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 | |
|---|---|---|---|---|---|---|
|
HDV
526
iShares Core High Dividend ETF
HDV
$14.9B
| $4.4M | 0.01% |
187,580
-2,290
| -1% | -$52.8K |
|
527
Vanguard Tax-Exempt Bond Index Fund
VTEB
$45.3B
| $4.39M | 0.01% |
89,550
+23,549
| +36% | +$1.15M |
|
528
Shell
SHEL
$245B
| $4.38M | 0.01% |
62,225
-1,584
| -2% | -$106K |
|
529
WEC Energy
WEC
$35.1B
| $4.38M | 0.01% |
41,998
-1,052
| -2% | -$112K |
|
530
iShares International Select Dividend ETF
IDV
$8.51B
| $4.36M | 0.01% |
126,465
+31,922
| +34% | +$1.04M |
|
531
Royal Gold
RGLD
$19.5B
| $4.35M | 0.01% |
24,451
-449
| -2% | -$79.5K |
|
532
Ares Capital
ARCC
$14.4B
| $4.33M | 0.01% |
197,385
-98,217
| -33% | -$2.09M |
|
533
Kenvue
KVUE
$36.9B
| $4.32M | 0.01% |
206,387
+31,088
| +18% | +$707K |
|
534
Agilent Technologies
A
$41.2B
| $4.31M | 0.01% |
36,535
+343
| +0.9% | +$38K |
|
535
Vanguard ESG US Stock ETF
ESGV
$13.6B
| $4.31M | 0.01% |
39,321
-19,692
| -33% | -$1.99M |
|
|
TEM
536
Tempus AI
TEM
$9.39B
| $4.3M | 0.01% |
67,637
+35,303
| +109% | +$2.02M |
|
537
Federal Signal
FSS
$7.83B
| $4.29M | 0.01% |
40,355
+10,478
| +35% | +$933K |
|
538
ITT
ITT
$19.1B
| $4.29M | 0.01% |
27,383
+4,545
| +20% | +$647K |
|
539
Colliers International
CIGI
$5.19B
| $4.29M | 0.01% |
32,875
+553
| +2% | +$67.3K |
|
540
CVS Health
CVS
$122B
| $4.28M | 0.01% |
62,052
+525
| +0.9% | +$34.4K |
|
541
iShares US Aerospace & Defense ETF
ITA
$14.7B
| $4.26M | 0.01% |
22,597
+3,584
| +19% | +$595K |
|
542
Information Services Group
III
$251M
| $4.21M | 0.01% |
876,300
-4,994
| -0.6% | -$21.5K |
|
543
Hamilton Lane
HLNE
$5.57B
| $4.16M | 0.01% |
29,294
-1,280
| -4% | -$193K |
|
544
Dow Inc
DOW
$21.2B
| $4.16M | 0.01% |
157,036
-1,902
| -1% | -$55.3K |
|
|
WAY
545
Waystar Holding Corp
WAY
$4.65B
| $4.15M | 0.01% |
101,642
+40,125
| +65% | +$1.55M |
|
546
Vanguard Total World Stock ETF
VT
$79.8B
| $4.14M | 0.01% |
32,232
+11,206
| +53% | +$1.34M |
|
547
AutoZone
AZO
$51.1B
| $4.1M | 0.01% |
1,105
-11
| -1% | -$40.5K |
|
548
Unifirst Corp
UNF
$5.25B
| $4.07M | 0.01% |
21,642
| – | – |
|
549
Vanguard Health Care ETF
VHT
$18.6B
| $4.05M | 0.01% |
16,315
-1,157
| -7% | -$286K |
|
550
Invesco Preferred ETF
PGX
$3.79B
| $4.05M | 0.01% |
363,558
-21,000
| -5% | -$231K |
|
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.