RUBRIK INC

Name: RBRK 0 06/15/30 Institutional Ownership (13F)
Creator: 13F Insight

1 institutions still hold RUBRIK INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 781154AC3·1 13F holders·last filed Mar 31, 2026

Market cap

—

13F value held

$9M

visible holders

Holders

filers reporting

Concentration

100.00%

K2 PRINCIPAL FUND, L.P. #1

top holder share

AI Holders Summary · Q1 2026

1 institutions reported RBRK 0 06/15/30 in Q1 2026. K2 PRINCIPAL FUND, L.P. leads at 100.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter