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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
BBD icon
1801
Banco Bradesco
BBD
$34.9B
– –
-29,980
Closed -$57.3K
BFC icon
1802
Bank First Corp
BFC
$1.74B
– –
-2,669
Closed -$264K
BLDR icon
1803
Builders FirstSource
BLDR
$7.79B
– –
-1,401
Closed -$200K
BLV icon
1804
Vanguard Long-Term Bond ETF
BLV
$5.7B
– –
-11
Closed -$753
BMRC icon
1805
Bank of Marin Bancorp
BMRC
$462M
– –
-9,230
Closed -$219K
BNS icon
1806
Scotiabank
BNS
$110B
– –
-3,903
Closed -$210K
CERT icon
1807
Certara
CERT
$1.22B
– –
-14,299
Closed -$152K
CHGG icon
1808
Chegg
CHGG
$88.9M
– –
-2,933
Closed -$4.72K
CNC icon
1809
Centene
CNC
$33.1B
– –
-6,469
Closed -$392K
COHU icon
1810
Cohu
COHU
$2.66B
– –
-7,952
Closed -$212K
COPX icon
1811
Global X Copper Miners ETF NEW
COPX
$8.22B
– –
-473
Closed -$18.1K
CRL icon
1812
Charles River Laboratories
CRL
$13.6B
– –
-1,600
Closed -$295K
CURV icon
1813
Torrid Holdings
CURV
$228M
– –
-10,000
Closed -$52.3K
DBX icon
1814
Dropbox
DBX
$7.31B
– –
-23,950
Closed -$719K
ENOV icon
1815
Enovis
ENOV
$1.42B
– –
-4,870
Closed -$214K
EWL icon
1816
iShares MSCI Switzerland ETF
EWL
$2.22B
– –
-95
Closed -$4.37K
FCN icon
1817
FTI Consulting
FCN
$4.22B
– –
-1,075
Closed -$205K
FDLO icon
1818
Fidelity Low Volatility Factor ETF
FDLO
$1.45B
– –
-508
Closed -$30.8K
FLNC icon
1819
Fluence Energy
FLNC
$2.44B
– –
-23,500
Closed -$373K
FRGE
1820
DELISTED
Forge Global Holdings
FRGE
– –
-759
Closed -$10.6K
FRT icon
1821
Federal Realty Investment Trust
FRT
$10.2B
– –
-2,683
Closed -$300K
FUN icon
1822
Cedar Fair
FUN
$1.68B
– –
-6,422
Closed -$309K
GIGB icon
1823
Goldman Sachs Access Investment Grade Corporate Bond ETF
GIGB
$970M
– –
-97
Closed -$4.37K
GNTX icon
1824
Gentex
GNTX
$4.93B
– –
-7,245
Closed -$208K
GTLS
1825
DELISTED
Chart Industries
GTLS
– –
-1,209
Closed -$231K
71 72
73
74 75

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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.