We are live on
!
Find out more
William Blair & Company Portfolio holdings
AUM
$34.9B
1-Year Est. Return
18.88%
This Fund
S&P 500
This Quarter
Est. Return
+12.61%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$36B
AUM Growth
+$2.85B
(+8.6%)
Cap. Flow
-$222M
Cap. Flow
% of AUM
-0.62%
Top 10 Holdings %
Top 10 Hldgs %
24.91%
Holding
1,911
New
111
Increased
662
Reduced
757
Closed
87
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
GE Vernova
GEV
|
+$116M |
| 2 |
Boeing
BA
|
+$34M |
| 3 |
CWAN
Clearwater Analytics
CWAN
|
+$31.2M |
| 4 |
NVIDIA
NVDA
|
+$27.5M |
| 5 |
Cloudflare
NET
|
+$26.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
XYZ
Block Inc
XYZ
|
+$79.4M |
| 2 |
Zoetis
ZTS
|
+$41.3M |
| 3 |
Accenture
ACN
|
+$40.8M |
| 4 |
iShares Core S&P Mid-Cap ETF
IJH
|
+$40.7M |
| 5 |
UnitedHealth
UNH
|
+$36.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.47% |
| 2 | Financials | 13.92% |
| 3 | Industrials | 12.94% |
| 4 | Healthcare | 11.51% |
| 5 | Consumer Discretionary | 7.98% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
701
WisdomTree US High Dividend Fund
DHS
$1.58B
| $2.13M | 0.01% |
22,145
+1,925
| +10% | +$181K |
|
702
BigBear.ai
BBAI
$1.57B
| $2.1M | 0.01% |
309,601
+26,591
| +9% | +$96.1K |
|
703
Exelon
EXC
$47B
| $2.09M | 0.01% |
48,228
+1,142
| +2% | +$50.8K |
|
704
Landstar System
LSTR
$6.21B
| $2.09M | 0.01% |
15,034
| – | – |
|
705
BlackRock Flexible Income ETF
BINC
$16.1B
| $2.08M | 0.01% |
39,397
+26,690
| +210% | +$1.39M |
|
706
Innovator US Small Cap Power Buffer ETF July
KJUL
$218M
| $2.08M | 0.01% |
71,177
-710
| -1% | -$19.9K |
|
707
Apollo Global Management
APO
$73.4B
| $2.07M | 0.01% |
14,596
+1,607
| +12% | +$213K |
|
708
JPMorgan BetaBuilders Japan ETF
BBJP
$18.8B
| $2.05M | 0.01% |
33,257
-97
| -0.3% | -$5.66K |
|
709
Littelfuse
LFUS
$11.6B
| $2.03M | 0.01% |
8,945
-7,696
| -46% | -$1.52M |
|
710
CDW
CDW
$17B
| $2.02M | 0.01% |
11,333
-630
| -5% | -$107K |
|
711
Eversource Energy
ES
$27.2B
| $2.02M | 0.01% |
31,791
+255
| +0.8% | +$15.7K |
|
712
Willis Towers Watson
WTW
$32B
| $2.01M | 0.01% |
6,568
+19
| +0.3% | +$5.89K |
|
713
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.69B
| $2.01M | 0.01% |
24,276
-9,012
| -27% | -$708K |
|
714
SLB Ltd
SLB
$75B
| $2.01M | 0.01% |
59,363
-45,067
| -43% | -$1.56M |
|
715
Aflac
AFL
$62.6B
| $2M | 0.01% |
18,987
+604
| +3% | +$63.5K |
|
716
Neurogene
NGNE
$712M
| $1.99M | 0.01% |
133,236
-17,944
| -12% | -$282K |
|
717
iShares 0-1 Year Treasury Bond ETF
SHV
$20.6B
| $1.98M | 0.01% |
17,921
+123
| +0.7% | +$13.6K |
|
718
Dominion Energy
D
$59.3B
| $1.97M | 0.01% |
34,813
+1,888
| +6% | +$103K |
|
719
C.H. Robinson
CHRW
$17.5B
| $1.94M | 0.01% |
20,251
-238
| -1% | -$22.3K |
|
|
EA
720
DELISTED
Electronic Arts
EA
| $1.94M | 0.01% |
12,122
-1,849
| -13% | -$273K |
|
721
RPM International
RPM
$15B
| $1.93M | 0.01% |
17,548
+1,400
| +9% | +$154K |
|
722
AvalonBay Communities
AVB
$26.8B
| $1.92M | 0.01% |
9,433
+634
| +7% | +$130K |
|
723
Dimensional US Marketwide Value ETF
DFUV
$15.8B
| $1.92M | 0.01% |
45,331
+1,689
| +4% | +$67.8K |
|
724
Entergy
ETR
$50B
| $1.92M | 0.01% |
23,041
+1,355
| +6% | +$112K |
|
725
M&T Bank
MTB
$36.2B
| $1.9M | 0.01% |
9,799
+2,328
| +31% | +$411K |
|
Similar funds
SAM
VIA
William Blair & Company's Q2 2025 Portfolio in Review
As of Q2 2025, William Blair & Company held 1,911 positions worth $36B, up 8.6% from $33.2B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
William Blair & Company's Q2 2025 filing shows 111 new, 662 increased, 757 reduced and 87 closed positions. Its largest new stake was Affirm: 304,959 shares worth $21.1M. The largest sale was Block Inc, an estimated $79.4M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 26% a quarter earlier, followed by Financials and Industrials.
- William Blair & Company's largest Q2 2025 buy was Affirm: 304,959 shares worth $21.1M.
- William Blair & Company added most to GE Vernova in Q2 2025, an estimated $116M increase.
- William Blair & Company's biggest Q2 2025 reduction was Block Inc, cutting an estimated $79.4M.
- William Blair & Company fully exited Discover Financial Services in Q2 2025, selling an estimated $5.21M.
- William Blair & Company's ten largest holdings make up 25% of its $36B portfolio in Q2 2025.
- William Blair & Company opened 111 new positions and closed 87 in Q2 2025.
- William Blair & Company's portfolio value rose 8.6% quarter-over-quarter to $36B.
Based on William Blair & Company's 13F filing for Q2 2025, filed 24 Jul 2025.