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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 | |
|---|---|---|---|---|---|---|
501
Akamai
AKAM
$17.6B
| $4.83M | 0.01% |
50,497
-7,013
| -12% | -$688K |
|
502
Cencora
COR
$60B
| $4.81M | 0.01% |
21,430
-1,098
| -5% | -$258K |
|
503
Tactile Systems Technology
TCMD
$555M
| $4.81M | 0.01% |
280,791
-9,063
| -3% | -$146K |
|
504
Rocket Lab Corp
RKLB
$51.9B
| $4.78M | 0.01% |
187,703
-2,365
| -1% | -$41.5K |
|
505
Dick's Sporting Goods
DKS
$18.1B
| $4.78M | 0.01% |
20,868
+2,822
| +16% | +$592K |
|
506
Valero Energy
VLO
$95.1B
| $4.76M | 0.01% |
38,796
-766
| -2% | -$102K |
|
507
ICICI Bank
IBN
$107B
| $4.75M | 0.01% |
159,075
-508
| -0.3% | -$15.3K |
|
508
Williams-Sonoma
WSM
$28.9B
| $4.75M | 0.01% |
25,628
-8
| -0% | -$1.27K |
|
509
Yum! Brands
YUM
$41B
| $4.74M | 0.01% |
35,302
-1,252
| -3% | -$169K |
|
510
Vanguard Health Care ETF
VHT
$19B
| $4.72M | 0.01% |
18,594
+1,254
| +7% | +$338K |
|
511
iShares US Technology ETF
IYW
$25.4B
| $4.7M | 0.01% |
29,475
+2,258
| +8% | +$357K |
|
512
Agilent Technologies
A
$41.9B
| $4.65M | 0.01% |
34,607
+13,330
| +63% | +$1.83M |
|
513
iShares Semiconductor ETF
SOXX
$46.2B
| $4.64M | 0.01% |
21,554
+590
| +3% | +$132K |
|
514
Lam Research
LRCX
$408B
| $4.63M | 0.01% |
64,112
-5,208
| -8% | -$395K |
|
515
Corteva
CTVA
$50.4B
| $4.6M | 0.01% |
80,786
+47
| +0.1% | +$2.78K |
|
516
Axsome Therapeutics
AXSM
$11.2B
| $4.6M | 0.01% |
54,382
-788
| -1% | -$72.5K |
|
517
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.4B
| $4.59M | 0.01% |
40,928
+340
| +0.8% | +$36.4K |
|
518
Credit Acceptance
CACC
$5.99B
| $4.57M | 0.01% |
9,729
| – | – |
|
519
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.6B
| $4.55M | 0.01% |
80,696
+11,002
| +16% | +$618K |
|
520
Kraft Heinz
KHC
$29.1B
| $4.54M | 0.01% |
147,933
-88,289
| -37% | -$2.89M |
|
521
Fidelity National Financial
FNF
$12.8B
| $4.53M | 0.01% |
80,681
-1,677
| -2% | -$101K |
|
522
Digital Realty Trust
DLR
$72.9B
| $4.51M | 0.01% |
25,448
+1,090
| +4% | +$193K |
|
523
CRISPR Therapeutics
CRSP
$5.22B
| $4.5M | 0.01% |
114,400
-7,509
| -6% | -$355K |
|
524
Archer Daniels Midland
ADM
$38.4B
| $4.5M | 0.01% |
89,013
-14,445
| -14% | -$781K |
|
525
Colliers International
CIGI
$5.15B
| $4.46M | 0.01% |
32,784
-887
| -3% | -$131K |
|
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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.