Security record · archived quarter
RBRK
Rubrik, Inc. · Technology · Software - Infrastructure
138Tracked holders
-3Δ holders
83.54MShares held
$4.10BReported value
+8New positions
−12Exits
Momentum inputs (comparable managers):
holder breadth -2.1% ·
share flow +3.0% ·
net new positions -2.9%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | -1 | 205.23K | $22.72M | n/a | −1 |
| Q2 2026 | 132 | -4 | 98.66M | $7.86B | +10 | −13 |
| Q1 2026 | 138 | -3 | 83.54M | $4.10B | +8 | −12 |
| Q4 2025 | 141 | 0 | 93.71M | $7.16B | +2 | −1 |
| Q3 2025 | 21 | 0 | 43.62M | $3.59B | +3 | −4 |
| Q2 2025 | 19 | +1 | 41.01M | $3.67B | +2 | −1 |
| Q1 2025 | 15 | -1 | 14.41M | $878.86M | n/a | −1 |
| Q4 2024 | 16 | +3 | 13.52M | $883.53M | +3 | n/a |
| Q3 2024 | 12 | +1 | 9.15M | $294.28M | +3 | −2 |
| Q2 2024 | 11 | n/a | 6.38M | $195.52M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 8.82M | -24.8% | $431.76M | 0.0% | ▼ Trim | 4 | SEC ↗ ×20 |
| 2 | Fidelity (FMR) ✦ | 8.26M | +56.7% | $404.56M | 0.0% | ▲ Add | 4 | SEC ↗ ×6 |
| 3 | Vanguard Capital Management Llc | 6.56M | n/a | $321.00M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | First Trust Advisors Lp | 4.90M | -30.7% | $239.74M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 5 | Voya Investment Management Llc | 3.74M | -2.4% | $182.98M | 0.2% | ▼ Trim | 2 | SEC ↗ ×3 |
| 6 | Pictet Asset Management Holding SA | 3.33M | +104.1% | $162.57M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 2.70M | +6.9% | $132.40M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 8 | State Street Global Advisors ✦ (passive) | 2.57M | +8.9% | $125.70M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 2.31M | +223.0% | $113.28M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 2.22M | +105.0% | $104.87M | 0.0% | ▲ Add | 3 | SEC ↗ ×9 |
| 11 | UBS Group AG | 1.96M | +206.1% | $95.74M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 12 | Legal & General Group Plc | 1.82M | -4.3% | $89.28M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 13 | Morgan Stanley ✦ | 1.72M | +38.6% | $84.34M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 14 | JPMorgan Chase ✦ | 1.83M | +43.8% | $83.42M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 15 | Clearbridge Investments, LLC | 1.45M | +6.2% | $70.92M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 16 | Alliancebernstein L.P. | 872.61K | +7.3% | $66.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Federated Hermes, Inc. | 1.32M | -46.2% | $64.53M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 18 | Bnp Paribas Financial Markets | 1.23M | +3.4% | $60.34M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | Wells Fargo & Company/Mn | 1.18M | +203.7% | $57.83M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 20 | Charles Schwab Investment… | 1.16M | +12.0% | $56.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Bank Of America Corp /De/ | 1.02M | -10.5% | $50.03M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 22 | Susquehanna International Group, Llp | 905.75K | -16.0% | $44.35M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 23 | T. Rowe Price ✦ | 887.64K | +59.5% | $43.47M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 24 | UBS AM, a distinct business unit of… | 854.51K | +0.2% | $41.85M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 25 | Squarepoint Ops LLC | 817.00K | -4.8% | $40.01M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 26 | Northern Trust Corp | 755.15K | +7.8% | $36.98M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 27 | Qube Research & Technologies Ltd | 733.41K | +99.2% | $35.92M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 28 | Citadel Advisors ✦ | 731.22K | +27.0% | $35.81M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 29 | Goldman Sachs Group ✦ | 728.60K | -15.7% | $35.68M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 30 | Bank Of Nova Scotia | 726.67K | -1.5% | $35.59M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 31 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 723.37K | +7.0% | $35.40M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 32 | Capital World Investors ✦ | 663.68K | New | $32.50M | 0.0% | New | 1 | SEC ↗ |
| 33 | Capital International Investors | 618.12K | -51.8% | $30.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Amundi | 561.50K | +449.5% | $27.50M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 35 | Bank of New York Mellon Corp | 557.50K | +0.2% | $27.30M | 0.0% | ▲ Add | 2 | SEC ↗ ×12 |
| 36 | Holocene Advisors, LP | 555.71K | +5.8% | $27.21M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 37 | Alkeon Capital Management Llc | 500.00K | -16.7% | $24.48M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 38 | Wellington Management ✦ | 491.67K | +31.6% | $24.08M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 39 | Barclays Plc | 457.59K | +34.7% | $22.41M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 40 | Nomura Asset Management… | 412.16K | +2.9% | $20.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Millennium Management ✦ | 399.69K | -67.2% | $19.57M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 42 | ARK Investment Management ✦ | 395.05K | -13.0% | $19.35M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 43 | Renaissance Technologies ✦ | 377.49K | -47.8% | $18.49M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 44 | Royal Bank Of Canada | 375.26K | +64.4% | $18.38M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 45 | Nuveen, LLC | 372.24K | -10.9% | $18.23M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 46 | Marshall Wace ✦ | 363.03K | -18.2% | $17.78M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 47 | Citigroup Inc | 344.12K | +625.6% | $16.85M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 48 | Sumitomo Mitsui Trust Group, Inc. | 311.21K | -6.5% | $15.24M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Swiss National Bank | 292.10K | +5.5% | $14.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | FIL Ltd | 280.85K | +250662.5% | $13.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Bamco Inc /Ny/ | 277.54K | +5740.4% | $13.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Assenagon Asset Management S.A. | 252.39K | -60.7% | $12.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Bank Of Montreal /Can/ | 246.03K | -31.5% | $12.05M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 54 | HighTower Advisors, LLC | 229.90K | +377.9% | $11.26M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | New York State Common Retirement… | 226.99K | +1.8% | $11.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Raymond James Financial Inc | 234.51K | +189.8% | $10.96M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 57 | Stifel Financial Corp | 207.43K | +40.9% | $10.16M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 58 | BNP Paribas Asset Management… | 194.85K | +9912.7% | $9.54M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 59 | Caisse De Depot Et Placement Du… | 194.80K | +670.0% | $9.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Connor, Clark & Lunn Investment… | 182.31K | -5.5% | $8.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | State Of Wisconsin Investment Board | 179.08K | -5.2% | $8.77M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | California Public Employees… | 175.87K | -21.7% | $8.61M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | LPL Financial LLC | 174.02K | +6.6% | $8.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | California State Teachers… | 172.34K | +29.5% | $8.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Baillie Gifford ✦ | 165.11K | New | $8.09M | 0.0% | New | 1 | SEC ↗ ×4 |
| 66 | Dimensional Fund Advisors Lp | 144.76K | -62.9% | $7.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 67 | Rhumbline Advisers | 134.53K | +8.2% | $6.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Ameriprise Financial Inc | 134.52K | -4.8% | $6.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 69 | Osaic Holdings, Inc. | 123.60K | +441.9% | $6.05M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 70 | Invesco Ltd. | 114.09K | -87.0% | $5.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 71 | State Board Of Administration Of… | 111.52K | +6.3% | $5.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Us Bancorp \De\ | 103.33K | +7.3% | $5.06M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 73 | Sei Investments Co | 102.58K | -5.6% | $5.02M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 74 | Allianz Asset Management GmbH | 100.42K | +21.1% | $4.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Canada Pension Plan Investment Board | 99.00K | -81.7% | $4.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Brown Advisory Inc | 91.42K | -14.5% | $4.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Healthcare Of Ontario Pension Plan… | 87.80K | New | $4.30M | 0.0% | New | 1 | SEC ↗ |
| 78 | Cetera Investment Advisers | 87.03K | +36.6% | $4.26M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Janus Henderson Group Plc | 84.99K | -34.0% | $4.16M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 80 | Victory Capital Management Inc | 84.25K | +436.2% | $4.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Quantinno Capital Management LP | 82.14K | +160.7% | $4.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Franklin Resources Inc | 81.07K | -56.4% | $3.97M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | CIBC Bancorp USA Inc. | 78.02K | n/a | $3.82M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 84 | Zurcher Kantonalbank (Zurich… | 70.90K | +32.9% | $3.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Hsbc Holdings Plc | 68.06K | -69.3% | $3.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Jones Financial Companies Lllp | 69.21K | +1930.9% | $3.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | Universal- Beteiligungs- und… | 64.24K | -0.8% | $3.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Envestnet Asset Management Inc | 62.55K | +33.7% | $3.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Hrt Financial Lp | 61.90K | +59.1% | $3.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Mitsubishi UFJ Asset Management… | 61.08K | 0.0% | $2.99M | 0.0% | Held | 2 | SEC ↗ |
| 91 | Manufacturers Life Insurance… | 57.37K | +37.5% | $2.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Gotham Asset Management ✦ | 55.23K | +230.6% | $2.70M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 93 | Mariner, LLC | 53.99K | +72.7% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 94 | Nordea Investment Management Ab | 55.47K | -3.4% | $2.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 95 | IMC-Chicago, LLC | 46.56K | New | $2.28M | 0.0% | New | 1 | SEC ↗ |
| 96 | Mercer Global Advisors Inc /Adv | 44.01K | +235.6% | $2.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | Korea Investment CORP | 40.13K | 0.0% | $1.97M | 0.0% | Held | 2 | SEC ↗ |
| 98 | Cibc World Market Inc. | 39.15K | +102.2% | $1.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Wcm Investment Management, Llc | 41.30K | -24.9% | $1.88M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | Bridgewater Associates ✦ | 35.73K | -31.2% | $1.75M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Capital World Investors | $32.50M | 0.0% |
| Baillie Gifford | $8.09M | 0.0% |
| Healthcare Of Ontario Pension… | $4.30M | 0.0% |
| IMC-Chicago, LLC | $2.28M | 0.0% |
Exited
| Norges Bank | $345.91M | was 0.0% |
| 1832 Asset Management L.P. | $78.19M | was 0.1% |
| Alyeska Investment Group, L.P. | $4.87M | was 0.0% |
| Neuberger Berman Group LLC | $3.61M | was 0.0% |
| Baird Financial Group, Inc. | $2.31M | was 0.0% |
| DZ BANK AG Deutsche Zentral… | $2.13M | was 0.0% |
| Soros Fund Management | $1.68M | was 0.0% |
| Asset Management One Co., Ltd. | $1.53M | was 0.0% |
| Simplex Trading, Llc | $699,944 | was 0.0% |
| Robeco Institutional Asset… | $315,556 | was 0.0% |
| Corient Private Wealth LP | $118,010 | was 0.0% |
| Daiwa Securities Group Inc. | $57,000 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 459 holders, 113.97M shares, $5.39B 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)
Oct 07
Nithrakashyap Arvind
Officer, Director · 3.06K sh · $381,233
Oct 07
Nithrakashyap Arvind
Officer, Director · 13 sh · $1,632
Oct 07
Nithrakashyap Arvind
Officer, Director · 1.48K sh · $182,267
Oct 07
Nithrakashyap Arvind
Officer, Director · 8.27K sh · $1.03M
Oct 06
Nithrakashyap Arvind
Officer, Director · 68 sh · $8,684
Oct 06
Nithrakashyap Arvind
Officer, Director · 1.07K sh · $135,624
Oct 06
Nithrakashyap Arvind
Officer, Director · 11.10K sh · $1.40M
Oct 06
Nithrakashyap Arvind
Officer, Director · 582 sh · $72,954
Oct 05
Nithrakashyap Arvind
Officer, Director · 2.91K sh · $360,629
Oct 05
Nithrakashyap Arvind
Officer, Director · 5.60K sh · $688,744
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A: Lightspeed Venture Partners IX, L.P.
Aug 13
SC 13G: AQR CAPITAL MANAGEMENT LLC
Jul 31
SC 13G: VANGUARD CAPITAL MANAGEMENT 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: Q1 2026 ·
Methodology ·
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