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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
Holos Integrated Wealth LLC20,000$1.06M0.53%+10,00013F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.20,670$1.01M<0.01%new13F-HRTimelineGroup
Pekao Towarzystwo Funduszy Inwestycyjny…20,264$992K0.74%+8,15913F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth19,222$976K<0.01%+99713F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC19,916$975K<0.01%+1,72813F-HRTimelineGroup
Advisors Asset Management, Inc.19,561$958K0.02%+10,23013F-HRTimeline
Gradient Investments LLCin group Gradient Investments LLC19,085$935K0.01%new13F-HRTimelineGroup
Pacer Advisors, Inc.18,928$927K<0.01%+4,89513F-HR/ATimeline
XPONANCE LLC18,698$916K0.01%+3,62613F-HRTimeline
Bollard Group LLC18,294$896K0.03%new13F-HRTimeline
GROUP ONE TRADING LLC18,131$888K0.03%-13,98013F-HRTimeline
Royal Fund Management, LLC18,115$887K0.09%-78513F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC17,382$851K<0.01%-2,65513F-HRTimelineGroup
Wilmington Savings Fund Society, FSB17,266$846K0.02%-10013F-HRTimeline
SCS Capital Management LLC17,141$839K0.01%013F-HRTimeline
Buckland Partners Management Co LLC17,000$832K0.5%-1,00013F-HRTimeline
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC16,968$831K<0.01%-274,53513F-HRTimelineGroup
Sanctuary Advisors, LLC16,843$825K<0.01%+6,24813F-HRTimeline
Teamwork Financial Advisors, LLC16,642$815K0.09%+8,55513F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…16,563$811K<0.01%-1,57313F-HRTimelineGroup
Penn Mutual Asset Management16,472$807K4.13%013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC16,286$796K<0.01%-123,36413F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP15,893$778K<0.01%+3,03713F-HRTimelineGroup
Waldron Private Wealth LLC15,635$766K0.03%013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…15,417$755K<0.01%-55,02913F-HRTimelineGroup
Annex Advisory Services, LLC14,549$712K0.01%-471,15013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…14,273$699K<0.01%013F-HRTimeline
Altrafin AG14,200$695K0.24%new13F-HRTimeline
FOX RUN MANAGEMENT, L.L.C.15,006$684K0.12%new13F-HRTimeline
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.14,539$684K<0.01%new13F-HRTimeline
EFG International AGin group EFG International AG13,950$683K0.01%new13F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…13,072$672K<0.01%-12,24213F-HRTimeline
TD Waterhouse Canada Inc.13,789$670K<0.01%-47,26813F-HRTimeline
Bleakley Financial Group, LLC13,633$668K0.01%new13F-HRTimeline
DIVERSIFIED TRUST CO13,209$647K0.01%+6,66813F-HRTimeline
Avestar Capital, LLC13,114$642K0.04%-3,00013F-HRTimeline
NewEdge Wealth, LLC12,946$634K0.01%new13F-HRTimeline
Fieldview Capital Management, LLC12,833$628K0.18%-33,31213F-HRTimeline
Brooklyn Investment Group12,802$627K0.02%new13F-HRTimeline
Cambridge Investment Research Advisors,…12,758$625K<0.01%+3,12713F-HRTimeline
Blackstone Inc.in group Blackstone Inc.12,626$618K<0.01%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Smith Group Asset Management, LLC12,602$617K0.03%new13F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC12,166$596K<0.01%+4,16713F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\12,117$593K<0.01%+1,00713F-HRTimelineGroup
Quent Capital, LLC12,058$590K0.04%+4813F-HRTimeline
THORNBURG INVESTMENT MANAGEMENT INC12,017$588K0.01%new13F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al12,000$588K<0.01%+5,00013F-HRTimeline
Snowden Capital Advisors LLC11,869$581K0.02%-6613F-HRTimeline
CAPTRUST FINANCIAL ADVISORS11,649$570K<0.01%+2,59913F-HRTimeline
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC11,558$566K<0.01%+1,29413F-HRTimelineGroup
Gibbs Wealth Management11,455$561K0.07%new13F-HRTimeline
EVENTIDE ASSET MANAGEMENT, LLC11,605$559K0.01%+17913F-HRTimeline
Arkadios Wealth Advisors10,328$506K0.01%new13F-HRTimeline
Alliance Wealth Advisors, LLC /UT10,262$503K0.11%new13F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.10,237$501K0.21%+3,21013F-HRTimelineGroup
Marex Group Ltdin group Marex Group Ltd10,213$500K0.01%new13F-HRTimelineGroup
Coastal Bridge Advisors, LLC10,050$492K0.03%-84213F-HRTimeline
China Universal Asset Management Co., L…10,000$490K0.04%+1,50013F-HRTimeline
Persistent Asset Partners Ltd10,000$490K0.19%-6,00013F-HRTimeline
Utah Retirement Systems9,756$478K<0.01%+49913F-HRTimeline
IFP Advisors, Inc9,641$472K0.01%+80513F-HRTimeline
MAI Capital Management9,622$471K<0.01%+43713F-HRTimeline
DC Investments Management, LLC9,263$454K0.17%013F-HRTimeline
AMALGAMATED BANK9,212$451K<0.01%+12113F-HRTimeline
Perigon Wealth Management, LLC9,033$442K0.01%+3,68213F-HRTimeline
COHEN & STEERS, INC.in group COHEN & STEERS, INC.9,000$441K<0.01%013F-HRTimelineGroup
SummitTX Capital, L.P.9,002$441K0.01%new13F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…9,001$441K<0.01%+2,35113F-HRTimelineGroup
Migdal Insurance & Financial Holdings L…in group Migdal Insurance & Financial …9,000$441K<0.01%-3,00013F-HRTimelineGroup
Federation des caisses Desjardins du Qu…8,766$429K<0.01%-1,21013F-HRTimeline
Numerai GP LLC8,727$427K0.04%-12,13513F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC8,688$425K<0.01%+1,93813F-HRTimeline
Patriot Financial Group Insurance Agenc…8,548$419K0.02%new13F-HRTimeline
Odyssean, LLC8,510$417K0.15%+2,79513F-HRTimeline
Machina Capital S.A.S.8,500$416K0.08%new13F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC8,251$404K<0.01%-11713F-HRTimelineGroup
Ensign Peak Advisors, Inc8,250$404K<0.01%-105,00013F-HR/ATimeline
Register Financial Advisors LLC8,000$392K0.14%+1,80013F-HRTimeline
Portside Wealth Group, LLC7,972$390K0.05%new13F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…7,947$389K<0.01%+4,29713F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…7,811$383K<0.01%+18113F-HRTimelineGroup
TWO SIGMA SECURITIES, LLC7,694$377K0.04%new13F-HRTimeline
Focus Financial Network, Inc.7,671$376K0.01%new13F-HRTimeline
DNB Asset Management ASin group DNB Asset Management AS7,649$375K<0.01%new13F-HRTimelineGroup
Integrated Wealth Concepts LLC7,617$373K<0.01%+4,97413F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC7,570$371K<0.01%+5,00313F-HRTimelineGroup
LIFE LINE WEALTH MANAGEMENT LLC7,563$370K0.17%+1,80213F-HRTimeline
StoneCrest Wealth Management, Inc.7,557$370K0.16%+1,56813F-HRTimeline
Financial Perspectives, Inc7,505$368K0.1%013F-HRTimeline
OXFORD ASSET MANAGEMENT LLP7,483$366K0.15%+1,75713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Perbak Capital Partners LLP7,430$364K0.09%new13F-HRTimeline
NOVARE CAPITAL MANAGEMENT LLC7,320$358K0.03%+52013F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC7,299$357K0.03%-6,59313F-HRTimeline
Man Group plcin group Man Group plc7,224$354K<0.01%-206,92713F-HRTimelineGroup
NORDEN GROUP LLC7,221$354K0.03%new13F-HRTimeline
Advisory Services Network, LLC7,198$352K<0.01%+2,70813F-HRTimeline
Savant Capital, LLCin group Savant Capital, LLC6,940$340K<0.01%new13F-HRTimelineGroup
Axim Planning & Wealth6,935$340K0.41%+3,34313F-HRTimeline
Dynasty Wealth Management, LLC6,871$336K<0.01%new13F-HRTimeline
Forum Financial Management, LPin group Forum Financial Management, LP6,846$335K<0.01%new13F-HRTimelineGroup
Choate Investment Advisors6,700$328K0.01%013F-HRTimeline
Forefront Wealth Partners, LLC6,605$323K0.14%new13F-HRTimeline
Maryland State Retirement & Pension Sys…6,495$318K0.01%013F-HRTimeline
Optimist Retirement Group LLC6,379$312K0.14%+3,40713F-HRTimeline
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…6,300$309K0.1%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Callan Family Office, LLC6,263$307K0.01%+17413F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…6,194$303K<0.01%+15813F-HRTimelineGroup
Wedmont Private Capital5,714$295K0.01%new13F-HRTimeline
Skandinaviska Enskilda Banken AB (publ)6,000$294K0.01%+3,00013F-HRTimeline
Sugar Maple Asset Management, LLC6,000$294K0.18%new13F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC5,663$277K<0.01%-4,79513F-HRTimelineGroup
Impact Partnership Wealth, LLC5,620$275K0.03%+1,79113F-HRTimeline
Green Alpha Advisors, LLC5,577$273K0.27%-24313F-HRTimeline
SBI Securities Co., Ltd.5,530$271K0.01%+42613F-HRTimeline
WORLDQUANT MILLENNIUM ADVISORS LLC5,433$266K<0.01%new13F-HRTimeline
CIBC Asset Management Inc5,381$264K<0.01%013F-HRTimeline
MML INVESTORS SERVICES, LLC5,318$260K<0.01%-8813F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC5,254$257K<0.01%+2,11113F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC4,990$244K<0.01%new13F-HRTimelineGroup
PRAXIS INVESTMENT MANAGEMENT INC4,919$241K0.01%new13F-HRTimeline
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC4,900$240K0.01%new13F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …4,776$234K<0.01%-10313F-HRTimelineGroup
Graham Capital Management, L.P.4,701$230K0.01%-4,37813F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…4,586$225K<0.01%new13F-HRTimelineGroup
FNY Investment Advisers, LLC4,550$222K0.1%+3,55013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC4,491$220K<0.01%-46013F-HRTimelineGroup
Merit Financial Group, LLC4,470$219K<0.01%-9313F-HRTimeline
Three Bridge Wealth Advisors, LLC4,464$219K0.06%013F-HRTimeline
ProShare Advisors LLC4,422$217K<0.01%+33913F-HRTimeline
Wealth Architects, LLC4,364$214K0.02%-1,31513F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC4,262$209K<0.01%new13F-HRTimeline
Sterling Investment Advisors, Ltd.4,250$208K0.04%new13F-HRTimeline
Ankerstar Wealth, LLC4,229$207K0.22%+2,75313F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC4,145$203K<0.01%-46013F-HRTimelineGroup
Eurizon Capital SGR S.p.A.3,439$164K<0.01%-11,08713F-HRTimeline
Cliffwater LLC3,184$156K0.04%013F-HRTimeline
Lodestone Wealth Management LLC3,070$150K0.06%+53213F-HR/ATimeline
Parallel Advisors, LLC2,930$143K<0.01%+91013F-HR/ATimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…2,590$127K<0.01%+95213F-HRTimelineGroup
Liberty Mutual Group Asset Management I…in group Liberty Mutual Group Asset Ma…2,576$126K0.01%013F-HRTimelineGroup
Sterling Capital Management LLC2,542$124K<0.01%-1,21713F-HRTimeline
Farther Finance Advisors, LLC2,230$108K<0.01%+18113F-HRTimeline
DARA CAPITAL US, INC.2,202$108K0.1%013F-HRTimeline
Larson Financial Group LLC2,133$104K<0.01%+2,11613F-HRTimeline
Triumph Capital Management2,079$102K0.02%+1,64613F-HRTimeline
PITTENGER & ANDERSON INC2,031$99.5K<0.01%013F-HRTimeline
Clearstead Advisors, LLC2,000$97.9K<0.01%+1,98913F-HRTimeline
1620 INVESTMENT ADVISORS, INC.1,895$92.8K0.06%new13F-HRTimeline
Leonteq Securities AG1,658$81.2K<0.01%-21113F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,620$79.3K<0.01%+1,43113F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,476$72.3K<0.01%+1,06213F-HR/ATimelineGroup
GAMMA Investing LLC1,261$61.8K<0.01%+55213F-HRTimeline
Operose Advisors LLC1,191$58.3K0.01%013F-HRTimeline
Allworth Financial LP1,157$56.7K<0.01%+35413F-HRTimeline
Noble Wealth Management PBC1,088$53.3K0.03%-3,39713F-HRTimeline
Sunbelt Securities, Inc.936$45.8K<0.01%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC927$45.4K<0.01%+90613F-HRTimeline
HARBOUR INVESTMENTS, INC.908$44.5K<0.01%+40813F-HRTimeline
SIGNATUREFD, LLC719$35.2K<0.01%+21113F-HRTimeline
Innovative Asset Advisors Group, LLC715$35K0.02%13F-HRTimeline
Heritage Wealth Advisors620$30.4K<0.01%013F-HRTimeline
Nemes Rush Group LLC600$29.4K<0.01%013F-HRTimeline
Advocate Investing Services LLC600$29.4K0.02%+10013F-HRTimeline
Versant Capital Management, Inc599$29.3K<0.01%new13F-HRTimeline
Essential Partners LLC570$27.9K0.01%+28413F-HRTimeline
ROTHSCHILD INVESTMENT LLC568$27.8K<0.01%-26913F-HRTimeline
Sound Income Strategies, LLC467$22.7K<0.01%new13F-HRTimeline
Bayforest Capital Ltd431$21.1K0.02%new13F-HRTimeline
Catalyst Capital Advisors LLC400$19.6K<0.01%013F-HRTimeline
MARK SHEPTOFF FINANCIAL PLANNING, LLC300$17.1K0.01%013F-HRTimeline
CX Institutional324$16K<0.01%new13F-HRTimeline
Destiny Wealth Partners, LLC320$15.7K<0.01%new13F-HRTimeline
ST GERMAIN D J CO INCin group ST GERMAIN D J CO INC300$14.7K<0.01%013F-HRTimelineGroup
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp300$14.7K<0.01%-10013F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC298$14.6K<0.01%+19213F-HR/ATimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…230$11.2K<0.01%+13313F-HRTimeline
Founders Capital Management200$9.79K<0.01%new13F-HRTimeline
NewEdge Advisors, LLC175$8.57K<0.01%-1,66513F-HR/ATimeline
Activest Wealth Management174$8.52K<0.01%013F-HRTimeline
Owl Creek Wealth Partners LLC170$8.32K<0.01%13F-HRTimeline
FIRST HORIZON CORP158$7.74K<0.01%-7513F-HRTimeline
Westfuller Advisors, LLC150$7.35K<0.01%013F-HRTimeline
Arax Advisory Partners149$7.3K<0.01%-26313F-HRTimeline
CoreCap Advisors, LLC140$6.86K<0.01%013F-HRTimeline
Bullock Wealth Management Group138$6.71K<0.01%013F-HRTimeline
CLEAR INVESTMENT RESEARCH, LLC134$6.56K0.01%new13F-HRTimeline
Blue Trust, Inc.127$6.22K<0.01%-7513F-HRTimeline
Intentional Wealth Strategies, LLC121$5.92K0.01%13F-HRTimeline
Covestor Ltd99$5K<0.01%-7213F-HRTimeline
DANSKE BANK A/S100$4.9K<0.01%-1,30013F-HRTimeline
Lloyd Advisory Services, LLC.100$4.9K<0.01%new13F-HRTimeline
Kingdom Financial Group LLC.100$4.9K<0.01%013F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC91$4.63K<0.01%+5013F-HRTimeline
Sachetta, LLC91$4.46K<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.90$4.41K<0.01%+6513F-HRTimeline
Geneos Wealth Management Inc.90$4.41K<0.01%-1,00013F-HRTimeline
UMB Bank, n.a.88$4.31K<0.01%+113F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Ascentis Independent Advisorsin group Ascentis Wealth Management, L…85$4.16K<0.01%new13F-HRTimelineGroup
Marquette Asset Management, LLC76$3.72K<0.01%+3213F-HRTimeline
DHJJ Financial Advisors, Ltd.70$3.43K<0.01%+3013F-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