Rambus Inc
RMBS- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000917273
In the last 90 days, Rambus Inc insiders filed 0 open-market purchases and 2 sales; 620 institutions reported holding it in 13F filings for Q2 2026, worth $13.3B in total; superinvestors Duquesne Family Office and Maverick Capital hold it.
13F holders, Q1 2025
Institutional positions in Rambus Inc as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 413
- +24 vs. Q4 2024
- Shares held
- 96.7M
- +4.72M (+5.1%) vs. Q4 2024
- Total value
- $5.01B
- +$145.7M (+3.0%) vs. Q4 2024
- New holders
- 78
- 159 more added
- Sold out
- 54
- 131 more reduced
6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RMBS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 620 | $13.3B |
| Q1 2026 | 557 | $8.83B |
| Q4 2025 | 554 | $9.18B |
| Q3 2025 | 513 | $10.3B |
| Q2 2025 | 459 | $6.22B |
| Q1 2025 | 413 | $5.01B |
| Q4 2024 | 395 | $5.03B |
| Q3 2024 | 376 | $3.94B |
| Q2 2024 | 363 | $5.64B |
| Q1 2024 | 375 | $6.00B |
| Q4 2023 | 400 | $6.62B |
| Q3 2023 | 350 | $5.48B |
| Q2 2023 | 393 | $6.14B |
| Q1 2023 | 337 | $4.81B |
| Q4 2022 | 303 | $3.27B |
| Q3 2022 | 241 | $2.38B |
| Q2 2022 | 253 | $2.07B |
| Q1 2022 | 276 | $2.98B |
| Q4 2021 | 258 | $2.80B |
| Q3 2021 | 236 | $2.07B |
| Q2 2021 | 219 | $2.30B |
| Q1 2021 | 213 | $1.86B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avion Wealth | 17 | $0 | 0.00% | +17 | New |
| Bay Harbor Wealth Management, LLC | 1 | $51 | 0.00% | +1 | New |
| Pinpoint Asset Management Ltd | 1 | $52 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 1 | $52 | 0.00% | +1 | New |
| CIBC Private Wealth Group, LLC | 2 | $86 | 0.00% | +2 | New |
| Parkworth Wealth Management, Inc. | 2 | $104 | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 2 | $104 | 0.00% | +1+100.0% | Added |
| Highline Wealth Partners LLC | 3 | $155 | 0.00% | +3 | New |
| TD Capital Management LLC | 5 | $259 | 0.00% | +5 | New |
| SJS Investment Consulting Inc. | 8 | $415 | 0.00% | +3+60.0% | Added |
| DiNuzzo Private Wealth, Inc. | 9 | $466 | 0.00% | +4+80.0% | Added |
| Global Financial Private Client, LLC | 9 | $466 | 0.00% | +7+350.0% | Added |
| Prestige Wealth Management Group LLC | 10 | $518 | 0.00% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 10 | $518 | 0.00% | 00.0% | Unchanged |
| WealthTrak Capital Management LLC | 10 | $518 | 0.00% | +5+100.0% | Added |
| Financial Management Professionals, Inc. | 11 | $570 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 11 | $570 | 0.00% | +11 | New |
| Cornerstone Planning Group LLC | 13 | $597 | 0.00% | +7+116.7% | Added |
| CVA Family Office, LLC | 12 | $621 | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 12 | $622 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 14 | $725 | 0.00% | −661−97.9% | Reduced |
| Bare Financial Services, Inc | 14 | $725 | 0.00% | +14 | New |
| TD Private Client Wealth LLC | 16 | $828 | 0.00% | +16 | New |
| Hemington Wealth Management | 37 | $1.00K | 0.00% | +21+131.3% | Added |
| Creative Financial Designs Inc | 23 | $1.19K | 0.00% | −3−11.5% | Reduced |
| High Note Wealth, LLC | 28 | $1.45K | 0.00% | −7−20.0% | Reduced |
| Stephens Consulting, LLC | 30 | $1.55K | 0.00% | +30 | New |
| South State Corp. | 31 | $1.61K | 0.00% | +31 | New |
| Legacy Wealth Managment, LLC | 33 | $1.71K | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 35 | $1.81K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 50 | $2.00K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 43 | $2.00K | 0.00% | +43 | New |
| Parkside Financial Bank & Trust | 43 | $2.23K | 0.00% | +39+975.0% | Added |
| Wolff Wiese Magana LLC | 49 | $2.54K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 50 | $2.59K | 0.00% | +50 | New |
| NewSquare Capital LLC | 52 | $2.69K | 0.00% | +52 | New |
| Financial Network Wealth Advisors LLC | 52 | $2.69K | 0.00% | +52 | New |
| Atlantic Trust, LLC | 60 | $3.11K | 0.00% | +60 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 65 | $3.37K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 66 | $3.42K | 0.00% | +11+20.0% | Added |
| First Horizon Advisors, Inc. | 68 | $3.52K | 0.00% | +18+36.0% | Added |
| JFS Wealth Advisors, LLC | 69 | $3.57K | 0.00% | +11+19.0% | Added |
| GPS Wealth Strategies Group, LLC | 70 | $3.62K | 0.00% | +70 | New |
| Colonial Trust Co | 71 | $3.68K | 0.00% | +31+77.5% | Added |
| SRS Capital Advisors, Inc. | 72 | $3.73K | 0.00% | +72 | New |
| Sachetta, LLC | 76 | $3.94K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 80 | $4.14K | 0.00% | 00.0% | Unchanged |
| First Pacific Financial | 82 | $4.25K | 0.00% | +7+9.3% | Added |
| Farmers & Merchants Investments Inc | 82 | $4.25K | 0.00% | +37+82.2% | Added |
| Cape Investment Advisory, Inc. | 88 | $4.56K | 0.00% | −6−6.4% | Reduced |
| Private Wealth Management Group, LLC | 88 | $4.56K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 92 | $4.76K | 0.00% | +18+24.3% | Added |
| Leonteq Securities AG | 93 | $4.82K | 0.00% | −55−37.2% | Reduced |
| Geneos Wealth Management Inc. | 100 | $5.18K | 0.00% | 00.0% | Unchanged |
| Kestra Investment Management, LLC | 109 | $5.64K | 0.00% | +109 | New |
| Sterling Capital Management LLC | 112 | $5.80K | 0.00% | +2+1.8% | Added |
| Mather Group, LLC. | 113 | $5.85K | 0.00% | −33−22.6% | Reduced |
| Fairscale Capital, LLC | 132 | $6.83K | 0.01% | 00.0% | Unchanged |
| Key Financial Inc | 137 | $7.09K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 143 | $7.40K | 0.00% | +76+113.4% | Added |
| True Wealth Design, LLC | 160 | $8.28K | 0.00% | +21+15.1% | Added |
| Hughes Financial Services, LLC | 166 | $8.68K | 0.00% | +166 | New |
| Fairway Wealth LLC | 200 | $10.4K | 0.00% | +200 | New |
| Principal Securities, Inc. | 218 | $11.5K | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 223 | $11.5K | 0.01% | +223 | New |
| Rothschild Investment LLC | 230 | $11.9K | 0.00% | +80+53.3% | Added |
| Bessemer Group Inc | 225 | $12.0K | 0.00% | −2−0.9% | Reduced |
| Bayforest Capital Ltd | 256 | $13.3K | 0.01% | −444−63.4% | Reduced |
| Spire Wealth Management | 262 | $13.6K | 0.00% | +162+162.0% | Added |
| Aventura Private Wealth, LLC | 274 | $14.2K | 0.01% | 00.0% | Unchanged |
| Eq Wealth Advisors, LLC | 285 | $14.8K | 0.01% | +285 | New |
| Tradewinds Capital Management, LLC | 296 | $15.3K | 0.00% | 00.0% | Unchanged |
| Private Wealth Asset Management, LLC | 339 | $17.6K | 0.00% | +339 | New |
| Massmutual Trust Co FSB | 350 | $18.1K | 0.00% | +77+28.2% | Added |
| Quarry LP | 358 | $18.5K | 0.00% | −808−69.3% | Reduced |
| Whittier Trust Co of Nevada Inc | 364 | $18.8K | 0.00% | +364 | New |
| Rise Advisors, LLC | 365 | $18.9K | 0.01% | −80−18.0% | Reduced |
| Riggs Asset Managment Co. Inc. | 400 | $20.7K | 0.01% | −11−2.7% | Reduced |
| EverSource Wealth Advisors, LLC | 424 | $22.0K | 0.00% | −3,671−89.6% | Reduced |
| Ci Investments Inc. | 416 | $22.0K | 0.00% | −30−6.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 430 | $22.3K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 421 | $22.6K | 0.00% | −14−3.2% | Reduced |
| SBI Securities Co., Ltd. | 441 | $22.8K | 0.00% | +313+244.5% | Added |
| Allworth Financial LP | 467 | $23.1K | 0.00% | +109+30.4% | Added |
| Banque Cantonale Vaudoise | 491 | $25.0K | 0.00% | +491 | New |
| Maryland Capital Advisors Inc. | 483 | $25.0K | 0.01% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 500 | $25.9K | 0.00% | 00.0% | Unchanged |
| TSFG, LLC | 496 | $26.0K | 0.01% | +496 | New |
| V-Square Quantitative Management LLC | 508 | $26.3K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 648 | $33.5K | 0.00% | −7,574−92.1% | Reduced |
| Orion Capital Management LLC | 703 | $36.4K | 0.02% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 804 | $41.6K | 0.01% | +804 | New |
| Larson Financial Group LLC | 857 | $44.4K | 0.00% | +794+1,260.3% | Added |
| Walleye Capital LLC | 953 | $49.3K | 0.00% | +319+50.3% | Added |
| Skopos Labs, Inc. | 973 | $50.4K | 0.01% | +968+19,360.0% | Added |
| State of Wyoming | 1,071 | $55.5K | 0.01% | +1,071 | New |
| Optiver Holding B.V. | 1,096 | $56.7K | 0.00% | +320+41.2% | Added |
| Signaturefd, LLC | 1,122 | $58.1K | 0.00% | +185+19.7% | Added |
| Farther Finance Advisors, LLC | 1,204 | $63.0K | 0.00% | +78+6.9% | Added |
| Umb Bank N A | 1,233 | $63.8K | 0.00% | +696+129.6% | Added |