShares Latin America 40 ETF
ILF
$3.71B
$81.8K ﹤0.01%
3,428
-100
-3% -$2.4K
NN icon
1513
NextNav
NN
$3.25B
$81.2K ﹤0.01%
40,000
+15,000
+60% +$40.2K
GALT icon
1514
Galectin Therapeutics
GALT
$317M
$79.6K ﹤0.01%
37,884
– –
CORP icon
1515
PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund
CORP
$1.58B
$77.7K ﹤0.01%
807
– –
JOBY icon
1516
Joby Aviation
JOBY
$7.87B
$77.6K ﹤0.01%
17,870
– –
RC
1517
Ready Capital
RC
$289M
$77.3K ﹤0.01%
7,604
+1,812
+31% +$21.2K
RSPS icon
1518
Invesco S&P 500 Equal Weight Consumer Staples ETF
RSPS
$246M
$75.8K ﹤0.01%
2,225
– –
DON icon
1519
WisdomTree US MidCap Dividend Fund
DON
$4.1B
$75.8K ﹤0.01%
1,850
-225
-11% -$9.56K
DGRS icon
1520
WisdomTree Trust WisdomTree US SmallCap Quality Dividend Growth Fund
DGRS
$414M
$75.7K ﹤0.01%
1,820
-285
-14% -$12.3K
EWA icon
1521
iShares MSCI Australia ETF
EWA
$1.46B
$75.5K ﹤0.01%
3,292
+712
+28% +$16.7K
XYLD icon
1522
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
$75.5K ﹤0.01%
1,864
+73
+4% +$2.94K
EGIO
1523
DELISTED
Edgio, Inc. Common Stock
EGIO
$74.1K ﹤0.01%
2,343
– –
DBEU icon
1524
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$798M
$73.2K ﹤0.01%
2,000
– –
XHB icon
1525
State Street SPDR S&P Homebuilders ETF
XHB
$1.58B
$72.7K ﹤0.01%
1,073
+2
+0.2% +$134
59 60
61
62 63

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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.