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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
PXF icon
1576
Invesco FTSE RAFI Developed Markets ex-US ETF
PXF
$2.97B
$53.3K ﹤0.01%
1,026
+516
+101% +$26.3K
AIVI icon
1577
WisdomTree International AI Enhanced Value Fund
AIVI
$63.1M
$53K ﹤0.01%
1,210
– –
TDOC icon
1578
Teladoc Health
TDOC
$1.22B
$52.5K ﹤0.01%
6,595
-2,222
-25% -$22.5K
FNCL icon
1579
Fidelity MSCI Financials Index ETF
FNCL
$2.42B
$52.3K ﹤0.01%
752
-1,386
-65% -$98.2K
REGL icon
1580
ProShares S&P MidCap 400 Dividend Aristocrats ETF
REGL
$1.81B
$52.2K ﹤0.01%
647
+379
+141% +$30.9K
WOMN icon
1581
Impact Shares Womens Empowerment ETF Trading
WOMN
$59.1M
$51.7K ﹤0.01%
1,350
+254
+23% +$10K
SPYX icon
1582
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.87B
$51.6K ﹤0.01%
1,128
– –
LRGF icon
1583
iShares US Equity Factor ETF
LRGF
$3.71B
$51.6K ﹤0.01%
891
-294
-25% -$17.9K
VCLT icon
1584
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.75B
$49.8K ﹤0.01%
656
-199
-23% -$15K
NUMG icon
1585
Nuveen ESG Mid-Cap Growth ETF
NUMG
$370M
$49.6K ﹤0.01%
+1,155
New +$53.9K
ITEQ icon
1586
Amplify BlueStar Israel Technology ETF
ITEQ
$118M
$48.8K ﹤0.01%
1,000
– –
JSMD icon
1587
Janus Henderson Small/Mid Cap Growth Alpha ETF
JSMD
$1.1B
$48.1K ﹤0.01%
687
– –
RSPM icon
1588
Invesco S&P 500 Equal Weight Materials ETF
RSPM
$184M
$47.9K ﹤0.01%
1,510
– –
ISCG icon
1589
iShares Morningstar Small-Cap Growth ETF
ISCG
$1.02B
$47.8K ﹤0.01%
1,062
– –
XOP icon
1590
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.68B
$47.4K ﹤0.01%
360
– –
NMTC icon
1591
NeuroOne Medical Technologies
NMTC
$13.2M
$47.2K ﹤0.01%
9,259
– –
CORP icon
1592
PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund
CORP
$1.58B
$46.8K ﹤0.01%
484
+1
+0.2% +$96
EQAL icon
1593
Invesco Russell 1000 Equal Weight ETF
EQAL
$844M
$46.4K ﹤0.01%
982
– –
GALT icon
1594
Galectin Therapeutics
GALT
$317M
$46.2K ﹤0.01%
37,884
– –
GSUS icon
1595
Goldman Sachs MarketBeta US Equity ETF
GSUS
$3.3B
$46.1K ﹤0.01%
600
– –
FUBO icon
1596
FuboTV Inc
FUBO
$293M
$45.8K ﹤0.01%
1,308
– –
SVCO
1597
Silvaco Group
SVCO
$251M
$45.6K ﹤0.01%
+10,000
New +$68.4K
XES icon
1598
State Street SPDR S&P Oil & Gas Equipment & Services ETF
XES
$390M
$45.6K ﹤0.01%
639
– –
IVOO icon
1599
Vanguard S&P Mid-Cap 400 ETF
IVOO
$3.93B
$44.5K ﹤0.01%
451
+251
+126% +$26.4K
DVYE icon
1600
iShares Emerging Markets Dividend ETF
DVYE
$1.21B
$44.3K ﹤0.01%
1,625
– –
62 63
64
65 66

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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.