We are live on ! Find out more
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
+14.12%
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
$29.3B
AUM Growth
+$3.27B
Cap. Flow
-$91M
Cap. Flow %
-0.31%
Top 10 Hldgs %
24.41%
Holding
1,872
New
83
Increased
624
Reduced
816
Closed
87

Top Buys

Rank Stock Value
1
GWRE icon
Guidewire Software
GWRE
+$37.5M
2
SCHW
Charles Schwab
SCHW
+$37.1M
3
VLTO icon
Veralto
VLTO
+$17.1M
4
VRTX icon
Vertex Pharmaceuticals
VRTX
+$16.7M
5
CSGP icon
CoStar Group
CSGP
+$16.3M

Top Sells

Rank Stock Value
1
DHR icon
Danaher
DHR
+$37.6M
2
IRTC icon
iRhythm Holdings
IRTC
+$26.7M
3
DE icon
Deere & Co
DE
+$22.6M
4
TOST icon
Toast
TOST
+$21.2M
5
KO icon
Coca-Cola
KO
+$20.3M

Sector Composition

Rank Sector Weight
1 Technology 26.35%
2 Healthcare 17.08%
3 Financials 12.09%
4 Industrials 11.7%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
VEA icon
51
Vanguard FTSE Developed Markets ETF
VEA
$238B
$142M 0.48%
2,963,809
+5,165
+0.2% +$231K
SCHW
52
Charles Schwab
SCHW
$189B
$136M 0.46%
1,978,934
+643,109
+48% +$37.1M
BRK.B icon
53
Berkshire Hathaway Class B
BRK.B
$1.09T
$136M 0.46%
380,484
+24,857
+7% +$8.72M
PG icon
54
Procter & Gamble
PG
$336B
$135M 0.46%
918,249
-17,068
-2% -$2.53M
ISRG icon
55
Intuitive Surgical
ISRG
$142B
$134M 0.46%
395,882
+18,511
+5% +$5.52M
AXP icon
56
American Express
AXP
$232B
$133M 0.45%
711,000
+314
+0% +$50.5K
UNP icon
57
Union Pacific
UNP
$174B
$130M 0.44%
529,228
+3,996
+0.8% +$879K
WMT icon
58
Walmart Inc
WMT
$919B
$129M 0.44%
2,460,081
+52,194
+2% +$2.76M
GWRE icon
59
Guidewire Software
GWRE
$14.4B
$129M 0.44%
1,180,267
+393,328
+50% +$37.5M
ROK icon
60
Rockwell Automation
ROK
$50.2B
$122M 0.42%
394,308
+1,964
+0.5% +$550K
AME icon
61
Ametek
AME
$59.3B
$121M 0.41%
733,104
+2,285
+0.3% +$348K
VIG icon
62
Vanguard Dividend Appreciation ETF
VIG
$115B
$119M 0.41%
697,480
-8,439
-1% -$1.36M
RYAN icon
63
Ryan Specialty Holdings
RYAN
$10.9B
$116M 0.4%
2,700,316
+49,425
+2% +$2.23M
ITW icon
64
Illinois Tool Works
ITW
$83.5B
$113M 0.39%
431,781
-6,416
-1% -$1.54M
CMG icon
65
Chipotle Mexican Grill
CMG
$41.3B
$111M 0.38%
2,435,850
+13,450
+0.6% +$560K
VEU icon
66
Vanguard FTSE All-World ex-US ETF
VEU
$70.5B
$109M 0.37%
1,947,429
+120,523
+7% +$6.39M
LIN icon
67
Linde
LIN
$222B
$109M 0.37%
265,664
+147
+0.1% +$58K
DE icon
68
Deere & Co
DE
$168B
$108M 0.37%
270,205
-60,014
-18% -$22.6M
MDB icon
69
MongoDB
MDB
$35.2B
$106M 0.36%
260,349
+10,263
+4% +$3.89M
META icon
70
Meta Platforms (Facebook)
META
$1.48T
$105M 0.36%
297,636
+24,363
+9% +$7.93M
MCD icon
71
McDonald's
MCD
$195B
$104M 0.35%
350,027
+9,732
+3% +$2.65M
EVH icon
72
Evolent Health
EVH
$485M
$100M 0.34%
3,040,157
+189,150
+7% +$5.35M
VTV icon
73
Vanguard Morningstar Value ETF
VTV
$193B
$100M 0.34%
669,007
+11,656
+2% +$1.64M
MCHP icon
74
Microchip Technology
MCHP
$43.7B
$98.3M 0.34%
1,090,364
+10,269
+1% +$836K
VRSK icon
75
Verisk Analytics
VRSK
$23.3B
$95.8M 0.33%
401,125
-2,549
-0.6% -$603K
1 2
3
4 5

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Asset Management
Nomura Asset Management Tokyo, Japan $38.8B AUM 30.94% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

William Blair & Company's Q4 2023 Portfolio in Review

As of Q4 2023, William Blair & Company held 1,872 positions worth $29.3B, up 13% from $26.1B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2023 filing shows 83 new, 624 increased, 816 reduced and 87 closed positions. Its largest new stake was Veralto: 229,539 shares worth $18.9M. The largest sale was Danaher, an estimated $37.6M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2023 buy was Veralto: 229,539 shares worth $18.9M.
  • William Blair & Company added most to Guidewire Software in Q4 2023, an estimated $37.5M increase.
  • William Blair & Company's biggest Q4 2023 reduction was Danaher, cutting an estimated $37.6M.
  • William Blair & Company fully exited Seagen Inc. Common Stock in Q4 2023, selling an estimated $13.8M.
  • William Blair & Company's ten largest holdings make up 24% of its $29.3B portfolio in Q4 2023.
  • William Blair & Company opened 83 new positions and closed 87 in Q4 2023.
  • William Blair & Company's portfolio value rose 13% quarter-over-quarter to $29.3B.

Based on William Blair & Company's 13F filing for Q4 2023, filed 12 Feb 2024.