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
KR icon
326
Kroger
KR
$34.3B
$10.2M 0.03%
151,259
-8,153
-5% -$517K
MEDP icon
327
Medpace
MEDP
$16.7B
$10.2M 0.03%
33,415
-730
-2% -$246K
HWM icon
328
Howmet Aerospace
HWM
$112B
$10M 0.03%
77,105
+4,210
+6% +$535K
CEG icon
329
Constellation Energy
CEG
$98.7B
$9.97M 0.03%
49,439
+6,543
+15% +$1.75M
CARR icon
330
Carrier Global
CARR
$52B
$9.86M 0.03%
155,521
+4,005
+3% +$266K
SDY icon
331
State Street SPDR S&P Dividend ETF
SDY
$22.1B
$9.8M 0.03%
72,222
-3,783
-5% -$509K
CMCSA icon
332
Comcast
CMCSA
$90.4B
$9.76M 0.03%
264,453
-85,530
-24% -$3.09M
IWO icon
333
iShares Russell 2000 Growth ETF
IWO
$15B
$9.75M 0.03%
38,145
-126
-0.3% -$35.6K
PSN icon
334
Parsons
PSN
$5.16B
$9.73M 0.03%
164,361
+153,735
+1,447% +$11.1M
NSC icon
335
Norfolk Southern
NSC
$75.3B
$9.71M 0.03%
40,993
-2,442
-6% -$595K
OMC icon
336
Omnicom Group
OMC
$23.5B
$9.71M 0.03%
117,058
-1,240
-1% -$104K
JEPI icon
337
JPMorgan Equity Premium Income ETF
JEPI
$46.1B
$9.61M 0.03%
168,206
+34,913
+26% +$2.03M
FVD icon
338
First Trust Value Line Dividend Fund
FVD
$8.36B
$9.55M 0.03%
214,112
-12,138
-5% -$539K
FROG icon
339
JFrog
FROG
$10.4B
$9.52M 0.03%
297,434
+15,350
+5% +$534K
SHAK icon
340
Shake Shack
SHAK
$2.94B
$9.49M 0.03%
107,680
+3,291
+3% +$357K
ARM icon
341
Arm
ARM
$290B
$9.44M 0.03%
88,436
+11,056
+14% +$1.54M
CVNA icon
342
Carvana
CVNA
$79.7B
$9.36M 0.03%
223,955
+17,940
+9% +$794K
SO icon
343
Southern Company
SO
$106B
$9.36M 0.03%
101,801
-1,426
-1% -$123K
EXAS
344
DELISTED
Exact Sciences
EXAS
$9.28M 0.03%
214,469
-89,912
-30% -$4.55M
CAVA icon
345
CAVA Group
CAVA
$8.09B
$9.23M 0.03%
106,870
-25,952
-20% -$2.81M
WEX icon
346
WEX
WEX
$6.48B
$9.23M 0.03%
58,792
-65,349
-53% -$10.8M
PBH icon
347
Prestige Consumer Healthcare
PBH
$2.48B
$9.12M 0.03%
106,114
+14,967
+16% +$1.23M
PWR icon
348
Quanta Services
PWR
$102B
$9.11M 0.03%
35,844
-487
-1% -$141K
BILL icon
349
BILL Holdings
BILL
$4.85B
$9.1M 0.03%
198,294
+70,276
+55% +$4.73M
MCK icon
350
McKesson
MCK
$102B
$8.96M 0.03%
13,319
-509
-4% -$315K
12 13
14
15 16

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.