Rambus Inc
RMBS- 交易所
- Nasdaq
- 產業
- Semiconductors & Related Devices
- SEC CIK
- 0000917273
近 90 天，Rambus Inc 內部人申報 0 筆公開市場買進、2 筆賣出；2026 年第 2 季末有 621 家機構在 13F 申報持有，市值合計 $132.9 億；杜肯家族辦公室和Maverick 資本兩位大師持有。
2026 年第 1 季 13F 持有人
Rambus Inc 在 2026/3/31 季末的機構持股。管理 1 億美元以上美股的機構，每季結束後 45 天內要用 13F 申報多頭部位。13F 是什麼
- 持有機構
- 557
- 較 2025 年第 4 季 +11 家
- 持有股數
- 1.03 億
- 較 2025 年第 4 季 +1,702 萬 (+19.8%)
- 總市值
- $88.3 億
- 較 2025 年第 4 季 +$9.39 億 (+11.9%)
- 新進機構
- 85
- 另有 189 家加碼
- 清倉機構
- 74
- 另有 207 家減碼
另有 8 家機構在 2025 年第 4 季持有、還沒有申報 2026 年第 1 季 13F：沒申報不算清倉，也不計入上面的變化。
歷季持有家數與市值
2021 年第 1 季起，每季在 13F 申報持有 RMBS 的機構家數與合計市值。市值是各季季末的申報市值，也會跟著股價漲跌。
| 季度 | 家數 | 市值 |
|---|---|---|
| 2026 年第 2 季 | 621 | $132.9 億 |
| 2026 年第 1 季 | 557 | $88.3 億 |
| 2025 年第 4 季 | 554 | $91.8 億 |
| 2025 年第 3 季 | 513 | $102.9 億 |
| 2025 年第 2 季 | 459 | $62.2 億 |
| 2025 年第 1 季 | 413 | $50.1 億 |
| 2024 年第 4 季 | 395 | $50.3 億 |
| 2024 年第 3 季 | 376 | $39.4 億 |
| 2024 年第 2 季 | 363 | $56.4 億 |
| 2024 年第 1 季 | 375 | $60.0 億 |
| 2023 年第 4 季 | 400 | $66.2 億 |
| 2023 年第 3 季 | 350 | $54.8 億 |
| 2023 年第 2 季 | 393 | $61.4 億 |
| 2023 年第 1 季 | 337 | $48.1 億 |
| 2022 年第 4 季 | 303 | $32.7 億 |
| 2022 年第 3 季 | 241 | $23.8 億 |
| 2022 年第 2 季 | 253 | $20.7 億 |
| 2022 年第 1 季 | 276 | $29.8 億 |
| 2021 年第 4 季 | 258 | $28.0 億 |
| 2021 年第 3 季 | 236 | $20.7 億 |
| 2021 年第 2 季 | 219 | $23.0 億 |
| 2021 年第 1 季 | 213 | $18.6 億 |
2026 年第 1 季持有機構
每家機構持有 Rambus Inc 的股數、市值與佔組合比重；股數變化跟 2025 年第 4 季比。
| 機構 | 股數 | 市值 | 佔組合 % | 股數變化 | 動作 |
|---|---|---|---|---|---|
| First Trust Advisors LP | 307,244 | $2,643 萬 | 0.02% | +7,088+2.4% | 加碼 |
| Emerald Mutual Fund Advisers Trust | 307,248 | $2,643 萬 | 1.28% | −83,967−21.5% | 減碼 |
| TimesSquare Capital Management, LLC | 312,360 | $2,687 萬 | 0.46% | +312,360 | 新進 |
| Rhumbline Advisers | 319,580 | $2,749 萬 | 0.02% | +4,968+1.6% | 加碼 |
| Franklin Resources Inc | 323,364 | $2,782 萬 | 0.01% | −162,441−33.4% | 減碼 |
| Nomura Asset Management International Inc. | 326,938 | $2,813 萬 | 0.05% | +110,071+50.8% | 加碼 |
| Shannon River Fund Management LLC | 333,817 | $2,872 萬 | 5.48% | +333,817 | 新進 |
| SEI Investments Co | 339,931 | $2,924 萬 | 0.03% | −46,814−12.1% | 減碼 |
| Champlain Investment Partners, LLC | 357,223 | $3,073 萬 | 0.39% | +357,223 | 新進 |
| Janus Henderson Group PLC | 358,892 | $3,087 萬 | 0.01% | −20,623−5.4% | 減碼 |
| Westwood Holdings Group Inc. | 369,150 | $3,176 萬 | 0.23% | +84,077+29.5% | 加碼 |
| Principal Financial Group Inc | 373,536 | $3,214 萬 | 0.02% | −38,183−9.3% | 減碼 |
| Lord, Abbett & Co. LLC | 387,119 | $3,330 萬 | 0.11% | −151,909−28.2% | 減碼 |
| Stephens Investment Management Group LLC | 407,783 | $3,508 萬 | 0.48% | +214,081+110.5% | 加碼 |
| Schwartz Investment Counsel Inc | 420,337 | $3,616 萬 | 1.28% | +240,000+133.1% | 加碼 |
| Panagora Asset Management Inc | 436,431 | $3,755 萬 | 0.14% | +1,728+0.4% | 加碼 |
| Caisse de Depot Et Placement du Quebec | 448,595 | $3,859 萬 | 0.06% | +1,286+0.3% | 加碼 |
| Emerald Advisers, LLC | 493,236 | $4,243 萬 | 1.34% | −133,749−21.3% | 減碼 |
| Oberweis Asset Management Inc | 526,316 | $4,528 萬 | 1.34% | +64,216+13.9% | 加碼 |
| Clearbridge Investments, LLC | 583,270 | $5,018 萬 | 0.04% | +583,270 | 新進 |
| Loomis Sayles & Co L P | 659,835 | $5,677 萬 | 0.08% | −40,498−5.8% | 減碼 |
| PointState Capital LP | 701,307 | $6,033 萬 | 1.40% | +701,307 | 新進 |
| Hood River Capital Management LLC | 727,494 | $6,259 萬 | 0.63% | +18,648+2.6% | 加碼 |
| Fisher Asset Management, LLC | 738,356 | $6,352 萬 | 0.02% | +221,078+42.7% | 加碼 |
| Rafferty Asset Management, LLC | 745,519 | $6,414 萬 | 0.26% | −190,265−20.3% | 減碼 |
| Vanguard Fiduciary Trust Co | 749,880 | $6,451 萬 | 0.02% | +749,880 | 新進 |
| Raymond James Financial Inc | 790,979 | $6,547 萬 | 0.02% | −141,302−15.2% | 減碼 |
| Voya Investment Management LLC | 765,785 | $6,588 萬 | 0.07% | +41,577+5.7% | 加碼 |
| Bank of New York Mellon Corp | 779,878 | $6,709 萬 | 0.01% | −314,278−28.7% | 減碼 |
| Wellington Management Group LLP | 856,598 | $7,369 萬 | 0.01% | −77,336−8.3% | 減碼 |
| Nuveen, LLC | 892,337 | $7,677 萬 | 0.02% | −209,753−19.0% | 減碼 |
| Goldman Sachs Group Inc | 922,105 | $7,933 萬 | 0.01% | −272,286−22.8% | 減碼 |
| UBS Group AG | 956,387 | $8,228 萬 | 0.01% | +500,717+109.9% | 加碼 |
| Ameriprise Financial Inc | 975,209 | $8,390 萬 | 0.02% | +408,530+72.1% | 加碼 |
| Citigroup Inc | 1,007,548 | $8,668 萬 | 0.06% | +505,008+100.5% | 加碼 |
| Bessemer Group Inc | 1,039,905 | $8,946 萬 | 0.14% | +946,177+1,009.5% | 加碼 |
| Barclays PLC | 1,095,701 | $9,426 萬 | 0.03% | +72,717+7.1% | 加碼 |
| AQR Capital Management LLC | 1,250,456 | $1.04 億 | 0.05% | +539,330+75.8% | 加碼 |
| Morgan Stanley | 1,213,197 | $1.04 億 | 0.01% | +328,105+37.1% | 加碼 |
| Congress Asset Management Co | 1,275,978 | $1.10 億 | 0.79% | −134,637−9.5% | 減碼 |
| Neuberger Berman Group LLC | 1,302,169 | $1.12 億 | 0.09% | −3,782−0.3% | 減碼 |
| Charles Schwab Investment Management Inc | 1,326,402 | $1.14 億 | 0.02% | −1,291−0.1% | 減碼 |
| Northern Trust Corp | 1,334,095 | $1.15 億 | 0.02% | +18,544+1.4% | 加碼 |
| Bank of America Corp | 1,361,570 | $1.17 億 | 0.01% | +111,928+9.0% | 加碼 |
| Swedbank AB | 1,563,000 | $1.34 億 | 0.14% | +200,000+14.7% | 加碼 |
| JPMorgan Chase & Co | 1,836,500 | $1.46 億 | 0.01% | −228,843−11.1% | 減碼 |
| Dimensional Fund Advisors LP | 1,795,295 | $1.54 億 | 0.03% | −98,233−5.2% | 減碼 |
| EdgePoint Investment Group Inc. | 1,947,742 | $1.68 億 | 1.34% | +541,056+38.5% | 加碼 |
| T. Rowe Price Investment Management, Inc. | 2,391,020 | $2.06 億 | 0.14% | +1,703,180+247.6% | 加碼 |
| Geode Capital Management, LLC | 3,124,495 | $2.69 億 | 0.02% | +281,780+9.9% | 加碼 |
| FMR LLC | 3,318,449 | $2.85 億 | 0.02% | +1,731,420+109.1% | 加碼 |
| Price T Rowe Associates Inc | 3,376,689 | $2.90 億 | 0.03% | −2,008,881−37.3% | 減碼 |
| State Street Corp | 4,373,617 | $3.76 億 | 0.01% | +122,054+2.9% | 加碼 |
| Vanguard Capital Management LLC | 4,827,854 | $4.15 億 | 0.01% | +4,827,854 | 新進 |
| Invesco Ltd. | 6,499,048 | $5.59 億 | 0.05% | +2,350,395+56.7% | 加碼 |
| Vanguard Portfolio Management LLC | 6,644,320 | $5.72 億 | 0.03% | +6,644,320 | 新進 |
| BlackRock, Inc. | 16,305,306 | $14.0 億 | 0.02% | +30,120+0.2% | 加碼 |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −316,397−100.0% | 清倉 |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −305,209−100.0% | 清倉 |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −101,605−100.0% | 清倉 |
| Castleark Management LLC | 0 | $0 | 0.00% | −95,578−100.0% | 清倉 |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −88,990−100.0% | 清倉 |
| Trexquant Investment LP | 0 | $0 | 0.00% | −74,943−100.0% | 清倉 |
| EAM Investors, LLC | 0 | $0 | 0.00% | −60,957−100.0% | 清倉 |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −55,600−100.0% | 清倉 |
| M37 Management LP | 0 | $0 | 0.00% | −50,000−100.0% | 清倉 |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −46,700−100.0% | 清倉 |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −30,021−100.0% | 清倉 |
| F/M Investments LLC | 0 | $0 | 0.00% | −26,710−100.0% | 清倉 |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −24,177−100.0% | 清倉 |
| PEAK6 LLC | 0 | $0 | 0.00% | −17,648−100.0% | 清倉 |
| Epoch Investment Partners, Inc. | 0 | $0 | 0.00% | −17,603−100.0% | 清倉 |
| GF Fund Management Co. Ltd. | 0 | $0 | 0.00% | −15,975−100.0% | 清倉 |
| Credit Agricole S A | 0 | $0 | 0.00% | −15,114−100.0% | 清倉 |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −14,091−100.0% | 清倉 |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −12,810−100.0% | 清倉 |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −11,739−100.0% | 清倉 |
| Encompass More Asset Management | 0 | $0 | 0.00% | −10,349−100.0% | 清倉 |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −10,330−100.0% | 清倉 |
| Vestmark Advisory Solutions, Inc. | 0 | $0 | 0.00% | −9,992−100.0% | 清倉 |
| FirstWave Capital Management LLC | 0 | $0 | 0.00% | −9,933−100.0% | 清倉 |
| GTS Securities LLC | 0 | $0 | 0.00% | −9,846−100.0% | 清倉 |
| Sigma Planning Corp | 0 | $0 | 0.00% | −9,460−100.0% | 清倉 |
| Diametric Capital, LP | 0 | $0 | 0.00% | −6,991−100.0% | 清倉 |
| Axq Capital, LP | 0 | $0 | 0.00% | −6,742−100.0% | 清倉 |
| Integrated Advisors Network LLC | 0 | $0 | 0.00% | −6,475−100.0% | 清倉 |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −6,316−100.0% | 清倉 |
| VGI Partners Ltd | 0 | $0 | 0.00% | −6,000−100.0% | 清倉 |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −5,648−100.0% | 清倉 |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −5,496−100.0% | 清倉 |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −4,367−100.0% | 清倉 |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −4,091−100.0% | 清倉 |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −3,891−100.0% | 清倉 |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,884−100.0% | 清倉 |
| Oak Ridge Investments LLC | 0 | $0 | 0.00% | −3,828−100.0% | 清倉 |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −3,574−100.0% | 清倉 |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −3,505−100.0% | 清倉 |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −3,494−100.0% | 清倉 |
| City Center Advisors, LLC | 0 | $0 | 0.00% | −3,338−100.0% | 清倉 |
| Journey Retirement Planning & Investment Management LLC | 0 | $0 | 0.00% | −3,312−100.0% | 清倉 |