1 tracked superinvestor hold Rambus Inc Del (RMBS), worth $23M combined, led by Stanley Druckenmiller. Smart money is accumulating RMBS as of the latest 13F filings.
Current price
$85.46
+13.3%
1Y
Rambus Inc. is a global provider of semiconductor solutions, operating across key regions including the United States, Taiwan, South Korea, Japan, Europe, Canada, Singapore, and China. Their product portfolio encompasses advanced DDR memory interface chips, such as DDR5, DDR4, and DDR3, which are supplied to module manufacturers and original equipment manufacturers (OEMs). Additionally, Rambus…
Market cap
$12.1B
P/E
53.56
Div yield
0.0%
Revenue YoY
27.1%
Analyst target
$162
Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.
Superinvestors holding
1
tracked 13F / N-PORT funds
Combined value
$23M
disclosed long exposure
Tier-1 conviction
1
concentrated holders
Net this quarter
+1
1 buying · 0 selling
Smart money is net accumulating RMBS: 1 funds added or opened versus 0 trimming. 1 opened a brand-new position.
Rambus Inc Del (RMBS) is held by 1 tracked funds worth $23M combined, 1 of them concentrated Tier-1 managers whose positions carry real conviction.
The largest position belongs to Stanley Druckenmiller at 0.4% of their book — no single tracked manager treats it as an outsized, top-weighted bet.
This quarter 1 fund opened a brand-new position (Stanley Druckenmiller), with 0 adding and 0 trimming — a net accumulation signal.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| New buy | 0.4% | $23M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
Which superinvestors own RMBS?
1 tracked funds hold Rambus Inc Del (RMBS), the largest being Stanley Druckenmiller (Duquesne Family Office) at 0.4% of its 13F portfolio. 1 of them are concentrated Tier-1 conviction managers.
Is smart money buying or selling RMBS?
In the most recent 13F quarter, 1 tracked fund added or opened RMBS and 0 trimmed it, including 1 brand-new position.
How much RMBS do tracked funds hold?
Combined disclosed long exposure to RMBS across tracked superinvestors is $23M as of the Jun 2026 filings.
One email when a tracked manager opens, adds to or files to sell a position — from Form 4, 13D and Form 144, not the 45-day-old 13F.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Jun 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.