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 2022
Institutional positions in Rambus Inc as of Mar 31, 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
- 276
- +20 vs. Q4 2021
- Shares held
- 93.7M
- −1.91M (−2.0%) vs. Q4 2021
- Total value
- $2.98B
- +$178.1M (+6.4%) vs. Q4 2021
- New holders
- 46
- 83 more added
- Sold out
- 26
- 97 more reduced
2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EAM Investors, LLC | 119,154 | $3.80M | 0.71% | −18,206−13.3% | Reduced |
| State of Wisconsin Investment Board | 119,300 | $3.80M | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 119,724 | $3.82M | 0.00% | −35,114−22.7% | Reduced |
| Putnam Investments LLC | 119,765 | $3.82M | 0.01% | −32,475−21.3% | Reduced |
| SEI Investments Co | 121,344 | $3.85M | 0.01% | +18,232+17.7% | Added |
| Stephens Inc | 125,642 | $4.01M | 0.07% | +71,192+130.7% | Added |
| Public Employees Retirement System of Ohio | 126,755 | $4.04M | 0.01% | −29,607−18.9% | Reduced |
| Citigroup Inc | 127,284 | $4.06M | 0.00% | −2,738−2.1% | Reduced |
| Crestline Management, LP | 128,956 | $4.11M | 0.52% | −77,582−37.6% | Reduced |
| Natixis Advisors, L.P. | 134,031 | $4.27M | 0.02% | +114,596+589.6% | Added |
| California State Teachers Retirement System | 139,191 | $4.44M | 0.01% | −12,154−8.0% | Reduced |
| UBS Asset Management Americas Inc | 141,620 | $4.52M | 0.00% | −2,471−1.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 143,000 | $4.56M | 1.61% | +48,000+50.5% | Added |
| Schroder Investment Management Group | 145,350 | $4.70M | 0.01% | +26,385+22.2% | Added |
| Alliancebernstein L.P. | 150,612 | $4.80M | 0.00% | −7,842−4.9% | Reduced |
| EAM Global Investors LLC | 165,228 | $5.27M | 0.97% | +76,291+85.8% | Added |
| First Trust Advisors LP | 168,720 | $5.38M | 0.01% | +46,768+38.3% | Added |
| Eagle Asset Management Inc | 174,818 | $5.57M | 0.03% | +174,818 | New |
| Jacobs Levy Equity Management, Inc | 175,828 | $5.61M | 0.04% | −39,962−18.5% | Reduced |
| Assenagon Asset Management S.A. | 177,407 | $5.66M | 0.02% | −219,504−55.3% | Reduced |
| HighTower Advisors, LLC | 185,929 | $5.93M | 0.01% | +5,527+3.1% | Added |
| AXA S.A. | 191,600 | $6.11M | 0.02% | −8,300−4.2% | Reduced |
| Thrivent Financial for Lutherans | 193,044 | $6.16M | 0.01% | +104,042+116.9% | Added |
| Wells Fargo & Company | 197,843 | $6.31M | 0.00% | +29,700+17.7% | Added |
| Public Sector Pension Investment Board | 204,122 | $6.51M | 0.04% | −18,630−8.4% | Reduced |
| Credit Suisse AG | 210,652 | $6.72M | 0.01% | −164,468−43.8% | Reduced |
| Swiss National Bank | 258,600 | $8.25M | 0.00% | +19,000+7.9% | Added |
| Primecap Management Co | 263,163 | $8.39M | 0.01% | −4,800−1.8% | Reduced |
| Pacer Advisors, Inc. | 270,092 | $8.61M | 0.07% | +270,092 | New |
| Mirae Asset Global Investments Co., Ltd. | 275,838 | $8.80M | 0.02% | −27,695−9.1% | Reduced |
| Rhumbline Advisers | 295,659 | $9.43M | 0.01% | −4,451−1.5% | Reduced |
| Captrust Financial Advisors | 297,488 | $9.49M | 0.06% | +92,344+45.0% | Added |
| Penn Capital Management Co Inc | 360,549 | $9.87M | 1.01% | +34,242+10.5% | Added |
| Legal & General Group Plc | 315,420 | $10.1M | 0.00% | −2,593−0.8% | Reduced |
| Bank of America Corp | 386,408 | $12.3M | 0.00% | +13,797+3.7% | Added |
| New York State Common Retirement Fund | 387,345 | $12.4M | 0.01% | +587+0.2% | Added |
| Two Sigma Advisers, LP | 391,385 | $12.5M | 0.03% | −133,700−25.5% | Reduced |
| Goldman Sachs Group Inc | 403,156 | $12.9M | 0.00% | −493,034−55.0% | Reduced |
| Parametric Portfolio Associates LLC | 433,636 | $13.8M | 0.01% | +77,431+21.7% | Added |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 441,061 | $14.1M | 1.56% | −40,130−8.3% | Reduced |
| Great Lakes Advisors, LLC | 444,560 | $14.2M | 0.23% | +69,395+18.5% | Added |
| Two Sigma Investments, LP | 444,898 | $14.2M | 0.04% | +261,009+141.9% | Added |
| Deutsche Bank AG | 459,454 | $14.7M | 0.01% | −200,169−30.3% | Reduced |
| Russell Investments Group, Ltd. | 518,610 | $16.5M | 0.03% | +36,816+7.6% | Added |
| Heard Capital LLC | 522,370 | $16.7M | 1.53% | −137,014−20.8% | Reduced |
| Barington Capital Group, L.P. | 530,100 | $16.9M | 20.35% | 00.0% | Unchanged |
| Millennium Management LLC | 565,357 | $18.0M | 0.02% | −212,677−27.3% | Reduced |
| Hood River Capital Management LLC | 574,310 | $18.3M | 0.61% | +574,310 | New |
| Epoch Investment Partners, Inc. | 589,694 | $18.8M | 0.09% | +63,288+12.0% | Added |
| JPMorgan Chase & Co | 605,860 | $19.3M | 0.00% | −226,180−27.2% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 687,890 | $21.9M | 0.25% | +687,890 | New |
| Glenmede Trust Co NA | 692,895 | $22.1M | 0.11% | −7,065−1.0% | Reduced |
| Morgan Stanley | 722,224 | $23.0M | 0.00% | −121,268−14.4% | Reduced |
| Principal Financial Group Inc | 730,777 | $23.3M | 0.01% | −7,181−1.0% | Reduced |
| Driehaus Capital Management LLC | 771,153 | $24.6M | 0.30% | +771,153 | New |
| Shannon River Fund Management LLC | 781,855 | $24.9M | 3.17% | −149,118−16.0% | Reduced |
| Charles Schwab Investment Management Inc | 790,769 | $25.2M | 0.01% | +16,310+2.1% | Added |
| Invesco Ltd. | 822,026 | $26.2M | 0.01% | −208,495−20.2% | Reduced |
| Nuveen Asset Management, LLC | 1,095,336 | $34.2M | 0.01% | −281,628−20.5% | Reduced |
| Norges Bank | 1,089,477 | $34.7M | 0.01% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 1,169,539 | $37.3M | 0.01% | −19,614−1.6% | Reduced |
| D. E. Shaw & Co., Inc. | 1,278,334 | $40.8M | 0.05% | −75,679−5.6% | Reduced |
| Northern Trust Corp | 1,573,216 | $50.2M | 0.01% | −50,655−3.1% | Reduced |
| Silvercrest Asset Management Group LLC | 1,823,354 | $58.1M | 0.38% | −535,987−22.7% | Reduced |
| Lord, Abbett & Co. LLC | 1,961,530 | $62.6M | 0.17% | +236,164+13.7% | Added |
| Geode Capital Management, LLC | 1,976,130 | $63.0M | 0.01% | +60,311+3.1% | Added |
| Wellington Management Group LLP | 2,245,891 | $71.6M | 0.01% | −144,321−6.0% | Reduced |
| Lynrock Lake LP | 2,342,497 | $74.7M | 4.20% | −1,656,355−41.4% | Reduced |
| Westwood Holdings Group Inc. | 2,520,284 | $80.4M | 0.74% | −401,550−13.7% | Reduced |
| Loomis Sayles & Co L P | 3,068,768 | $97.9M | 0.13% | −6,320−0.2% | Reduced |
| Dimensional Fund Advisors LP | 3,718,856 | $118.6M | 0.04% | +87,609+2.4% | Added |
| Neuberger Berman Group LLC | 4,220,649 | $134.6M | 0.11% | +701,583+19.9% | Added |
| State Street Corp | 4,632,111 | $147.7M | 0.01% | −202,375−4.2% | Reduced |
| Ameriprise Financial Inc | 5,029,452 | $160.4M | 0.05% | −373,626−6.9% | Reduced |
| Vanguard Group Inc | 12,030,880 | $383.7M | 0.01% | +168,940+1.4% | Added |
| BlackRock Inc. | 17,199,468 | $548.5M | 0.01% | +47,422+0.3% | Added |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −108,028−100.0% | Sold out |
| Cypress Capital Management LLC (WY) | 0 | $0 | 0.00% | −84,110−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −46,583−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −23,028−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −20,265−100.0% | Sold out |
| HAP Trading, LLC | 0 | $0 | 0.00% | −15,272−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −13,674−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −12,154−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −10,700−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −9,416−100.0% | Sold out |
| Navellier & Associates Inc | 0 | $0 | 0.00% | −8,508−100.0% | Sold out |
| Morse Asset Management, Inc | 0 | $0 | 0.00% | −8,200−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −6,920−100.0% | Sold out |
| Eaton Vance Management | 0 | $0 | 0.00% | −4,687−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −2,306−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −1,853−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −1,698−100.0% | Sold out |
| Signet Financial Management, LLC | 0 | $0 | 0.00% | −1,652−100.0% | Sold out |
| Confluence Wealth Services, Inc. | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Benjamin F. Edwards & Company, Inc. | 0 | $0 | 0.00% | −1,195−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −892−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −238−100.0% | Sold out |