Rambus
RMBS
336 hedge funds and large institutions have $4.81B invested in Rambus in 2023 Q1 according to their latest regulatory filings, with 72 funds opening new positions, 91 increasing their positions, 135 reducing their positions, and 36 closing their positions.
326% more call options, than puts
Call options by funds: $90.8M | Put options by funds: $21.3M
200% more funds holding in top 10
Funds holding in top 10: 2 → 6 (+4)
100% more first-time investments, than exits
New positions opened: 72 | Existing positions closed: 36
53% more capital invested
Capital invested by funds: $3.14B → $4.81B (+$1.67B)
11% more funds holding
Funds holding: 302 → 336 (+34)
4.91% more ownership
Funds ownership: 81.96% → 86.86% (+4.9%)
33% less repeat investments, than reductions
Existing positions increased: 91 | Existing positions reduced: 135
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$143M |
| 2 |
WRCM
Whale Rock Capital Management
Boston,
Massachusetts
|
+$32.8M |
| 3 |
JMPWA
JP Morgan Private Wealth Advisors
San Francisco,
California
|
+$31.7M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$30.5M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$16.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Neuberger Berman Group
New York
|
-$45.6M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$28M |
| 3 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
-$20.4M |
| 4 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
-$20.2M |
| 5 |
WHG
Westwood Holdings Group
Dallas,
Texas
|
-$18.5M |
RMBS Hedge Fund Activity: Q1 2023 in Review
336 of the 6,283 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q1 2023, worth a combined $4.81B — up 53% from $3.14B a quarter earlier.
Buyers outnumbered sellers: 72 funds opened new RMBS positions and 36 closed out — a net gain of 36 holders — while 91 added to existing stakes and 135 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $143M. The largest seller was Neuberger Berman Group, cutting an estimated $45.6M.
- 336 institutional investors held Rambus (RMBS) as of Q1 2023, up from 302 in Q4 2022.
- Funds reported $4.81B of Rambus stock for Q1 2023, up 53% quarter-over-quarter.
- 72 funds opened new Rambus positions in Q1 2023 and 36 closed out, a net change of +36 holders.
- The largest Rambus buyer in Q1 2023 was JP Morgan Chase, an estimated $143M added.
- The largest Rambus seller in Q1 2023 was Neuberger Berman Group, an estimated $45.6M sold.
Based on aggregated 13F filings for Q1 2023.