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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
EEMV icon
1501
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.6B
$91.3K ﹤0.01%
1,565
-253
-14% -$14.8K
SNAP icon
1502
Snap
SNAP
$8.79B
$90.3K ﹤0.01%
+10,371
New +$108K
IFLN
1503
Invesco Bloomberg Enhanced Fallen Angels ETF
IFLN
$306M
$90K ﹤0.01%
4,985
+2,336
+88% +$42.5K
BOND icon
1504
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.47B
$89.8K ﹤0.01%
971
-203
-17% -$18.5K
XJR icon
1505
iShares ESG Screened S&P Small-Cap ETF
XJR
$190M
$89.5K ﹤0.01%
2,379
– –
SH icon
1506
ProShares Short S&P500
SH
$844M
$88.4K ﹤0.01%
1,985
+500
+34% +$21.3K
EAGG icon
1507
iShares ESG Aware US Aggregate Bond ETF
EAGG
$4.97B
$88.3K ﹤0.01%
1,860
+6
+0.3% +$281
AVPT icon
1508
AvePoint
AVPT
$2.75B
$87.5K ﹤0.01%
6,063
-1,500
-20% -$25.2K
AG icon
1509
First Majestic Silver
AG
$9.44B
$87.5K ﹤0.01%
13,072
+1
+0% +$6
FEZ icon
1510
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.55B
$87.1K ﹤0.01%
1,600
+750
+88% +$40.1K
PID icon
1511
Invesco International Dividend Achievers ETF
PID
$912M
$87K ﹤0.01%
4,560
-363
-7% -$6.89K
IMTB icon
1512
iShares Core 5-10 Year USD Bond ETF
IMTB
$275M
$85.7K ﹤0.01%
1,974
-70
-3% -$3K
USHY icon
1513
iShares Broad USD High Yield Corporate Bond ETF
USHY
$29.1B
$85.7K ﹤0.01%
2,327
-1
-0% -$37
GSY icon
1514
Invesco Ultra Short Duration ETF
GSY
$3.88B
$85.3K ﹤0.01%
1,702
-61
-3% -$3.06K
AEF
1515
abrdn Emerging Markets Equity Income Fund
AEF
$380M
$85.1K ﹤0.01%
17,166
-426
-2% -$2.24K
PETS icon
1516
PetMed Express
PETS
$43M
$85.1K ﹤0.01%
20,300
– –
PIO icon
1517
Invesco Global Water ETF
PIO
$278M
$84.8K ﹤0.01%
2,112
-772
-27% -$31.3K
TMCI icon
1518
Treace Medical Concepts
TMCI
$309M
$84.6K ﹤0.01%
10,080
– –
ADPT icon
1519
Adaptive Biotechnologies
ADPT
$4.02B
$83.6K ﹤0.01%
+11,249
New +$86.5K
RPAY icon
1520
Repay Holdings
RPAY
$311M
$81.7K ﹤0.01%
14,660
-8,848
-38% -$60.9K
JHML icon
1521
John Hancock Multifactor Large Cap ETF
JHML
$1.2B
$81.4K ﹤0.01%
1,207
– –
FXL icon
1522
First Trust Technology AlphaDEX Fund
FXL
$2.84B
$81.3K ﹤0.01%
615
– –
PWV icon
1523
Invesco Large Cap Value ETF
PWV
$1.78B
$80.3K ﹤0.01%
1,350
– –
DSX icon
1524
Diana Shipping
DSX
$296M
$78.4K ﹤0.01%
+50,286
New +$91.3K
BDSX icon
1525
Biodesix
BDSX
$256M
$77.6K ﹤0.01%
6,205
+1,550
+33% +$29.8K
59 60
61
62 63

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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.