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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

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
TLH icon
1451
iShares 10-20 Year Treasury Bond ETF
TLH
$10.8B
$136K ﹤0.01%
1,183
+151
+15% +$17K
OPPE
1452
WisdomTree European Opportunities Fund
OPPE
$295M
$135K ﹤0.01%
4,000
ICF icon
1453
iShares Select U.S. REIT ETF
ICF
$2.09B
$135K ﹤0.01%
2,434
-3,960
-62% -$225K
XAIR icon
1454
Beyond Air
XAIR
$5.37M
$135K ﹤0.01%
+50
New +$128K
ETON icon
1455
Eton Pharmaceutcials
ETON
$1.14B
$135K ﹤0.01%
35,000
-3,157
-8% -$11.5K
EWY icon
1456
iShares MSCI South Korea ETF
EWY
$27.2B
$134K ﹤0.01%
2,182
-25
-1% -$1.52K
RCA
1457
DELISTED
Ready Capital Corporation 7.00% Convertible Senior Notes due 2023
RCA
$133K ﹤0.01%
5,332
ITM icon
1458
VanEck Intermediate Muni ETF
ITM
$2.13B
$131K ﹤0.01%
2,813
RGT
1459
Royce Global Value Trust
RGT
$101M
$131K ﹤0.01%
14,504
-2,891
-17% -$26.8K
VONE icon
1460
Vanguard Russell 1000 ETF
VONE
$8.68B
$130K ﹤0.01%
700
GSLC icon
1461
Goldman Sachs ActiveBeta US Large Cap Equity ETF
GSLC
$16B
$129K ﹤0.01%
1,587
-40
-2% -$3.17K
ITB icon
1462
iShares US Home Construction ETF
ITB
$2.34B
$127K ﹤0.01%
1,805
+1,550
+608% +$105K
TLS icon
1463
Telos
TLS
$324M
$127K ﹤0.01%
50,000
SIRI icon
1464
SiriusXM
SIRI
$9.59B
$125K ﹤0.01%
3,160
-556
-15% -$26.6K
VMBS icon
1465
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.6B
$123K ﹤0.01%
2,646
-4,989
-65% -$232K
FBRT
1466
Franklin BSP Realty Trust
FBRT
$669M
$123K ﹤0.01%
10,277
FNDA icon
1467
Schwab Fundamental US Small Company Index ETF
FNDA
$9.38B
$122K ﹤0.01%
5,014
DFAT icon
1468
Dimensional US Targeted Value ETF
DFAT
$14.8B
$120K ﹤0.01%
2,692
+2,418
+882% +$112K
SLQT icon
1469
SelectQuote
SLQT
$124M
$119K ﹤0.01%
55,000
IMTB icon
1470
iShares Core 5-10 Year USD Bond ETF
IMTB
$275M
$119K ﹤0.01%
2,716
-170
-6% -$7.4K
SURG icon
1471
SurgePays
SURG
$6.86M
$118K ﹤0.01%
26,327
+2,500
+10% +$13.5K
PPSI
1472
Pioneer Power Solutions
PPSI
$34.1M
$117K ﹤0.01%
33,240
FBP icon
1473
First Bancorp
FBP
$4.46B
$114K ﹤0.01%
10,000
SPSM icon
1474
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$17.5B
$114K ﹤0.01%
3,007
+581
+24% +$22.7K
IYM icon
1475
iShares US Basic Materials ETF
IYM
$1.02B
$112K ﹤0.01%
848
+1
+0.1% +$133

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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.