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; 621 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 2024
Institutional positions in Rambus Inc as of Mar 31, 2024. 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
- 375
- −21 vs. Q4 2023
- Shares held
- 97.3M
- +747.6K (+0.8%) vs. Q4 2023
- Total value
- $6.00B
- −$592.3M (−9.0%) vs. Q4 2023
- New holders
- 51
- 153 more added
- Sold out
- 72
- 135 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 | 621 | $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 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| NBC Securities, Inc. | 1,221 | $75.0K | 0.01% | −72−5.6% | Reduced |
| Clearstead Advisors, LLC | 1,315 | $74.9K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,207 | $74.6K | 0.00% | +284+30.8% | Added |
| Householder Group Estate & Retirement Specialist, LLC | 1,207 | $74.6K | 0.02% | −33−2.7% | Reduced |
| Spire Wealth Management | 1,100 | $68.0K | 0.00% | +142+14.8% | Added |
| GAMMA Investing LLC | 1,080 | $66.8K | 0.01% | +121+12.6% | Added |
| Credit Agricole S A | 1,175 | $66.3K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 1,000 | $61.8K | 0.01% | −23,000−95.8% | Reduced |
| Geneos Wealth Management Inc. | 1,000 | $61.8K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 808 | $49.9K | 0.00% | −392−32.7% | Reduced |
| Versant Capital Management, Inc | 744 | $46.0K | 0.01% | +7+0.9% | Added |
| Orion Capital Management LLC | 703 | $43.5K | 0.02% | 00.0% | Unchanged |
| Maryland Capital Advisors Inc. | 575 | $35.5K | 0.02% | 00.0% | Unchanged |
| Proequities, Inc. | 540 | $33.4K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 527 | $32.6K | 0.00% | −101−16.1% | Reduced |
| Bartlett & Co. Wealth Management LLC | 500 | $30.9K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 445 | $27.5K | 0.01% | +445 | New |
| Fifth Third Bancorp | 431 | $26.6K | 0.00% | −73−14.5% | Reduced |
| Principal Securities, Inc. | 411 | $25.4K | 0.00% | +253+160.1% | Added |
| GWM Advisors LLC | 408 | $25.2K | 0.00% | −50−10.9% | Reduced |
| Riggs Asset Managment Co. Inc. | 407 | $25.2K | 0.01% | +7+1.8% | Added |
| Massmutual Trust Co FSB | 354 | $21.9K | 0.00% | −6−1.7% | Reduced |
| Ronald Blue Trust, Inc. | 335 | $20.7K | 0.00% | −112−25.1% | Reduced |
| Bessemer Group Inc | 300 | $19.0K | 0.00% | 00.0% | Unchanged |
| Ulland Investment Advisors, LLC | 300 | $19.0K | 0.02% | +300 | New |
| Tradewinds Capital Management, LLC | 296 | $18.3K | 0.01% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 285 | $17.7K | 0.00% | +93+48.4% | Added |
| Allworth Financial LP | 279 | $17.2K | 0.00% | −13−4.5% | Reduced |
| Clear Street Markets LLC | 274 | $17.0K | 0.01% | +274 | New |
| SYSTM Wealth Solutions LLC | 256 | $15.8K | 0.00% | +28+12.3% | Added |
| Byrne Asset Management LLC | 250 | $15.5K | 0.01% | +250 | New |
| Ci Investments Inc. | 223 | $14.0K | 0.00% | +57+34.3% | Added |
| Private Trust Co NA | 221 | $13.7K | 0.00% | 00.0% | Unchanged |
| Planning Capital Management Corp | 208 | $12.9K | 0.01% | 00.0% | Unchanged |
| CarsonAllaria Wealth Management, Ltd. | 200 | $12.4K | 0.01% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 153 | $9.46K | 0.00% | +30+24.4% | Added |
| Rakuten Securities, Inc. | 138 | $8.53K | 0.00% | +138 | New |
| Key Financial Inc | 137 | $8.47K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 107 | $6.61K | 0.00% | −18−14.4% | Reduced |
| EverSource Wealth Advisors, LLC | 115 | $6.30K | 0.00% | −52−31.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 100 | $6.18K | 0.00% | −14−12.3% | Reduced |
| nVerses Capital, LLC | 100 | $6.18K | 0.01% | – | – |
| LGT Financial Advisors LLC | 91 | $5.63K | 0.01% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 85 | $5.25K | 0.00% | +30+54.5% | Added |
| RFP Financial Group LLC | 76 | $4.70K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 65 | $4.02K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 60 | $3.71K | 0.00% | +60 | New |
| JFS Wealth Advisors, LLC | 58 | $3.58K | 0.00% | −63−52.1% | Reduced |
| WealthCollab, LLC | 53 | $3.28K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 50 | $3.09K | 0.00% | −8−13.8% | Reduced |
| Mather Group, LLC. | 44 | $3.00K | 0.00% | +44 | New |
| Valley National Advisers Inc | 50 | $3.00K | 0.00% | −10−16.7% | Reduced |
| First Pacific Financial | 46 | $2.84K | 0.00% | +13+39.4% | Added |
| Farmers & Merchants Investments Inc | 45 | $2.78K | 0.00% | −15−25.0% | Reduced |
| Bell Investment Advisors, Inc | 41 | $2.54K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Co | 34 | $2.15K | 0.00% | +34 | New |
| Plante Moran Financial Advisors, LLC | 31 | $1.92K | 0.00% | −23−42.6% | Reduced |
| Umb Bank N A | 31 | $1.92K | 0.00% | +31 | New |
| First Horizon Advisors, Inc. | 30 | $1.85K | 0.00% | +5+20.0% | Added |
| Westside Investment Management, Inc. | 25 | $1.55K | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 25 | $1.54K | 0.00% | +9+56.3% | Added |
| Naples Money Management LLC | 22 | $1.36K | 0.00% | +22 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 21 | $1.30K | 0.00% | +21 | New |
| Harbour Investments, Inc. | 20 | $1.24K | 0.00% | +20 | New |
| Harbor Investment Advisory, LLC | 20 | $1.24K | 0.00% | +20 | New |
| Institutional & Family Asset Management, LLC | 18 | $1.11K | 0.00% | +6+50.0% | Added |
| Huntington National Bank | 17 | $1.05K | 0.00% | −3−15.0% | Reduced |
| Avion Wealth | 9 | $1.00K | 0.00% | 00.0% | Unchanged |
| First Command Advisory Services, Inc. | 15 | $927 | 0.00% | +15 | New |
| Rothschild Investment LLC | 10 | $618 | 0.00% | +10 | New |
| SJS Investment Consulting Inc. | 8 | $495 | 0.00% | −15−65.2% | Reduced |
| Sound Income Strategies, LLC | 6 | $371 | 0.00% | −3−33.3% | Reduced |
| DiNuzzo Private Wealth, Inc. | 5 | $310 | 0.00% | −9−64.3% | Reduced |
| Tfo-TDC, LLC | 4 | $247 | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 3 | $186 | 0.00% | −10−76.9% | Reduced |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −1,511,521−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −772,842−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −334,023−100.0% | Sold out |
| Cercano Management LLC | 0 | $0 | 0.00% | −320,184−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −252,625−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −114,695−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −75,506−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −70,088−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −61,106−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −45,227−100.0% | Sold out |
| Zweig-DiMenna Associates LLC | 0 | $0 | 0.00% | −34,125−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −14,515−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −13,824−100.0% | Sold out |
| Hanseatic Management Services Inc | 0 | $0 | 0.00% | −13,115−100.0% | Sold out |
| Barometer Capital Management Inc. | 0 | $0 | 0.00% | −11,600−100.0% | Sold out |
| Juncture Wealth Strategies, LLC | 0 | $0 | 0.00% | −11,137−100.0% | Sold out |
| TriaGen Wealth Management LLC | 0 | $0 | 0.00% | −10,513−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −10,133−100.0% | Sold out |
| Virtue Capital Management, LLC | 0 | $0 | 0.00% | – | Sold out |
| ARGA Investment Management, LP | 0 | $0 | 0.00% | −9,134−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −8,831−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −8,598−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −8,148−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,504−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −7,296−100.0% | Sold out |