Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in RBRK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.8M | $431.8M | -24.8% | 4.284% | 0.01% |
| 2 | FMR LLC | 8.3M | $404.6M | +56.7% | 4.014% | 0.02% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.0M | $393.2M | — | 3.901% | 0.02% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 6.6M | $321.0M | — | 3.185% | 0.01% |
| 5 | FIRST TRUST ADVISORS LP | 4.9M | $239.7M | -30.7% | 2.379% | 0.17% |
| 6 | VOYA INVESTMENT MANAGEMENT LLC | 3.7M | $183.0M | -2.4% | 1.815% | 0.19% |
| 7 | PointState Capital LP | 3.6M | $178.6M | +73.6% | 1.772% | 4.15% |
| 8 | Pictet Asset Management Holding SA | 3.3M | $162.6M | +104.1% | 1.616% | 0.17% |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.0M | $144.9M | +11.9% | 1.437% | 0.02% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2.7M | $132.4M | +6.9% | 1.313% | 0.01% |
| 11 | STATE STREET CORP | 2.6M | $125.7M | +8.9% | 1.247% | 0.00% |
| 12 | TWO SIGMA INVESTMENTS, LP | 2.3M | $113.5M | +223.7% | 1.126% | 0.09% |
| 13 | AQR CAPITAL MANAGEMENT LLC | 2.2M | $104.9M | +105.0% | 1.077% | 0.05% |
| 14 | UBS Group AG | 2.0M | $95.7M | +206.1% | 0.950% | 0.01% |
| 15 | Legal & General Group Plc | 1.8M | $89.3M | -4.3% | 0.886% | 0.02% |
| 16 | WELLS FARGO & COMPANY/MN | 1.8M | $87.2M | +358.0% | 0.865% | 0.02% |
| 17 | MORGAN STANLEY | 1.7M | $84.3M | +38.6% | 0.837% | 0.01% |
| 18 | Clearbridge Investments, LLC | 1.4M | $70.9M | +6.2% | 0.704% | 0.06% |
| 19 | Institutional Venture Management XV, LLC | 1.4M | $70.1M | 0.0% | 0.696% | 92.82% |
| 20 | ALLIANCEBERNSTEIN L.P. | 873K | $66.7M | +7.3% | 0.424% | 0.02% |
| 21 | FEDERATED HERMES, INC. | 1.3M | $64.5M | -46.2% | 0.640% | 0.10% |
| 22 | Champlain Investment Partners, LLC | 1.3M | $61.7M | — | 0.612% | 0.78% |
| 23 | BNP PARIBAS ARBITRAGE, SA | 1.2M | $60.3M | +3.4% | 0.599% | 0.03% |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $56.6M | +12.0% | 0.562% | 0.01% |
| 25 | BANK OF AMERICA CORP /DE/ | 1.0M | $50.0M | -10.5% | 0.496% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in RBRK — a direct measure of their conviction.
Filings activity in RBRK during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 450 | 1.7% | 39.33% | 21.28 pp | $5.52B | 35% |
| Q4 2025 | 458 | +9.3% | 60.61% | +1.89 pp | $8.51B | +3.2% |
| Q3 2025 | 419 | +10.0% | 58.72% | 2.69 pp | $8.24B | 4.4% |
| Q2 2025 | 381 | +27% | 61.41% | +28.60 pp | $8.62B | +87% |
| Q1 2025 | 299 | +21% | 32.81% | +2.43 pp | $4.60B | +8.0% |
| Q4 2024 | 248 | +49% | 30.38% | +19.86 pp | $4.26B | +189% |
| Q3 2024 | 167 | +25% | 10.52% | +2.93 pp | $1.48B | +39% |
| Q2 2024 | 134 | — | 7.59% | — | $1.06B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying RBRK stock.
Based on Q1 2026 13F filings, institutional ownership of Rubrik, Inc. stands at 39.3%, held across 450 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of RBRK, with approximately 8,816,816 shares worth $0.43B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of RBRK, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for RBRK is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
114 institutions opened new positions in RBRK during Q1 2026, while 122 fully exited. 87 added to existing positions and 248 trimmed.
RBRK institutional ownership fell by 21.28 percentage points quarter-over-quarter, with a net change of -8 holders.
The top 10 institutions account for 47.0% of all reported 13F value in RBRK, and the top 25 account for 68.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Rubrik, Inc. (RBRK) Institutional Ownership