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Disclosery

RBRK RUBRIK INC.

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CL A (common), issuer CIK 1943896

454 managers (466 13F filers) reported a position in RBRK shares at 2026-03-31, 115,824,696 shares in all. 99 filers opened a position and 110 filers sold out during the quarter.

Managers
454
13F filers
466
New
99
Added
191
Reduced
115
Sold out
110
Shares held by filers
115,824,696

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-07-13 S$125.57Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-07-3,055 S$124.79Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-07-8,274 S$124.05Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-07-1,478 S$123.32Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-07+12,820 C$0Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-06-68 S$127.7Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-06-1,069 S$126.87Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-06-11,101 S$126.14Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-06-582 S$125.35Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-06+12,820 C$0Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-05-2,913 S$123.8Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-05-5,600 S$122.99Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-05-2,801 S$121.95Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-05-901 S$121.2Form 4
Nithrakashyap Arvinddirector, officer (Chief Technology Officer)2026-10-05-110 S$120.26Form 4

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Washington Trust Advisors, Inc.70$3.43K<0.01%-913F-HRTimeline
CVA Family Office, LLC65$3.18K<0.01%+6013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…60$2.94K<0.01%+813F-HRTimelineGroup
Murphy & Mullick Capital Management Corp60$2.94K<0.01%-10013F-HRTimeline
RMG Wealth Management LLC46$2.86K<0.01%new13F-HRTimeline
Elequin Capital, LP57$2.79K<0.01%-10813F-HRTimeline
Bogart Wealth, LLC51$2.5K<0.01%+1413F-HRTimeline
Clearstead Trust, LLC49$2.4K<0.01%new13F-HRTimeline
North Star Investment Management Corp.45$2.2K<0.01%+3913F-HRTimeline
Root Financial Partners, LLC43$2.11K<0.01%+1713F-HRTimeline
Investors Portfolio Services LLC33$1.97K<0.01%new13F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC36$1.76K<0.01%new13F-HRTimeline
Roxbury Financial LLC34$1.67K<0.01%013F-HRTimeline
True Wealth Design, LLC31$1.52K<0.01%-413F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.30$1.47K<0.01%-4613F-HRTimelineGroup
Financial Network Wealth Advisors LLC30$1.47K<0.01%new13F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…28$1.37K<0.01%+313F-HRTimeline
MassMutual Private Wealth & Trust, FSB27$1.32K<0.01%new13F-HRTimeline
Park Place Capital Corp27$1.32K<0.01%013F-HRTimeline
Bare Financial Services, Inc27$1.32K<0.01%+2013F-HRTimeline
TFC Financial Management, Inc.25$1.23K<0.01%013F-HRTimeline
Parkside Financial Bank & Trust23$1.13K<0.01%+913F-HRTimeline
Cromwell Holdings LLC23$1.13K<0.01%new13F-HRTimeline
Capital Advisors, Ltd. LLC15$1K<0.01%+1213F-HRTimeline
SALEM INVESTMENT COUNSELORS INC20$980<0.01%new13F-HR/ATimeline
Pinnacle Wealth Planning Services, Inc.19$930<0.01%new13F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO14$686<0.01%-213F-HRTimelineGroup
Smartleaf Asset Management LLC13$593<0.01%-1213F-HRTimeline
Stone House Investment Management, LLC12$588<0.01%new13F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…12$587<0.01%+1113F-HRTimelineGroup
Physician Wealth Advisors, Inc.11$539<0.01%new13F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp10$490<0.01%new13F-HRTimelineGroup
ATLAS CAPITAL ADVISORS INC.10$489<0.01%013F-HRTimeline
Cornerstone Planning Group LLC8$458<0.01%new13F-HRTimeline
Bell Investment Advisors, Inc9$441<0.01%new13F-HRTimeline
Fortitude Family Office, LLC8$392<0.01%+213F-HRTimeline
TD PRIVATE CLIENT WEALTH LLC5$245<0.01%-513F-HRTimeline
Principia Wealth Advisory, LLC4$196<0.01%new13F-HRTimeline
Hughes Financial Services, LLC4$196<0.01%new13F-HRTimeline
Bay Harbor Wealth Management, LLC4$195<0.01%+213F-HRTimeline
Vermillion Wealth Management, Inc.3$147<0.01%new13F-HRTimeline
SHP Wealth Management3$147<0.01%new13F-HRTimeline
Dunhill Financial, LLC2$117<0.01%013F-HRTimeline
Manchester Capital Management LLC2$98<0.01%013F-HRTimeline
MV CAPITAL MANAGEMENT, INC.2$98<0.01%new13F-HRTimeline
Godfrey Financial Associates, Inc.2$98<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK1$49<0.01%new13F-HRTimelineGroup
RAFFA WEALTH MANAGEMENT, LLC1$49<0.01%new13F-HRTimeline
Quaker Wealth Management, LLC1$49<0.01%new13F-HRTimeline
DiNuzzo Private Wealth, Inc.1$49<0.01%-513F-HRTimeline
American Capital Advisory, LLC1$49<0.01%new13F-HRTimeline
Rialto Wealth Management, LLC1$49<0.01%-913F-HRTimeline
Keating Financial Advisory Services, In…1$49<0.01%-313F-HRTimeline
Measured Wealth Private Client Group, L…1$27<0.01%new13F-HRTimeline

Events

  • Nithrakashyap Arvind disposed of 10,319 RBRK shares between 2026-10-05 and 2026-10-07, Form 4 filed 2026-10-07. 0002019143-26-000023

    Accepted , ingested

  • Wassenaar Yvonne sold 721 RBRK shares on 2026-10-05, Form 4 filed 2026-10-06. 0001707744-26-000023

    Accepted , ingested