Rubrik, Inc.
RBRK- Exchange
- NYSE
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001943896
In the last 90 days, Rubrik, Inc. insiders filed 0 open-market purchases and 11 sales; 575 institutions reported holding it in 13F filings for Q2 2026, worth $10.4B in total; ARK Invest is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Rubrik, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 438
- +53 vs. Q2 2025
- Shares held
- 102.5M
- +5.38M (+5.5%) vs. Q2 2025
- Total value
- $8.43B
- −$267.8M (−3.1%) vs. Q2 2025
- New holders
- 133
- 177 more added
- Sold out
- 80
- 81 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RBRK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 575 | $10.4B |
| Q1 2026 | 466 | $5.69B |
| Q4 2025 | 473 | $8.83B |
| Q3 2025 | 438 | $8.43B |
| Q2 2025 | 390 | $8.93B |
| Q1 2025 | 305 | $4.89B |
| Q4 2024 | 252 | $4.38B |
| Q3 2024 | 169 | $1.68B |
| Q2 2024 | 135 | $1.09B |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Rubrik, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Natixis Advisors, L.P. | 57,168 | $4.70M | 0.01% | −4,256−6.9% | Reduced |
| WCM Investment Management, LLC | 56,605 | $4.72M | 0.01% | +56,605 | New |
| IMC-Chicago, LLC | 58,635 | $4.82M | 0.09% | +41,716+246.6% | Added |
| Two Sigma Investments, LP | 59,000 | $4.85M | 0.01% | −1,075,624−94.8% | Reduced |
| DekaBank Deutsche Girozentrale | 58,365 | $4.87M | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 59,295 | $4.88M | 0.00% | +59,295 | New |
| Main Management ETF Advisors, LLC | 60,450 | $4.97M | 0.18% | +31,130+106.2% | Added |
| Aperture Investors, LLC | 61,096 | $5.03M | 0.70% | −89,741−59.5% | Reduced |
| Wolverine Trading, LLC | 60,497 | $5.04M | 0.10% | +56,362+1,363.0% | Added |
| STRS Ohio | 62,300 | $5.12M | 0.02% | +29,649+90.8% | Added |
| Octahedron Capital Management L.P. | 64,800 | $5.33M | 3.03% | +57,300+764.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 64,828 | $5.33M | 0.01% | −532−0.8% | Reduced |
| Nordea Investment Management AB | 67,880 | $5.51M | 0.00% | +67,880 | New |
| Summit Trail Advisors, LLC | 68,423 | $5.63M | 0.08% | +12,096+21.5% | Added |
| Raymond James Financial Inc | 69,427 | $5.71M | 0.00% | −184,606−72.7% | Reduced |
| Russell Investments Group, Ltd. | 69,386 | $5.74M | 0.01% | −76,790−52.5% | Reduced |
| Group One Trading, L.P. | 70,738 | $5.82M | 0.17% | +70,738 | New |
| Osterweis Capital Management Inc | 76,005 | $6.25M | 0.28% | −1,180−1.5% | Reduced |
| Deutsche Bank AG | 76,673 | $6.31M | 0.00% | +2,323+3.1% | Added |
| State Board of Administration of Florida Retirement System | 76,970 | $6.33M | 0.01% | −158−0.2% | Reduced |
| Allianz Asset Management GmbH | 77,900 | $6.41M | 0.01% | +11,448+17.2% | Added |
| Bank of Nova Scotia | 78,000 | $6.42M | 0.01% | +78,000 | New |
| NewSquare Capital LLC | 78,031 | $6.42M | 0.44% | +78,031 | New |
| Advisor Group Holdings, Inc. | 78,512 | $6.95M | 0.01% | −2,168−2.7% | Reduced |
| Jane Street Group, LLC | 86,889 | $7.15M | 0.01% | +24,840+40.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 98,282 | $8.08M | 0.01% | −15,200−13.4% | Reduced |
| Dimensional Fund Advisors LP | 102,462 | $8.44M | 0.00% | +82,185+405.3% | Added |
| Verition Fund Management LLC | 102,873 | $8.46M | 0.05% | +48,887+90.6% | Added |
| Robocap Asset Management Ltd | 103,231 | $8.49M | 5.41% | +6,410+6.6% | Added |
| Citigroup Inc | 104,041 | $8.56M | 0.01% | +70,504+210.2% | Added |
| Bienville Capital Management, LLC | 106,000 | $8.72M | 1.66% | +106,000 | New |
| California State Teachers Retirement System | 110,177 | $9.06M | 0.01% | +18,991+20.8% | Added |
| Rhumbline Advisers | 112,007 | $9.21M | 0.01% | +14,522+14.9% | Added |
| Renaissance Capital LLC | 112,459 | $9.25M | 5.18% | +39,588+54.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 112,970 | $9.29M | 0.03% | +112,970 | New |
| Alyeska Investment Group, L.P. | 117,128 | $9.63M | 0.03% | +117,128 | New |
| Aquatic Capital Management LLC | 117,599 | $9.67M | 0.18% | +117,599 | New |
| Nomura Asset Management Co Ltd | 123,000 | $10.1M | 0.03% | +123,000 | New |
| Algert Global LLC | 124,101 | $10.2M | 0.17% | −33,384−21.2% | Reduced |
| Trexquant Investment LP | 125,309 | $10.3M | 0.11% | −18,855−13.1% | Reduced |
| Ensign Peak Advisors, Inc | 126,800 | $10.4M | 0.02% | −699,448−84.7% | Reduced |
| Brown Advisory Inc | 129,494 | $10.7M | 0.01% | +104,644+421.1% | Added |
| Ameriprise Financial Inc | 133,615 | $11.0M | 0.00% | +91,728+219.0% | Added |
| Jain Global LLC | 135,309 | $11.1M | 0.14% | +126,222+1,389.0% | Added |
| LPL Financial LLC | 145,705 | $12.0M | 0.00% | +13,214+10.0% | Added |
| New York State Common Retirement Fund | 146,997 | $12.1M | 0.02% | +14,000+10.5% | Added |
| Loup Funds, LLC | 152,097 | $12.5M | 4.98% | +152,097 | New |
| Quantbot Technologies LP | 156,552 | $12.9M | 0.35% | −42,473−21.3% | Reduced |
| Wellington Management Group LLP | 158,406 | $13.0M | 0.00% | +158,406 | New |
| Stifel Financial Corp | 159,174 | $13.1M | 0.01% | +57,998+57.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 159,400 | $13.1M | 0.02% | −40,600−20.3% | Reduced |
| Fred Alger Management, LLC | 167,630 | $13.8M | 0.05% | +167,630 | New |
| State of Wisconsin Investment Board | 170,464 | $14.0M | 0.03% | +26,514+18.4% | Added |
| Engineers Gate Manager LP | 177,087 | $14.6M | 0.17% | −7,174−3.9% | Reduced |
| Legacy Capital Group California, Inc. | 181,117 | $14.9M | 3.79% | 00.0% | Unchanged |
| California Public Employees Retirement System | 189,735 | $15.6M | 0.01% | +189,735 | New |
| Gilder Gagnon Howe & Co LLC | 192,223 | $15.8M | 0.16% | −1,914−1.0% | Reduced |
| Public Sector Pension Investment Board | 203,100 | $16.7M | 0.06% | +53,100+35.4% | Added |
| Melqart Asset Management (UK) Ltd | 204,771 | $16.8M | 2.25% | +108,097+111.8% | Added |
| Knollwood Investment Advisory, LLC | 209,618 | $17.2M | 1.55% | +88,886+73.6% | Added |
| Voleon Capital Management LP | 221,065 | $18.2M | 0.44% | +83,157+60.3% | Added |
| Balyasny Asset Management LLC | 225,549 | $18.6M | 0.04% | +225,549 | New |
| Swiss National Bank | 226,300 | $18.6M | 0.01% | +44,700+24.6% | Added |
| LMR Partners LLP | 240,250 | $19.8M | 0.26% | +240,250 | New |
| Freestone Grove Partners LP | 243,730 | $20.0M | 0.15% | 00.0% | Unchanged |
| Yong Rong (HK) Asset Management Ltd | 300,000 | $24.7M | 5.19% | +174,700+139.4% | Added |
| Point72 Asset Management, L.P. | 314,352 | $25.9M | 0.06% | +284,444+951.1% | Added |
| BlueCrest Capital Management Ltd | 315,000 | $25.9M | 1.59% | +290,000+1,160.0% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 319,112 | $26.2M | 0.16% | +55,500+21.1% | Added |
| Fiera Capital Corp | 330,913 | $27.2M | 0.09% | −6,984−2.1% | Reduced |
| Nikko Asset Management Americas, Inc. | 336,878 | $27.7M | 0.27% | −16,810−4.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 337,811 | $27.8M | 0.02% | −17,806−5.0% | Reduced |
| Alta Park Capital, LP | 344,134 | $28.3M | 2.85% | +344,134 | New |
| Barclays PLC | 346,262 | $28.5M | 0.01% | +300,718+660.3% | Added |
| Royal Bank of Canada | 347,340 | $28.6M | 0.01% | +294,402+556.1% | Added |
| Hudson Bay Capital Management LP | 359,000 | $29.5M | 0.18% | −39,000−9.8% | Reduced |
| Bank of Montreal | 360,593 | $29.7M | 0.01% | +312,487+649.6% | Added |
| Canada Pension Plan Investment Board | 364,579 | $30.0M | 0.02% | −252,940−41.0% | Reduced |
| Nuveen, LLC | 387,098 | $31.8M | 0.01% | +66,469+20.7% | Added |
| Beacon Pointe Advisors, LLC | 390,217 | $32.1M | 0.27% | +390,217 | New |
| Wells Fargo & Company | 396,517 | $32.6M | 0.01% | +108,173+37.5% | Added |
| Goldman Sachs Group Inc | 402,867 | $33.1M | 0.00% | −709,473−63.8% | Reduced |
| Marshall Wace, LLP | 403,017 | $33.1M | 0.04% | +92,820+29.9% | Added |
| Stephens Investment Management Group LLC | 404,113 | $33.2M | 0.43% | +174,471+76.0% | Added |
| Perpetual Ltd | 416,971 | $34.3M | 0.43% | −170,185−29.0% | Reduced |
| Amundi | 494,398 | $40.6M | 0.01% | +444,968+900.2% | Added |
| Voloridge Investment Management, LLC | 502,004 | $41.3M | 0.14% | −1,276,200−71.8% | Reduced |
| Driehaus Capital Management LLC | 510,935 | $42.0M | 0.30% | +74,147+17.0% | Added |
| Bank of New York Mellon Corp | 518,409 | $42.6M | 0.01% | +1,826+0.4% | Added |
| Holocene Advisors, LP | 525,000 | $43.2M | 0.10% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 535,038 | $44.0M | 0.13% | −139,232−20.6% | Reduced |
| Macquarie Group Ltd | 551,964 | $45.4M | 0.05% | +41,467+8.1% | Added |
| Acadian Asset Management LLC | 556,375 | $45.7M | 0.08% | −998,877−64.2% | Reduced |
| BIT Capital GmbH | 583,961 | $48.0M | 2.19% | +563,140+2,704.7% | Added |
| Neuberger Berman Group LLC | 589,208 | $48.5M | 0.04% | +555,900+1,669.0% | Added |
| Evergreen Quality Fund GP, Ltd. | 592,300 | $48.7M | 1.08% | +592,300 | New |
| BNP Paribas Arbitrage, SA | 593,108 | $48.8M | 0.04% | −682,360−53.5% | Reduced |
| Man Group plc | 634,917 | $52.2M | 0.10% | −230,591−26.6% | Reduced |
| Northern Trust Corp | 636,313 | $52.3M | 0.01% | +92,460+17.0% | Added |
| Squarepoint Ops LLC | 668,440 | $55.0M | 0.12% | +321,440+92.6% | Added |