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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
+3.1%
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
$34.4B
AUM Growth
+$328M
(+0.96%)
Cap. Flow
-$18.6M
Cap. Flow
% of AUM
-0.05%
Top 10 Holdings %
Top 10 Hldgs %
25.12%
Holding
1,903
New
83
Increased
650
Reduced
792
Closed
87
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
XYZ
Block Inc
XYZ
|
+$80.6M |
| 2 |
Blackrock
BLK
|
+$53.4M |
| 3 |
CWAN
Clearwater Analytics
CWAN
|
+$48.5M |
| 4 |
NVIDIA
NVDA
|
+$47.9M |
| 5 |
BWX Technologies
BWXT
|
+$47M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
DexCom
DXCM
|
+$37.7M |
| 2 |
CoStar Group
CSGP
|
+$34.5M |
| 3 |
Vertex Pharmaceuticals
VRTX
|
+$30M |
| 4 |
Booz Allen Hamilton
BAH
|
+$29.1M |
| 5 |
Idexx Laboratories
IDXX
|
+$26.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 28.35% |
| 2 | Financials | 13.43% |
| 3 | Healthcare | 12.44% |
| 4 | Industrials | 11.81% |
| 5 | Consumer Discretionary | 8.44% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
HES
951
DELISTED
Hess
HES
| $839K | ﹤0.01% |
6,306
+7
| +0.1% | +$978 |
|
952
iShares ESG MSCI USA Leaders ETF
SUSL
$1.22B
| $835K | ﹤0.01% |
8,107
-33
| -0.4% | -$3.44K |
|
953
InterDigital
IDCC
$8.88B
| $830K | ﹤0.01% |
4,287
| – | – |
|
954
Leonardo DRS
DRS
$11.9B
| $822K | ﹤0.01% |
25,450
-400
| -2% | -$13K |
|
955
Hartford Financial Services
HIG
$37.8B
| $817K | ﹤0.01% |
7,468
+46
| +0.6% | +$5.33K |
|
956
First Trust Large Cap Value AlphaDEX Fund
FTA
$1.44B
| $813K | ﹤0.01% |
10,632
-2,600
| -20% | -$207K |
|
957
International Flavors & Fragrances
IFF
$21.4B
| $811K | ﹤0.01% |
9,591
+1,739
| +22% | +$163K |
|
958
Lennar Class B
LEN.B
$20.7B
| $809K | ﹤0.01% |
6,440
+15
| +0.2% | +$2.26K |
|
959
XPO
XPO
$24.7B
| $808K | ﹤0.01% |
6,161
-21
| -0.3% | -$2.84K |
|
960
MeiraGTx Holdings
MGTX
$1.17B
| $807K | ﹤0.01% |
132,533
+400
| +0.3% | +$2.34K |
|
961
Stanley Black & Decker
SWK
$15.4B
| $804K | ﹤0.01% |
10,020
+716
| +8% | +$66.4K |
|
962
State Street SPDR S&P International Small Cap ETF
GWX
$928M
| $803K | ﹤0.01% |
25,929
| – | – |
|
963
Old National Bancorp
ONB
$10.4B
| $803K | ﹤0.01% |
37,008
-169
| -0.5% | -$3.52K |
|
964
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.46B
| $801K | ﹤0.01% |
19,357
+13
| +0.1% | +$544 |
|
965
iShares MSCI Emerging Markets Asia ETF
EEMA
$871M
| $800K | ﹤0.01% |
11,166
-15
| -0.1% | -$1.14K |
|
966
Bentley Systems
BSY
$11B
| $800K | ﹤0.01% |
17,124
-6,877
| -29% | -$335K |
|
967
Pinterest
PINS
$13.2B
| $799K | ﹤0.01% |
+27,551
| New | +$866K |
|
968
VanEck Pharmaceutical ETF
PPH
$991M
| $796K | ﹤0.01% |
9,231
+106
| +1% | +$9.59K |
|
|
NNE
969
Nano Nuclear Energy
NNE
$1.1B
| $793K | ﹤0.01% |
+31,860
| New | +$723K |
|
|
JBGS
970
JBG SMITH
JBGS
$692M
| $792K | ﹤0.01% |
51,500
| – | – |
|
971
Masco
MAS
$14.7B
| $791K | ﹤0.01% |
10,906
+1,174
| +12% | +$93.9K |
|
972
Graphic Packaging
GPK
$3.51B
| $788K | ﹤0.01% |
29,029
-1,400
| -5% | -$40.5K |
|
973
Bank of Montreal
BMO
$129B
| $787K | ﹤0.01% |
8,105
+19
| +0.2% | +$1.8K |
|
974
Alarm.com
ALRM
$2.74B
| $786K | ﹤0.01% |
12,922
-1,375
| -10% | -$81.9K |
|
|
CTRA
975
DELISTED
Coterra Energy
CTRA
| $779K | ﹤0.01% |
30,487
+1,187
| +4% | +$29.5K |
|
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William Blair & Company's Q4 2024 Portfolio in Review
As of Q4 2024, William Blair & Company held 1,903 positions worth $34.4B, up 0.96% from $34.1B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
William Blair & Company's Q4 2024 filing shows 83 new, 650 increased, 792 reduced and 87 closed positions. Its largest new stake was Blackrock: 52,623 shares worth $53.9M. The largest sale was DexCom, an estimated $37.7M.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 27% a quarter earlier, followed by Financials and Healthcare.
- William Blair & Company's largest Q4 2024 buy was Blackrock: 52,623 shares worth $53.9M.
- William Blair & Company added most to Block Inc in Q4 2024, an estimated $80.6M increase.
- William Blair & Company's biggest Q4 2024 reduction was DexCom, cutting an estimated $37.7M.
- William Blair & Company fully exited Rush Street Interactive in Q4 2024, selling an estimated $5.79M.
- William Blair & Company's ten largest holdings make up 25% of its $34.4B portfolio in Q4 2024.
- William Blair & Company opened 83 new positions and closed 87 in Q4 2024.
- William Blair & Company's portfolio value rose 0.96% quarter-over-quarter to $34.4B.
Based on William Blair & Company's 13F filing for Q4 2024, filed 12 Feb 2025.