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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 | |
|---|---|---|---|---|---|---|
976
Bentley Systems
BSY
$11B
| $713K | ﹤0.01% |
18,129
+1,005
| +6% | +$44.9K |
|
977
AutoNation
AN
$6.89B
| $712K | ﹤0.01% |
4,399
-28
| -0.6% | -$5K |
|
978
Dime Commercial Bancshares
DCOM
$1.82B
| $706K | ﹤0.01% |
25,324
| – | – |
|
979
Clearway Energy Class C
CWEN
$7.02B
| $706K | ﹤0.01% |
+23,310
| New | +$634K |
|
980
ProShares Ultra S&P500
SSO
$8.51B
| $704K | ﹤0.01% |
17,014
+944
| +6% | +$43.5K |
|
981
ImmunityBio
IBRX
$8.11B
| $703K | ﹤0.01% |
233,500
| – | – |
|
|
RDFN
982
DELISTED
Redfin
RDFN
| $703K | ﹤0.01% |
76,288
-4,318
| -5% | -$36.9K |
|
983
WisdomTree US SmallCap Earnings Fund
EES
$736M
| $701K | ﹤0.01% |
14,359
-4,958
| -26% | -$261K |
|
984
iShares MSCI Global Min Vol Factor ETF
ACWV
$3.38B
| $698K | ﹤0.01% |
6,001
-1,898
| -24% | -$214K |
|
985
Innovator Growth-100 Power Buffer ETF January
NJAN
$356M
| $696K | ﹤0.01% |
15,017
+9,336
| +164% | +$449K |
|
986
Alarm.com
ALRM
$2.74B
| $694K | ﹤0.01% |
12,472
-450
| -3% | -$27K |
|
987
NextNav
NN
$3.29B
| $694K | ﹤0.01% |
57,000
| – | – |
|
988
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
| $692K | ﹤0.01% |
17,511
+630
| +4% | +$26.1K |
|
989
PENN Entertainment
PENN
$2.53B
| $689K | ﹤0.01% |
42,229
-453
| -1% | -$8.85K |
|
990
Neurocrine Biosciences
NBIX
$15.3B
| $687K | ﹤0.01% |
6,214
-242
| -4% | -$30.7K |
|
|
BELFB
991
Bel Fuse Inc Class B
BELFB
$4.13B
| $685K | ﹤0.01% |
9,150
| – | – |
|
992
MaxCyte
MXCT
$149M
| $685K | ﹤0.01% |
250,789
-32,070
| -11% | -$126K |
|
993
Diamondback Energy
FANG
$55.9B
| $684K | ﹤0.01% |
4,280
+382
| +10% | +$61.6K |
|
994
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.14B
| $683K | ﹤0.01% |
14,126
-535
| -4% | -$25.7K |
|
995
JB Hunt Transport Services
JBHT
$26.5B
| $681K | ﹤0.01% |
4,601
-750
| -14% | -$123K |
|
996
Stanley Black & Decker
SWK
$15.4B
| $677K | ﹤0.01% |
8,801
-1,219
| -12% | -$103K |
|
997
GSK
GSK
$101B
| $676K | ﹤0.01% |
17,440
-3,291
| -16% | -$120K |
|
998
Hims & Hers Health
HIMS
$6.71B
| $673K | ﹤0.01% |
22,760
+789
| +4% | +$29.3K |
|
999
iShares Expanded Tech-Software Sector ETF
IGV
$15.2B
| $672K | ﹤0.01% |
7,548
-1,716
| -19% | -$169K |
|
1000
Lennar Class B
LEN.B
$20.7B
| $670K | ﹤0.01% |
6,144
-296
| -5% | -$35.3K |
|
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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.