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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 | |
|---|---|---|---|---|---|---|
|
SCHW
76
Charles Schwab
SCHW
$190B
| $106M | 0.31% |
1,430,811
-122,166
| -8% | -$9.14M |
|
77
Oracle
ORCL
$440B
| $104M | 0.3% |
621,859
+68,804
| +12% | +$12.2M |
|
78
ExxonMobil
XOM
$657B
| $103M | 0.3% |
957,774
-325
| -0% | -$38K |
|
79
S&P Global
SPGI
$121B
| $103M | 0.3% |
206,489
+10,229
| +5% | +$5.19M |
|
80
Linde
LIN
$222B
| $102M | 0.3% |
243,274
-15,036
| -6% | -$6.85M |
|
81
IBM
IBM
$222B
| $102M | 0.3% |
462,753
+2,129
| +0.5% | +$474K |
|
82
Rollins
ROL
$17.6B
| $101M | 0.29% |
2,176,043
+117,013
| +6% | +$5.73M |
|
83
Merck
MRK
$329B
| $100M | 0.29% |
1,008,963
+6,634
| +0.7% | +$684K |
|
84
iShares Core S&P US Value ETF
IUSV
$27.8B
| $100M | 0.29% |
1,079,686
-79,074
| -7% | -$7.61M |
|
85
McDonald's
MCD
$195B
| $99.6M | 0.29% |
343,731
+8,437
| +3% | +$2.52M |
|
86
Coca-Cola
KO
$373B
| $97.5M | 0.28% |
1,566,028
-73,790
| -4% | -$4.82M |
|
87
Live Nation Entertainment
LYV
$43.1B
| $95.9M | 0.28% |
740,429
-65,686
| -8% | -$8.27M |
|
88
Chevron
CVX
$386B
| $94.4M | 0.27% |
651,414
-13,525
| -2% | -$2.07M |
|
89
Motorola Solutions
MSI
$77.7B
| $94.1M | 0.27% |
203,478
+7,701
| +4% | +$3.65M |
|
90
Arista Networks
ANET
$264B
| $92.5M | 0.27% |
837,152
-15,496
| -2% | -$1.59M |
|
91
Goldman Sachs
GS
$301B
| $89.3M | 0.26% |
155,915
+12,091
| +8% | +$6.74M |
|
92
Rockwell Automation
ROK
$50.1B
| $88.9M | 0.26% |
310,926
-9,116
| -3% | -$2.56M |
|
93
O'Reilly Automotive
ORLY
$74.5B
| $87.7M | 0.26% |
1,109,265
+6,120
| +0.6% | +$493K |
|
94
iShares Russell 1000 Growth ETF
IWF
$128B
| $87M | 0.25% |
866,420
+60,256
| +7% | +$5.93M |
|
95
MongoDB
MDB
$35.2B
| $86.2M | 0.25% |
370,457
+72,648
| +24% | +$20.5M |
|
96
PepsiCo
PEP
$189B
| $84.9M | 0.25% |
558,547
-33,833
| -6% | -$5.54M |
|
97
General Dynamics
GD
$107B
| $83.9M | 0.24% |
318,274
-33,283
| -9% | -$9.58M |
|
98
Allstate
ALL
$64.9B
| $80.5M | 0.23% |
417,448
-2,650
| -0.6% | -$514K |
|
99
Generac Holdings
GNRC
$13.1B
| $79.6M | 0.23% |
513,449
+16,432
| +3% | +$2.84M |
|
100
Lowe's Companies
LOW
$122B
| $79.2M | 0.23% |
320,775
-4,964
| -2% | -$1.33M |
|
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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.