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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 | |
|---|---|---|---|---|---|---|
751
STAG Industrial
STAG
$7.12B
| $1.64M | ﹤0.01% |
48,529
-381
| -0.8% | -$13.9K |
|
752
Teradyne
TER
$64.3B
| $1.63M | ﹤0.01% |
12,960
-255
| -2% | -$30.2K |
|
753
Skyward Specialty Insurance
SKWD
$2.39B
| $1.63M | ﹤0.01% |
32,222
-2,484
| -7% | -$121K |
|
754
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17.1B
| $1.63M | ﹤0.01% |
16,227
+932
| +6% | +$93.7K |
|
|
EA
755
DELISTED
Electronic Arts
EA
| $1.63M | ﹤0.01% |
11,116
-338
| -3% | -$52K |
|
756
Manhattan Associates
MANH
$11.8B
| $1.63M | ﹤0.01% |
6,015
-3,013
| -33% | -$858K |
|
757
iShares MSCI Canada ETF
EWC
$6.54B
| $1.62M | ﹤0.01% |
40,307
+92
| +0.2% | +$3.83K |
|
758
StepStone Group
STEP
$4.22B
| $1.62M | ﹤0.01% |
27,979
+23,020
| +464% | +$1.43M |
|
|
STR
759
DELISTED
Sitio Royalties
STR
| $1.62M | ﹤0.01% |
84,364
-6,683
| -7% | -$149K |
|
760
Invesco S&P 500 Low Volatility ETF
SPLV
$7.22B
| $1.61M | ﹤0.01% |
23,068
+1,227
| +6% | +$88.5K |
|
761
Entergy
ETR
$49.8B
| $1.61M | ﹤0.01% |
21,297
+3,333
| +19% | +$241K |
|
762
Vanguard Russell 1000 Growth ETF
VONG
$46.2B
| $1.61M | ﹤0.01% |
15,607
-113
| -0.7% | -$11.4K |
|
|
WBA
763
DELISTED
Walgreens Boots Alliance
WBA
| $1.61M | ﹤0.01% |
172,705
-30,798
| -15% | -$286K |
|
764
Exelon
EXC
$46.9B
| $1.6M | ﹤0.01% |
42,568
+1,829
| +4% | +$71K |
|
765
Ferrari
RACE
$72.5B
| $1.6M | ﹤0.01% |
3,770
-88
| -2% | -$39.7K |
|
766
Waters Corp
WAT
$40.7B
| $1.59M | ﹤0.01% |
4,281
+226
| +6% | +$82.7K |
|
767
Vanguard Short-Term Treasury ETF
VGSH
$30.2B
| $1.58M | ﹤0.01% |
27,194
-512
| -2% | -$29.9K |
|
768
Goosehead Insurance
GSHD
$2.38B
| $1.56M | ﹤0.01% |
14,596
-4,147
| -22% | -$453K |
|
|
X
769
DELISTED
US Steel
X
| $1.56M | ﹤0.01% |
45,917
-375
| -0.8% | -$13.8K |
|
770
Cadence Design Systems
CDNS
$89.5B
| $1.56M | ﹤0.01% |
5,181
+636
| +14% | +$185K |
|
771
Baxter International
BAX
$14B
| $1.54M | ﹤0.01% |
52,660
-3,551
| -6% | -$120K |
|
772
iShares MSCI USA Momentum Factor ETF
MTUM
$26.1B
| $1.53M | ﹤0.01% |
7,414
-171
| -2% | -$35.8K |
|
773
Estee Lauder
EL
$31.7B
| $1.53M | ﹤0.01% |
20,384
-1,556
| -7% | -$123K |
|
774
iShares ESG Aware MSCI USA ETF
ESGU
$18.5B
| $1.53M | ﹤0.01% |
11,849
-249
| -2% | -$32.3K |
|
775
Trade Desk
TTD
$6.9B
| $1.52M | ﹤0.01% |
12,924
+4,448
| +52% | +$550K |
|
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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.