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Hudson Bay Capital Management LP

Position in RBRK — Rubrik, Inc.

CIK 1393825 STAMFORD, CT

Position in RBRK

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$6,072,280
-$3,411,240 QoQ
Shares Held
124,000
0.0% QoQ
Ownership
0.060%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2024
5 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in RBRK Over Time

Shares Held

Position Value (USD)

Position in Software - Infrastructure

Technology · as of Mar 31, 2026

Hudson Bay Capital Management LP holds $838,264,180 across 20 Software - Infrastructure names. RBRK ranks #5 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 RBRK
Rubrik, Inc.
This page
124,000 $6,072,280

All Filings in RBRK

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5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $6,072,280 124,000
2025-12-31 $9,483,520 124,000
2025-09-30 $29,527,750 359,000
2025-06-30 $35,656,820 398,000
2024-06-30 $1,533,000 50,000