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 2024
Institutional positions in Rambus Inc as of Sep 30, 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
- 376
- +15 vs. Q2 2024
- Shares held
- 93.1M
- +12.8M (+15.9%) vs. Q2 2024
- Total value
- $3.94B
- −$775.7M (−16.4%) vs. Q2 2024
- New holders
- 77
- 160 more added
- Sold out
- 62
- 103 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,693,184 | $578.1M | 0.01% | +13,693,184 | New |
| Vanguard Group Inc | 12,563,334 | $530.4M | 0.01% | +774,156+6.6% | Added |
| State Street Corp | 4,819,125 | $203.5M | 0.01% | +164,830+3.5% | Added |
| JPMorgan Chase & Co | 4,115,395 | $173.8M | 0.01% | −2,479,074−37.6% | Reduced |
| Invesco Ltd. | 2,905,795 | $122.7M | 0.02% | +1,184,513+68.8% | Added |
| Geode Capital Management, LLC | 2,621,342 | $110.7M | 0.01% | +21,053+0.8% | Added |
| Bank of New York Mellon Corp | 2,163,199 | $91.3M | 0.02% | −74,068−3.3% | Reduced |
| Dimensional Fund Advisors LP | 1,761,248 | $74.4M | 0.02% | −37,237−2.1% | Reduced |
| Neuberger Berman Group LLC | 1,747,263 | $73.8M | 0.06% | −135,675−7.2% | Reduced |
| Swedbank AB | 1,743,000 | $73.6M | 0.09% | +193,150+12.5% | Added |
| Morgan Stanley | 1,590,777 | $67.2M | 0.00% | +764,545+92.5% | Added |
| Vaughan Nelson Investment Management, L.P. | 1,462,932 | $61.8M | 0.55% | +357,160+32.3% | Added |
| Wellington Management Group LLP | 1,458,731 | $61.6M | 0.01% | −4,744,367−76.5% | Reduced |
| Westwood Holdings Group Inc. | 1,429,896 | $60.4M | 0.25% | +947,140+196.2% | Added |
| Northern Trust Corp | 1,292,454 | $54.6M | 0.01% | −3,800−0.3% | Reduced |
| Norges Bank | 1,286,532 | $54.3M | 0.01% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 1,266,780 | $53.5M | 0.11% | +978,417+339.3% | Added |
| Charles Schwab Investment Management Inc | 1,243,985 | $52.5M | 0.01% | −7,442−0.6% | Reduced |
| Voya Investment Management LLC | 1,193,862 | $50.4M | 0.05% | +360,190+43.2% | Added |
| American Century Companies Inc | 1,101,874 | $46.5M | 0.03% | +48,497+4.6% | Added |
| Price T Rowe Associates Inc | 1,003,982 | $42.4M | 0.00% | −60,315−5.7% | Reduced |
| Eagle Asset Management Inc | 722,773 | $40.3M | 0.21% | +7,168+1.0% | Added |
| Nuveen Asset Management, LLC | 948,621 | $40.1M | 0.01% | −287,657−23.3% | Reduced |
| Millennium Management LLC | 936,596 | $39.5M | 0.03% | +899,338+2,413.8% | Added |
| Westfield Capital Management Co LP | 902,236 | $38.1M | 0.17% | +356,496+65.3% | Added |
| Two Sigma Investments, LP | 823,889 | $34.8M | 0.08% | +585,842+246.1% | Added |
| Goldman Sachs Group Inc | 820,855 | $34.7M | 0.01% | −98,532−10.7% | Reduced |
| Cubist Systematic Strategies, LLC | 814,561 | $34.4M | 0.52% | +814,561 | New |
| D. E. Shaw & Co., Inc. | 800,699 | $33.8M | 0.04% | +747,394+1,402.1% | Added |
| Bank of America Corp | 665,718 | $28.1M | 0.00% | −181,820−21.5% | Reduced |
| Two Sigma Advisers, LP | 562,900 | $23.8M | 0.06% | +356,200+172.3% | Added |
| Emerald Advisers, LLC | 561,414 | $23.7M | 0.92% | +166,453+42.1% | Added |
| Voloridge Investment Management, LLC | 551,769 | $23.3M | 0.08% | +551,769 | New |
| Silvercrest Asset Management Group LLC | 539,384 | $22.8M | 0.15% | −8,827−1.6% | Reduced |
| Point72 Hong Kong Ltd | 449,655 | $19.0M | 1.37% | +449,655 | New |
| Macquarie Group Ltd | 441,328 | $18.6M | 0.02% | −109,213−19.8% | Reduced |
| Franklin Resources Inc | 413,086 | $18.6M | 0.01% | +27,764+7.2% | Added |
| Panagora Asset Management Inc | 439,287 | $18.5M | 0.09% | +9,995+2.3% | Added |
| HRT Financial LP | 430,191 | $18.2M | 0.09% | +430,191 | New |
| Jane Street Group, LLC | 429,607 | $18.1M | 0.03% | +293,596+215.9% | Added |
| Emerald Mutual Fund Advisers Trust | 421,917 | $17.8M | 0.93% | +115,222+37.6% | Added |
| Mesirow Institutional Investment Management, Inc. | 399,619 | $16.9M | 1.29% | +114,359+40.1% | Added |
| Qube Research & Technologies Ltd | 373,874 | $15.8M | 0.03% | +299,353+401.7% | Added |
| AQR Capital Management LLC | 362,252 | $15.2M | 0.02% | −210,678−36.8% | Reduced |
| Janus Henderson Group PLC | 351,801 | $14.9M | 0.01% | +301,394+597.9% | Added |
| WCM Investment Management, LLC | 352,403 | $14.8M | 0.03% | −11,253−3.1% | Reduced |
| SEI Investments Co | 343,104 | $14.5M | 0.02% | +58,162+20.4% | Added |
| Rhumbline Advisers | 329,204 | $13.9M | 0.01% | −11,433−3.4% | Reduced |
| Principal Financial Group Inc | 325,409 | $13.7M | 0.01% | −98,974−23.3% | Reduced |
| Capital Fund Management S.A. | 322,351 | $13.6M | 0.15% | +119,123+58.6% | Added |
| Glenmede Trust Co NA | 311,910 | $13.2M | 0.06% | +75,908+32.2% | Added |
| Trexquant Investment LP | 309,589 | $13.1M | 0.17% | +202,624+189.4% | Added |
| Royal Bank of Canada | 309,541 | $13.1M | 0.00% | +94,321+43.8% | Added |
| Natixis Advisors, L.P. | 295,307 | $12.5M | 0.02% | +72,280+32.4% | Added |
| Prudential Financial Inc | 272,670 | $11.5M | 0.02% | −10,739−3.8% | Reduced |
| Algert Global LLC | 259,341 | $10.9M | 0.29% | +161,348+164.7% | Added |
| Crestline Management, LP | 258,331 | $10.9M | 0.62% | +127,312+97.2% | Added |
| ExodusPoint Capital Management, LP | 257,057 | $10.9M | 0.11% | +229,815+843.6% | Added |
| UBS Asset Management Americas Inc | 244,425 | $10.3M | 0.00% | +4,178+1.7% | Added |
| Alliancebernstein L.P. | 236,453 | $9.98M | 0.00% | −21,926−8.5% | Reduced |
| Scout Investments, Inc. | 226,269 | $9.97M | 0.26% | +226,269 | New |
| HighTower Advisors, LLC | 233,293 | $9.81M | 0.01% | +42,968+22.6% | Added |
| M&G Plc | 233,121 | $9.79M | 0.05% | +233,121 | New |
| Legal & General Group Plc | 228,722 | $9.66M | 0.00% | +7,910+3.6% | Added |
| Ameriprise Financial Inc | 228,448 | $9.65M | 0.00% | −559,874−71.0% | Reduced |
| Balyasny Asset Management LLC | 220,120 | $9.29M | 0.02% | +153,365+229.7% | Added |
| Barclays PLC | 216,259 | $9.13M | 0.00% | −298,398−58.0% | Reduced |
| Swiss National Bank | 210,500 | $8.89M | 0.01% | −3,100−1.5% | Reduced |
| Engineers Gate Manager LP | 202,230 | $8.54M | 0.17% | +146,335+261.8% | Added |
| First Trust Advisors LP | 200,415 | $8.46M | 0.01% | +22,819+12.8% | Added |
| Penn Capital Management Co Inc | 198,536 | $8.40M | 0.77% | −7,428−3.6% | Reduced |
| Marshall Wace, LLP | 185,558 | $7.83M | 0.01% | +180,071+3,281.8% | Added |
| Citadel Advisors LLC | 185,449 | $7.83M | 0.01% | +185,449 | New |
| Corebridge Financial, Inc. | 184,741 | $7.80M | 0.04% | −9,326−4.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 184,100 | $7.77M | 0.02% | +31,490+20.6% | Added |
| California Public Employees Retirement System | 184,003 | $7.77M | 0.01% | −2,259−1.2% | Reduced |
| Public Employees Retirement System of Ohio | 172,534 | $7.28M | 0.03% | +43,351+33.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 171,788 | $7.25M | 0.02% | −3,267−1.9% | Reduced |
| Susquehanna International Group, LLP | 166,399 | $7.03M | 0.01% | +98,276+144.3% | Added |
| New York State Common Retirement Fund | 159,800 | $6.75M | 0.01% | −113,182−41.5% | Reduced |
| Stephens Investment Management Group LLC | 156,877 | $6.62M | 0.09% | −27,245−14.8% | Reduced |
| DekaBank Deutsche Girozentrale | 154,173 | $6.44M | 0.01% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 148,120 | $6.25M | 0.07% | +37,018+33.3% | Added |
| Barington Capital Group, L.P. | 145,100 | $6.13M | 6.48% | +15,000+11.5% | Added |
| Russell Investments Group, Ltd. | 138,715 | $5.86M | 0.01% | +79,486+134.2% | Added |
| Seven Eight Capital, LP | 137,817 | $5.82M | 0.52% | +118,968+631.2% | Added |
| BNP Paribas Arbitrage, SA | 134,900 | $5.70M | 0.01% | −60,240−30.9% | Reduced |
| Twinbeech Capital LP | 132,924 | $5.61M | 0.11% | +132,924 | New |
| Retirement Systems of Alabama | 130,806 | $5.52M | 0.02% | −2,221−1.7% | Reduced |
| Manufacturers Life Insurance Company, The | 127,159 | $5.37M | 0.00% | −4,486−3.4% | Reduced |
| Tudor Investment Corp Et Al | 117,146 | $4.95M | 0.05% | +117,146 | New |
| MetLife Investment Management | 116,534 | $4.92M | 0.03% | −1,057−0.9% | Reduced |
| Citigroup Inc | 112,915 | $4.77M | 0.00% | −564,655−83.3% | Reduced |
| HSBC Holdings PLC | 111,281 | $4.69M | 0.00% | +78,673+241.3% | Added |
| Weiss Asset Management LP | 110,740 | $4.68M | 0.12% | +55,313+99.8% | Added |
| Granahan Investment Management Inc | 106,926 | $4.51M | 0.18% | +20,496+23.7% | Added |
| California State Teachers Retirement System | 102,031 | $4.31M | 0.01% | −4,047−3.8% | Reduced |
| Captrust Financial Advisors | 101,166 | $4.27M | 0.01% | −994,228−90.8% | Reduced |
| Deutsche Bank AG | 99,204 | $4.19M | 0.00% | +37,632+61.1% | Added |
| Comerica Bank | 99,010 | $4.18M | 0.02% | +19,545+24.6% | Added |