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
-1.82%
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
$33.2B
AUM Growth
-$1.22B
Cap. Flow
+$11.1M
Cap. Flow %
0.03%
Top 10 Hldgs %
23.77%
Holding
1,895
New
82
Increased
626
Reduced
808
Closed
94

Top Buys

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$112M
2
AAON icon
Aaon
AAON
+$104M
3
GEV icon
GE Vernova
GEV
+$77.6M
4
QCOM icon
Qualcomm
QCOM
+$47M
5
WM icon
Waste Management
WM
+$44.3M

Top Sells

Rank Stock Value
1
INTU icon
Intuit
INTU
+$65.9M
2
POOL icon
Pool Corp
POOL
+$64.7M
3
DHR icon
Danaher
DHR
+$59.8M
4
ZTS icon
Zoetis
ZTS
+$57.9M
5
SCHW
Charles Schwab
SCHW
+$44.5M

Sector Composition

Rank Sector Weight
1 Technology 26.23%
2 Financials 14.3%
3 Healthcare 12.58%
4 Industrials 12.51%
5 Consumer Discretionary 7.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PFE icon
126
Pfizer
PFE
$150B
$58M 0.18%
2,290,198
+20,179
+0.9% +$528K
CRWD icon
127
CrowdStrike
CRWD
$226B
$56.3M 0.17%
638,176
+19,836
+3% +$1.89M
NOVT icon
128
Novanta
NOVT
$6.32B
$56M 0.17%
437,911
-10,523
-2% -$1.51M
BRK.A icon
129
Berkshire Hathaway Class A
BRK.A
$1.09T
$55.9M 0.17%
70
-1
-1% -$729K
RMD icon
130
ResMed
RMD
$32.8B
$54.2M 0.16%
241,997
-9,258
-4% -$2.16M
TOST icon
131
Toast
TOST
$19.7B
$54.1M 0.16%
1,631,067
+38,616
+2% +$1.45M
JLL icon
132
Jones Lang LaSalle
JLL
$16.7B
$54M 0.16%
217,835
+161,371
+286% +$42.5M
GWW icon
133
W.W. Grainger
GWW
$61.5B
$53.8M 0.16%
54,460
-14
-0% -$14.5K
AMGN icon
134
Amgen
AMGN
$225B
$51.9M 0.16%
166,618
-11,978
-7% -$3.54M
USFR icon
135
WisdomTree Floating Rate Treasury Fund
USFR
$18.4B
$51.2M 0.15%
1,016,801
+35,507
+4% +$1.79M
GLD icon
136
SPDR Gold Trust
GLD
$144B
$50.2M 0.15%
174,261
+3,673
+2% +$971K
BAC icon
137
Bank of America
BAC
$453B
$49.8M 0.15%
1,192,971
-7,320
-0.6% -$326K
DIS icon
138
Walt Disney
DIS
$178B
$48.3M 0.15%
489,554
-9,115
-2% -$980K
IEFA icon
139
iShares Core MSCI EAFE ETF
IEFA
$196B
$48M 0.14%
634,279
+12,964
+2% +$969K
SHOP icon
140
Shopify
SHOP
$194B
$47.3M 0.14%
495,828
+28,803
+6% +$3.14M
CSCO icon
141
Cisco
CSCO
$488B
$47.3M 0.14%
765,725
-7,121
-0.9% -$438K
RTX icon
142
RTX Corp
RTX
$300B
$46.6M 0.14%
351,612
-3,040
-0.9% -$385K
PODD icon
143
Insulet
PODD
$10.1B
$46.6M 0.14%
177,279
-6,006
-3% -$1.63M
LULU icon
144
lululemon athletica
LULU
$13.7B
$46.2M 0.14%
163,145
-15,805
-9% -$5.8M
AXON
145
Axon Enterprise
AXON
$48.7B
$46.1M 0.14%
87,584
-3,863
-4% -$2.26M
TJX icon
146
TJX Companies
TJX
$169B
$44.7M 0.13%
367,156
-2,650
-0.7% -$322K
GILD icon
147
Gilead Sciences
GILD
$168B
$44.6M 0.13%
398,255
-15,175
-4% -$1.57M
TXN icon
148
Texas Instruments
TXN
$253B
$43.8M 0.13%
243,652
-8,288
-3% -$1.55M
BJ icon
149
BJs Wholesale Club
BJ
$11.8B
$42.7M 0.13%
374,120
-39,375
-10% -$4.05M
SDVY icon
150
First Trust SMID Cap Rising Dividend Achievers ETF
SDVY
$11.8B
$42.6M 0.13%
1,270,497
+26,986
+2% +$963K
4 5
6
7 8

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 Q1 2025 Portfolio in Review

As of Q1 2025, William Blair & Company held 1,895 positions worth $33.2B, down 3.6% from $34.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2025 filing shows 82 new, 626 increased, 808 reduced and 94 closed positions. Its largest new stake was CCC Intelligent Solutions: 320,989 shares worth $2.9M. The largest sale was Intuit, an estimated $65.9M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 28% a quarter earlier, followed by Financials and Healthcare.

  • William Blair & Company's largest Q1 2025 buy was CCC Intelligent Solutions: 320,989 shares worth $2.9M.
  • William Blair & Company added most to Meta Platforms (Facebook) in Q1 2025, an estimated $112M increase.
  • William Blair & Company's biggest Q1 2025 reduction was Intuit, cutting an estimated $65.9M.
  • William Blair & Company fully exited Smartsheet Inc. in Q1 2025, selling an estimated $3.52M.
  • William Blair & Company's ten largest holdings make up 24% of its $33.2B portfolio in Q1 2025.
  • William Blair & Company opened 82 new positions and closed 94 in Q1 2025.
  • William Blair & Company's portfolio value fell 3.6% quarter-over-quarter to $33.2B.

Based on William Blair & Company's 13F filing for Q1 2025, filed 9 May 2025.