RUBRIK INC-A (RBRK) Stock Institutional Trading Activity
RUBRIK INC-A (RBRK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, ARK Invest, Polen Capital Management, Viking Global Investors, and Tiger Global Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- RUBRIK INC-A (RBRK) stock institutional ownership
- RUBRIK INC-A (RBRK) stock insider trading activity
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2025 | Renaissance Technologies LLC | Sell | -84,311 | 723,389 | $55,324,791 |
| Q3 2025 | ARK Invest | Buy | 55,500 | 319,112 | $26,246,962 |
| Q3 2025 | Polen Capital Management | Buy | 2,998 | 2,998 | $246,586 |
| Q3 2025 | Renaissance Technologies LLC | Sell | -410,300 | 807,700 | $66,433,325 |
| Q2 2025 | ARK Invest | Sell | -130,664 | 263,612 | $23,616,999 |
| Q2 2025 | Renaissance Technologies LLC | Sell | -163,400 | 1,218,000 | $109,120,620 |
| Q1 2025 | ARK Invest | Sell | -21,548 | 394,276 | $24,042,950 |
| Q1 2025 | Renaissance Technologies LLC | Buy | 394,100 | 1,381,400 | $84,237,772 |
| Q4 2024 | ARK Invest | Sell | -5,108 | 415,824 | $27,178,257 |
| Q4 2024 | Renaissance Technologies LLC | Buy | 987,300 | 987,300 | $64,529,928 |
| Q3 2024 | ARK Invest | Buy | 223,850 | 420,932 | $13,532,964 |
| Q2 2024 | ARK Invest | Buy | 197,082 | 197,082 | $6,042,534 |
| Q2 2024 | Tiger Global Management | Buy | 250,000 | 250,000 | $7,665,000 |
| Q2 2024 | Viking Global Investors | Buy | 897,170 | 897,170 | $27,507,232 |
Frequently asked questions about RBRK activity
Which institutional owners are buying RBRK?
Institutional owners buying RBRK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in RBRK activity?
"Buy" means an investor increased their reported position in RBRK compared to the prior reporting period. This reflects growing exposure to RUBRIK INC-A (RBRK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in RBRK increasing?
Institutional interest in RBRK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.