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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
AIRG icon
451
Airgain
AIRG
$69.3M
$4.68M 0.02%
872,177
+34,180
+4% +$238K
SMH icon
452
VanEck Semiconductor ETF
SMH
$72B
$4.68M 0.02%
35,574
+1,434
+4% +$172K
ALL icon
453
Allstate
ALL
$64.7B
$4.63M 0.02%
41,811
+6,615
+19% +$836K
FIVE icon
454
Five Below
FIVE
$13.2B
$4.62M 0.02%
22,452
+1,652
+8% +$325K
BR icon
455
Broadridge
BR
$19.3B
$4.62M 0.02%
31,534
-8,693
-22% -$1.24M
ENS icon
456
EnerSys
ENS
$6.81B
$4.61M 0.02%
53,077
-1,328
-2% -$112K
IHI icon
457
iShares US Medical Devices ETF
IHI
$3.48B
$4.59M 0.02%
85,063
+3,815
+5% +$203K
BN icon
458
Brookfield
BN
$110B
$4.58M 0.02%
210,893
-1,270
-0.6% -$28.6K
VTWO icon
459
Vanguard Russell 2000 ETF
VTWO
$17.4B
$4.58M 0.02%
63,558
+7,587
+14% +$564K
SHY icon
460
iShares 1-3 Year Treasury Bond ETF
SHY
$25.5B
$4.57M 0.02%
55,633
+33,684
+153% +$2.75M
ARES icon
461
Ares Management
ARES
$32.1B
$4.56M 0.02%
54,699
+35,299
+182% +$2.81M
IWP icon
462
iShares Russell Mid-Cap Growth ETF
IWP
$21B
$4.56M 0.02%
50,104
+1,081
+2% +$96.5K
SDVY icon
463
First Trust SMID Cap Rising Dividend Achievers ETF
SDVY
$11.8B
$4.47M 0.02%
167,700
+38,665
+30% +$1.07M
IVE icon
464
iShares S&P 500 Value ETF
IVE
$50B
$4.47M 0.02%
29,444
-849
-3% -$128K
BP icon
465
BP
BP
$111B
$4.44M 0.02%
116,975
-91,359
-44% -$3.41M
AZO icon
466
AutoZone
AZO
$49.7B
$4.41M 0.02%
1,796
-467
-21% -$1.14M
CW icon
467
Curtiss-Wright
CW
$26.7B
$4.41M 0.02%
25,005
+1,540
+7% +$261K
HACK icon
468
Amplify Cybersecurity ETF
HACK
$3B
$4.41M 0.02%
92,140
+3,077
+3% +$141K
BIDU icon
469
Baidu
BIDU
$35.6B
$4.38M 0.02%
29,002
-685
-2% -$97.2K
JCI icon
470
Johnson Controls International
JCI
$92.6B
$4.37M 0.02%
72,633
-3,420
-4% -$219K
ARCC icon
471
Ares Capital
ARCC
$14.3B
$4.37M 0.02%
239,197
-43,936
-16% -$831K
TTWO icon
472
Take-Two Interactive
TTWO
$45.4B
$4.35M 0.02%
36,467
+965
+3% +$108K
INDA icon
473
iShares MSCI India ETF
INDA
$6.58B
$4.34M 0.02%
110,158
+21,545
+24% +$867K
UNF icon
474
Unifirst Corp
UNF
$5.24B
$4.32M 0.02%
24,532
-5
-0% -$975
BOTZ icon
475
Global X Robotics & Artificial Intelligence ETF
BOTZ
$3.59B
$4.32M 0.02%
169,347
+36,083
+27% +$849K
17 18
19
20 21

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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.