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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
GVIP icon
1826
Goldman Sachs Hedge Industry VIP ETF
GVIP
$581M
– –
-319
Closed -$39.6K
HII icon
1827
Huntington Ingalls Industries
HII
$12.9B
– –
-1,115
Closed -$211K
ILMN icon
1828
Illumina
ILMN
$29.1B
– –
-22,332
Closed -$2.98M
IONQ icon
1829
IonQ
IONQ
$18.3B
– –
-6,219
Closed -$260K
ITUB icon
1830
Itaú Unibanco
ITUB
$81.6B
– –
-40,030
Closed -$175K
JBGS
1831
JBG SMITH
JBGS
$691M
– –
-51,500
Closed -$792K
JJSF icon
1832
J&J Snack Foods
JJSF
$1.67B
– –
-5,916
Closed -$918K
JNPR
1833
DELISTED
Juniper Networks
JNPR
– –
-14,297
Closed -$535K
KNX icon
1834
Knight Transportation
KNX
$11.6B
– –
-5,433
Closed -$288K
LAD icon
1835
Lithia Motors
LAD
$8.32B
– –
-661
Closed -$236K
LFMD icon
1836
LifeMD
LFMD
$159M
– –
-62,500
Closed -$309K
LITE icon
1837
Lumentum
LITE
$72.5B
– –
-3,131
Closed -$263K
LPX icon
1838
Louisiana-Pacific
LPX
$5.15B
– –
-2,058
Closed -$213K
LVS icon
1839
Las Vegas Sands
LVS
$29.6B
– –
-22,474
Closed -$1.15M
MANH icon
1840
Manhattan Associates
MANH
$11.2B
– –
-6,015
Closed -$1.63M
MCY icon
1841
Mercury Insurance
MCY
$5.84B
– –
-3,373
Closed -$224K
MHK icon
1842
Mohawk Industries
MHK
$9.27B
– –
-4,095
Closed -$488K
MP icon
1843
MP Materials
MP
$9.64B
– –
-13,632
Closed -$213K
MPT
1844
Medical Properties Trust
MPT
$2.42B
– –
-10,475
Closed -$41.4K
MTZ icon
1845
MasTec
MTZ
$22.6B
– –
-1,478
Closed -$201K
MUSA icon
1846
Murphy USA
MUSA
$10.1B
– –
-5,240
Closed -$2.63M
NCDL icon
1847
Nuveen Churchill Direct Lending
NCDL
$611M
– –
-20,965
Closed -$352K
NCLH icon
1848
Norwegian Cruise Line
NCLH
$8.69B
– –
-9,440
Closed -$243K
NICE icon
1849
Nice
NICE
$5.78B
– –
-1,957
Closed -$332K
NOV icon
1850
NOV
NOV
$7.45B
– –
-14,936
Closed -$218K
72 73
74
75 76

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HF
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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.