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
SCHD icon
151
Schwab US Dividend Equity ETF
SCHD
$107B
$42.1M 0.13%
1,507,157
+89,224
+6% +$2.49M
BMY icon
152
Bristol-Myers Squibb
BMY
$130B
$41.6M 0.13%
681,775
-53,194
-7% -$3.1M
CW icon
153
Curtiss-Wright
CW
$26.7B
$41.5M 0.13%
130,787
+45,457
+53% +$15.3M
IWD icon
154
iShares Russell 1000 Value ETF
IWD
$84B
$41.4M 0.12%
220,143
+6,098
+3% +$1.16M
ULS icon
155
UL Solutions
ULS
$15.5B
$41.4M 0.12%
733,881
-40,178
-5% -$2.13M
EMR icon
156
Emerson Electric
EMR
$91.4B
$41.2M 0.12%
375,948
-7,860
-2% -$948K
NDAQ icon
157
Nasdaq
NDAQ
$53.5B
$41M 0.12%
541,044
+8,463
+2% +$666K
MDY icon
158
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.2B
$40.4M 0.12%
75,681
+6,561
+9% +$3.72M
TREX icon
159
Trex
TREX
$5.05B
$39.5M 0.12%
680,716
+48,024
+8% +$3.12M
CME icon
160
CME Group
CME
$94.3B
$38.4M 0.12%
144,625
+1,241
+0.9% +$306K
GE icon
161
GE Aerospace
GE
$379B
$38.2M 0.12%
190,797
+1,360
+0.7% +$268K
CAT icon
162
Caterpillar
CAT
$393B
$37.7M 0.11%
114,279
-1,112
-1% -$396K
MRVL icon
163
Marvell Technology
MRVL
$195B
$37.1M 0.11%
602,707
+57,319
+11% +$5.56M
KMX icon
164
CarMax
KMX
$8.33B
$35.5M 0.11%
456,070
-75,946
-14% -$6.09M
SPMD icon
165
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$19B
$35.4M 0.11%
691,922
+5,795
+0.8% +$316K
IUSG icon
166
iShares Core S&P US Growth ETF
IUSG
$33.7B
$34.8M 0.1%
273,700
-41,697
-13% -$5.77M
DSGX icon
167
Descartes Systems
DSGX
$6.65B
$34.6M 0.1%
343,241
+17,283
+5% +$1.91M
AJG icon
168
Arthur J. Gallagher & Co
AJG
$65.5B
$34M 0.1%
98,349
+5,850
+6% +$1.85M
IJR icon
169
iShares Core S&P Small-Cap ETF
IJR
$112B
$33.7M 0.1%
322,023
-2,246
-0.7% -$253K
CBZ icon
170
CBIZ
CBZ
$2.96B
$32.4M 0.1%
427,605
+4,739
+1% +$381K
PDEC icon
171
Innovator US Equity Power Buffer ETF December
PDEC
$997M
$32M 0.1%
850,373
+215,626
+34% +$8.31M
DOCU
172
DocuSign
DOCU
$11.1B
$31.5M 0.1%
387,542
+6,460
+2% +$566K
MZTI
173
The Marzetti Company
MZTI
$3.18B
$31.5M 0.1%
179,954
-12,097
-6% -$2.18M
APD icon
174
Air Products & Chemicals
APD
$67.7B
$30.7M 0.09%
104,256
+1,131
+1% +$349K
EW icon
175
Edwards Lifesciences
EW
$53.6B
$30.5M 0.09%
420,226
-106,066
-20% -$7.59M
5 6
7
8 9

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.