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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
FAX
1801
abrdn Asia-Pacific Income Fund
FAX
$601M
– –
-3,267
Closed -$51.5K
FINX icon
1802
Global X FinTech ETF
FINX
$166M
– –
-3,394
Closed -$65.3K
FIP icon
1803
FTAI Infrastructure
FIP
$533M
– –
-52,948
Closed -$156K
FTDR icon
1804
Frontdoor
FTDR
$5.89B
– –
-69,116
Closed -$1.44M
FXN icon
1805
First Trust Energy AlphaDEX Fund
FXN
$388M
– –
-2,519
Closed -$43K
GEN icon
1806
Gen Digital
GEN
$17.1B
– –
-10,276
Closed -$223K
GPRE icon
1807
Green Plains
GPRE
$1.06B
– –
-6,626
Closed -$202K
GSST icon
1808
Goldman Sachs Access Ultra Short Bond ETF
GSST
$1.59B
– –
-500
Closed -$24.8K
HALO icon
1809
Halozyme
HALO
$11.6B
– –
-15,017
Closed -$854K
HCSG icon
1810
Healthcare Services Group
HCSG
$1.43B
– –
-70,634
Closed -$848K
IEUS icon
1811
iShares MSCI Europe Small-Cap ETF
IEUS
$184M
– –
-40
Closed -$1.98K
IGLB icon
1812
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.78B
– –
-143
Closed -$7.12K
LCID icon
1813
Lucid Motors
LCID
$2.58B
– –
-3,174
Closed -$217K
LQDH icon
1814
iShares Interest Rate Hedged Corporate Bond ETF
LQDH
$540M
– –
-4
Closed -$362
MAA icon
1815
Mid-America Apartment Communities
MAA
$15.4B
– –
-1,326
Closed -$208K
MAX icon
1816
MediaAlpha
MAX
$787M
– –
-20,561
Closed -$205K
PAPR icon
1817
Innovator US Equity Power Buffer ETF April
PAPR
$960M
– –
-470
Closed -$13.2K
PCEF icon
1818
Invesco CEF Income Composite ETF
PCEF
$818M
– –
-370
Closed -$6.7K
PDEC icon
1819
Innovator US Equity Power Buffer ETF December
PDEC
$997M
– –
-855
Closed -$25.6K
PJAN icon
1820
Innovator US Equity Power Buffer ETF January
PJAN
$1.43B
– –
-805
Closed -$25.4K
PJUL icon
1821
Innovator US Equity Power Buffer ETF July
PJUL
$1.29B
– –
-440
Closed -$13.3K
PMAY icon
1822
Innovator US Equity Power Buffer ETF May
PMAY
$818M
– –
-455
Closed -$12.8K
PNOV icon
1823
Innovator US Equity Power Buffer ETF November
PNOV
$896M
– –
-865
Closed -$26.1K
POCT icon
1824
Innovator US Equity Power Buffer ETF October
POCT
$974M
– –
-490
Closed -$14.7K
PSEP icon
1825
Innovator US Equity Power Buffer ETF September
PSEP
$842M
– –
-490
Closed -$14.3K
71 72
73
74 75

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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.