Equibles

RMBS

Rambus Inc

Company with tickers: RMBS

CIK
917273
CUSIP
750917106
Shares Outstanding
108,136,967
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 521
Total Value: $8,141,884,949
Total Shares: 94,640,071
Showing 1–100 of 534 holdings by value · page 1 of 6

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 521 13F filers · Δ vs Dec 31, 2025
Top Holder
17.2%
−1.4 pts
Top 5
40.8%
+3.1 pts
Top 10
55.2%
+7.0 pts
HHI
516
Broadly held +12

Quarterly Activity

vs Dec 31, 2025
New
512
Increased
3
Decreased
6
Sold Out
543
Unchanged
0
Holder count: -31
Institutional value: +1.6%
Shares held: +8.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
Large Rockefeller Capital Management L.P. +95,041 95,452
Small Caitong International Asset Management Co., Ltd +11,121 11,997
Small SHP Wealth Management +8 112

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds
Mega GOLDMAN SACHS GROUP INC −272,286 922,105
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. −54,173 635
Mega HSBC HOLDINGS PLC −14,105 6,329
Mid INDEPENDENT FINANCIAL GROUP, LLC −370 6,525
Mid Hennion & Walsh Asset Management, Inc. −252 25,727

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Mega BlackRock, Inc. 16,305,306 $1,402,745,465
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 6,644,320 $571,610,849
Mega Invesco Ltd. 6,499,048 $559,113,092
Mega VANGUARD CAPITAL MANAGEMENT LLC 4,827,854 $415,340,279
Mega STATE STREET CORP 4,373,617 $376,262,270

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD)
Mega BlackRock, Inc. 16,275,186 $1,495,526,831
Mega PRICE T ROWE ASSOCIATES INC /MD/ 5,385,570 $494,880,027
Mega STATE STREET CORP 4,251,563 $390,676,124
Mega Invesco Ltd. 4,148,653 $381,219,717
Mega GEODE CAPITAL MANAGEMENT, LLC 2,842,715 $261,217,080
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mega BlackRock, Inc. $1,402,745,465 17.23% 16,305,306 View
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $571,610,849 7.02% 6,644,320 View
Mega Invesco Ltd. $559,113,092 6.87% 6,499,048 View
Mega VANGUARD CAPITAL MANAGEMENT LLC $415,340,279 5.10% 4,827,854 View
Mega STATE STREET CORP $376,262,270 4.62% 4,373,617 View
Mega PRICE T ROWE ASSOCIATES INC /MD/ $290,496,553 3.57% 3,376,689 View
Mega FMR LLC $285,486,165 3.51% 3,318,449 View
Mega GEODE CAPITAL MANAGEMENT, LLC $268,800,304 3.30% 3,124,495 View
Large EdgePoint Investment Group Inc. $167,564,244 2.06% 1,947,742 View
Mega JPMORGAN CHASE & CO $157,994,092 1.94% 1,836,500 View
Mega DIMENSIONAL FUND ADVISORS LP $154,449,227 1.90% 1,795,295 View
Large Swedbank AB $134,464,890 1.65% 1,563,000 View
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $114,110,364 1.40% 1,326,402 View
Mega NEUBERGER BERMAN GROUP LLC $112,025,598 1.38% 1,302,169 View
Large CONGRESS ASSET MANAGEMENT CO $109,772,387 1.35% 1,275,978 View
Mega AQR CAPITAL MANAGEMENT LLC $107,576,725 1.32% 1,250,456 View
Mega BARCLAYS PLC $94,263,155 1.16% 1,095,701 View
Large BESSEMER GROUP INC $89,463,020 1.10% 1,039,905 View
Mega CITIGROUP INC $86,679,353 1.06% 1,007,548 View
Mega AMERIPRISE FINANCIAL INC $83,897,227 1.03% 975,209 View
Mega UBS Group AG $82,277,971 1.01% 956,387 View
Mega GOLDMAN SACHS GROUP INC $79,328,691 0.97% 922,105 View
Mega Nuveen, LLC $76,767,751 0.94% 892,337 View
Mega WELLINGTON MANAGEMENT GROUP LLP $73,693,124 0.91% 856,598 View
Mega RAYMOND JAMES FINANCIAL INC $68,047,921 0.84% 790,979 View
Mega Bank of New York Mellon Corp $67,092,897 0.82% 779,878 View
Large VOYA INVESTMENT MANAGEMENT LLC $65,880,482 0.81% 765,785 View
Mega Fisher Asset Management, LLC $63,520,766 0.78% 738,356 View
Mid Hood River Capital Management LLC $62,586,308 0.77% 727,494 View
Mid PointState Capital LP $60,333,441 0.74% 701,307 View
Large LOOMIS SAYLES & CO L P $56,765,604 0.70% 659,835 View
Mega Clearbridge Investments, LLC $50,178,718 0.62% 583,270 View
Mid OBERWEIS ASSET MANAGEMENT INC/ $45,278,965 0.56% 526,316 View
Mid EMERALD ADVISERS, LLC $42,433,093 0.52% 493,236 View
Large Caisse de depot et placement du Quebec $38,592,627 0.47% 448,595 View
Large PANAGORA ASSET MANAGEMENT INC $37,546,158 0.46% 436,431 View
Mid SCHWARTZ INVESTMENT COUNSEL INC $36,161,592 0.44% 420,337 View
Mid Stephens Investment Management Group LLC $35,081,571 0.43% 407,783 View
Large LORD, ABBETT & CO. LLC $33,303,847 0.41% 387,119 View
Mega PRINCIPAL FINANCIAL GROUP INC $32,135,301 0.39% 373,536 View
Large WESTWOOD HOLDINGS GROUP INC $31,757,974 0.39% 369,150 View
Mega JANUS HENDERSON GROUP PLC $30,875,478 0.38% 358,892 View
Mid Champlain Investment Partners, LLC $30,731,894 0.38% 357,223 View
Large SEI INVESTMENTS CO $29,244,263 0.36% 339,931 View
Small Shannon River Fund Management LLC $28,718,276 0.35% 333,817 View
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $28,126,476 0.35% 326,938 View
Mega FRANKLIN RESOURCES INC $27,818,999 0.34% 323,364 View
Mega RHUMBLINE ADVISERS $27,493,467 0.34% 319,580 View
Mid TimesSquare Capital Management, LLC $26,872,330 0.33% 312,360 View
Mid EMERALD MUTUAL FUND ADVISERS TRUST $26,432,545 0.32% 307,248 View
Mega FIRST TRUST ADVISORS LP $26,432,201 0.32% 307,244 View
Mid Granahan Investment Management, LLC $24,109,563 0.30% 280,246 View
Mega ALLIANCEBERNSTEIN L.P. $22,986,269 0.28% 267,189 View
Mega BNP PARIBAS ARBITRAGE, SA $22,746,159 0.28% 264,398 View
Mid ArrowMark Colorado Holdings LLC $22,515,427 0.28% 261,716 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $21,593,530 0.27% 251,000 View
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $20,699,330 0.25% 240,606 View
Mega California Public Employees Retirement System $19,552,124 0.24% 227,271 View
Mid Ranger Investment Management, L.P. $19,302,120 0.24% 224,365 View
Large FEDERATED HERMES, INC. $18,530,861 0.23% 215,400 View
Mega Swiss National Bank $18,324,390 0.23% 213,000 View
Mega CANADA PENSION PLAN INVESTMENT BOARD $17,158,511 0.21% 199,448 View
Mega VICTORY CAPITAL MANAGEMENT INC $15,743,403 0.19% 182,999 View
Large HighTower Advisors, LLC $15,622,703 0.19% 181,596 View
Large Driehaus Capital Management LLC $14,965,176 0.18% 173,953 View
Large WCM INVESTMENT MANAGEMENT, LLC $14,196,498 0.17% 165,018 View
Large Thrivent Financial for Lutherans $13,941,763 0.17% 162,057 View
Mega Legal & General Group Plc $13,653,304 0.17% 158,704 View
Mega MORGAN STANLEY $13,638,679 0.17% 158,534 View
Mid SEGALL BRYANT & HAMILL, LLC $13,545,423 0.17% 157,450 View
Large DekaBank Deutsche Girozentrale $13,263,503 0.16% 154,173 View
Mid STEADFAST CAPITAL MANAGEMENT LP $13,184,097 0.16% 153,250 View
Large ASSETMARK, INC $12,694,070 0.16% 147,554 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $12,534,571 0.15% 145,700 View
Mega MILLENNIUM MANAGEMENT LLC $12,157,243 0.15% 141,314 View
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $12,137,541 0.15% 141,085 View
Mid AXIOM INVESTORS LLC /DE $11,977,870 0.15% 139,229 View
Large Man Group plc $11,969,525 0.15% 139,132 View
Large Mirae Asset Global Investments Co., Ltd. $11,551,506 0.14% 134,273 View
Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $11,408,524 0.14% 132,611 View
Large Retirement Systems of Alabama $11,353,551 0.14% 131,972 View
Large Russell Investments Group, Ltd. $11,174,607 0.14% 129,892 View
Mega WELLS FARGO & COMPANY/MN $10,744,199 0.13% 124,889 View
Mega TD Asset Management Inc $10,347,860 0.13% 120,282 View
Small Tairen Capital Ltd $10,323,600 0.13% 120,000 View
Large Handelsbanken Fonder AB $10,134,075 0.12% 117,797 View
Mid INTECH INVESTMENT MANAGEMENT LLC $9,838,993 0.12% 114,367 View
Large Janney Montgomery Scott LLC $9,515,520 0.12% 110,607 View
Mega JANE STREET GROUP, LLC $9,463,300 0.12% 110,000 View
Large MetLife Investment Management, LLC $9,448,932 0.12% 109,833 View
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $9,342,340 0.11% 108,594 View
Mega DEUTSCHE BANK AG\ $9,317,734 0.11% 108,308 View
Mega NORDEA INVESTMENT MANAGEMENT AB $9,295,970 0.11% 108,055 View
Mid RENAISSANCE GROUP LLC $9,101,543 0.11% 105,795 View
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE $8,809,730 0.11% 102,403 View
Large Creative Planning $8,802,589 0.11% 102,320 View
Mid DF DENT & CO INC $8,763,445 0.11% 101,865 View
Large LAZARD ASSET MANAGEMENT LLC $8,749,337 0.11% 101,701 View
Small Alight Capital Management LP $8,603,000 0.11% 100,000 View
Large Rockefeller Capital Management L.P. $8,211,734 0.10% 95,452 View
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