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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 | |
|---|---|---|---|---|---|---|
201
T. Rowe Price
TROW
$23.8B
| $24.9M | 0.07% |
219,998
+25,640
| +13% | +$2.97M |
|
202
Colgate-Palmolive
CL
$73.6B
| $24.5M | 0.07% |
269,607
-6,822
| -2% | -$651K |
|
203
Innovator US Equity Power Buffer ETF December
PDEC
$997M
| $24.4M | 0.07% |
634,747
+256,049
| +68% | +$9.89M |
|
204
Fortive
FTV
$18.6B
| $24.3M | 0.07% |
429,920
-45,492
| -10% | -$2.61M |
|
205
United Parcel Service
UPS
$88.4B
| $24.3M | 0.07% |
192,681
-12,518
| -6% | -$1.65M |
|
206
Alerian MLP ETF
AMLP
$13.2B
| $24.3M | 0.07% |
504,193
+10,879
| +2% | +$523K |
|
207
Twilio
TWLO
$37.9B
| $24.2M | 0.07% |
224,073
+142,253
| +174% | +$13M |
|
208
State Street Financial Select Sector SPDR ETF
XLF
$59.1B
| $24.2M | 0.07% |
499,760
+20,596
| +4% | +$996K |
|
209
Vanguard Information Technology ETF
VGT
$149B
| $23.5M | 0.07% |
302,680
+9,000
| +3% | +$691K |
|
210
Equinix
EQIX
$105B
| $23.3M | 0.07% |
24,715
-2,277
| -8% | -$2.1M |
|
211
Philip Morris
PM
$290B
| $23.3M | 0.07% |
193,574
-2,336
| -1% | -$295K |
|
212
Paychex
PAYX
$42.8B
| $22.6M | 0.07% |
161,470
-13,164
| -8% | -$1.87M |
|
213
Paylocity
PCTY
$7.73B
| $21.8M | 0.06% |
109,434
-6,815
| -6% | -$1.3M |
|
214
WEX
WEX
$6.48B
| $21.8M | 0.06% |
124,141
-4,999
| -4% | -$937K |
|
215
Moody's
MCO
$82.8B
| $21.3M | 0.06% |
45,070
-1,867
| -4% | -$891K |
|
216
Waste Management
WM
$90.5B
| $21M | 0.06% |
103,824
+42,684
| +70% | +$9.17M |
|
217
BOK Financial
BOKF
$8.8B
| $20.8M | 0.06% |
195,170
| – | – |
|
218
First Trust Rising Dividend Achievers ETF
RDVY
$25.7B
| $20.7M | 0.06% |
349,272
-497
| -0.1% | -$30.3K |
|
219
Vanguard Morningstar Mid-Cap Value ETF
VOE
$24.4B
| $20.6M | 0.06% |
127,059
-86
| -0.1% | -$14.5K |
|
220
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
| $20.5M | 0.06% |
48,256
+2,711
| +6% | +$1.17M |
|
221
Gartner
IT
$11.3B
| $20.4M | 0.06% |
42,186
+1,726
| +4% | +$890K |
|
222
Fortinet
FTNT
$118B
| $20.1M | 0.06% |
213,270
-10,764
| -5% | -$957K |
|
223
Airbnb
ABNB
$108B
| $20M | 0.06% |
151,895
-19,749
| -12% | -$2.66M |
|
224
Morgan Stanley
MS
$342B
| $19.8M | 0.06% |
157,512
-1,852
| -1% | -$228K |
|
225
Wells Fargo
WFC
$269B
| $19.8M | 0.06% |
281,201
+42,130
| +18% | +$2.88M |
|
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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.