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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 | |
|---|---|---|---|---|---|---|
|
FLIC
951
DELISTED
First of Long Island Corp
FLIC
| $800K | ﹤0.01% |
64,809
| – | – |
|
952
Sun Communities
SUI
$14.6B
| $796K | ﹤0.01% |
6,186
-20
| -0.3% | -$2.56K |
|
953
Hewlett Packard
HPE
$79.2B
| $791K | ﹤0.01% |
51,254
-17,843
| -26% | -$355K |
|
954
Western Digital
WDC
$168B
| $789K | ﹤0.01% |
19,523
-5,778
| -23% | -$274K |
|
|
K
955
DELISTED
Kellanova
K
| $787K | ﹤0.01% |
9,546
-6,480
| -40% | -$532K |
|
956
Graphic Packaging
GPK
$3.51B
| $785K | ﹤0.01% |
30,229
+1,200
| +4% | +$32.1K |
|
957
iShares ESG MSCI USA Leaders ETF
SUSL
$1.22B
| $778K | ﹤0.01% |
8,121
+14
| +0.2% | +$1.43K |
|
958
Cognizant
CTSH
$26.7B
| $777K | ﹤0.01% |
10,162
+326
| +3% | +$26.5K |
|
959
State Street SPDR S&P International Small Cap ETF
GWX
$928M
| $766K | ﹤0.01% |
23,970
-1,959
| -8% | -$62.8K |
|
960
Sprott Physical Silver Trust
PSLV
$13.3B
| $765K | ﹤0.01% |
65,991
+1,350
| +2% | +$14.6K |
|
|
LGF.B
961
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
| $760K | ﹤0.01% |
95,900
| – | – |
|
962
Uranium Energy
UEC
$5.54B
| $758K | ﹤0.01% |
158,500
| – | – |
|
963
Oshkosh
OSK
$9.41B
| $750K | ﹤0.01% |
7,974
-3,980
| -33% | -$398K |
|
|
CTRA
964
DELISTED
Coterra Energy
CTRA
| $747K | ﹤0.01% |
25,860
-4,627
| -15% | -$129K |
|
965
Spotify
SPOT
$102B
| $744K | ﹤0.01% |
1,352
+60
| +5% | +$33.5K |
|
966
Rocket Pharmaceuticals
RCKT
$367M
| $744K | ﹤0.01% |
111,475
-4,563
| -4% | -$45.1K |
|
967
Carpenter Technology
CRS
$26.6B
| $743K | ﹤0.01% |
4,100
+300
| +8% | +$57.8K |
|
968
IDEX
IEX
$17.6B
| $740K | ﹤0.01% |
4,091
+529
| +15% | +$105K |
|
969
Inspire Medical Systems
INSP
$1.68B
| $738K | ﹤0.01% |
4,631
-185
| -4% | -$33.5K |
|
970
Commault Systems
CVLT
$6.26B
| $730K | ﹤0.01% |
4,625
+2,600
| +128% | +$428K |
|
971
Popular Inc
BPOP
$11.3B
| $725K | ﹤0.01% |
7,850
| – | – |
|
972
Similarweb
SMWB
$789M
| $723K | ﹤0.01% |
87,395
-10,458
| -11% | -$129K |
|
973
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
| $723K | ﹤0.01% |
6,118
+986
| +19% | +$115K |
|
974
SoFi Technologies
SOFI
$23.8B
| $718K | ﹤0.01% |
61,726
+36,496
| +145% | +$526K |
|
975
Loews
L
$23B
| $717K | ﹤0.01% |
7,801
-386
| -5% | -$33K |
|
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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.