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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 | |
|---|---|---|---|---|---|---|
1101
Vontier
VNT
$4.47B
| $487K | ﹤0.01% |
13,365
-401
| -3% | -$14.8K |
|
|
FLG
1102
Flagstar Bank National Association
FLG
$5.92B
| $484K | ﹤0.01% |
51,920
-11,510
| -18% | -$126K |
|
1103
Agilon Health
AGL
$1.49B
| $484K | ﹤0.01% |
10,190
+616
| +6% | +$37.2K |
|
1104
Schwab US Mid-Cap ETF
SCHM
$15.3B
| $484K | ﹤0.01% |
17,467
+1,438
| +9% | +$41K |
|
1105
Corpay
CPAY
$27.9B
| $481K | ﹤0.01% |
1,422
-107
| -7% | -$37.6K |
|
1106
Atlas Energy Solutions
AESI
$1.47B
| $481K | ﹤0.01% |
21,700
+9,600
| +79% | +$207K |
|
1107
Innovator Growth-100 Power Buffer ETF July
NJUL
$262M
| $479K | ﹤0.01% |
7,628
-978
| -11% | -$60.7K |
|
1108
Henry Schein
HSIC
$10B
| $478K | ﹤0.01% |
6,906
+568
| +9% | +$40.8K |
|
1109
Albemarle
ALB
$15.4B
| $477K | ﹤0.01% |
5,545
-2,447
| -31% | -$244K |
|
1110
VanEck Agribusiness ETF
MOO
$972M
| $477K | ﹤0.01% |
7,393
+6,445
| +680% | +$457K |
|
1111
Lamb Weston
LW
$7.39B
| $476K | ﹤0.01% |
7,130
+219
| +3% | +$16.3K |
|
1112
Titan International
TWI
$438M
| $476K | ﹤0.01% |
70,100
| – | – |
|
1113
Innovator US Equity Buffer ETF May
BMAY
$237M
| $475K | ﹤0.01% |
11,792
| – | – |
|
1114
Everest Group
EG
$14B
| $471K | ﹤0.01% |
1,299
-3,325
| -72% | -$1.25M |
|
1115
Invesco NASDAQ Internet ETF
PNQI
$544M
| $469K | ﹤0.01% |
10,045
| – | – |
|
1116
National Grid
NGG
$81.6B
| $466K | ﹤0.01% |
8,196
-1,998
| -20% | -$120K |
|
1117
Stevanato
STVN
$5.88B
| $466K | ﹤0.01% |
+21,407
| New | +$429K |
|
1118
State Street SPDR S&P 400 Mid Cap Growth ETF
MDYG
$2.97B
| $465K | ﹤0.01% |
5,354
-185
| -3% | -$16.6K |
|
1119
Eton Pharmaceutcials
ETON
$1.12B
| $465K | ﹤0.01% |
34,900
+400
| +1% | +$4.06K |
|
1120
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7B
| $463K | ﹤0.01% |
12,732
-2,889
| -18% | -$114K |
|
1121
iShares Currency Hedged MSCI Emerging Markets
HEEM
$293M
| $462K | ﹤0.01% |
17,111
-1,898
| -10% | -$53.4K |
|
|
PPL
1122
PPL Corp
PPL
$26.8B
| $462K | ﹤0.01% |
14,226
-186
| -1% | -$6.13K |
|
1123
Wayfair
W
$13.9B
| $460K | ﹤0.01% |
10,375
+1,863
| +22% | +$87.9K |
|
1124
AerCap
AER
$23.5B
| $458K | ﹤0.01% |
4,789
-207
| -4% | -$19.9K |
|
1125
Coherent
COHR
$64B
| $458K | ﹤0.01% |
4,830
+1,670
| +53% | +$167K |
|
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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.