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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
(-3.6%)
Cap. Flow
+$11.1M
Cap. Flow
% of AUM
0.03%
Top 10 Holdings %
Top 10 Hldgs %
23.77%
Holding
1,895
New
82
Increased
626
Reduced
808
Closed
94
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$112M |
| 2 |
Aaon
AAON
|
+$104M |
| 3 |
GE Vernova
GEV
|
+$77.6M |
| 4 |
Qualcomm
QCOM
|
+$47M |
| 5 |
Waste Management
WM
|
+$44.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Intuit
INTU
|
+$65.9M |
| 2 |
Pool Corp
POOL
|
+$64.7M |
| 3 |
Danaher
DHR
|
+$59.8M |
| 4 |
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 | |
|---|---|---|---|---|---|---|
1326
Seagate
STX
$209B
| $241K | ﹤0.01% |
2,835
+157
| +6% | +$14.8K |
|
1327
iShares ESG Aware USD Corporate Bond ETF
SUSC
$1.29B
| $240K | ﹤0.01% |
10,427
+22
| +0.2% | +$503 |
|
1328
Vodafone
VOD
$37.5B
| $240K | ﹤0.01% |
25,602
-23,162
| -47% | -$203K |
|
1329
CareTrust REIT
CTRE
$9.18B
| $238K | ﹤0.01% |
8,344
+1
| +0% | +$27 |
|
1330
KB Home
KBH
$3.45B
| $238K | ﹤0.01% |
4,100
| – | – |
|
1331
Reddit
RDDT
$30.4B
| $238K | ﹤0.01% |
+2,268
| New | +$375K |
|
1332
Arrow Electronics
ARW
$10.6B
| $238K | ﹤0.01% |
2,290
-761
| -25% | -$83.9K |
|
1333
AST SpaceMobile
ASTS
$21.4B
| $237K | ﹤0.01% |
+10,427
| New | +$267K |
|
1334
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.4B
| $237K | ﹤0.01% |
4,633
-606
| -12% | -$30.7K |
|
1335
LKQ Corp
LKQ
$6.38B
| $236K | ﹤0.01% |
+5,553
| New | +$220K |
|
1336
Butterfly Network
BFLY
$2.36B
| $236K | ﹤0.01% |
103,500
+30,000
| +41% | +$107K |
|
1337
Innovator US Equity Accelerated 9 Buffer ETF April
XBAP
$133M
| $236K | ﹤0.01% |
6,757
-1,825
| -21% | -$62.9K |
|
|
WCLD
1338
WisdomTree Cloud Computing Fund
WCLD
$319M
| $235K | ﹤0.01% |
7,245
-3,980
| -35% | -$148K |
|
1339
Rambus
RMBS
$10.8B
| $235K | ﹤0.01% |
+4,540
| New | +$267K |
|
1340
GameStop
GME
$8.33B
| $235K | ﹤0.01% |
10,529
-1,047
| -9% | -$27.4K |
|
1341
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.18B
| $235K | ﹤0.01% |
5,204
-15
| -0.3% | -$684 |
|
1342
Ball Corp
BALL
$16.4B
| $234K | ﹤0.01% |
4,495
-2,622
| -37% | -$138K |
|
1343
Synchrony
SYF
$26.1B
| $234K | ﹤0.01% |
4,419
-342
| -7% | -$21.1K |
|
1344
Gen Digital
GEN
$17.7B
| $233K | ﹤0.01% |
8,796
+1,201
| +16% | +$32.9K |
|
1345
iShares Convertible Bond ETF
ICVT
$7.64B
| $233K | ﹤0.01% |
2,788
-289
| -9% | -$24.9K |
|
1346
Backblaze
BLZE
$1.26B
| $233K | ﹤0.01% |
48,194
+17,500
| +57% | +$108K |
|
1347
VeriSign
VRSN
$26B
| $232K | ﹤0.01% |
+914
| New | +$208K |
|
1348
D-Wave Quantum Inc. Common Stock
QBTS
$7.78B
| $231K | ﹤0.01% |
30,438
+2,503
| +9% | +$16.8K |
|
1349
WisdomTree US AI Enhanced Value Fund
AIVL
$438M
| $231K | ﹤0.01% |
2,103
-95
| -4% | -$10.4K |
|
1350
iShares US Energy ETF
IYE
$1.8B
| $231K | ﹤0.01% |
4,677
-329
| -7% | -$15.7K |
|
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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.