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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
SPHD icon
1451
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.39B
$145K ﹤0.01%
2,889
+6
+0.2% +$295
SPTM icon
1452
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14.1B
$144K ﹤0.01%
2,116
-600
-22% -$42.9K
RGT
1453
Royce Global Value Trust
RGT
$101M
$142K ﹤0.01%
13,520
– –
GO icon
1454
Grocery Outlet
GO
$1.01B
$140K ﹤0.01%
+10,000
New +$148K
FLRN icon
1455
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
$132K ﹤0.01%
4,275
-676
-14% -$20.8K
IGIB icon
1456
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.5B
$127K ﹤0.01%
2,425
+646
+36% +$33.6K
EWW icon
1457
iShares MSCI Mexico ETF
EWW
$1.9B
$127K ﹤0.01%
2,497
+60
+2% +$3.03K
OPPE
1458
WisdomTree European Opportunities Fund
OPPE
$295M
$127K ﹤0.01%
3,000
-650
-18% -$26.7K
HLN icon
1459
Haleon
HLN
$43.2B
$127K ﹤0.01%
12,295
-26,650
-68% -$262K
GENI icon
1460
Genius Sports
GENI
$2.12B
$126K ﹤0.01%
12,550
– –
ICF icon
1461
iShares Select U.S. REIT ETF
ICF
$2.09B
$124K ﹤0.01%
2,016
– –
IYY icon
1462
iShares Dow Jones US ETF
IYY
$3.07B
$124K ﹤0.01%
910
+346
+61% +$49.6K
PCY icon
1463
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.39B
$124K ﹤0.01%
6,123
-1,595
-21% -$32.3K
MCHI icon
1464
iShares MSCI China ETF
MCHI
$6.21B
$122K ﹤0.01%
2,246
-4,316
-66% -$222K
EWX icon
1465
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$702M
$122K ﹤0.01%
2,154
-602
-22% -$34.9K
ETHO icon
1466
Amplify Etho Climate Leadership US ETF
ETHO
$195M
$122K ﹤0.01%
2,216
-2,745
-55% -$162K
XSMO icon
1467
Invesco S&P SmallCap Momentum ETF
XSMO
$3.13B
$122K ﹤0.01%
1,941
+140
+8% +$9.21K
REAX icon
1468
Real Brokerage
REAX
$508M
$122K ﹤0.01%
30,000
– –
ARDX icon
1469
Ardelyx
ARDX
$1.03B
$122K ﹤0.01%
24,785
+10,000
+68% +$53.7K
COOK icon
1470
Traeger
COOK
$172M
$121K ﹤0.01%
1,443
+4
+0.3% +$443
CWI icon
1471
State Street SPDR MSCI ACWI ex-US ETF
CWI
$2.87B
$120K ﹤0.01%
4,058
-644
-14% -$18.9K
AGNC icon
1472
AGNC Investment
AGNC
$12.9B
$120K ﹤0.01%
+12,488
New +$125K
DWM icon
1473
WisdomTree International Equity Fund
DWM
$693M
$118K ﹤0.01%
2,035
+1,915
+1,596% +$108K
CQQQ icon
1474
Invesco China Technology ETF
CQQQ
$3.24B
$118K ﹤0.01%
2,652
– –
KOS icon
1475
Kosmos Energy
KOS
$1.49B
$114K ﹤0.01%
+50,000
New +$148K
57 58
59
60 61

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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.