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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
KFY icon
351
Korn Ferry
KFY
$4.28B
$8.94M 0.03%
131,802
-108,091
-45% -$7.3M
SSNC icon
352
SS&C Technologies
SSNC
$18.8B
$8.91M 0.03%
106,721
+76,577
+254% +$6.34M
DGX icon
353
Quest Diagnostics
DGX
$26.2B
$8.9M 0.03%
52,621
+12,464
+31% +$2.05M
HBAN icon
354
Huntington Bancshares
HBAN
$36.1B
$8.75M 0.03%
583,268
+5,598
+1% +$90.2K
VUSB icon
355
Vanguard Ultra-Short Bond ETF
VUSB
$9.33B
$8.74M 0.03%
175,297
+13,549
+8% +$674K
TIP icon
356
iShares TIPS Bond ETF
TIP
$14.7B
$8.69M 0.03%
78,242
-497
-0.6% -$54K
GEHC icon
357
GE HealthCare
GEHC
$32.6B
$8.68M 0.03%
107,510
-1,111
-1% -$95.5K
BDX icon
358
Becton Dickinson
BDX
$50B
$8.54M 0.03%
37,266
-1,855
-5% -$430K
NOC icon
359
Northrop Grumman
NOC
$82B
$8.54M 0.03%
16,671
-1,434
-8% -$685K
NVS icon
360
Novartis
NVS
$290B
$8.53M 0.03%
76,522
-3,730
-5% -$397K
BR icon
361
Broadridge
BR
$19.3B
$8.46M 0.03%
34,883
-246
-0.7% -$57.9K
STWD icon
362
Starwood Property Trust
STWD
$6.09B
$8.44M 0.03%
426,790
+23,579
+6% +$463K
PNC icon
363
PNC Financial Services
PNC
$102B
$8.38M 0.03%
47,678
-3,139
-6% -$593K
SN icon
364
SharkNinja
SN
$26.2B
$8.33M 0.03%
99,906
-872
-0.9% -$88.8K
EFG icon
365
iShares MSCI EAFE Growth ETF
EFG
$17.4B
$8.31M 0.03%
83,093
-5,760
-6% -$587K
KRNT icon
366
Kornit Digital
KRNT
$815M
$8.3M 0.03%
434,981
-14,746
-3% -$385K
MGK icon
367
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
$8.27M 0.02%
133,850
-12,500
-9% -$843K
COWZ icon
368
Pacer US Cash Cows 100 ETF
COWZ
$19.6B
$8.26M 0.02%
150,767
+18,783
+14% +$1.07M
WPM icon
369
Wheaton Precious Metals
WPM
$61.3B
$8.24M 0.02%
106,142
-27,128
-20% -$1.81M
USMV icon
370
iShares MSCI USA Min Vol Factor ETF
USMV
$24.4B
$8.2M 0.02%
87,594
-1,435
-2% -$132K
STKL
371
DELISTED
SunOpta
STKL
$8.19M 0.02%
1,686,169
+21,925
+1% +$146K
PFEB icon
372
Innovator US Equity Power Buffer ETF February
PFEB
$925M
$8.18M 0.02%
228,462
+212,574
+1,338% +$7.81M
TRV icon
373
Travelers Companies
TRV
$77.2B
$8.13M 0.02%
30,734
-574
-2% -$143K
BIV icon
374
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
$8.07M 0.02%
105,388
-8,686
-8% -$655K
IWN icon
375
iShares Russell 2000 Value ETF
IWN
$14.6B
$8.05M 0.02%
53,307
-524
-1% -$84.6K
13 14
15
16 17

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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.