RAMBUS INC RMBS
$112.92
-8.8% 52w: $59.38 – $170.66
Latest 13F among current holders filed 4 days ago (Jul 1, 2026)
Price — last 12 months
research preview data59.38115.02170.66
Jun 20, 2025 Jul 2, 2026
Institutional holders
553
+0 QoQ
13F value
$8.82B
-3.9% QoQ
Smart-money holders
28
signal tier ≥ 2
New smart buyers
16
Q1 2026
Options barometer
1.8×
$39.6M calls / $22.3M puts
Institutional value by quarter
Number of holders
Who owns RMBS?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 16.3M | $1.40B | 0.0% | +0.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 6.6M | $571.6M | 0.0% | — |
| Invesco Ltd. | Index provider | 6.5M | $559.1M | 0.1% | +56.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 4.8M | $415.3M | 0.0% | — |
| STATE STREET CORP | Index provider | 4.4M | $376.3M | 0.0% | +2.9% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 3.4M | $290.5M | 0.0% | -37.3% |
| FMR LLC | Long only active | 3.3M | $285.5M | 0.0% | +109.1% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 3.1M | $268.8M | 0.0% | +9.9% |
| T. Rowe Price Investment Management, Inc. | Long only active | 2.4M | $205.7M | 0.1% | +236.2% |
| EdgePoint Investment Group Inc. ★3 | Fundamental concentrated | 1.9M | $167.6M | 1.3% | +38.5% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 1.8M | $154.4M | 0.0% | -5.2% |
| JPMORGAN CHASE & CO | Bank broker | 1.8M | $146.4M | 0.0% | -11.1% |
| Swedbank AB | Other | 1.6M | $134.5M | 0.1% | +14.7% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 1.4M | $117.1M | 0.0% | +9.0% |
| NORTHERN TRUST CORP | Index provider | 1.3M | $114.8M | 0.0% | +1.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 1.3M | $114.1M | 0.0% | -0.1% |
| NEUBERGER BERMAN GROUP LLC | Diversified mechanical | 1.3M | $111.7M | 0.1% | -0.3% |
| CONGRESS ASSET MANAGEMENT CO | Other | 1.3M | $109.8M | 0.8% | -9.5% |
| MORGAN STANLEY | Bank broker | 1.2M | $104.4M | 0.0% | +37.1% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 1.3M | $104.0M | 0.0% | +75.8% |
| BARCLAYS PLC | Bank broker | 1.1M | $94.3M | 0.0% | +7.1% |
| BESSEMER GROUP INC | Diversified mechanical | 1.0M | $89.5M | 0.1% | +1009.5% |
| CITIGROUP INC | Bank broker | 1.0M | $86.7M | 0.1% | +100.5% |
| AMERIPRISE FINANCIAL INC | Bank broker | 975.2K | $83.9M | 0.0% | +72.1% |
| UBS Group AG | Bank broker | 956.4K | $82.3M | 0.0% | +109.9% |
| GOLDMAN SACHS GROUP INC | Bank broker | 922.1K | $79.3M | 0.0% | -22.8% |
| Nuveen, LLC | Diversified mechanical | 892.3K | $76.8M | 0.0% | -19.0% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 856.6K | $73.7M | 0.0% | -8.3% |
| Bank of New York Mellon Corp | Diversified mechanical | 779.9K | $67.1M | 0.0% | -28.7% |
| VOYA INVESTMENT MANAGEMENT LLC | Diversified mechanical | 765.8K | $65.9M | 0.1% | +5.7% |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 791.0K | $65.5M | 0.0% | -15.2% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 749.9K | $64.5M | 0.0% | — |
| Rafferty Asset Management, LLC | Index provider | 745.5K | $64.1M | 0.3% | -20.3% |
| Fisher Asset Management, LLC | Long only active | 738.4K | $63.5M | 0.0% | +42.7% |
| Hood River Capital Management LLC | Other | 727.5K | $62.6M | 0.6% | +2.6% |
| PointState Capital LP ★2 | Fundamental concentrated | 701.3K | $60.3M | 1.4% | New |
| LOOMIS SAYLES & CO L P | Other | 659.8K | $56.8M | 0.1% | -5.8% |
| Clearbridge Investments, LLC | Other | 583.3K | $50.2M | 0.0% | New |
| OBERWEIS ASSET MANAGEMENT INC/ | Other | 526.3K | $45.3M | 1.3% | +13.9% |
| EMERALD ADVISERS, LLC | Other | 493.2K | $42.4M | 1.3% | -21.3% |
| Caisse de depot et placement du Quebec | Other | 448.6K | $38.6M | 0.1% | +0.3% |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 436.4K | $37.5M | 0.1% | +0.4% |
| SCHWARTZ INVESTMENT COUNSEL INC | Other | 420.3K | $36.2M | 1.3% | +133.1% |
| Stephens Investment Management Group LLC | Other | 407.8K | $35.1M | 0.5% | +110.5% |
| LORD, ABBETT & CO. LLC | Other | 387.1K | $33.3M | 0.1% | -28.2% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 373.5K | $32.1M | 0.0% | -9.3% |
| WESTWOOD HOLDINGS GROUP INC | Other | 369.1K | $31.8M | 0.2% | +29.5% |
| JANUS HENDERSON GROUP PLC | Diversified mechanical | 358.9K | $30.9M | 0.0% | -5.4% |
| Champlain Investment Partners, LLC | Other | 357.2K | $30.7M | 0.4% | New |
| SEI INVESTMENTS CO | Diversified mechanical | 339.9K | $29.2M | 0.0% | -12.1% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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