Rambus
RMBS
RMBS
454 hedge funds and large institutions have $6.22B invested in Rambus in 2025 Q2 according to their latest regulatory filings, with 88 funds opening new positions, 190 increasing their positions, 128 reducing their positions, and 38 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
more funds holding
Funds holding: →
0.75% more ownership
Funds ownership: 89.69% → 90.44% (+0.75%)
46% less call options, than puts
Call options by funds: $35.8M | Put options by funds: $65.8M
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Holders
454
Holding in Top 10
1
Calls
$35.8M
Puts
$65.8M
Top Buyers
| 1 | +$104M | |
| 2 | +$48.9M | |
| 3 | +$45M | |
| 4 |
WHG
Westwood Holdings Group
Dallas,
Texas
|
+$32.3M |
| 5 |
AQR Capital Management
Greenwich,
Connecticut
|
+$29.6M |
Top Sellers
| 1 | -$260M | |
| 2 | -$141M | |
| 3 | -$89.1M | |
| 4 |
SG Americas Securities
New York
|
-$30.9M |
| 5 |
JPMorgan Chase & Co
New York
|
-$29.9M |