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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
SQQQ icon
1676
ProShares UltraPro Short QQQ
SQQQ
$1.73B
$15.3K ﹤0.01%
80
– –
LESL icon
1677
Leslie's
LESL
$12.4M
$15.2K ﹤0.01%
1,034
-43
-4% -$1.32K
PXH icon
1678
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.97B
$14.7K ﹤0.01%
677
+595
+726% +$12.7K
DLPN icon
1679
Dolphin Entertainment
DLPN
$14.8M
$14.7K ﹤0.01%
+14,552
New +$15.3K
FXR icon
1680
First Trust Industrials/Producer Durables AlphaDEX Fund
FXR
$767M
$14.6K ﹤0.01%
210
– –
GCMGW
1681
DELISTED
GCM Grosvenor Inc Warrant
GCMGW
$14.6K ﹤0.01%
8,395
-13,395
-61% -$26.5K
FWONA icon
1682
Liberty Media Series A
FWONA
$23.7B
$14.3K ﹤0.01%
176
-39
-18% -$3.32K
EMC icon
1683
Global X Emerging Markets Great Consumer ETF
EMC
$57.1M
$14.1K ﹤0.01%
538
– –
CZA icon
1684
Invesco Zacks Mid-Cap ETF
CZA
$192M
$14K ﹤0.01%
135
– –
GSSC icon
1685
GS ActiveBeta US Small Cap Equity ETF
GSSC
$1.1B
$13.8K ﹤0.01%
218
– –
REKR icon
1686
Rekor Systems
REKR
$94M
$13.7K ﹤0.01%
15,500
+1,500
+11% +$2.37K
SLQD icon
1687
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$13.5K ﹤0.01%
269
– –
SMMV icon
1688
iShares MSCI USA Small-Cap Min Vol Factor ETF
SMMV
$291M
$13.1K ﹤0.01%
317
– –
FXN icon
1689
First Trust Energy AlphaDEX Fund
FXN
$388M
$13K ﹤0.01%
786
+41
+6% +$686
HTZWW
1690
Hertz Global Holdings Warrants
HTZWW
$112M
$12.7K ﹤0.01%
5,602
– –
GSST icon
1691
Goldman Sachs Access Ultra Short Bond ETF
GSST
$1.59B
$12.4K ﹤0.01%
244
+2
+0.8% +$101
CUT icon
1692
Invesco MSCI Global Timber ETF
CUT
$33.4M
$12.3K ﹤0.01%
400
– –
EWS icon
1693
iShares MSCI Singapore ETF
EWS
$1.16B
$12K ﹤0.01%
504
– –
NKTR icon
1694
Nektar Therapeutics
NKTR
$2.57B
$12K ﹤0.01%
1,172
-6
-0.5% -$78
FVAL icon
1695
Fidelity Value Factor ETF
FVAL
$1.37B
$11.9K ﹤0.01%
200
– –
FXD icon
1696
First Trust Consumer Discretionary AlphaDEX Fund
FXD
$272M
$11.9K ﹤0.01%
206
+76
+58% +$4.82K
WTV icon
1697
WisdomTree US Value Fund
WTV
$3.36B
$11.8K ﹤0.01%
144
– –
FIW icon
1698
First Trust Water ETF
FIW
$1.92B
$11.7K ﹤0.01%
116
-105
-48% -$10.9K
RFG icon
1699
Invesco S&P MidCap 400 Pure Growth ETF
RFG
$362M
$11.6K ﹤0.01%
265
– –
FTSL icon
1700
First Trust Senior Loan Fund ETF
FTSL
$2.33B
$11.5K ﹤0.01%
252
+3
+1% +$138
66 67
68
69 70

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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.