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MARK SHEPTOFF FINANCIAL PLANNING, LLC

Position in RBRK — Rubrik, Inc.

CIK 1607355 GLASTONBURY, CT

Position in RBRK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$24,084
+$9,393 QoQ
Shares Held
300
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#480
of 573 holders
Holding Since
Jun 2024
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RBRK Over Time

Shares Held

Position Value (USD)

Position in Software - Infrastructure

Technology · as of Jun 30, 2026

MARK SHEPTOFF FINANCIAL PLANNING, LLC holds $26,116,390 across 10 Software - Infrastructure names. RBRK ranks #7 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 RBRK
Rubrik, Inc.
This page
300 $24,084

All Filings in RBRK

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $24,084 300
2026-03-31 $14,691 300
2025-12-31 $22,944 300
2025-09-30 $24,675 300
2025-06-30 $26,877 300
2025-03-31 $18,294 300
2024-12-31 $19,608 300
2024-09-30 $9,645 300
2024-06-30 $18,396 600