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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
SMWB icon
701
Similarweb
SMWB
$789M
$1.62M 0.01%
240,344
-46,121
-16% -$295K
REGN icon
702
Regeneron Pharmaceuticals
REGN
$83B
$1.62M 0.01%
1,968
-413
-17% -$311K
MINT icon
703
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17.1B
$1.61M 0.01%
16,251
+104
+0.6% +$10.3K
RNG icon
704
RingCentral
RNG
$5.66B
$1.61M 0.01%
52,552
+115
+0.2% +$4.11K
VCIT icon
705
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$67.8B
$1.61M 0.01%
20,058
+2,059
+11% +$163K
FTA icon
706
First Trust Large Cap Value AlphaDEX Fund
FTA
$1.44B
$1.6M 0.01%
24,083
+9,056
+60% +$620K
FRPT icon
707
Freshpet
FRPT
$3.5B
$1.59M 0.01%
24,003
+5,653
+31% +$347K
EEFT icon
708
Euronet Worldwide
EEFT
$2.78B
$1.59M 0.01%
14,166
+1,494
+12% +$162K
CNNE icon
709
Cannae Holdings
CNNE
$675M
$1.58M 0.01%
78,320
-6,585
-8% -$146K
WSM icon
710
Williams-Sonoma
WSM
$28.5B
$1.56M 0.01%
25,712
-452
-2% -$28.2K
VTEB icon
711
Vanguard Tax-Exempt Bond Index Fund
VTEB
$46.1B
$1.55M 0.01%
30,606
-19,337
-39% -$971K
IXUS icon
712
iShares Core MSCI Total International Stock ETF
IXUS
$60.8B
$1.54M 0.01%
24,932
-10
-0% -$612
JBTM
713
JBT Marel
JBTM
$6.1B
$1.54M 0.01%
14,107
– –
XLP icon
714
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
$1.54M 0.01%
20,613
+33
+0.2% +$2.41K
TFC icon
715
Truist Financial
TFC
$64.7B
$1.54M 0.01%
45,145
-9,820
-18% -$429K
PFF icon
716
iShares Preferred and Income Securities ETF
PFF
$13.3B
$1.53M 0.01%
49,058
-6,957
-12% -$223K
TER icon
717
Teradyne
TER
$64.2B
$1.53M 0.01%
14,224
+1,292
+10% +$132K
SPLV icon
718
Invesco S&P 500 Low Volatility ETF
SPLV
$7.22B
$1.53M 0.01%
24,481
-1,198
-5% -$74.9K
SPDW icon
719
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42B
$1.52M 0.01%
47,263
-1,677
-3% -$52.9K
HEEM icon
720
iShares Currency Hedged MSCI Emerging Markets
HEEM
$293M
$1.52M 0.01%
63,118
+2,081
+3% +$50.2K
LIT icon
721
Global X Lithium & Battery Tech ETF
LIT
$1.6B
$1.5M 0.01%
23,669
-11,567
-33% -$746K
SMPL icon
722
Simply Good Foods
SMPL
$989M
$1.5M 0.01%
37,781
+12,315
+48% +$455K
IVOG icon
723
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
$1.5M 0.01%
16,858
-260
-2% -$23K
NEM icon
724
Newmont
NEM
$120B
$1.48M 0.01%
30,229
-1,551
-5% -$75.2K
HIMS icon
725
Hims & Hers Health
HIMS
$6.71B
$1.48M 0.01%
149,048
-9,400
-6% -$82.4K
27 28
29
30 31

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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.