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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 | |
|---|---|---|---|---|---|---|
751
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
| $1.76M | ﹤0.01% |
21,678
+529
| +3% | +$42.9K |
|
752
iShares Core MSCI Total International Stock ETF
IXUS
$60.1B
| $1.73M | ﹤0.01% |
22,401
-442
| -2% | -$32.3K |
|
753
Erie Indemnity
ERIE
$13.2B
| $1.73M | ﹤0.01% |
4,990
+797
| +19% | +$296K |
|
754
iShares MSCI Canada ETF
EWC
$6.33B
| $1.73M | ﹤0.01% |
37,361
| – | – |
|
755
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$3.06B
| $1.72M | ﹤0.01% |
196,975
-100
| -0.1% | -$828 |
|
756
MPLX
MPLX
$59.7B
| $1.72M | ﹤0.01% |
33,450
-37
| -0.1% | -$1.88K |
|
757
Public Service Enterprise Group
PEG
$37.7B
| $1.71M | ﹤0.01% |
20,323
-5,258
| -21% | -$424K |
|
758
CRISPR Therapeutics
CRSP
$5.17B
| $1.71M | ﹤0.01% |
35,130
-33,087
| -49% | -$1.28M |
|
759
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17B
| $1.7M | ﹤0.01% |
16,913
-539
| -3% | -$54.1K |
|
760
Vanguard Total International Stock ETF
VXUS
$160B
| $1.69M | ﹤0.01% |
24,523
+174
| +0.7% | +$11.3K |
|
761
United Airlines
UAL
$42.1B
| $1.69M | ﹤0.01% |
21,223
+2,967
| +16% | +$219K |
|
762
Pure Cycle
PCYO
$261M
| $1.68M | ﹤0.01% |
156,706
-5,121
| -3% | -$53.1K |
|
763
iShares ESG Aware MSCI USA ETF
ESGU
$18.4B
| $1.66M | ﹤0.01% |
12,266
+161
| +1% | +$20.1K |
|
764
Devon Energy
DVN
$47.3B
| $1.62M | ﹤0.01% |
50,947
-38,938
| -43% | -$1.24M |
|
765
eBay
EBAY
$49.8B
| $1.61M | ﹤0.01% |
21,638
-41
| -0.2% | -$2.91K |
|
766
Brookfield Asset Management
BAM
$83.8B
| $1.61M | ﹤0.01% |
29,095
+6,140
| +27% | +$330K |
|
767
Estee Lauder
EL
$32B
| $1.6M | ﹤0.01% |
19,817
+1,905
| +11% | +$123K |
|
768
Toll Brothers
TOL
$14.5B
| $1.6M | ﹤0.01% |
14,015
-2,090
| -13% | -$217K |
|
769
Darden Restaurants
DRI
$24.4B
| $1.59M | ﹤0.01% |
7,307
+30
| +0.4% | +$6.23K |
|
770
Vanguard Total Bond Market
BND
$158B
| $1.59M | ﹤0.01% |
21,597
-7,477
| -26% | -$544K |
|
771
Nutrien
NTR
$30.7B
| $1.58M | ﹤0.01% |
27,059
-781
| -3% | -$44.1K |
|
772
iShares US Financials ETF
IYF
$4.61B
| $1.57M | ﹤0.01% |
13,012
+1,610
| +14% | +$181K |
|
773
Celsius Holdings
CELH
$7.03B
| $1.56M | ﹤0.01% |
33,729
-2,030
| -6% | -$78.2K |
|
774
Gogo Inc
GOGO
$492M
| $1.56M | ﹤0.01% |
106,488
-109,581
| -51% | -$1.11M |
|
|
QXO
775
QXO Inc
QXO
$17.4B
| $1.55M | ﹤0.01% |
72,106
+52,124
| +261% | +$856K |
|
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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.