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, Q3 2022
Institutional positions in Rambus Inc as of Sep 30, 2022. 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
- 241
- −9 vs. Q2 2022
- Shares held
- 93.5M
- −2.30M (−2.4%) vs. Q2 2022
- Total value
- $2.38B
- +$310.2M (+15.0%) vs. Q2 2022
- New holders
- 31
- 81 more added
- Sold out
- 40
- 94 more reduced
3 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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, Q3 2022
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rhumbline Advisers | 301,805 | $7.67M | 0.01% | +14,381+5.0% | Added |
| Legal & General Group Plc | 316,200 | $8.04M | 0.00% | −3,446−1.1% | Reduced |
| Assenagon Asset Management S.A. | 336,529 | $8.55M | 0.04% | −345,100−50.6% | Reduced |
| Panagora Asset Management Inc | 367,138 | $9.33M | 0.06% | +126,319+52.5% | Added |
| Mesirow Institutional Investment Management, Inc. | 376,466 | $9.57M | 1.39% | +376,466 | New |
| Man Group plc | 382,413 | $9.72M | 0.05% | – | – |
| Pacer Advisors, Inc. | 423,804 | $10.8M | 0.08% | +53,879+14.6% | Added |
| Great Lakes Advisors, LLC | 433,569 | $11.0M | 0.24% | −4,022−0.9% | Reduced |
| New York State Common Retirement Fund | 438,274 | $11.1M | 0.02% | +3,727+0.9% | Added |
| Royce & Associates LP | 504,090 | $12.8M | 0.14% | +12,100+2.5% | Added |
| Penn Capital Management Co Inc | 514,869 | $13.1M | 1.46% | +826+0.2% | Added |
| Barington Capital Group, L.P. | 530,100 | $13.5M | 26.94% | 00.0% | Unchanged |
| Epoch Investment Partners, Inc. | 546,677 | $13.9M | 0.09% | −10,776−1.9% | Reduced |
| Glenmede Trust Co NA | 557,417 | $14.2M | 0.09% | −67,363−10.8% | Reduced |
| Goldman Sachs Group Inc | 581,436 | $14.8M | 0.00% | +129,300+28.6% | Added |
| Principal Financial Group Inc | 710,435 | $18.1M | 0.01% | −50,380−6.6% | Reduced |
| Shannon River Fund Management LLC | 739,988 | $18.8M | 8.09% | −170,568−18.7% | Reduced |
| Charles Schwab Investment Management Inc | 804,795 | $20.5M | 0.01% | +25,205+3.2% | Added |
| JPMorgan Chase & Co | 814,838 | $20.7M | 0.00% | +282,210+53.0% | Added |
| Invesco Ltd. | 826,018 | $21.0M | 0.01% | +12,531+1.5% | Added |
| Morgan Stanley | 996,829 | $25.3M | 0.00% | −31,903−3.1% | Reduced |
| Norges Bank | 1,046,995 | $26.6M | 0.01% | +17,932+1.7% | Added |
| Hood River Capital Management LLC | 1,124,889 | $28.6M | 1.09% | −60,123−5.1% | Reduced |
| Nuveen Asset Management, LLC | 1,130,577 | $28.7M | 0.01% | +139,160+14.0% | Added |
| Russell Investments Group, Ltd. | 1,154,039 | $29.3M | 0.06% | −259,980−18.4% | Reduced |
| Bank of New York Mellon Corp | 1,155,544 | $29.4M | 0.01% | +36,943+3.3% | Added |
| D. E. Shaw & Co., Inc. | 1,271,753 | $32.3M | 0.06% | −26,253−2.0% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 1,584,075 | $40.3M | 0.58% | +194,060+14.0% | Added |
| Northern Trust Corp | 1,588,121 | $40.4M | 0.01% | +5,001+0.3% | Added |
| Silvercrest Asset Management Group LLC | 1,657,171 | $42.1M | 0.35% | −122,635−6.9% | Reduced |
| Geode Capital Management, LLC | 1,985,767 | $50.5M | 0.01% | +16,723+0.8% | Added |
| Lord, Abbett & Co. LLC | 2,098,093 | $53.3M | 0.19% | +242,562+13.1% | Added |
| Wellington Management Group LLP | 2,648,814 | $67.3M | 0.01% | +259,307+10.9% | Added |
| Loomis Sayles & Co L P | 2,679,485 | $68.1M | 0.14% | −165,355−5.8% | Reduced |
| Westwood Holdings Group Inc. | 2,919,874 | $74.2M | 0.88% | −230,207−7.3% | Reduced |
| Dimensional Fund Advisors LP | 3,637,180 | $92.5M | 0.04% | +4,428+0.1% | Added |
| State Street Corp | 4,855,801 | $123.4M | 0.01% | +155,076+3.3% | Added |
| Neuberger Berman Group LLC | 5,138,328 | $131.1M | 0.14% | +69,862+1.4% | Added |
| Ameriprise Financial Inc | 5,467,630 | $139.0M | 0.05% | +188,534+3.6% | Added |
| Vanguard Group Inc | 12,586,966 | $320.0M | 0.01% | +314,467+2.6% | Added |
| BlackRock Inc. | 17,120,075 | $435.2M | 0.01% | +269,773+1.6% | Added |
| Lynrock Lake LP | 0 | $0 | 0.00% | −1,099,808−100.0% | Sold out |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 0 | $0 | 0.00% | −490,586−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −326,691−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −175,027−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −162,229−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −123,312−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −91,612−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −84,999−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −82,758−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −76,002−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −65,321−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −60,140−100.0% | Sold out |
| Ziegler Capital Management, LLC | 0 | $0 | 0.00% | −58,392−100.0% | Sold out |
| Heard Capital LLC | 0 | $0 | 0.00% | −51,900−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −44,729−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −41,607−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −39,421−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −29,825−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −25,717−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −19,779−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −15,842−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −13,614−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −13,057−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −12,345−100.0% | Sold out |
| Redwood Investment Management, LLC | 0 | $0 | 0.00% | −11,625−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −9,897−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −5,512−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −2,423−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,931−100.0% | Sold out |
| Riverview Trust Co | 0 | $0 | 0.00% | −557−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −459−100.0% | Sold out |
| Steward Financial Group LLC | 0 | $0 | 0.00% | −502−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −254−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −238−100.0% | Sold out |
| Fairfield, Bush & Co. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −167−100.0% | Sold out |
| Retirement Group, LLC | 0 | $0 | 0.00% | −155−100.0% | Sold out |
| West Paces Advisors Inc. | 0 | $0 | 0.00% | −113−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Fieldpoint Private Securities, LLC | – | – | – | – | Not filed |
| Private Capital Group, LLC | – | – | – | – | Not filed |
| Cordasco Financial Network | – | – | – | – | Not filed |