Rambus
RMBS
219 hedge funds and large institutions have $2.3B invested in Rambus in 2021 Q2 according to their latest regulatory filings, with 37 funds opening new positions, 74 increasing their positions, 68 reducing their positions, and 31 closing their positions.
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
27% more call options, than puts
Call options by funds: $27M | Put options by funds: $21.3M
24% more capital invested
Capital invested by funds: $1.86B → $2.3B (+$440M)
19% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 31
3% more funds holding
Funds holding: 213 → 219 (+6)
9% more repeat investments, than reductions
Existing positions increased: 74 | Existing positions reduced: 68
0.6% more ownership
Funds ownership: 85.7% → 86.3% (+0.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LLL
Lynrock Lake LP
Rye Brook,
New York
|
+$22M |
| 2 |
SRFM
Shannon River Fund Management
New York
|
+$14.9M |
| 3 |
SHCM
Shelter Haven Capital Management
Summit,
New Jersey
|
+$12.1M |
| 4 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
+$10.2M |
| 5 |
Russell Investments Group
London,
United Kingdom
|
+$8.54M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$20.8M |
| 2 |
Renaissance Technologies
New York
|
-$11.2M |
| 3 |
BlackRock
New York
|
-$8.95M |
| 4 |
CM
Castleark Management
Chicago,
Illinois
|
-$6.18M |
| 5 |
Goldman Sachs
New York
|
-$5.97M |
RMBS Hedge Fund Activity: Q2 2021 in Review
219 of the 5,767 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q2 2021, worth a combined $2.3B — up 24% from $1.86B a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new RMBS positions and 31 closed out — a net gain of 6 holders — while 74 added to existing stakes and 68 trimmed.
The largest buyer was Lynrock Lake LP, adding an estimated $22M. The largest seller was Arrowstreet Capital, exiting entirely with an estimated $20.8M sold.
- 219 institutional investors held Rambus (RMBS) as of Q2 2021, up from 213 in Q1 2021.
- Funds reported $2.3B of Rambus stock for Q2 2021, up 24% quarter-over-quarter.
- 37 funds opened new Rambus positions in Q2 2021 and 31 closed out, a net change of +6 holders.
- The largest Rambus buyer in Q2 2021 was Lynrock Lake LP, an estimated $22M added.
- The largest Rambus seller in Q2 2021 was Arrowstreet Capital, an estimated $20.8M sold.
Based on aggregated 13F filings for Q2 2021.