Security record · archived quarter
RMBS
Rambus Inc. · Technology · Semiconductors
140Tracked holders
0Δ holders
82.50MShares held
$7.59BReported value
+2New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -2.7% · net new positions +0.7% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 186.25K | $16.07M | n/a | −1 |
| Q2 2026 | 139 | +6 | 78.25M | $10.35B | +12 | −7 |
| Q1 2026 | 137 | -4 | 75.08M | $6.44B | +5 | −10 |
| Q4 2025 | 140 | 0 | 82.50M | $7.59B | +2 | −1 |
| Q3 2025 | 21 | +3 | 52.09M | $5.43B | +3 | −1 |
| Q2 2025 | 16 | 0 | 44.72M | $2.86B | +1 | −1 |
| Q1 2025 | 13 | -3 | 20.22M | $1.05B | n/a | −3 |
| Q4 2024 | 16 | +1 | 18.03M | $953.00M | +1 | n/a |
| Q3 2024 | 14 | +2 | 9.95M | $420.01M | +2 | n/a |
| Q2 2024 | 12 | n/a | 12.20M | $716.28M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 16.28M | +3.0% | $1.50B | 0.0% | ▲ Add | 3 | SEC ↗ ×18 |
| 2 | The Vanguard Group ✦ (passive) | 12.29M | -3.2% | $1.13B | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 3 | T. Rowe Price ✦ | 5.39M | +2.7% | $494.88M | 0.1% | ▲ Add | 7 | SEC ↗ ×2 |
| 4 | State Street Global Advisors ✦ (passive) | 4.25M | -3.1% | $390.68M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | Invesco Ltd. | 4.15M | n/a | $381.22M | 0.0% | n/c | 1 | SEC ↗ ×13 |
| 6 | Geode Capital Management ✦ (passive) | 2.84M | +3.4% | $261.26M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 7 | JPMorgan Chase ✦ | 2.07M | -59.6% | $189.78M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 8 | Alliancebernstein L.P. | 1.90M | n/a | $174.62M | 0.1% | n/c | 1 | SEC ↗ |
| 9 | Dimensional Fund Advisors Lp | 1.89M | n/a | $174.01M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 10 | Norges Bank ✦ (passive) | 1.70M | New | $156.36M | 0.0% | New | 1 | SEC ↗ |
| 11 | Fidelity (FMR) ✦ | 1.59M | +15.5% | $145.83M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 12 | Swedbank AB | 1.36M | n/a | $125.25M | 0.1% | n/c | 1 | SEC ↗ |
| 13 | Charles Schwab Investment… | 1.33M | n/a | $122.00M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Northern Trust Corp | 1.32M | n/a | $120.89M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 15 | Neuberger Berman Group LLC | 1.31M | n/a | $120.15M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 16 | Bank Of America Corp /De/ | 1.25M | n/a | $114.83M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 17 | Goldman Sachs Group ✦ | 1.19M | +0.6% | $109.75M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 18 | Nuveen, LLC | 1.10M | n/a | $101.27M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 19 | Bank of New York Mellon Corp | 1.09M | n/a | $100.54M | 0.0% | n/c | 1 | SEC ↗ ×15 |
| 20 | Barclays Plc | 1.02M | n/a | $94.00M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 21 | Raymond James Financial Inc | 932.28K | n/a | $87.10M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 22 | Wellington Management ✦ | 933.93K | +24.4% | $85.82M | 0.0% | ▲ Add | 7 | SEC ↗ ×4 |
| 23 | Morgan Stanley ✦ | 885.09K | -17.0% | $81.33M | 0.0% | ▼ Trim | 2 | SEC ↗ ×12 |
| 24 | Voya Investment Management Llc | 724.21K | n/a | $66.55M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 25 | AQR Capital Management ✦ | 711.13K | +29.9% | $65.35M | 0.0% | ▲ Add | 7 | SEC ↗ ×6 |
| 26 | Loomis Sayles & Co L P | 700.33K | n/a | $64.35M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 27 | Ameriprise Financial Inc | 566.68K | n/a | $52.07M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 28 | Allspring Global Investments… | 522.23K | n/a | $51.85M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 29 | Fisher Asset Management ✦ | 517.28K | +238.3% | $47.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Citigroup Inc | 502.54K | n/a | $46.18M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 31 | Franklin Resources Inc | 485.81K | n/a | $44.64M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 32 | Canada Pension Plan Investment Board | 466.60K | n/a | $42.88M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | UBS Group AG | 455.67K | n/a | $41.87M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 34 | Caisse De Depot Et Placement Du… | 447.31K | n/a | $41.10M | 0.1% | n/c | 1 | SEC ↗ |
| 35 | Principal Financial Group Inc | 411.72K | n/a | $37.83M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 36 | Sei Investments Co | 386.75K | n/a | $35.54M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 37 | Janus Henderson Group Plc | 379.51K | n/a | $34.87M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 38 | Rhumbline Advisers | 314.61K | n/a | $28.91M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | First Trust Advisors Lp | 300.16K | n/a | $27.58M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Lazard Asset Management Llc | 297.87K | n/a | $27.37M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Millennium Management ✦ | 262.58K | +33.1% | $24.13M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 42 | Bnp Paribas Financial Markets | 246.49K | n/a | $22.65M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | UBS AM, a distinct business unit of… | 244.34K | n/a | $22.45M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 44 | Osaic Holdings, Inc. | 217.07K | n/a | $19.95M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 45 | Wells Fargo & Company/Mn | 216.91K | n/a | $19.93M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 46 | Nomura Asset Management… | 216.87K | n/a | $19.93M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Prudential Financial Inc | 213.64K | n/a | $19.63M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 48 | Swiss National Bank | 212.20K | n/a | $19.50M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | California Public Employees… | 196.21K | n/a | $18.03M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Wcm Investment Management, Llc | 172.37K | n/a | $16.32M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Legal & General Group Plc | 177.60K | n/a | $16.32M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 52 | Citadel Advisors ✦ | 169.90K | +147.3% | $15.61M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 53 | Man Group plc | 162.94K | n/a | $14.97M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 54 | HighTower Advisors, LLC | 157.47K | n/a | $14.47M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Mirae Asset Global Investments Co.… | 157.15K | n/a | $14.44M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Bridgewater Associates ✦ | 154.30K | -11.9% | $14.18M | 0.1% | ▼ Trim | 7 | SEC ↗ |
| 57 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 150.12K | n/a | $13.79M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 58 | Two Sigma Investments ✦ | 144.40K | +85.4% | $13.27M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 59 | Russell Investments Group, Ltd. | 142.39K | n/a | $13.08M | 0.0% | n/c | 1 | SEC ↗ ×10 |
| 60 | Universal- Beteiligungs- und… | 137.69K | n/a | $12.72M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Federated Hermes, Inc. | 129.36K | n/a | $11.89M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 62 | Nordea Investment Management Ab | 120.98K | n/a | $11.20M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 63 | Manufacturers Life Insurance… | 113.99K | n/a | $10.49M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Assetmark, Inc | 110.75K | n/a | $10.18M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Tudor Investment Corp Et Al | 101.61K | n/a | $9.34M | 0.1% | n/c | 1 | SEC ↗ |
| 66 | State Of Wisconsin Investment Board | 101.32K | n/a | $9.31M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | California State Teachers… | 101.03K | n/a | $9.28M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Deutsche Bank Ag\ | 97.20K | n/a | $8.93M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 69 | Creative Planning | 91.31K | n/a | $8.39M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | LPL Financial LLC | 84.53K | n/a | $7.77M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Danske Bank A/S | 77.73K | n/a | $7.14M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 72 | Envestnet Asset Management Inc | 69.39K | n/a | $6.38M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Victory Capital Management Inc | 66.98K | n/a | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | American Century Companies Inc | 58.30K | n/a | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | BNP Paribas Asset Management… | 57.80K | n/a | $5.31M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 76 | PRIMECAP Management ✦ | 47.50K | -19.5% | $4.36M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 77 | Assenagon Asset Management S.A. | 46.36K | n/a | $4.26M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Tidal Investments LLC | 42.50K | n/a | $3.91M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 79 | New York State Common Retirement… | 41.94K | n/a | $3.85M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Hsbc Holdings Plc | 40.87K | n/a | $3.78M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 81 | Captrust Financial Advisors | 40.88K | n/a | $3.76M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Pictet Asset Management Holding SA | 40.75K | n/a | $3.74M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Baird Financial Group, Inc. | 38.44K | n/a | $3.53M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 84 | ProShare Advisors LLC | 37.77K | n/a | $3.47M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Zurcher Kantonalbank (Zurich… | 36.80K | n/a | $3.38M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Peak6 Llc | 35.30K | n/a | $3.24M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 87 | Royal Bank Of Canada | 34.00K | n/a | $3.12M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 88 | Cerity Partners LLC | 30.48K | n/a | $2.80M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 89 | Point72 Asset Management ✦ | 30.02K | -82.0% | $2.76M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | Stifel Financial Corp | 29.47K | n/a | $2.71M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 91 | Ensign Peak Advisors, Inc | 28.44K | n/a | $2.61M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Cetera Investment Advisers | 28.39K | n/a | $2.61M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | State Board Of Administration Of… | 26.58K | n/a | $2.44M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Truist Financial Corp | 26.03K | n/a | $2.39M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Mackenzie Financial Corp | 24.15K | n/a | $2.28M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Td Asset Management Inc | 24.01K | n/a | $2.21M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Quantinno Capital Management LP | 23.40K | n/a | $2.15M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Us Bancorp \De\ | 21.13K | n/a | $1.94M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 99 | Pacer Advisors, Inc. | 20.46K | n/a | $1.88M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Mariner, LLC | 19.36K | n/a | $1.78M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $156.36M | 0.0% |
Exited
| Arrowstreet Capital | $18.06M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 549 holders, 100.74M shares, $7.93B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 22
KISSNER CHARLES
Director · 5.00K sh · $525,000
Aug 07
KISSNER CHARLES
Director · 5.00K sh · $504,600
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 29
SC 13G/A: BlackRock, Inc.
Jun 05
SC 13G: FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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