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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 | |
|---|---|---|---|---|---|---|
326
BILL Holdings
BILL
$4.85B
| $10.8M | 0.03% |
128,018
+20,769
| +19% | +$1.55M |
|
327
Target
TGT
$69.9B
| $10.7M | 0.03% |
79,480
-13,378
| -14% | -$1.92M |
|
|
328
Vertex Pharmaceuticals
VRTX
$133B
| $10.7M | 0.03% |
26,644
-64,672
| -71% | -$30M |
|
329
Citigroup
C
$231B
| $10.7M | 0.03% |
152,143
-545
| -0.4% | -$36.7K |
|
330
VanEck Gold Miners ETF
GDX
$27.8B
| $10.7M | 0.03% |
315,654
-4,726
| -1% | -$181K |
|
331
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.1B
| $10.7M | 0.03% |
53,915
+2,287
| +4% | +$469K |
|
332
3M
MMM
$94.8B
| $10.7M | 0.03% |
82,619
-2,869
| -3% | -$376K |
|
333
Cheniere Energy
LNG
$55.4B
| $10.6M | 0.03% |
49,426
+613
| +1% | +$124K |
|
334
QuinStreet
QNST
$1.19B
| $10.4M | 0.03% |
449,899
-192,239
| -30% | -$4.05M |
|
335
Carrier Global
CARR
$52B
| $10.3M | 0.03% |
151,516
-8,169
| -5% | -$616K |
|
336
Norfolk Southern
NSC
$75.3B
| $10.2M | 0.03% |
43,435
-1,211
| -3% | -$308K |
|
|
HOLX
337
DELISTED
Hologic
HOLX
| $10.2M | 0.03% |
141,287
-106,111
| -43% | -$8.29M |
|
338
Omnicom Group
OMC
$23.5B
| $10.2M | 0.03% |
118,298
-5,013
| -4% | -$497K |
|
339
Energy Transfer Partners
ET
$72.1B
| $10.1M | 0.03% |
515,292
+39,816
| +8% | +$705K |
|
340
Duke Energy
DUK
$96.3B
| $10.1M | 0.03% |
93,534
-173
| -0.2% | -$19.6K |
|
341
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
| $10.1M | 0.03% |
146,350
+8,565
| +6% | +$576K |
|
342
State Street SPDR S&P Dividend ETF
SDY
$22.1B
| $10M | 0.03% |
76,005
+1,165
| +2% | +$163K |
|
343
First Trust Value Line Dividend Fund
FVD
$8.36B
| $9.87M | 0.03% |
226,250
-300
| -0.1% | -$13.6K |
|
344
Marriott International
MAR
$92.5B
| $9.85M | 0.03% |
35,319
+198
| +0.6% | +$54.4K |
|
345
SharkNinja
SN
$26.2B
| $9.81M | 0.03% |
100,778
-11,269
| -10% | -$1.15M |
|
346
PNC Financial Services
PNC
$102B
| $9.8M | 0.03% |
50,817
+4,542
| +10% | +$893K |
|
347
Kroger
KR
$34.3B
| $9.75M | 0.03% |
159,412
+988
| +0.6% | +$58K |
|
348
Constellation Energy
CEG
$98.7B
| $9.6M | 0.03% |
42,896
+4,012
| +10% | +$1M |
|
349
Altria Group
MO
$107B
| $9.59M | 0.03% |
183,443
-2,671
| -1% | -$142K |
|
350
FTAI Aviation
FTAI
$23.3B
| $9.56M | 0.03% |
66,391
+49,159
| +285% | +$7.25M |
|
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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.