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, Q2 2021
Institutional positions in Rambus Inc as of Jun 30, 2021. 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
- 219
- +6 vs. Q1 2021
- Shares held
- 97.1M
- +1.31M (+1.4%) vs. Q1 2021
- Total value
- $2.30B
- +$439.4M (+23.6%) vs. Q1 2021
- New holders
- 37
- 74 more added
- Sold out
- 31
- 68 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Richard Bernstein Advisors LLC | 49,951 | $1.18M | 0.02% | 00.0% | Unchanged |
| Jane Street Group, LLC | 45,957 | $1.09M | 0.00% | +20,213+78.5% | Added |
| Oregon Public Employees Retirement Fund | 45,562 | $1.08M | 0.01% | −1,044−2.2% | Reduced |
| Guggenheim Capital LLC | 43,698 | $1.04M | 0.01% | +43,698 | New |
| Boston Partners | 38,639 | $916.0K | 0.00% | +38,639 | New |
| Bank of Montreal | 37,949 | $906.0K | 0.00% | −245,039−86.6% | Reduced |
| MetLife Investment Management | 37,951 | $899.8K | 0.01% | 00.0% | Unchanged |
| HRT Financial LP | 37,036 | $878.0K | 0.01% | +37,036 | New |
| Royce & Associates LP | 36,981 | $877.0K | 0.01% | −8,985−19.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 32,312 | $766.0K | 0.01% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 32,200 | $763.0K | 0.01% | −9,000−21.8% | Reduced |
| ProShare Advisors LLC | 32,137 | $762.0K | 0.00% | −1,471−4.4% | Reduced |
| Metropolitan Life Insurance Co | 31,432 | $745.3K | 0.01% | +2,098+7.2% | Added |
| ETF Managers Group, LLC | 30,906 | $737.0K | 0.01% | −11,263−26.7% | Reduced |
| Arizona State Retirement System | 30,967 | $734.0K | 0.01% | −2,196−6.6% | Reduced |
| Winton Group Ltd | 30,677 | $727.0K | 0.04% | +2,744+9.8% | Added |
| Price T Rowe Associates Inc | 27,975 | $663.0K | 0.00% | +1,908+7.3% | Added |
| Handelsbanken Fonder AB | 26,297 | $624.0K | 0.00% | +9,900+60.4% | Added |
| Boothbay Fund Management, LLC | 25,690 | $609.0K | 0.03% | −107,557−80.7% | Reduced |
| Wexford Capital LP | 22,660 | $537.0K | 0.08% | −71,800−76.0% | Reduced |
| CWM Advisors, LLC | 21,120 | $501.0K | 0.07% | +640+3.1% | Added |
| Martingale Asset Management L P | 20,874 | $496.0K | 0.01% | −6,400−23.5% | Reduced |
| Raymond James & Associates | 20,927 | $496.0K | 0.00% | +20,927 | New |
| IndexIQ Advisors LLC | 20,811 | $493.0K | 0.02% | −104−0.5% | Reduced |
| Yorktown Management & Research Co Inc | 19,600 | $465.0K | 0.36% | +2,600+15.3% | Added |
| Public Employees Retirement Association of Colorado | 19,581 | $464.0K | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 19,546 | $463.0K | 0.02% | −9,905−33.6% | Reduced |
| Quantinno Capital Management LP | 19,148 | $454.0K | 0.51% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 17,153 | $409.0K | 0.01% | +4,143+31.8% | Added |
| Atom Investors LP | 16,962 | $402.0K | 0.08% | +16,962 | New |
| Natixis Advisors, L.P. | 16,587 | $393.0K | 0.00% | +2,747+19.8% | Added |
| HSBC Holdings PLC | 16,345 | $388.0K | 0.00% | +792+5.1% | Added |
| Gyon Technologies Capital Management, LP | 16,278 | $386.0K | 0.13% | +16,278 | New |
| Mutual of America Capital Management LLC | 15,995 | $379.0K | 0.00% | +1,073+7.2% | Added |
| Parallel Advisors, LLC | 15,894 | $377.0K | 0.02% | +54+0.3% | Added |
| BNC Wealth Management, LLC | 15,505 | $368.0K | 0.22% | −119−0.8% | Reduced |
| Quantbot Technologies LP | 15,329 | $363.0K | 0.03% | +15,329 | New |
| Sawtooth Solutions, LLC | 15,223 | $361.0K | 0.07% | +1,382+10.0% | Added |
| Capital Fund Management S.A. | 15,186 | $360.1K | 0.01% | +4,659+44.3% | Added |
| AlphaCrest Capital Management LLC | 15,088 | $358.0K | 0.02% | −87,791−85.3% | Reduced |
| Teacher Retirement System of Texas | 14,860 | $352.0K | 0.00% | +2,231+17.7% | Added |
| Envestnet Asset Management Inc | 14,814 | $351.0K | 0.00% | +1,297+9.6% | Added |
| Squarepoint Ops LLC | 14,660 | $348.0K | 0.00% | −41,125−73.7% | Reduced |
| Robeco Institutional Asset Management B.V. | 14,605 | $346.0K | 0.00% | −13,591−48.2% | Reduced |
| Profund Advisors LLC | 14,034 | $333.0K | 0.01% | +661+4.9% | Added |
| Everence Capital Management Inc | 13,445 | $319.0K | 0.03% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 11,944 | $283.0K | 0.02% | +1,222+11.4% | Added |
| Cornerstone Investment Partners, LLC | 11,905 | $282.0K | 0.01% | +11,905 | New |
| Crossmark Global Holdings, Inc. | 11,470 | $272.0K | 0.01% | +280+2.5% | Added |
| Cetera Advisor Networks LLC | 11,488 | $272.0K | 0.00% | +1,288+12.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,223 | $266.0K | 0.00% | +157+1.4% | Added |
| Tatro Capital, LLC | 10,669 | $253.0K | 0.17% | +10,669 | New |
| Cambridge Investment Research Advisors, Inc. | 10,100 | $239.0K | 0.00% | +10,100 | New |
| Rockland Trust Co | 9,992 | $237.0K | 0.02% | +9,992 | New |
| Advisor Group Holdings, Inc. | 9,743 | $230.0K | 0.00% | −871−8.2% | Reduced |
| CIBC Asset Management Inc | 9,721 | $230.0K | 0.00% | +9,721 | New |
| Miracle Mile Advisors, LLC | 9,301 | $221.0K | 0.01% | +9,301 | New |
| Contravisory Investment Management, Inc. | 8,959 | $212.0K | 0.06% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 8,773 | $208.0K | 0.00% | −6,475−42.5% | Reduced |
| Ameritas Investment Partners, Inc. | 8,788 | $208.0K | 0.01% | −874−9.0% | Reduced |
| First Citizens Bank & Trust Co | 8,448 | $200.0K | 0.01% | +8,448 | New |
| Harbour Investments, Inc. | 8,118 | $192.0K | 0.01% | +13+0.2% | Added |
| Captrust Financial Advisors | 7,179 | $170.0K | 0.00% | −59−0.8% | Reduced |
| Panagora Asset Management Inc | 5,991 | $142.0K | 0.00% | −10,673−64.0% | Reduced |
| The PNC Financial Services Group, Inc. | 5,531 | $132.0K | 0.00% | −115−2.0% | Reduced |
| Pinz Capital Management, LP | 5,200 | $123.0K | 0.04% | +5,200 | New |
| Arkadios Wealth Advisors | 4,545 | $107.0K | 0.01% | +4,545 | New |
| Nisa Investment Advisors, LLC | 4,460 | $106.0K | 0.00% | +560+14.4% | Added |
| Eaton Vance Management | 4,171 | $99.0K | 0.00% | +3,371+421.4% | Added |
| KBC Group NV | 3,955 | $94.0K | 0.00% | 00.0% | Unchanged |
| Bollard Group LLC | 3,760 | $89.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,534 | $84.0K | 0.00% | −12,856−78.4% | Reduced |
| HHM Wealth Advisors, LLC | 3,500 | $83.0K | 0.02% | 00.0% | Unchanged |
| Macquarie Group Ltd | 3,025 | $72.0K | 0.00% | 00.0% | Unchanged |
| Sutton Wealth Advisors Inc. | 2,811 | $66.6K | 0.02% | 00.0% | Unchanged |
| IFP Advisors, Inc | 2,347 | $56.0K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 1,889 | $45.0K | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 1,917 | $45.0K | 0.00% | +1,917 | New |
| Northwestern Mutual Wealth Management Co | 1,867 | $44.0K | 0.00% | +120+6.9% | Added |
| Fieldpoint Private Securities, LLC | 1,710 | $42.0K | 0.01% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 1,738 | $41.0K | 0.02% | −132−7.1% | Reduced |
| UBS Group AG | 1,373 | $33.0K | 0.00% | −64,486−97.9% | Reduced |
| Newbridge Financial Services Group, Inc. | 1,300 | $31.0K | 0.02% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 1,015 | $24.0K | 0.00% | 00.0% | Unchanged |
| Sonora Investment Management, LLC | 1,000 | $24.0K | 0.00% | +1,000 | New |
| Benjamin F. Edwards & Company, Inc. | 1,000 | $24.0K | 0.00% | +1,000 | New |
| Rockefeller Capital Management L.P. | 991 | $23.0K | 0.00% | 00.0% | Unchanged |
| Baillie Gifford & Co | 699 | $17.0K | 0.00% | 00.0% | Unchanged |
| Sageworth Trust Co | 620 | $15.0K | 0.00% | +620 | New |
| Harvest Fund Management Co., Ltd | 577 | $13.0K | 0.00% | −850−59.6% | Reduced |
| Proequities, Inc. | 500 | $12.0K | 0.00% | +500 | New |
| Parkside Financial Bank & Trust | 435 | $10.0K | 0.00% | +22+5.3% | Added |
| Advisory Services Network, LLC | 431 | $10.0K | 0.00% | +431 | New |
| Riggs Asset Managment Co. Inc. | 400 | $9.00K | 0.00% | 00.0% | Unchanged |
| Centerpoint Advisors, LLC | 400 | $9.00K | 0.00% | 00.0% | Unchanged |
| Tradewinds Capital Management, LLC | 296 | $7.00K | 0.00% | 00.0% | Unchanged |
| Wealth Quarterback LLC | 254 | $7.00K | 0.00% | +254 | New |
| Tradition Wealth Management, LLC | 300 | $7.00K | 0.00% | +300 | New |
| CWM, LLC | 250 | $6.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 262 | $6.00K | 0.00% | 00.0% | Unchanged |