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 |
|---|---|---|---|---|---|
| California Public Employees Retirement System | 184,003 | $7.77M | 0.01% | −2,259−1.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 184,100 | $7.77M | 0.02% | +31,490+20.6% | Added |
| Corebridge Financial, Inc. | 184,741 | $7.80M | 0.04% | −9,326−4.8% | Reduced |
| Citadel Advisors LLC | 185,449 | $7.83M | 0.01% | +185,449 | New |
| Marshall Wace, LLP | 185,558 | $7.83M | 0.01% | +180,071+3,281.8% | Added |
| Penn Capital Management Co Inc | 198,536 | $8.40M | 0.77% | −7,428−3.6% | Reduced |
| First Trust Advisors LP | 200,415 | $8.46M | 0.01% | +22,819+12.8% | Added |
| Engineers Gate Manager LP | 202,230 | $8.54M | 0.17% | +146,335+261.8% | Added |
| Swiss National Bank | 210,500 | $8.89M | 0.01% | −3,100−1.5% | Reduced |
| Barclays PLC | 216,259 | $9.13M | 0.00% | −298,398−58.0% | Reduced |
| Balyasny Asset Management LLC | 220,120 | $9.29M | 0.02% | +153,365+229.7% | Added |
| Ameriprise Financial Inc | 228,448 | $9.65M | 0.00% | −559,874−71.0% | Reduced |
| Legal & General Group Plc | 228,722 | $9.66M | 0.00% | +7,910+3.6% | Added |
| M&G Plc | 233,121 | $9.79M | 0.05% | +233,121 | New |
| HighTower Advisors, LLC | 233,293 | $9.81M | 0.01% | +42,968+22.6% | Added |
| Scout Investments, Inc. | 226,269 | $9.97M | 0.26% | +226,269 | New |
| Alliancebernstein L.P. | 236,453 | $9.98M | 0.00% | −21,926−8.5% | Reduced |
| UBS Asset Management Americas Inc | 244,425 | $10.3M | 0.00% | +4,178+1.7% | Added |
| ExodusPoint Capital Management, LP | 257,057 | $10.9M | 0.11% | +229,815+843.6% | Added |
| Crestline Management, LP | 258,331 | $10.9M | 0.62% | +127,312+97.2% | Added |
| Algert Global LLC | 259,341 | $10.9M | 0.29% | +161,348+164.7% | Added |
| Prudential Financial Inc | 272,670 | $11.5M | 0.02% | −10,739−3.8% | Reduced |
| Natixis Advisors, L.P. | 295,307 | $12.5M | 0.02% | +72,280+32.4% | Added |
| Royal Bank of Canada | 309,541 | $13.1M | 0.00% | +94,321+43.8% | Added |
| Trexquant Investment LP | 309,589 | $13.1M | 0.17% | +202,624+189.4% | Added |
| Glenmede Trust Co NA | 311,910 | $13.2M | 0.06% | +75,908+32.2% | Added |
| Capital Fund Management S.A. | 322,351 | $13.6M | 0.15% | +119,123+58.6% | Added |
| Principal Financial Group Inc | 325,409 | $13.7M | 0.01% | −98,974−23.3% | Reduced |
| Rhumbline Advisers | 329,204 | $13.9M | 0.01% | −11,433−3.4% | Reduced |
| SEI Investments Co | 343,104 | $14.5M | 0.02% | +58,162+20.4% | Added |
| WCM Investment Management, LLC | 352,403 | $14.8M | 0.03% | −11,253−3.1% | Reduced |
| Janus Henderson Group PLC | 351,801 | $14.9M | 0.01% | +301,394+597.9% | Added |
| AQR Capital Management LLC | 362,252 | $15.2M | 0.02% | −210,678−36.8% | Reduced |
| Qube Research & Technologies Ltd | 373,874 | $15.8M | 0.03% | +299,353+401.7% | Added |
| Mesirow Institutional Investment Management, Inc. | 399,619 | $16.9M | 1.29% | +114,359+40.1% | Added |
| Emerald Mutual Fund Advisers Trust | 421,917 | $17.8M | 0.93% | +115,222+37.6% | Added |
| Jane Street Group, LLC | 429,607 | $18.1M | 0.03% | +293,596+215.9% | Added |
| HRT Financial LP | 430,191 | $18.2M | 0.09% | +430,191 | New |
| Panagora Asset Management Inc | 439,287 | $18.5M | 0.09% | +9,995+2.3% | Added |
| Franklin Resources Inc | 413,086 | $18.6M | 0.01% | +27,764+7.2% | Added |
| Macquarie Group Ltd | 441,328 | $18.6M | 0.02% | −109,213−19.8% | Reduced |
| Point72 Hong Kong Ltd | 449,655 | $19.0M | 1.37% | +449,655 | New |
| Silvercrest Asset Management Group LLC | 539,384 | $22.8M | 0.15% | −8,827−1.6% | Reduced |
| Voloridge Investment Management, LLC | 551,769 | $23.3M | 0.08% | +551,769 | New |
| Emerald Advisers, LLC | 561,414 | $23.7M | 0.92% | +166,453+42.1% | Added |
| Two Sigma Advisers, LP | 562,900 | $23.8M | 0.06% | +356,200+172.3% | Added |
| Bank of America Corp | 665,718 | $28.1M | 0.00% | −181,820−21.5% | Reduced |
| D. E. Shaw & Co., Inc. | 800,699 | $33.8M | 0.04% | +747,394+1,402.1% | Added |
| Cubist Systematic Strategies, LLC | 814,561 | $34.4M | 0.52% | +814,561 | New |
| Goldman Sachs Group Inc | 820,855 | $34.7M | 0.01% | −98,532−10.7% | Reduced |
| Two Sigma Investments, LP | 823,889 | $34.8M | 0.08% | +585,842+246.1% | Added |
| Westfield Capital Management Co LP | 902,236 | $38.1M | 0.17% | +356,496+65.3% | Added |
| Millennium Management LLC | 936,596 | $39.5M | 0.03% | +899,338+2,413.8% | Added |
| Nuveen Asset Management, LLC | 948,621 | $40.1M | 0.01% | −287,657−23.3% | Reduced |
| Eagle Asset Management Inc | 722,773 | $40.3M | 0.21% | +7,168+1.0% | Added |
| Price T Rowe Associates Inc | 1,003,982 | $42.4M | 0.00% | −60,315−5.7% | Reduced |
| American Century Companies Inc | 1,101,874 | $46.5M | 0.03% | +48,497+4.6% | Added |
| Voya Investment Management LLC | 1,193,862 | $50.4M | 0.05% | +360,190+43.2% | Added |
| Charles Schwab Investment Management Inc | 1,243,985 | $52.5M | 0.01% | −7,442−0.6% | Reduced |
| Assenagon Asset Management S.A. | 1,266,780 | $53.5M | 0.11% | +978,417+339.3% | Added |
| Norges Bank | 1,286,532 | $54.3M | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 1,292,454 | $54.6M | 0.01% | −3,800−0.3% | Reduced |
| Westwood Holdings Group Inc. | 1,429,896 | $60.4M | 0.25% | +947,140+196.2% | Added |
| Wellington Management Group LLP | 1,458,731 | $61.6M | 0.01% | −4,744,367−76.5% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 1,462,932 | $61.8M | 0.55% | +357,160+32.3% | Added |
| Morgan Stanley | 1,590,777 | $67.2M | 0.00% | +764,545+92.5% | Added |
| Swedbank AB | 1,743,000 | $73.6M | 0.09% | +193,150+12.5% | Added |
| Neuberger Berman Group LLC | 1,747,263 | $73.8M | 0.06% | −135,675−7.2% | Reduced |
| Dimensional Fund Advisors LP | 1,761,248 | $74.4M | 0.02% | −37,237−2.1% | Reduced |
| Bank of New York Mellon Corp | 2,163,199 | $91.3M | 0.02% | −74,068−3.3% | Reduced |
| Geode Capital Management, LLC | 2,621,342 | $110.7M | 0.01% | +21,053+0.8% | Added |
| Invesco Ltd. | 2,905,795 | $122.7M | 0.02% | +1,184,513+68.8% | Added |
| JPMorgan Chase & Co | 4,115,395 | $173.8M | 0.01% | −2,479,074−37.6% | Reduced |
| State Street Corp | 4,819,125 | $203.5M | 0.01% | +164,830+3.5% | Added |
| Vanguard Group Inc | 12,563,334 | $530.4M | 0.01% | +774,156+6.6% | Added |
| BlackRock, Inc. | 13,693,184 | $578.1M | 0.01% | +13,693,184 | New |
| Hood River Capital Management LLC | 0 | $0 | 0.00% | −2,165,548−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −871,309−100.0% | Sold out |
| Artisan Partners Limited Partnership | 0 | $0 | 0.00% | −469,442−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −440,253−100.0% | Sold out |
| Axiom Investors LLC | 0 | $0 | 0.00% | −314,864−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −284,896−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −197,271−100.0% | Sold out |
| Varma Mutual Pension Insurance Co | 0 | $0 | 0.00% | −126,800−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −120,000−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −78,486−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −66,628−100.0% | Sold out |
| 1492 Capital Management LLC | 0 | $0 | 0.00% | −51,953−100.0% | Sold out |
| Advisors Preferred, LLC | 0 | $0 | 0.00% | −32,050−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −24,462−100.0% | Sold out |
| Nissay Asset Management Corp | 0 | $0 | 0.00% | −21,872−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −15,200−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −12,612−100.0% | Sold out |
| Orion Portfolio Solutions, LLC | 0 | $0 | 0.00% | −12,612−100.0% | Sold out |
| Global X Japan Co., Ltd. | 0 | $0 | 0.00% | −12,437−100.0% | Sold out |
| Simplicity Wealth,LLC | 0 | $0 | 0.00% | −11,699−100.0% | Sold out |
| Bleakley Financial Group, LLC | 0 | $0 | 0.00% | −11,699−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −11,250−100.0% | Sold out |
| Synovus Financial Corp | 0 | $0 | 0.00% | −7,004−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −6,769−100.0% | Sold out |