RBRKNYSEServices-Prepackaged SoftwareFiscal year ends January 31
Rubrik, Inc.
Financials through Q2 FY2027, quarter ended Jul 31, 2026Last filing: 10-Q on Sep 1, 2026
$113.41+1.00 (+0.89%)
Close on Oct 19, 2026
- Market cap
- $23.37B
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
62.9%
130M of 207M shares
Institutional holders
573
187 new, 72 sold out
Net institutional buying
15M
In Q2 2026
Insider trades, 12 months
1 buys · 191 sales
Net sold $70.27M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| AQR Capital Management Holdings, LLC | 9,948,468 | 6.18% | 13G (passive) | Jun 30, 2026 |
| FMR LLC | 8,396,765 | 5.30% | 13G (passive) | Mar 31, 2026 |
| BlackRock, Inc. | 8,266,919 | 5.30% | 13G (passive) | Mar 31, 2026 |
| Vanguard Capital Management | 8,127,004 | 5.04% | 13G (passive) | Jun 30, 2026 |
| Vanguard Portfolio Management | 8,059,129 | 5.12% | 13G (passive) | Mar 31, 2026 |
| Bipul Sinha | 13,791,466 | 8.90% | 13D (active) amendment | Sep 12, 2025 |
| Ravi Mhatre | 13,354,373 | 9.10% | 13G (passive) amendment | Jun 30, 2025 |
| Arvind Nithrakashyap | 11,343,267 | 11.50% | 13G (passive) | Dec 31, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of RBRK | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,990,174 | 4.82% | $802.01M | +1,173,358 | 0.01% |
| Aqr Capital Management LLC | 9,947,988 | 4.80% | $780.12M | +7,730,767 | 0.27% |
| FMR LLC | 9,202,121 | 4.44% | $738.75M | +940,730 | 0.03% |
| Vanguard Portfolio Management LLC | 8,301,380 | 4.00% | $666.43M | +271,772 | 0.03% |
| Vanguard Capital Management LLC | 6,885,243 | 3.32% | $552.75M | +330,132 | 0.01% |
| First Trust Advisors LP | 5,980,251 | 2.88% | $480.09M | +1,084,536 | 0.28% |
| Norges Bank | 4,069,424 | 1.96% | $326.69M | New | 0.03% |
| Voya Investment Management LLC | 4,004,750 | 1.93% | $321.50M | +268,229 | 0.28% |
| Geode Capital Management, LLC | 2,875,284 | 1.39% | $230.89M | +172,391 | 0.01% |
| State Street Corp | 2,861,374 | 1.38% | $229.71M | +294,561 | 0.01% |
| Legal & General Group Plc | 2,620,318 | 1.26% | $210.36M | +796,941 | 0.04% |
| Pictet Asset Management Holding SA | 2,368,281 | 1.14% | $189.90M | −957,222 | 0.18% |
| JPMorgan Chase & Co | 2,253,594 | 1.09% | $172.99M | +423,430 | 0.01% |
| Anatole Investment Management Ltd | 2,189,257 | 1.06% | $175.75M | New | 29.80% |
| PointState Capital LP | 1,856,244 | 0.90% | $149.02M | −1,790,000 | 1.90% |
| UBS Asset Management Americas Inc | 1,739,658 | 0.84% | $139.66M | +885,144 | 0.03% |
| Clearbridge Investments, LLC | 1,577,133 | 0.76% | $126.61M | +128,839 | 0.10% |
| Morgan Stanley | 1,542,643 | 0.74% | $123.84M | −179,538 | 0.01% |
| Bnp Paribas Arbitrage, Snc | 1,500,810 | 0.72% | $120.49M | +268,533 | 0.04% |
| Institutional Venture Management XV, LLC | 1,431,479 | 0.69% | $114.92M | – | 94.56% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 573 | 130M | 62.9% | 187 / 221 | 116 / 72 | 34M | 19M |
| Q1 2026 | 465 | 116M | 55.9% | 110 / 191 | 115 / 111 | 42M | 27M |
| Q4 2025 | 473 | 116M | 55.8% | 120 / 181 | 125 / 76 | 28M | 16M |
| Q3 2025 | 436 | 104M | 50.0% | 132 / 178 | 81 / 81 | 28M | 24M |
| Q2 2025 | 389 | 100M | 48.1% | 135 / 133 | 92 / 46 | 34M | 17M |
| Q1 2025 | 305 | 82M | 39.8% | 93 / 121 | 62 / 37 | 23M | 6M |
| Q4 2024 | 252 | 67M | 32.3% | 115 / 70 | 47 / 30 | 25M | 11M |
| Q3 2024 | 169 | 54M | 25.9% | 73 / 55 | 20 / 37 | 25M | 8M |
| Q2 2024 | 135 | 38M | 18.6% | 135 / 0 | 0 / 0 | 38M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of RBRK | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 4,748,700 | 2.29% | $381.23M | 0.02% | Jun 30, 2026 |
| First Trust Nasdaq Cybersecurity ETF | 4,595,907 | 2.22% | $368.96M | 2.67% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 3,430,515 | 1.65% | $275.40M | 0.15% | Jun 30, 2026 |
| Vanguard Information Technology Index Fund | 2,220,766 | 1.07% | $174.62M | 0.10% | May 31, 2026 |
| Vanguard Small-Cap Value Index Fund | 2,172,397 | 1.05% | $174.40M | 0.26% | Jun 30, 2026 |
| Select Software and IT Services Portfolio | 1,933,500 | 0.93% | $152.03M | 2.02% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 1,846,002 | 0.89% | $148.20M | 0.15% | Jun 30, 2026 |
| Vanguard Explorer Fund | 1,386,596 | 0.67% | $100.33M | 0.45% | Jul 31, 2026 |
| Fidelity Growth Company Fund | 1,296,657 | 0.63% | $101.96M | 0.10% | May 31, 2026 |
| Amplify Cybersecurity ETF | 1,285,013 | 0.62% | $103.16M | 3.98% | Jun 30, 2026 |
| Select Technology Portfolio | 1,254,487 | 0.61% | $98.64M | 0.26% | May 31, 2026 |
| JPMorgan Mid Cap Growth Fund | 1,067,617 | 0.51% | $85.71M | 0.65% | Jun 30, 2026 |
| iShares Expanded Tech-Software Sector ETF | 824,041 | 0.40% | $66.15M | 0.49% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 782,060 | 0.38% | $61.49M | 0.14% | May 31, 2026 |
| SMALLCAP World Fund Inc | 741,404 | 0.36% | $59.52M | 0.06% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Bipul Sinha | Chairman of the Board and CEO, Director, 10% owner | 11,236,491 | 5.42% | Sep 25, 2026 |
| Arvind Nithrakashyap | Chief Technology Officer, Director | 10,511,107 | 5.07% | Sep 17, 2026 |
| Kiran Kumar Choudary | Chief Financial Officer | 960,650 | 0.46% | Sep 17, 2026 |
| Brian K. McCarthy | Pres.,Global Sales & Field Ops | 779,044 | 0.38% | Feb 3, 2026 |
| John Wendell Thompson | Director | 893,101 | 0.43% | Sep 3, 2026 |
| Yvonne Wassenaar | Director | 37,033 | 0.02% | Sep 3, 2026 |
| Rakefet Russak-Aminoach | Director | 10,304 | 0.00% | Aug 28, 2026 |
| Ravi Mhatre | Director | 8,201,192 | 3.96% | Jul 14, 2026 |
| Mark D. McLaughlin | Director | 91,256 | 0.04% | Jun 5, 2026 |
| Asheem Chandna | Director | 1,537,133 | 0.74% | Jun 5, 2026 |
| Richard Scott Herren | Director | 82,461 | 0.04% | Jun 3, 2026 |
| Enrique T. Salem | Director | 1,388,501 | 0.67% | Jun 26, 2025 |
| Peter Nieh | 10% owner | 313,472 | 0.15% | Jul 2, 2025 |
| Barry Eggers | 10% owner | 17,577,000 | 8.48% | Jul 2, 2025 |
| Lightspeed Management Company, L.L.C. | 10% owner | 812,483 | 0.39% | Jul 2, 2025 |
| Lightspeed SPV I-B, LLC | 10% owner | – | – | Jun 30, 2025 |
| LS SPV Management, LLC | 10% owner | 32,949,114 | 15.89% | Jun 30, 2025 |
| Lightspeed Venture Partners IX, L.P. | 10% owner | – | – | Jun 30, 2025 |
| Lightspeed Ultimate General Partner IX, Ltd. | 10% owner | – | – | Jun 30, 2025 |
| Lightspeed General Partner IX, L.P. | 10% owner | 14,310,232 | 6.90% | Jun 30, 2025 |
| Lightspeed Ultimate General Partner Select II, Ltd. | 10% owner | – | – | Jun 30, 2025 |
| Lightspeed General Partner Select II, L.P. | 10% owner | – | – | Jun 30, 2025 |
| Lightspeed Venture Partners Select II, L.P. | 10% owner | – | – | Jun 30, 2025 |
| Lightspeed SPV I-C, LLC | 10% owner | 23,730,202 | 11.45% | Jun 30, 2025 |
| Lightspeed SPV I, LLC | 10% owner | – | – | Jun 30, 2025 |
| XIV Limited Partnership Greylock | 10% owner | 22,382,233 | 10.80% | Apr 1, 2025 |
| XIV GP LLC Greylock | 10% owner | 14,921,488 | 7.20% | Apr 1, 2025 |
| XIV-A Limited Partnership Greylock | 10% owner | 14,921,488 | 7.20% | Apr 1, 2025 |
| XIV Principals LLC Greylock | 10% owner | – | – | Apr 1, 2025 |
| Lightspeed Ultimate General Partner X, Ltd. | 10% owner | – | – | Mar 27, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Bipul Sinha Chairman of the Board and CEO, Director, 10% owner | Sep 25, 2026 | Gift | −55,000 | – | – | 56,652 |
| Bipul Sinha Chairman of the Board and CEO, Director, 10% owner | Sep 24, 2026 | Conversion | +55,000 | – | – | 111,652 |
| Bipul Sinha Chairman of the Board and CEO, Director, 10% owner | Sep 24, 2026 | Conversion | +500,000 | – | – | 500,000 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 17, 2026 | Sale(10b5-1 plan) | −2,728 | $107.42 | $293.04K | 960,650 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 17, 2026 | Sale(10b5-1 plan) | −300 | $105.98 | $31.79K | 963,378 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 17, 2026 | Sale(10b5-1 plan) | −200 | $103.86 | $20.77K | 963,678 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 17, 2026 | Sale(10b5-1 plan) | −200 | $102.05 | $20.41K | 963,878 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 17, 2026 | Sale(10b5-1 plan) | −2,572 | $108.05 | $277.90K | 958,078 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −400 | $103.48 | $41.39K | 978,073 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 15, 2026 | Tax withholding | −13,995 | $100.20 | $1.40M | 964,078 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −700 | $102.72 | $71.90K | 978,473 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −1,214 | $101.47 | $123.18K | 979,173 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −586 | $100.20 | $58.72K | 980,387 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −1,100 | $99.08 | $108.99K | 980,973 |
| Kiran Kumar Choudary Chief Financial Officer | Sep 15, 2026 | Conversion | +4,000 | – | – | 982,073 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 15, 2026 | Tax withholding | −10,436 | $100.20 | $1.05M | 282,857 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 10, 2026 | Sale(10b5-1 plan) | −4,675 | $90.88 | $424.86K | 295,614 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 10, 2026 | Sale(10b5-1 plan) | −4,844 | $89.73 | $434.65K | 300,289 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 10, 2026 | Sale(10b5-1 plan) | −611 | $89.12 | $54.45K | 305,133 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 10, 2026 | Sale(10b5-1 plan) | −369 | $87.55 | $32.31K | 305,744 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 10, 2026 | Conversion | +12,820 | – | – | 306,113 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 10, 2026 | Sale(10b5-1 plan) | −2,321 | $91.67 | $212.77K | 293,293 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 9, 2026 | Sale(10b5-1 plan) | −30 | $92.87 | $2.79K | 293,293 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 9, 2026 | Sale(10b5-1 plan) | −1,013 | $92.08 | $93.28K | 293,323 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 9, 2026 | Sale(10b5-1 plan) | −3,237 | $91.16 | $295.08K | 294,336 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 9, 2026 | Sale(10b5-1 plan) | −5,297 | $90.41 | $478.90K | 297,573 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 9, 2026 | Sale(10b5-1 plan) | −3,243 | $89.33 | $289.70K | 302,870 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 9, 2026 | Conversion | +12,820 | – | – | 306,113 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 8, 2026 | Sale(10b5-1 plan) | −2,767 | $90.43 | $250.22K | 303,346 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 8, 2026 | Sale(10b5-1 plan) | −2,217 | $91.95 | $203.85K | 293,293 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 8, 2026 | Sale(10b5-1 plan) | −7,836 | $91.47 | $716.76K | 295,510 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Sep 8, 2026 | Conversion | +12,820 | – | – | 306,113 |
| Yvonne Wassenaar Director | Sep 3, 2026 | Conversion | +513 | – | – | 4,430 |
| Yvonne Wassenaar Director | Sep 3, 2026 | Sale(10b5-1 plan) | −721 | $89.52 | $64.54K | 3,709 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −1,600 | $88.58 | $141.73K | 8,400 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −600 | $89.18 | $53.51K | 7,800 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −100 | $90.30 | $9.03K | 7,700 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −200 | $91.66 | $18.33K | 7,500 |
| John Wendell Thompson Director | Sep 1, 2026 | Conversion | +11,000 | – | – | 19,362 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −4,600 | $88.34 | $406.36K | 14,762 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −200 | $92.37 | $18.47K | 8,362 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −900 | $91.08 | $81.97K | 8,562 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −600 | $90.24 | $54.14K | 9,462 |
| John Wendell Thompson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −4,700 | $89.02 | $418.39K | 10,062 |
| Rakefet Russak-Aminoach Director | Aug 26, 2026 | Award | +10,304 | – | – | 10,304 |
| Kiran Kumar Choudary Chief Financial Officer | Aug 24, 2026 | Sale(10b5-1 plan) | −300 | $99.93 | $29.98K | 978,073 |
| Kiran Kumar Choudary Chief Financial Officer | Aug 24, 2026 | Conversion | +4,000 | – | – | 988,073 |
| Kiran Kumar Choudary Chief Financial Officer | Aug 24, 2026 | Sale(10b5-1 plan) | −4,400 | $97.81 | $430.36K | 983,673 |
| Kiran Kumar Choudary Chief Financial Officer | Aug 24, 2026 | Sale(10b5-1 plan) | −5,300 | $98.65 | $522.85K | 978,373 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 5, 2026 | Sale(10b5-1 plan) | −521 | $84.61 | $44.08K | 293,293 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 5, 2026 | Sale(10b5-1 plan) | −8,177 | $84.10 | $687.69K | 293,814 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 5, 2026 | Sale(10b5-1 plan) | −2,780 | $83.17 | $231.21K | 301,991 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 5, 2026 | Sale(10b5-1 plan) | −1,342 | $82.08 | $110.15K | 304,771 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 5, 2026 | Conversion | +12,820 | – | – | 306,113 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 4, 2026 | Sale(10b5-1 plan) | −4,557 | $80.94 | $368.84K | 293,293 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 4, 2026 | Sale(10b5-1 plan) | −3,767 | $79.81 | $300.64K | 297,850 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 4, 2026 | Sale(10b5-1 plan) | −2,981 | $79.11 | $235.83K | 301,617 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 4, 2026 | Sale(10b5-1 plan) | −1,303 | $77.99 | $101.62K | 304,598 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 4, 2026 | Sale(10b5-1 plan) | −212 | $76.77 | $16.28K | 305,901 |
| Arvind Nithrakashyap Chief Technology Officer, Director | Aug 4, 2026 | Conversion | +12,820 | – | – | 306,113 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Sinha Bipul Officer | Sep 25, 2026 | 500,000 | $56.90M | Sep 25, 2026 | Acquired Class B common shares from Issuer in private transaction; Class B common shares were converted to Class A common shares, and subsequently contributed to SBSP EQUITY 1 LLC |
| Nithrakashyap Arvind Officer | Sep 8, 2026 | 128,200 | $11.75M | Sep 8, 2026 | Acquired as compensation -- Restricted Stock Units |
| Wassenaar Yvonne Director | Sep 3, 2026 | 2,163 | $188.57K | Sep 3, 2026 | Restricted Stock Units |
| Thompson John Director | Aug 3, 2026 | 33,000 | $2.39M | Aug 3, 2026 | Exercise of Stock Options |
| And Sandra Thompson Trust John Director | Aug 3, 2026 | 7,500 | $542.70K | Aug 3, 2026 | Private Acquisition from Issuer |
| Choudary Kiran Officer | Jul 15, 2026 | 48,000 | $4.23M | Jul 15, 2026 | Exercise of Stock Options |
| Lightspeed General Partner IX, LP Affiliate | Jul 13, 2026 | 7,592 | $636.21K | Jul 13, 2026 | Private Placement |
| Lightspeed General Partner Select II, L.P. Affiliate | Jul 13, 2026 | 155 | $12.99K | Jul 13, 2026 | Private Placement |
| Lightspeed Management Company, L.L.C. Affiliate | Jul 13, 2026 | 3,979 | $333.44K | Jul 13, 2026 | Private Placement |
| Lightspeed General Partner Select II, LP Affiliate | Jun 26, 2026 | 155 | $10.99K | Jun 26, 2026 | Private Placement |
| Lightspeed Management Company, LLC Affiliate | Jun 26, 2026 | 3,979 | $282.23K | Jun 26, 2026 | Private Placement |
| Lightspeed General Partner IX, L.P. Affilaite | Jun 26, 2026 | 7,592 | $538.50K | Jun 26, 2026 | Private Placement |
| Nithrakashyap Arvind Officer | Jun 2, 2026 | 302,007 | $24.86M | Jun 1, 2026 | Acquired as compensation -- Restricted Stock Units |
| Nithrakashyap Arvind Officer | Jun 1, 2026 | 302,007 | $25.69M | Jun 1, 2026 | Acquired as compensation -- Restricted Stock Units |
| Wassenaar Yvonne Director | May 29, 2026 | 5,677 | $399.21K | May 29, 2026 | Restricted Stock Units |