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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
QQXT icon
1826
First Trust NASDAQ 100 ex-Technology Sector Index Fund
QQXT
$160M
– –
-10
Closed -$765
SBIO icon
1827
ALPS Medical Breakthroughs ETF
SBIO
$217M
– –
-3,344
Closed -$102K
SIL icon
1828
Global X Silver Miners ETF NEW
SIL
$4.89B
– –
-50
Closed -$1.41K
SPDN icon
1829
Direxion Daily S&P 500 Bear 1X ETF
SPDN
$199M
– –
-600
Closed -$9.91K
SPOK icon
1830
Spok Holdings
SPOK
$230M
– –
-38,378
Closed -$314K
TIPX icon
1831
State Street SPDR Bloomberg 1-10 Year TIPS ETF
TIPX
$2.04B
– –
-7,882
Closed -$145K
TPR icon
1832
Tapestry
TPR
$31.1B
– –
-6,130
Closed -$233K
UHAL icon
1833
U-Haul Holding Co
UHAL
$14.5B
– –
-541
Closed -$32.6K
UHS icon
1834
Universal Health Services
UHS
$10.2B
– –
-1,582
Closed -$223K
UVIX icon
1835
2x Long VIX Futures ETF
UVIX
$202M
– –
-1
Closed -$58.2K
VFC icon
1836
VF Corp
VFC
$5.73B
– –
-12,080
Closed -$334K
WBS icon
1837
Webster Financial
WBS
$12.8B
– –
-4,298
Closed -$203K
WTRG icon
1838
Essential Utilities
WTRG
$11.3B
– –
-5,146
Closed -$246K
ZIP icon
1839
ZipRecruiter
ZIP
$405M
– –
-12,961
Closed -$213K
VIRX
1840
DELISTED
Viracta Therapeutics, Inc. Common Stock
VIRX
– –
-51,843
Closed -$75.7K
GERM
1841
DELISTED
Amplify Treatments, Testing and Advancements ETF
GERM
– –
-747
Closed -$16.7K
FTCH
1842
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
– –
-10,517
Closed -$49.7K
TRHC
1843
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
– –
-13,497
Closed -$66.8K
DRTT
1844
DELISTED
DIRTT Environmental Solutions Ltd. Common Shares
DRTT
– –
-25,850
Closed -$13.7K
FORG
1845
DELISTED
ForgeRock, Inc.
FORG
– –
-9,571
Closed -$218K
MGI
1846
DELISTED
MoneyGram International, Inc. New
MGI
– –
-10,462
Closed -$114K
EWSC
1847
DELISTED
Invesco S&P SmallCap 600 Equal Weight ETF
EWSC
– –
-225
Closed -$15.6K
IDLB
1848
DELISTED
Invesco FTSE International Low Beta Equal Weight ETF
IDLB
– –
-180
Closed -$4.33K
USEQ
1849
DELISTED
Invesco Russell 1000 Enhanced Equal Weight ETF
USEQ
– –
-580
Closed -$19.5K
ATCO
1850
DELISTED
Atlas Corp.
ATCO
– –
-13,376
Closed -$205K
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.