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Disclosery

RBRK RUBRIK INC.

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CL A (common), issuer CIK 1943896

465 managers (473 13F filers) reported a position in RBRK shares at 2025-12-31, 115,547,040 shares in all. 94 filers opened a position and 76 filers sold out during the quarter.

Managers
465
13F filers
473
New
94
Added
182
Reduced
124
Sold out
76
Shares held by filers
115,547,040

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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
Cerity Partners LLCin group Cerity Partners LLC18,188$1.39M<0.01%-18,11713F-HRTimelineGroup
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…18,136$1.39M<0.01%+9,04113F-HRTimelineGroup
Caprock Group, LLC18,002$1.38M0.03%-19513F-HRTimeline
Buckland Partners Management Co LLC18,000$1.38M0.76%13F-HRTimeline
MONEY CONCEPTS CAPITAL CORP17,511$1.34M0.08%new13F-HRTimeline
Wilmington Savings Fund Society, FSB17,366$1.33M0.03%+16,70013F-HRTimeline
SCS Capital Management LLC17,141$1.31M0.01%013F-HRTimeline
Gotham Asset Management, LLC16,705$1.28M<0.01%-8,85913F-HRTimeline
Penn Mutual Asset Management16,472$1.26M0.75%+5,93113F-HRTimeline
Avestar Capital, LLC16,114$1.23M0.08%-3,50013F-HRTimeline
Persistent Asset Partners Ltd16,000$1.22M0.59%013F-HRTimeline
Orion Porfolio Solutions, LLC15,829$1.21M0.01%+6,72313F-HRTimeline
CWM, LLCin group CWM, LLC15,808$1.21M<0.01%+12513F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC15,711$1.2M<0.01%-23,50113F-HRTimeline
Waldron Private Wealth LLC15,635$1.2M0.05%013F-HRTimeline
Versor Investments LP15,535$1.19M0.19%+1,80113F-HRTimeline
Dynamic Technology Lab Private Ltd15,398$1.18M0.27%+3,45213F-HRTimeline
XPONANCE LLC15,072$1.15M0.01%+2,34213F-HRTimeline
Eurizon Capital SGR S.p.A.14,526$1.11M<0.01%13F-HRTimeline
Aquatic Capital Management LLC14,337$1.1M0.03%-103,26213F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…14,273$1.09M<0.01%+4,87313F-HRTimeline
Pacer Advisors, Inc.14,033$1.07M<0.01%+7,18113F-HR/ATimeline
Mass General Brigham, Inc14,000$1.07M0.13%13F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC13,892$1.06M0.08%+1,32913F-HRTimeline
Illinois Municipal Retirement Fund13,872$1.06M0.01%-5,28413F-HRTimeline
Cresset Asset Management, LLC13,828$1.06M<0.01%+37613F-HRTimeline
Bay Colony Advisory Group, Inc d/b/a Ba…13,282$1.02M0.12%-25213F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV13,114$1M<0.01%+5,08613F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP12,856$983K<0.01%-27,89613F-HRTimelineGroup
Pekao Towarzystwo Funduszy Inwestycyjny…12,105$926K0.76%13F-HRTimeline
SIERRA SUMMIT ADVISORS LLC12,059$922K0.14%new13F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT12,012$919K0.01%new13F-HRTimeline
Quent Capital, LLC12,010$919K0.07%+11,98813F-HRTimeline
Migdal Insurance & Financial Holdings L…in group Migdal Insurance & Financial …12,000$918K0.01%-1,00013F-HRTimelineGroup
Snowden Capital Advisors LLC11,935$913K0.02%+13413F-HRTimeline
J.W. COLE ADVISORS, INC.12,103$910K0.02%new13F-HRTimeline
EVENTIDE ASSET MANAGEMENT, LLC11,426$877K0.01%+30413F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\11,110$850K<0.01%-65,56313F-HRTimelineGroup
Coastal Bridge Advisors, LLC10,892$833K0.06%-17513F-HRTimeline
Sanctuary Advisors, LLC10,595$810K<0.01%+3,83813F-HRTimeline
Headlands Technologies LLC10,586$810K0.07%new13F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC10,458$800K<0.01%+3,87513F-HRTimelineGroup
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC10,264$785K<0.01%new13F-HRTimelineGroup
BIP Wealth, LLC10,007$765K0.03%new13F-HRTimeline
ALPINE WOODS CAPITAL INVESTORS, LLCin group ALPINE WOODS CAPITAL INVESTOR…10,000$765K0.18%new13F-HRTimelineGroup
DIKER MANAGEMENT LLCin group DIKER MANAGEMENT LLC10,000$765K0.59%-14,00013F-HRTimelineGroup
Federation des caisses Desjardins du Qu…9,976$763K<0.01%+2,84913F-HRTimeline
Holos Integrated Wealth LLC10,000$755K0.42%013F-HRTimeline
Cambridge Investment Research Advisors,…9,631$737K<0.01%-77113F-HRTimeline
Y-Intercept (Hong Kong) Ltd9,573$732K0.02%new13F-HRTimeline
Advisors Asset Management, Inc.9,331$714K0.01%+8,47213F-HR/ATimeline
DC Investments Management, LLC9,263$708K0.31%013F-HRTimeline
Utah Retirement Systems9,257$708K0.01%+3,12513F-HRTimeline
MAI Capital Management9,185$702K<0.01%+20713F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…9,166$701K<0.01%+2,19313F-HR/ATimelineGroup
SIMPLEX TRADING, LLC9,152$700K0.02%-36,27613F-HRTimeline
AMALGAMATED BANK9,091$695K0.01%+1,14413F-HRTimeline
Graham Capital Management, L.P.9,079$694K0.02%-2,72113F-HRTimeline
CAPTRUST FINANCIAL ADVISORS9,050$692K<0.01%+5,12813F-HRTimeline
COHEN & STEERS, INC.in group COHEN & STEERS, INC.9,000$688K<0.01%013F-HRTimelineGroup
IFP Advisors, Inc8,836$676K0.02%+1,95913F-HRTimeline
China Universal Asset Management Co., L…8,500$650K0.05%013F-HRTimeline
Darden Wealth Group Inc8,394$642K0.31%+11113F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC8,368$640K<0.01%-1,69713F-HRTimelineGroup
Eddie Patel Inc8,137$622K0.46%13F-HRTimeline
Teamwork Financial Advisors, LLC8,087$618K0.07%new13F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC8,050$616K0.02%-6,67613F-HRTimeline
BLAIR WILLIAM & CO/IL8,025$614K<0.01%new13F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC7,999$612K<0.01%+15213F-HRTimelineGroup
Janney Montgomery Scott LLC7,771$594K<0.01%-2,76213F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…7,630$584K0.01%-8,59313F-HRTimelineGroup
Financial Perspectives, Inc7,505$574K0.15%013F-HRTimeline
Rakuten Group, Inc.group of 2 filers holding7,027$537K-7,101Timeline
VIRGINIA RETIREMENT SYSTEMS ET Al7,000$535K<0.01%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd6,919$529K0.01%-6,98413F-HRTimelineGroup
NOVARE CAPITAL MANAGEMENT LLC6,800$520K0.04%+1,52013F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC6,750$516K<0.01%-21,53513F-HRTimeline
Choate Investment Advisors6,700$512K0.01%013F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…6,650$509K<0.01%+1,50313F-HRTimelineGroup
DIVERSIFIED TRUST CO6,541$500K0.01%-4,64013F-HRTimeline
Maryland State Retirement & Pension Sys…6,495$497K0.01%+70013F-HRTimeline
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…6,300$482K0.12%+2,30013F-HRTimeline
Register Financial Advisors LLC6,200$474K0.18%new13F-HRTimeline
RFG Advisory, LLC6,105$467K0.01%+1,68513F-HRTimeline
Callan Family Office, LLC6,089$466K0.01%+1,02813F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…6,036$462K<0.01%+81113F-HRTimelineGroup
Shay Capital LLC6,000$459K0.07%new13F-HRTimeline
StoneCrest Wealth Management, Inc.5,989$458K0.18%+2,40813F-HRTimeline
State of Wyoming5,979$457K0.05%+3,38813F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC5,861$448K<0.01%+1,95813F-HRTimelineGroup
Green Alpha Advisors, LLC5,820$445K0.41%-62413F-HRTimeline
LIFE LINE WEALTH MANAGEMENT LLC5,761$441K0.13%013F-HRTimeline
OXFORD ASSET MANAGEMENT LLP5,726$438K0.16%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Odyssean, LLC5,715$437K0.31%13F-HRTimeline
PharVision Advisers, LLC5,682$435K0.22%+1,87013F-HRTimeline
Wealth Architects, LLC5,679$434K0.04%+113F-HRTimeline
MML INVESTORS SERVICES, LLC5,406$413K<0.01%+59613F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd5,400$413K0.01%new13F-HRTimelineGroup
CIBC Asset Management Inc5,381$412K<0.01%new13F-HRTimeline
AlTi Global, Inc.in group AlTi Global, Inc.5,373$411K0.01%new13F-HRTimelineGroup
Perigon Wealth Management, LLC5,351$409K0.01%-21313F-HRTimeline
Greenline Wealth Management LLC5,288$404K0.42%13F-HRTimeline
THOROUGHBRED FINANCIAL SERVICES, LLC5,244$401K0.02%-52413F-HRTimeline
Haven Private, LLC5,206$398K0.17%-1,55313F-HRTimeline
SBI Securities Co., Ltd.5,104$390K0.01%-4,93213F-HRTimeline
CAXTON ASSOCIATES LLP5,049$386K0.01%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC4,951$379K<0.01%-81,93813F-HRTimelineGroup
AXQ CAPITAL, LP4,933$377K0.09%new13F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding4,879$373K-9,210Timeline
MIRABELLA FINANCIAL SERVICES LLP4,876$373K0.04%new13F-HRTimeline
BAMCO INC /NY/in group Baron Capital4,752$363K<0.01%new13F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC4,605$352K<0.01%-2,78013F-HRTimelineGroup
Merit Financial Group, LLC4,563$349K<0.01%new13F-HRTimeline
South Shore Capital Advisors4,538$347K0.25%13F-HRTimeline
Advisory Services Network, LLC4,490$343K<0.01%+4,47613F-HRTimeline
Noble Wealth Management PBC4,485$343K0.17%-27513F-HRTimeline
CHESAPEAKE CAPITAL CORP /IL/4,470$342K0.29%013F-HRTimeline
Three Bridge Wealth Advisors, LLC4,464$341K0.09%013F-HRTimeline
AlphaGrep UK Ltd4,216$322K0.11%13F-HRTimeline
Lexington Partners L.P.4,180$320K0.09%new13F-HRTimeline
Robeco Institutional Asset Management B…in group Robeco Institutional Asset Ma…4,126$316K<0.01%-14,70613F-HRTimelineGroup
North Dakota State Investment Board4,112$314K0.01%13F-HRTimeline
ProShare Advisors LLC4,083$312K<0.01%+51813F-HRTimeline
Straight Path Wealth Management4,070$311K0.08%-10013F-HRTimeline
MEITAV INVESTMENT HOUSE LTDin group MEITAV INVESTMENT HOUSE LTD4,000$306K<0.01%013F-HRTimelineGroup
Impact Partnership Wealth, LLC3,829$293K0.04%new13F-HRTimeline
Neo Ivy Capital Management3,820$292K0.05%new13F-HRTimeline
Sterling Capital Management LLC3,759$287K<0.01%+75713F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…3,650$279K<0.01%new13F-HRTimelineGroup
111 Capital3,634$278K0.06%new13F-HRTimeline
Adams Wealth Management3,573$276K0.06%013F-HRTimeline
CacheTech Inc.3,573$276K0.05%013F-HRTimeline
Axim Planning & Wealth3,592$275K0.29%+99813F-HRTimeline
Aigen Investment Management, LP3,486$267K0.06%-4,64813F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP3,408$261K<0.01%+1,18013F-HRTimelineGroup
GC Wealth Management RIA, LLC3,349$256K0.01%013F-HRTimeline
Moors & Cabot, Inc.3,337$255K0.01%+28213F-HRTimeline
CURA WEALTH ADVISORS, LLC3,302$253K0.1%+10213F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.3,276$251K<0.01%-513F-HRTimelineGroup
Limestone Investment Advisors LP3,238$248K0.17%new13F-HRTimeline
Cliffwater LLC3,184$244K0.05%013F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding3,143$240K-51,414Timeline
Cisco Systems, Inc.in group Cisco Systems, Inc.3,092$236K0.07%new13F-HRTimelineGroup
LOCKHEED MARTIN INVESTMENT MANAGEMENT CO3,092$236K0.01%new13F-HRTimeline
Motley Fool Asset Management LLCin group Motley Fool Asset Management …3,072$235K0.01%new13F-HRTimelineGroup
C M BIDWELL & ASSOCIATES LTD3,071$235K0.11%+88813F-HRTimeline
ALBION FINANCIAL GROUP /UT3,000$229K0.01%new13F-HRTimeline
Skandinaviska Enskilda Banken AB (publ)3,000$229K<0.01%new13F-HRTimeline
PFG Advisors2,981$228K0.01%new13F-HRTimeline
Optimist Retirement Group LLC2,972$227K0.1%new13F-HRTimeline
Private Advisory Group LLC2,919$223K0.02%new13F-HRTimeline
Fund Advisors of America Inc/FL2,915$223K0.2%13F-HRTimeline
ALLEN OPERATIONS LLCgroup of 2 filers holding2,680$205K-11,390Timeline
Lido Advisors, LLCin group Lido Advisors, LLC2,567$205K<0.01%new13F-HRTimelineGroup
Integrated Wealth Concepts LLC2,643$202K<0.01%-4,58813F-HRTimeline
STRATEGIC PLANNING GROUP, LLC2,628$201K0.03%013F-HRTimeline
Liberty Mutual Group Asset Management I…in group Liberty Mutual Group Asset Ma…2,576$197K0.02%new13F-HRTimelineGroup
Lodestone Wealth Management LLC2,538$194K0.08%-4413F-HRTimeline
DARA CAPITAL US, INC.2,202$168K0.15%13F-HRTimeline
WEXFORD CAPITAL LP2,189$167K0.04%-93413F-HRTimeline
COMERICA BANK2,137$163K<0.01%+99813F-HRTimeline
Farther Finance Advisors, LLC2,049$157K<0.01%+5213F-HRTimeline
PITTENGER & ANDERSON INC2,031$155K0.01%013F-HRTimeline
Parallel Advisors, LLC2,020$154K<0.01%+1513F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …1,946$149K<0.01%+80013F-HRTimelineGroup
Leonteq Securities AG1,869$143K0.01%+53413F-HRTimeline
NewEdge Advisors, LLC1,840$141K<0.01%+49013F-HRTimeline
CENTAURUS FINANCIAL, INC.1,765$135K0.01%013F-HRTimeline
NVWM, LLC1,646$126K0.03%-42413F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,638$125K<0.01%+39913F-HRTimelineGroup
Ankerstar Wealth, LLC1,476$113K0.11%13F-HRTimeline
DANSKE BANK A/S1,400$107K<0.01%+40013F-HRTimeline
Operose Advisors LLC1,191$91.1K0.02%-3,29513F-HRTimeline
Geneos Wealth Management Inc.1,090$83.4K<0.01%013F-HRTimeline
DV Trading LLC1,002$76.6K0.01%13F-HRTimeline
Ramirez Asset Management, Inc.1,000$76.5K0.01%013F-HRTimeline
FNY Investment Advisers, LLC1,000$76K0.02%-10,00013F-HRTimeline
ROTHSCHILD INVESTMENT LLC837$64K<0.01%-32113F-HRTimeline
Allworth Financial LP803$61.4K<0.01%+6113F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.745$57K<0.01%-12,89013F-HRTimelineGroup
GAMMA Investing LLC709$54.2K<0.01%+49813F-HRTimeline
Heritage Wealth Advisors620$47.4K<0.01%new13F-HRTimeline
Nemes Rush Group LLC600$45.9K<0.01%013F-HRTimeline
SIGNATUREFD, LLC508$38.9K<0.01%-2913F-HRTimeline
HARBOUR INVESTMENTS, INC.500$38.2K<0.01%+17413F-HRTimeline
Advocate Investing Services LLC500$38.2K0.03%13F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC488$34.7K<0.01%new13F-HRTimeline
Triumph Capital Management433$33.1K0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…414$31.7K<0.01%+4913F-HRTimelineGroup
Arax Advisory Partners412$31.5K<0.01%-5,88913F-HRTimeline
Quarry LP406$31.1K0.01%-2,36313F-HRTimeline
Banque Cantonale Vaudoisein group Banque Cantonale Vaudoise410$31K<0.01%013F-HRTimelineGroup
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp400$30.6K<0.01%+20013F-HRTimelineGroup
Catalyst Capital Advisors LLC400$30.6K<0.01%013F-HRTimeline
Aster Capital Management (DIFC) Ltd303$23.2K0.01%-3,29813F-HRTimeline
ST GERMAIN D J CO INCin group ST GERMAIN D J CO INC300$22.9K<0.01%013F-HRTimelineGroup
MARK SHEPTOFF FINANCIAL PLANNING, LLC300$22.9K0.01%013F-HRTimeline
Essential Partners LLC286$21.9K0.01%-50213F-HRTimeline
FIRST HORIZON CORP233$17.8K<0.01%+9613F-HRTimeline
Blue Trust, Inc.202$15.4K<0.01%+18813F-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