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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
AXP icon
51
American Express
AXP
$232B
$112M 0.45%
680,595
+26,666
+4% +$4.42M
ITW icon
52
Illinois Tool Works
ITW
$83.3B
$111M 0.44%
457,055
-4,382
-0.9% -$1.02M
NVDA icon
53
NVIDIA
NVDA
$5.43T
$111M 0.44%
3,985,960
+297,980
+8% +$6.45M
BRK.B icon
54
Berkshire Hathaway Class B
BRK.B
$1.09T
$111M 0.44%
358,116
+1,159
+0.3% +$357K
WMT icon
55
Walmart Inc
WMT
$923B
$110M 0.44%
2,236,470
-4,233
-0.2% -$201K
LLY icon
56
Eli Lilly
LLY
$1.09T
$109M 0.44%
317,498
+3,833
+1% +$1.29M
AME icon
57
Ametek
AME
$59.3B
$107M 0.43%
738,258
-15,346
-2% -$2.18M
ROK icon
58
Rockwell Automation
ROK
$50.1B
$107M 0.43%
364,509
+31,840
+10% +$9.05M
CVX icon
59
Chevron
CVX
$386B
$105M 0.42%
642,336
-1,080
-0.2% -$181K
UNP icon
60
Union Pacific
UNP
$174B
$105M 0.42%
520,541
-19,743
-4% -$4M
LULU icon
61
lululemon athletica
LULU
$13.7B
$104M 0.42%
285,316
-170,208
-37% -$53.4M
PODD icon
62
Insulet
PODD
$10.1B
$103M 0.41%
323,550
-1,397
-0.4% -$414K
RYAN icon
63
Ryan Specialty Holdings
RYAN
$11B
$103M 0.41%
2,548,128
+27,927
+1% +$1.15M
VIG icon
64
Vanguard Dividend Appreciation ETF
VIG
$115B
$101M 0.4%
655,693
-14,232
-2% -$2.18M
BX icon
65
Blackstone
BX
$110B
$99.2M 0.4%
1,128,933
-13,147
-1% -$1.16M
MCD icon
66
McDonald's
MCD
$195B
$95.9M 0.38%
342,911
+3,436
+1% +$921K
VTV icon
67
Vanguard Morningstar Value ETF
VTV
$193B
$93.8M 0.37%
679,333
+49,893
+8% +$7M
VEU icon
68
Vanguard FTSE All-World ex-US ETF
VEU
$70.5B
$93.2M 0.37%
1,743,356
+125,887
+8% +$6.67M
TMO icon
69
Thermo Fisher Scientific
TMO
$223B
$90.9M 0.36%
157,734
-983
-0.6% -$554K
LIN icon
70
Linde
LIN
$221B
$88.7M 0.35%
249,475
-7,307
-3% -$2.45M
PEP icon
71
PepsiCo
PEP
$189B
$87.4M 0.35%
479,248
+4,079
+0.9% +$713K
MCHP icon
72
Microchip Technology
MCHP
$43.1B
$86.8M 0.35%
1,035,470
-14,642
-1% -$1.17M
EW icon
73
Edwards Lifesciences
EW
$53.6B
$85.1M 0.34%
1,029,122
-78,820
-7% -$6.2M
BMY icon
74
Bristol-Myers Squibb
BMY
$130B
$84.5M 0.34%
1,219,047
+8,053
+0.7% +$568K
GWRE icon
75
Guidewire Software
GWRE
$14.4B
$82.9M 0.33%
1,009,986
+150,067
+17% +$10.9M

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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.