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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
EWN icon
1776
iShares MSCI Netherlands ETF
EWN
$727M
$1.31K ﹤0.01%
28
– –
EPU icon
1777
iShares MSCI Peru and Global Exposure ETF
EPU
$550M
$1.23K ﹤0.01%
28
– –
SRVR icon
1778
Pacer Data & Infrastructure Real Estate ETF
SRVR
$386M
$1.11K ﹤0.01%
38
+4
+12% +$121
PAMC icon
1779
Pacer Lunt MidCap Multi-Factor Alternator ETF
PAMC
$54.7M
$1.06K ﹤0.01%
+25
New +$1.14K
FALN icon
1780
iShares Fallen Angels USD Bond ETF
FALN
$1.6B
$964 ﹤0.01%
36
– –
SEAT icon
1781
Vivid Seats
SEAT
$81.6M
$888 ﹤0.01%
15
-1
-6% -$80
CORZZ icon
1782
Core Scientific Inc Tranche 2 Warrants
CORZZ
$1.75B
$869 ﹤0.01%
121
– –
QQQS icon
1783
Invesco NASDAQ Future Gen 200 ETF
QQQS
$22.8M
$586 ﹤0.01%
+25
New +$687
GOAU icon
1784
US Global GO Gold and Precious Metal Miners ETF
GOAU
$200M
$552 ﹤0.01%
+22
New +$481
TUR icon
1785
iShares MSCI Turkey ETF
TUR
$221M
$492 ﹤0.01%
+15
New +$531
IEZ icon
1786
iShares US Oil Equipment & Services ETF
IEZ
$385M
$449 ﹤0.01%
+23
New +$466
GDE icon
1787
WisdomTree Efficient Gold Plus Equity Strategy Fund
GDE
$483M
$411 ﹤0.01%
+10
New +$399
PSI icon
1788
Invesco Semiconductors ETF
PSI
$2.58B
$379 ﹤0.01%
+8
New +$454
CHIQ icon
1789
Global X MSCI China Consumer Discretionary ETF
CHIQ
$123M
$357 ﹤0.01%
+16
New +$337
FTIF icon
1790
First Trust Bloomberg Inflation Sensitive Equity ETF
FTIF
$5.79M
$249 ﹤0.01%
+12
New +$259
FLDZ icon
1791
TrueShares Patriot Defense ETF
FLDZ
$4.39M
$138 ﹤0.01%
+5
New +$141
ISPOW
1792
DELISTED
Inspirato Inc Warrant
ISPOW
$116 ﹤0.01%
15,000
– –
SRS icon
1793
ProShares UltraShort Real Estate
SRS
$16.1M
$48 ﹤0.01%
1
– –
AA icon
1794
Alcoa
AA
$13.5B
– –
-5,870
Closed -$222K
AB icon
1795
AllianceBernstein
AB
$3.4B
– –
-6,989
Closed -$259K
ACVA icon
1796
ACV Auctions
ACVA
$1.35B
– –
-11,266
Closed -$243K
AIEQ icon
1797
Amplify AI Powered Equity ETF
AIEQ
$124M
– –
-409
Closed -$16.3K
ALLK
1798
DELISTED
Allakos
ALLK
– –
-27,317
Closed -$33.1K
ARCT icon
1799
Arcturus Therapeutics
ARCT
$216M
– –
-16,735
Closed -$284K
AXS icon
1800
AXIS Capital
AXS
$7.26B
– –
-2,721
Closed -$241K
70 71
72
73 74

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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.