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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 | |
|---|---|---|---|---|---|---|
726
State Street SPDR S&P Metals & Mining ETF
XME
$4.48B
| $1.89M | 0.01% |
33,288
+233
| +0.7% | +$15K |
|
727
Ciena
CIEN
$63.9B
| $1.89M | 0.01% |
22,270
-3
| -0% | -$215 |
|
728
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.8B
| $1.88M | 0.01% |
23,863
-486
| -2% | -$39.5K |
|
729
SLB Ltd
SLB
$77.3B
| $1.86M | 0.01% |
48,442
-38,361
| -44% | -$1.61M |
|
730
WisdomTree US High Dividend Fund
DHS
$1.59B
| $1.85M | 0.01% |
19,780
-400
| -2% | -$38.5K |
|
731
JPMorgan BetaBuilders Japan ETF
BBJP
$19.2B
| $1.83M | 0.01% |
33,389
+511
| +2% | +$29.2K |
|
732
Dominion Energy
D
$60.3B
| $1.8M | 0.01% |
33,468
-1,522
| -4% | -$86.8K |
|
733
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
| $1.8M | 0.01% |
15,959
+100
| +0.6% | +$11.7K |
|
734
Eversource Energy
ES
$27.2B
| $1.79M | 0.01% |
31,130
-776
| -2% | -$48.4K |
|
735
Campbell Soup
CPB
$6.9B
| $1.78M | 0.01% |
42,473
-1,049
| -2% | -$47.4K |
|
736
Dimensional US Marketwide Value ETF
DFUV
$16B
| $1.77M | 0.01% |
43,283
+159
| +0.4% | +$6.75K |
|
|
B
737
Barrick Mining
B
$67.2B
| $1.76M | 0.01% |
113,806
-8,031
| -7% | -$146K |
|
738
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.35B
| $1.76M | 0.01% |
16,571
+13,310
| +408% | +$1.47M |
|
739
Vanguard Materials ETF
VAW
$3.05B
| $1.72M | 0.01% |
9,134
-180
| -2% | -$37K |
|
740
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.29B
| $1.7M | 0.01% |
39,689
-4,175
| -10% | -$190K |
|
741
Eagle Materials
EXP
$6.42B
| $1.7M | ﹤0.01% |
6,882
-2,410
| -26% | -$695K |
|
742
Erie Indemnity
ERIE
$13.4B
| $1.69M | ﹤0.01% |
4,103
+13
| +0.3% | +$5.82K |
|
743
HEICO Corp Class A
HEI.A
$38.1B
| $1.68M | ﹤0.01% |
9,053
-5
| -0.1% | -$1.01K |
|
744
DoubleVerify
DV
$2.04B
| $1.68M | ﹤0.01% |
87,675
-22,417
| -20% | -$422K |
|
745
United Airlines
UAL
$41.2B
| $1.68M | ﹤0.01% |
17,300
-2,848
| -14% | -$241K |
|
746
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$3.1B
| $1.67M | ﹤0.01% |
204,269
-3,000
| -1% | -$25.3K |
|
747
Innovator US Small Cap Power Buffer ETF January
KJAN
$328M
| $1.66M | ﹤0.01% |
44,553
| – | – |
|
748
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.43B
| $1.66M | ﹤0.01% |
12,275
+726
| +6% | +$103K |
|
749
iShares Floating Rate Bond ETF
FLOT
$10.5B
| $1.66M | ﹤0.01% |
32,583
+1,433
| +5% | +$73K |
|
750
eBay
EBAY
$46.2B
| $1.65M | ﹤0.01% |
26,554
-261
| -1% | -$16.6K |
|
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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.