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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 | |
|---|---|---|---|---|---|---|
1226
BlackRock Flexible Income ETF
BINC
$16.3B
| $350K | ﹤0.01% |
+6,724
| New | +$354K |
|
1227
Genpact
G
$5.68B
| $348K | ﹤0.01% |
8,093
-4
| -0% | -$169 |
|
|
ARIS
1228
DELISTED
Aris Water Solutions
ARIS
| $347K | ﹤0.01% |
+14,500
| New | +$315K |
|
1229
Thomson Reuters
TRI
$44.5B
| $347K | ﹤0.01% |
2,131
-18
| -0.8% | -$3.03K |
|
1230
Schwab US TIPS ETF
SCHP
$16.2B
| $347K | ﹤0.01% |
13,434
-746
| -5% | -$19.6K |
|
1231
RingCentral
RNG
$5.38B
| $346K | ﹤0.01% |
9,874
-764
| -7% | -$27.4K |
|
1232
iShares Global 100 ETF
IOO
$9.45B
| $346K | ﹤0.01% |
3,429
+5
| +0.1% | +$502 |
|
1233
Lincoln National
LNC
$8.57B
| $345K | ﹤0.01% |
10,884
-93
| -0.8% | -$3.1K |
|
1234
Arrow Electronics
ARW
$10.7B
| $345K | ﹤0.01% |
3,051
-140
| -4% | -$17.3K |
|
1235
Ally Financial
ALLY
$13.5B
| $344K | ﹤0.01% |
9,553
-4,115
| -30% | -$149K |
|
1236
iShares US Home Construction ETF
ITB
$2.36B
| $342K | ﹤0.01% |
3,304
+222
| +7% | +$26.3K |
|
1237
Rayonier
RYN
$6.5B
| $340K | ﹤0.01% |
13,677
-696
| -5% | -$19.4K |
|
|
CMA
1238
DELISTED
Comerica
CMA
| $340K | ﹤0.01% |
5,502
-409
| -7% | -$26.6K |
|
1239
Bahl & Gaynor Small/Mid Cap Income Growth ETF
SMIG
$1.51B
| $339K | ﹤0.01% |
11,641
+5,935
| +104% | +$179K |
|
1240
Hormel Foods
HRL
$13.5B
| $338K | ﹤0.01% |
10,764
+2,281
| +27% | +$71.5K |
|
1241
Tapestry
TPR
$26.1B
| $337K | ﹤0.01% |
5,165
-825
| -14% | -$45K |
|
1242
Flowserve
FLS
$10.2B
| $337K | ﹤0.01% |
5,859
| – | – |
|
1243
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$794M
| $335K | ﹤0.01% |
11,420
| – | – |
|
1244
WisdomTree US MidCap Fund
EZM
$957M
| $334K | ﹤0.01% |
5,350
+4,585
| +599% | +$294K |
|
|
EXE
1245
Expand Energy Corp
EXE
$21.9B
| $334K | ﹤0.01% |
3,353
+704
| +27% | +$65K |
|
1246
Nice
NICE
$5.82B
| $332K | ﹤0.01% |
1,957
-4,273
| -69% | -$762K |
|
1247
Global X MLP & Energy Infrastructure ETF
MLPX
$3.57B
| $331K | ﹤0.01% |
5,465
+1,585
| +41% | +$94.3K |
|
1248
Crane Co
CR
$12.8B
| $330K | ﹤0.01% |
2,172
-69
| -3% | -$11.4K |
|
1249
iShares MSCI USA Equal Weighted ETF
EUSA
$1.95B
| $329K | ﹤0.01% |
3,449
| – | – |
|
|
ITIC
1250
Investors Title Co
ITIC
$526M
| $328K | ﹤0.01% |
1,384
| – | – |
|
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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.