Fund Overlap
See which holdings any two equity ETFs have in common, along with top differences in exposure.
For overlap across multiple ETFs use Portfolio Builder
OVERLAP
50%
OVERLAP
BY WEIGHT
17
# OF OVERLAPPING
HOLDINGS
NASA
35
HOLDINGS
52%
ALSO IN MARS
MARS
26
HOLDINGS
65%
ALSO IN NASA
SECTOR DRIFT (NASA minus MARS)
OVERLAPPING HOLDINGS
Top 5 only shown here. Please log-in or sign up for a Basic (Free) membership to view the complete list.
| Company | Weight in NASA |
Weight in MARS |
Overlap | |
|---|---|---|---|---|
 |
ROCKET LAB CORP | 10.1% | 10.1% | 10.1% |
|
SPACE EXPLORATION TECHNOLOGIES | 8.7% | 26.9% | 8.7% |
|
AST SPACEMOBILE, INC. CLASS A | 6.0% | 6.2% | 6.0% |
|
VIASAT INC | 5.3% | 4.9% | 4.9% |
|
FIREFLY AEROSPACE INC | 3.3% | 2.8% | 2.8% |
NASA Overweight Relative to MARS
 |
FILTRONIC PLC | 5.3% |
 |
5N PLUS INC | 3.2% |
|
LUMENTUM HOLDINGS INC | 2.4% |
 |
WIN SEMICONDUCTORS CORP | 1.6% |
 |
AIXTRON AG | 1.6% |
|
VISHAY PRECISION GROUP | 1.5% |
|
LIGHTPATH TECHNOLOGIES INC-A | 1.5% |
|
VOYAGER TECHNOLOGIES INC-A | 1.1% |
|
MDA SPACE LTD | 1.0% |
 |
STMICROELECTRONICS NV-NY SHS | 0.9% |
NASA Underweight Relative to MARS
|
SPACE EXPLORATION TECHNOLOGIES | -18.1% |
|
GLOBALSTAR INC | -5.2% |
|
IRIDIUM COMMUNICATIONS INC. | -3.5% |
 |
SKY PERFECT JSAT HOLDINGS | -2.7% |
|
PLANET LABS PBC CLASS A | -2.3% |
|
OHB SE | -2.2% |
 |
AVIO SPA | -2.0% |
 |
EUTELSAT COMMUNICATIONS | -1.9% |
 |
SES | -1.8% |
|
REDWIRE CORP | -1.2% |