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 620 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。
2025 年第 4 季 13F 持有人
Rambus Inc 在 2025/12/31 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
- 554
- 較 2025 年第 3 季 +50 家
- 持有股數
- 9,984 萬
- 較 2025 年第 3 季 +142.3 萬 (+1.4%)
- 總市值
- $91.8 億
- 較 2025 年第 3 季 −$10.8 億 (−10.5%)
- 新進機構
- 103
- 另有 190 家加碼
- 清倉機構
- 53
- 另有 195 家減碼
另有 9 家機構在 2025 年第 3 季持有、還沒有申報 2025 年第 4 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 | 620 | $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 |
2025 年第 4 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 3 季比。
| 機構 | 股數 | 市值 | 佔組合 % | 股數變化 | 動作 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16,275,186 | $15.0 億 | 0.03% | +466,493+3.0% | 加碼 |
| Vanguard Group Inc | 12,290,929 | $11.3 億 | 0.02% | −410,844−3.2% | 減碼 |
| Price T Rowe Associates Inc | 5,385,570 | $4.95 億 | 0.05% | +140,226+2.7% | 加碼 |
| State Street Corp | 4,251,563 | $3.91 億 | 0.01% | −138,422−3.2% | 減碼 |
| Invesco Ltd. | 4,148,653 | $3.81 億 | 0.04% | +1,716,621+70.6% | 加碼 |
| Geode Capital Management, LLC | 2,842,715 | $2.61 億 | 0.02% | +94,214+3.4% | 加碼 |
| JPMorgan Chase & Co | 2,065,343 | $1.90 億 | 0.01% | −491,495−19.2% | 減碼 |
| Alliancebernstein L.P. | 1,900,308 | $1.75 億 | 0.06% | +78,278+4.3% | 加碼 |
| Dimensional Fund Advisors LP | 1,893,528 | $1.74 億 | 0.04% | −35,169−1.8% | 減碼 |
| Norges Bank | 1,701,551 | $1.56 億 | 0.02% | +1,701,551 | 新進 |
| FMR LLC | 1,587,029 | $1.46 億 | 0.01% | +213,505+15.5% | 加碼 |
| Congress Asset Management Co | 1,410,615 | $1.30 億 | 0.91% | +63,430+4.7% | 加碼 |
| EdgePoint Investment Group Inc. | 1,406,686 | $1.29 億 | 1.06% | −1,276,270−47.6% | 減碼 |
| Swedbank AB | 1,363,000 | $1.25 億 | 0.12% | −337,000−19.8% | 減碼 |
| Charles Schwab Investment Management Inc | 1,327,693 | $1.22 億 | 0.02% | −11,221−0.8% | 減碼 |
| Northern Trust Corp | 1,315,551 | $1.21 億 | 0.02% | −70,323−5.1% | 減碼 |
| Neuberger Berman Group LLC | 1,305,951 | $1.20 億 | 0.09% | −176,057−11.9% | 減碼 |
| Bank of America Corp | 1,249,642 | $1.15 億 | 0.01% | −301,023−19.4% | 減碼 |
| Goldman Sachs Group Inc | 1,194,391 | $1.10 億 | 0.02% | +7,258+0.6% | 加碼 |
| Nuveen, LLC | 1,102,090 | $1.01 億 | 0.03% | −181,035−14.1% | 減碼 |
| Bank of New York Mellon Corp | 1,094,156 | $1.01 億 | 0.02% | −504,182−31.5% | 減碼 |
| Barclays PLC | 1,022,984 | $9,400 萬 | 0.04% | +128,078+14.3% | 加碼 |
| Driehaus Capital Management LLC | 954,164 | $8,768 萬 | 0.60% | +954,164 | 新進 |
| Raymond James Financial Inc | 932,281 | $8,710 萬 | 0.03% | −258,039−21.7% | 減碼 |
| Rafferty Asset Management, LLC | 935,784 | $8,599 萬 | 0.30% | +34,034+3.8% | 加碼 |
| Wellington Management Group LLP | 933,934 | $8,582 萬 | 0.02% | +183,488+24.5% | 加碼 |
| Morgan Stanley | 885,092 | $8,133 萬 | 0.00% | −180,712−17.0% | 減碼 |
| Voya Investment Management LLC | 724,208 | $6,655 萬 | 0.07% | −44,330−5.8% | 減碼 |
| AQR Capital Management LLC | 711,126 | $6,535 萬 | 0.03% | +163,522+29.9% | 加碼 |
| Hood River Capital Management LLC | 708,846 | $6,514 萬 | 0.71% | −129,594−15.5% | 減碼 |
| Loomis Sayles & Co L P | 700,333 | $6,435 萬 | 0.08% | +90,180+14.8% | 加碼 |
| T. Rowe Price Investment Management, Inc. | 687,840 | $6,321 萬 | 0.04% | −41,207−5.7% | 減碼 |
| Emerald Advisers, LLC | 626,985 | $5,761 萬 | 1.78% | −10,769−1.7% | 減碼 |
| Ameriprise Financial Inc | 566,679 | $5,207 萬 | 0.01% | +106,575+23.2% | 加碼 |
| Allspring Global Investments Holdings, LLC | 522,226 | $5,185 萬 | 0.08% | +26,773+5.4% | 加碼 |
| Lord, Abbett & Co. LLC | 539,028 | $4,953 萬 | 0.15% | −207,648−27.8% | 減碼 |
| Fisher Asset Management, LLC | 517,278 | $4,753 萬 | 0.02% | +364,396+238.4% | 加碼 |
| Citigroup Inc | 502,540 | $4,618 萬 | 0.03% | +132,199+35.7% | 加碼 |
| Franklin Resources Inc | 485,805 | $4,464 萬 | 0.01% | +13,456+2.8% | 加碼 |
| Canada Pension Plan Investment Board | 466,600 | $4,288 萬 | 0.03% | +212,000+83.3% | 加碼 |
| Oberweis Asset Management Inc | 462,100 | $4,246 萬 | 1.55% | −45,799−9.0% | 減碼 |
| UBS Group AG | 455,670 | $4,187 萬 | 0.01% | −110,135−19.5% | 減碼 |
| Caisse de Depot Et Placement du Quebec | 447,309 | $4,110 萬 | 0.07% | +66,705+17.5% | 加碼 |
| Panagora Asset Management Inc | 434,703 | $3,994 萬 | 0.14% | −3,414−0.8% | 減碼 |
| Principal Financial Group Inc | 411,719 | $3,783 萬 | 0.02% | −61,255−13.0% | 減碼 |
| Emerald Mutual Fund Advisers Trust | 391,215 | $3,595 萬 | 1.75% | 00.0% | 不變 |
| SEI Investments Co | 386,745 | $3,554 萬 | 0.04% | +106,192+37.9% | 加碼 |
| Janus Henderson Group PLC | 379,515 | $3,487 萬 | 0.02% | −4,489−1.2% | 減碼 |
| Westfield Capital Management Co LP | 362,092 | $3,327 萬 | 0.14% | −122,373−25.3% | 減碼 |
| William Blair Investment Management, LLC | 316,397 | $2,907 萬 | 0.08% | +25,215+8.7% | 加碼 |
| Rhumbline Advisers | 314,612 | $2,891 萬 | 0.02% | −29,775−8.6% | 減碼 |
| Public Sector Pension Investment Board | 305,209 | $2,805 萬 | 0.09% | +305,209 | 新進 |
| First Trust Advisors LP | 300,156 | $2,758 萬 | 0.02% | +99,611+49.7% | 加碼 |
| Lazard Asset Management LLC | 297,870 | $2,737 萬 | 0.05% | −1,058−0.4% | 減碼 |
| Westwood Holdings Group Inc. | 285,073 | $2,620 萬 | 0.21% | +50,016+21.3% | 加碼 |
| ArrowMark Colorado Holdings LLC | 272,010 | $2,499 萬 | 0.55% | +272,010 | 新進 |
| Granahan Investment Management Inc | 265,516 | $2,440 萬 | 1.04% | +27,073+11.4% | 加碼 |
| Millennium Management LLC | 262,578 | $2,413 萬 | 0.02% | +65,346+33.1% | 加碼 |
| Silvercrest Asset Management Group LLC | 249,986 | $2,297 萬 | 0.16% | −214,903−46.2% | 減碼 |
| BNP Paribas Arbitrage, SA | 246,494 | $2,265 萬 | 0.01% | +81,183+49.1% | 加碼 |
| UBS Asset Management Americas Inc | 244,344 | $2,245 萬 | 0.00% | −9,562−3.8% | 減碼 |
| MetLife Investment Management | 240,162 | $2,207 萬 | 0.11% | −5,650−2.3% | 減碼 |
| Advisor Group Holdings, Inc. | 217,072 | $1,995 萬 | 0.03% | −7,583−3.4% | 減碼 |
| Wells Fargo & Company | 216,914 | $1,993 萬 | 0.00% | +35,934+19.9% | 加碼 |
| Nomura Asset Management International Inc. | 216,867 | $1,993 萬 | 0.03% | +216,867 | 新進 |
| Prudential Financial Inc | 213,642 | $1,963 萬 | 0.02% | −7,379−3.3% | 減碼 |
| Swiss National Bank | 212,200 | $1,950 萬 | 0.01% | +4,000+1.9% | 加碼 |
| Algert Global LLC | 202,222 | $1,858 萬 | 0.29% | +79,835+65.2% | 加碼 |
| California Public Employees Retirement System | 196,207 | $1,803 萬 | 0.01% | +116+0.1% | 加碼 |
| Stephens Investment Management Group LLC | 193,702 | $1,780 萬 | 0.23% | +311+0.2% | 加碼 |
| Schwartz Investment Counsel Inc | 180,337 | $1,657 萬 | 0.58% | −50,000−21.7% | 減碼 |
| WCM Investment Management, LLC | 172,366 | $1,632 萬 | 0.03% | −126,514−42.3% | 減碼 |
| Legal & General Group Plc | 177,596 | $1,632 萬 | 0.00% | −42,118−19.2% | 減碼 |
| Glenmede Trust Co NA | 172,534 | $1,585 萬 | 0.08% | +172,534 | 新進 |
| Citadel Advisors LLC | 169,902 | $1,561 萬 | 0.01% | +101,199+147.3% | 加碼 |
| Acadian Asset Management LLC | 169,421 | $1,556 萬 | 0.03% | +8,293+5.1% | 加碼 |
| Axiom Investors LLC | 163,242 | $1,500 萬 | 0.13% | +163,242 | 新進 |
| Man Group plc | 162,940 | $1,497 萬 | 0.03% | +28,565+21.3% | 加碼 |
| HighTower Advisors, LLC | 157,470 | $1,447 萬 | 0.02% | +3,441+2.2% | 加碼 |
| Mirae Asset Global Investments Co., Ltd. | 157,148 | $1,444 萬 | 0.04% | +27,472+21.2% | 加碼 |
| Bridgewater Associates, LP | 154,296 | $1,418 萬 | 0.05% | −20,818−11.9% | 減碼 |
| Mirae Asset Global ETFs Holdings Ltd. | 150,124 | $1,379 萬 | 0.02% | −2,409−1.6% | 減碼 |
| Van Eck Associates Corp | 147,123 | $1,352 萬 | 0.01% | −5,389−3.5% | 減碼 |
| Two Sigma Investments, LP | 144,403 | $1,327 萬 | 0.02% | +66,513+85.4% | 加碼 |
| Russell Investments Group, Ltd. | 142,390 | $1,308 萬 | 0.01% | −5,881−4.0% | 減碼 |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 137,692 | $1,272 萬 | 0.02% | +85,257+162.6% | 加碼 |
| Mutual of America Capital Management LLC | 136,390 | $1,253 萬 | 0.13% | −5,484−3.9% | 減碼 |
| Federated Hermes, Inc. | 129,360 | $1,189 萬 | 0.02% | +19,519+17.8% | 加碼 |
| Retirement Systems of Alabama | 129,198 | $1,187 萬 | 0.04% | −890−0.7% | 減碼 |
| Janney Montgomery Scott LLC | 122,562 | $1,126 萬 | 0.03% | +122,562 | 新進 |
| Nordea Investment Management AB | 120,976 | $1,120 萬 | 0.01% | −18,454−13.2% | 減碼 |
| Intech Investment Management LLC | 120,052 | $1,103 萬 | 0.10% | +55,481+85.9% | 加碼 |
| Manufacturers Life Insurance Company, The | 113,988 | $1,049 萬 | 0.01% | −1,382−1.2% | 減碼 |
| Assetmark, Inc | 110,754 | $1,018 萬 | 0.02% | −10,395−8.6% | 減碼 |
| Renaissance Group LLC | 108,775 | $999.5 萬 | 0.40% | +308+0.3% | 加碼 |
| Segall Bryant & Hamill, LLC | 108,429 | $996.4 萬 | 0.13% | −139,650−56.3% | 減碼 |
| DekaBank Deutsche Girozentrale | 154,173 | $952.2 萬 | 0.02% | 00.0% | 不變 |
| Schroder Investment Management Group | 99,055 | $938.0 萬 | 0.01% | −44,038−30.8% | 減碼 |
| Tudor Investment Corp Et Al | 101,605 | $933.6 萬 | 0.05% | +101,605 | 新進 |
| State of Wisconsin Investment Board | 101,320 | $931.0 萬 | 0.02% | −13,674−11.9% | 減碼 |