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
TLTD icon
1151
FlexShares Morningstar Developed Markets ex-US Factor Tilt Index Fund
TLTD
$690M
$399K ﹤0.01%
5,338
– –
MAGS icon
1152
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.2B
$395K ﹤0.01%
8,619
+767
+10% +$40.1K
PTC icon
1153
PTC
PTC
$16.7B
$394K ﹤0.01%
2,542
-185
-7% -$31.8K
ZETA icon
1154
Zeta Global
ZETA
$7.44B
$392K ﹤0.01%
28,923
-51,838
-64% -$926K
AGI icon
1155
Alamos Gold
AGI
$13.8B
$392K ﹤0.01%
14,658
-304
-2% -$6.86K
FCBC icon
1156
First Community Bankshares
FCBC
$933M
$390K ﹤0.01%
10,357
– –
SMDV icon
1157
ProShares Russell 2000 Dividend Growers ETF
SMDV
$708M
$390K ﹤0.01%
5,946
– –
BRZE icon
1158
Braze
BRZE
$3.36B
$390K ﹤0.01%
10,801
+891
+9% +$35.9K
STE icon
1159
Steris
STE
$23B
$388K ﹤0.01%
1,713
-106
-6% -$23.3K
AEE icon
1160
Ameren
AEE
$30.2B
$388K ﹤0.01%
3,863
+450
+13% +$43.3K
SMLF icon
1161
iShares US Small Cap Equity Factor ETF
SMLF
$4.32B
$388K ﹤0.01%
6,236
-390
-6% -$26.2K
XNTK icon
1162
State Street SPDR NYSE Technology ETF
XNTK
$2.27B
$387K ﹤0.01%
2,019
+180
+10% +$37.5K
CCEP icon
1163
Coca-Cola Europacific Partners
CCEP
$47.5B
$385K ﹤0.01%
4,424
-310
-7% -$25.3K
ABM icon
1164
ABM Industries
ABM
$2.82B
$385K ﹤0.01%
8,129
– –
BBAX icon
1165
JPMorgan BetaBuilders Developed Asia Pacific-ex Japan ETF
BBAX
$6.78B
$385K ﹤0.01%
7,910
+83
+1% +$4.13K
EXE
1166
Expand Energy Corp
EXE
$21.9B
$385K ﹤0.01%
3,456
+103
+3% +$10.7K
CLH icon
1167
Clean Harbors
CLH
$16.9B
$381K ﹤0.01%
1,935
– –
WES icon
1168
Western Midstream Partners
WES
$20B
$381K ﹤0.01%
9,311
-760
-8% -$30.9K
SM icon
1169
SM Energy
SM
$7.71B
$381K ﹤0.01%
12,733
+1,508
+13% +$54.1K
NTRA icon
1170
Natera
NTRA
$44.8B
$381K ﹤0.01%
2,691
– –
CMS icon
1171
CMS Energy
CMS
$22.1B
$380K ﹤0.01%
5,057
-547
-10% -$38.2K
SMFG icon
1172
Sumitomo Mitsui Financial
SMFG
$167B
$378K ﹤0.01%
+24,467
New +$372K
EG icon
1173
Everest Group
EG
$14B
$378K ﹤0.01%
1,041
-258
-20% -$91.2K
FDN icon
1174
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.45B
$377K ﹤0.01%
1,697
-4,148
-71% -$1.02M
NRG icon
1175
NRG Energy
NRG
$25.2B
$374K ﹤0.01%
3,922
+918
+31% +$92.8K
45 46
47
48 49

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 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
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 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.