Activity Companies Alerts About

Bipul Sinha owns 5.42% of Rubrik

11,236,491 shares as of the September 25, 2026 filing, worth $1.3B at the latest close.

RBRK · $23.3B market cap · Founder-led
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Free.
The stake
5.42%
worth $1.3B at the latest close
Stake rank
#86
by dollar value of the stake
Last sale
402 days ago
Sep 12, 2025
Last buy
None
no purchases since 2024

Bipul Sinha owns 5.42% of Rubrik, Inc.: 11,236,491 of 207,304,433 shares, worth about $1.3B at the 2026-10-16 close. The stake has moved from 5.85% in 2024 to 5.42% on 2026-09-25, across 2 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $46.6M on 2025-09-12.

How the stake is held

each class as its filings last stated it
SHARES
OF THE STAKE
CLASS B · stated Sep 24, 2026 · Form 4 ↗
10,679,839
95.0%
HELD DIRECTLY
10,679,839
95.0%
CLASS A · stated Sep 25, 2026 · Form 4 ↗
556,652
5.0%
HELD DIRECTLY
56,652
0.5%
HELD INDIRECTLY · By SPV
500,000
4.4%
THE STAKE
11,236,491
5.42%