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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
IHF icon
1651
iShares US Healthcare Providers ETF
IHF
$1.27B
$21.9K ﹤0.01%
415
-300
-42% -$15.4K
AAXJ icon
1652
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.83B
$21.9K ﹤0.01%
296
– –
XTL icon
1653
State Street SPDR S&P Telecom ETF
XTL
$558M
$20.6K ﹤0.01%
206
– –
SOCL icon
1654
Global X Social Media ETF
SOCL
$90.3M
$20.5K ﹤0.01%
467
– –
HLLY.WS
1655
DELISTED
Holley Inc Warrants
HLLY.WS
$20.1K ﹤0.01%
401,489
+245,589
+158% +$16K
GIFT
1656
Giftify Inc
GIFT
$31.9M
$20K ﹤0.01%
+10,000
New +$14.4K
DTH icon
1657
WisdomTree International High Dividend Fund
DTH
$659M
$19.9K ﹤0.01%
468
– –
AUTL
1658
Autolus Therapeutics
AUTL
$564M
$19.8K ﹤0.01%
12,794
– –
PGF icon
1659
Invesco Financial Preferred ETF
PGF
$668M
$19.3K ﹤0.01%
1,350
+1,200
+800% +$17.6K
EPOL icon
1660
iShares MSCI Poland ETF
EPOL
$825M
$18.6K ﹤0.01%
+665
New +$16.7K
SPMB icon
1661
State Street SPDR Portfolio Mortgage Backed Bond ETF
SPMB
$7.05B
$18.5K ﹤0.01%
838
-982
-54% -$21.4K
OIH icon
1662
VanEck Oil Services ETF
OIH
$1.96B
$18.3K ﹤0.01%
70
– –
IFGL icon
1663
iShares International Developed Real Estate ETF
IFGL
$82.2M
$18.2K ﹤0.01%
923
-300
-25% -$5.92K
BWX icon
1664
State Street SPDR Bloomberg International Treasury Bond ETF
BWX
$1.31B
$17.8K ﹤0.01%
816
+176
+28% +$3.8K
FXH icon
1665
First Trust Health Care AlphaDEX Fund
FXH
$1.11B
$17.1K ﹤0.01%
165
-500
-75% -$53.5K
GLDG
1666
GoldMining Inc
GLDG
$223M
$17K ﹤0.01%
20,000
– –
TEQI icon
1667
T. Rowe Price Equity Income ETF
TEQI
$469M
$16.7K ﹤0.01%
400
– –
XSW icon
1668
State Street SPDR S&P Software & Services ETF
XSW
$493M
$16K ﹤0.01%
100
– –
SENS icon
1669
Senseonics Holdings Inc
SENS
$419M
$15.9K ﹤0.01%
1,215
– –
FTSM icon
1670
First Trust Enhanced Short Maturity ETF
FTSM
$6.54B
$15.9K ﹤0.01%
265
+1
+0.4% +$60
ENFR icon
1671
Alerian Energy Infrastructure ETF
ENFR
$521M
$15.6K ﹤0.01%
475
– –
ELEV
1672
DELISTED
Elevation Oncology
ELEV
$15.5K ﹤0.01%
+60,000
New +$34.3K
NUSC icon
1673
Nuveen ESG Small-Cap ETF
NUSC
$1.34B
$15.5K ﹤0.01%
+404
New +$16.8K
CLIP icon
1674
Global X 1-3 Month T-Bill ETF
CLIP
$2.4B
$15.4K ﹤0.01%
153
– –
BRF icon
1675
VanEck Brazil Small-Cap ETF
BRF
$20.4M
$15.3K ﹤0.01%
1,203
– –
65 66
67
68 69

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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.