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Disclosery

OII OCEANEERING INTL INC

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COM (common), issuer CIK 73756

296 managers (302 13F filers) reported a position in OII shares at 2025-09-30, 95,575,640 shares in all. 44 filers opened a position and 29 filers sold out during the quarter.

Managers
296
13F filers
302
New
44
Added
108
Reduced
103
Sold out
29
Shares held by filers
95,575,640

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

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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
BlackRock, Inc.in group BlackRock, Inc.15,668,933$388M0.01%-88,29713F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding12,197,964$302M-207,825Timeline
BROWN ADVISORY INCin group BROWN ADVISORY INC7,702,263$191M0.25%+356,62613F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP4,431,886$110M<0.01%-378,94813F-HRTimelineGroup
EARNEST PARTNERS LLC4,016,698$99.5M0.43%-202,68613F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC3,642,873$90.3M0.05%+272,66713F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC3,539,558$87.7M0.06%-81,68913F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP3,285,951$81.4M0.02%+98,33313F-HRTimelineGroup
Greenhouse Funds LLLP2,491,803$61.7M2.4%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC2,252,867$55.8M<0.01%+4,00313F-HRTimelineGroup
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P1,897,037$47M0.06%-29,01013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,425,378$35.3M0.01%+496,58613F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co1,417,423$35.1M0.01%+48,82513F-HRTimelineGroup
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP1,329,295$32.9M0.03%+85,15913F-HRTimelineGroup
FORT WASHINGTON INVESTMENT ADVISORS INC…1,301,792$32.3M0.17%+167,54813F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,288,905$31.9M0.01%-71,75113F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,131,907$28M<0.01%-16,18413F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY1,014,853$25.1M<0.01%-35,83013F-HR/ATimelineGroup
Aristotle Capital Boston, LLCin group ARISTOTLE INVESTMENT SERVICES…843,793$20.9M1.08%-26,77613F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO763,907$18.9M<0.01%+371,58613F-HR/ATimelineGroup
Nuveen, LLCin group TIAA720,028$17.8M<0.01%-35,59113F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources702,746$17.4M<0.01%-533,44713F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/700,261$17.4M<0.01%+160,07013F-HR/ATimelineGroup
Qube Research & Technologies Ltd699,380$17.3M0.02%-112,94513F-HRTimeline
ALGERT GLOBAL LLC649,747$16.1M0.27%+276,81813F-HR/ATimeline
Fisher Asset Management, LLC639,884$15.9M0.01%+66,55413F-HRTimeline
UBS Group AGgroup of 2 filers holding630,703$15.6M-193,855Timeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp617,961$15.3M<0.01%-26,07413F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.613,761$15.2M<0.01%-36,42713F-HRTimelineGroup
Ranger Investment Management, L.P.595,970$14.8M1.03%-18,25513F-HRTimeline
Boston Trust Walden Corpin group Boston Trust Walden Corp594,950$14.7M0.11%+68,82513F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding546,801$13.5M-5,070Timeline
Sagefield Capital LPin group Sagefield Capital LP509,618$12.6M1.41%+104,76813F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding494,805$12.3M-38,500Timeline
TUDOR INVESTMENT CORP ET AL491,928$12.2M0.08%+333,66613F-HR/ATimeline
SCHRODER INVESTMENT MANAGEMENT GROUP477,216$12M0.01%+28,82213F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO466,125$11.6M0.01%+6,39213F-HRTimelineGroup
Goehring & Rozencwajg Associates, LLC466,058$11.5M1.39%+88013F-HRTimeline
Cubist Systematic Strategies, LLC451,155$11.2M0.16%-22,07313F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP443,577$11M0.01%-94,28313F-HRTimelineGroup
Public Sector Pension Investment Board390,866$9.69M0.04%+47,92213F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC386,103$9.57M<0.01%+95,25313F-HR/ATimelineGroup
KEATING INVESTMENT COUNSELORS INC357,973$8.87M2.53%-27,05013F-HRTimeline
PANAGORA ASSET MANAGEMENT INC319,416$7.92M0.03%+113,64313F-HRTimeline
Edgestream Partners, L.P.311,227$7.71M0.23%-92,02013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC302,912$7.51M<0.01%+22,73713F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC286,818$7.11M0.01%+82,14513F-HRTimelineGroup
SIR Capital Management, L.P.272,400$6.75M0.61%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc265,318$6.57M<0.01%-11,72913F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…256,093$6.35M0.01%+140,57813F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC255,943$6.34M<0.01%-17,73713F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN248,128$6.15M<0.01%-1,49613F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD242,429$6.01M0.01%+20,51013F-HRTimeline
RHUMBLINE ADVISERS238,489$5.91M<0.01%-1,10113F-HRTimeline
Old West Investment Management, LLC238,103$5.9M1.35%+41,46613F-HRTimeline
SummitTX Capital, L.P.226,802$5.62M0.23%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC214,728$5.32M<0.01%-517,64313F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management213,209$5.28M0.01%-1,148,70813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC207,803$5.15M<0.01%-12,51713F-HRTimelineGroup
Swiss National Bank194,948$4.83M<0.01%+1,90013F-HRTimeline
EFG Asset Management (North America) Co…181,492$4.5M0.58%+2,08413F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC174,161$4.32M0.04%+94,90313F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.173,571$4.3M<0.01%+79,44413F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS165,387$4.1M<0.01%+136,95713F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…165,340$4.1M0.01%-91213F-HRTimeline
ExodusPoint Capital Management, LP159,952$3.96M0.06%-157,39213F-HRTimeline
ESSEX INVESTMENT MANAGEMENT CO LLC159,261$3.95M0.6%+58,92513F-HRTimeline
SG Americas Securities, LLC156,547$3.88M0.01%+145,94813F-HRTimeline
FMR LLCin group FMR LLC151,541$3.76M<0.01%-133,23213F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\142,179$3.52M<0.01%+7,87913F-HRTimelineGroup
Engineers Gate Manager LP130,662$3.24M0.04%+47,07213F-HRTimeline
AXA Investment Managers S.A.130,217$3.23M0.01%13F-HRTimeline
Empowered Funds, LLC125,279$3.1M0.03%+3,28813F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.117,500$2.91M0.01%-57,50013F-HRTimelineGroup
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…116,164$2.88M0.05%-25,67313F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.113,760$2.82M<0.01%-2,90013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC112,300$2.78M<0.01%+26,70013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC105,124$2.6M<0.01%+37,20213F-HRTimelineGroup
Schonfeld Strategic Advisors LLC102,161$2.53M0.02%+69,21513F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC98,513$2.44M0.05%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC97,279$2.41M<0.01%-117,71313F-HRTimelineGroup
ISTHMUS PARTNERS, LLC96,923$2.4M0.53%+7,10113F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…96,469$2.39M<0.01%-50,07913F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…93,347$2.31M<0.01%+513F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/93,048$2.31M<0.01%+4,09713F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…92,602$2.29M0.01%-6,57913F-HRTimelineGroup
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…89,960$2.23M<0.01%+2,95613F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co85,445$2.14M<0.01%+2,34213F-HRTimelineGroup
JENNISON ASSOCIATES LLC80,904$2M<0.01%+9,56213F-HRTimeline
Glenorchy Capital Ltd73,567$1.82M1.32%-2,76113F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …66,710$1.65M0.02%-68813F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC66,186$1.64M0.01%+3,29313F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.63,738$1.58M<0.01%-52,40813F-HRTimelineGroup
CoreCommodity Management, LLC63,123$1.56M0.28%-34,92813F-HRTimeline
CITIGROUP INCin group CITIGROUP INC60,579$1.5M<0.01%-36,45413F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC58,803$1.44M<0.01%+20,37813F-HRTimelineGroup
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC56,620$1.4M0.01%-4,49213F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…55,784$1.38M0.01%-1,09713F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC55,097$1.37M0.02%-25,27113F-HRTimeline
State of Alaska, Department of Revenue54,078$1.34M0.01%-5,82213F-HRTimeline
Annex Advisory Services, LLC53,597$1.33M0.03%new13F-HRTimeline
ROYCE & ASSOCIATES LP53,017$1.31M0.01%013F-HRTimeline
Illinois Municipal Retirement Fund52,673$1.31M0.02%+3,40913F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC51,732$1.28M<0.01%-4,45313F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…50,953$1.26M0.02%+8,50013F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS49,956$1.24M<0.01%+8,34513F-HRTimeline
State of Tennessee, Department of Treas…49,044$1.22M<0.01%+2,61513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…48,699$1.21M<0.01%+20,00013F-HRTimeline
Campbell & CO Investment Adviser LLC46,616$1.16M0.09%+26,60413F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …46,335$1.15M<0.01%-4,63913F-HRTimelineGroup
Louisiana State Employees Retirement Sy…46,100$1.14M0.02%-90013F-HRTimeline
Legato Capital Management LLC45,987$1.14M0.12%+15,99913F-HRTimeline
COMERICA BANK45,287$1.12M<0.01%-10,56613F-HRTimeline
LPL Financial LLC44,096$1.09M<0.01%-25,66313F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson44,018$1.09M<0.01%013F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…43,683$1.08M<0.01%-7,84713F-HRTimelineGroup
South Dakota Investment Council41,600$1.03M0.02%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC40,855$1.01M<0.01%+5,90813F-HRTimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers40,668$1.01M<0.01%+2,82413F-HRTimelineGroup
Fulcrum Asset Management LLP40,034$992K0.28%-1,11213F-HR/ATimeline
Manatuck Hill Partners, LLC40,000$991K0.34%new13F-HRTimeline
SummerHaven Investment Management, LLC39,040$967K0.56%new13F-HRTimeline
FOX RUN MANAGEMENT, L.L.C.38,023$942K0.15%+8,36613F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…37,590$931K<0.01%-141,76613F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC34,663$859K<0.01%-15,62413F-HRTimeline
IEQ CAPITAL, LLC32,514$806K<0.01%-3,51313F-HRTimeline
Inspire Investing, LLCgroup of 2 filers holding31,554$782K+8,820Timeline
NEW YORK STATE COMMON RETIREMENT FUND31,248$774K<0.01%013F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC30,940$767K0.01%-6,55213F-HRTimeline
Trexquant Investment LP29,954$742K0.01%new13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM29,767$738K<0.01%+27013F-HRTimeline
Creative Planningin group Creative Planning29,473$730K<0.01%+13,21813F-HRTimelineGroup
Horizon Investments, LLC29,058$720K0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.29,082$712K<0.01%-2,01113F-HRTimelineGroup
Oldfield Partners LLP28,729$712K0.22%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…28,708$711K<0.01%013F-HRTimeline
AMALGAMATED BANK28,647$710K0.01%-7113F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…28,189$698K0.01%013F-HRTimeline
West Tower Group, LLC27,000$669K1.94%013F-HRTimeline
Sumitomo Mitsui Trust Group, Inc.in group Sumitomo Mitsui Trust Group, …26,394$654K<0.01%-74113F-HRTimelineGroup
Amova Asset Management Americas, Inc.in group Amova Asset Management Americ…26,394$654K0.01%-74113F-HRTimelineGroup
Police & Firemen's Retirement System of…26,029$645K0.01%+4,42913F-HRTimeline
Carlson Capital, L.P.25,900$642K0.36%-1,80013F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.25,829$640K0.05%+1,86313F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…25,520$632K<0.01%-30713F-HRTimeline
Hennion & Walsh Asset Management, Inc.24,000$595K0.02%013F-HRTimeline
Mariner, LLCin group Mariner, LLC23,765$589K<0.01%+1,33513F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND22,528$558K0.01%-30013F-HRTimeline
CAPTRUST FINANCIAL ADVISORS21,788$540K<0.01%+3,89213F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…22,012$537K<0.01%+6,81413F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd20,717$513K0.02%-10,59513F-HRTimelineGroup
CONNABLE OFFICE INC20,578$510K0.05%013F-HRTimeline
KLP KAPITALFORVALTNING AS20,300$503K<0.01%013F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC19,336$479K<0.01%+2,80813F-HRTimeline
Versor Investments LP19,127$474K0.09%+3,80013F-HRTimeline
NewEdge Advisors, LLC19,015$471K<0.01%new13F-HRTimeline
iSAM Funds (UK) Ltdin group iSAM Funds (UK) Ltd18,887$468K0.1%new13F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC18,800$466K<0.01%new13F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC18,748$465K<0.01%-16,28813F-HRTimeline
Dynamic Technology Lab Private Ltd18,457$457K0.08%new13F-HRTimeline
HighTower Advisors, LLC17,845$442K<0.01%+1,28513F-HRTimeline
Man Group plcin group Man Group plc17,830$442K<0.01%+3013F-HRTimelineGroup
ProShare Advisors LLC17,820$442K<0.01%-3,28513F-HRTimeline
AlphaQuest LLC17,766$440K0.03%-66,70913F-HRTimeline
CWM, LLCin group CWM, LLC17,701$439K<0.01%+4,02113F-HRTimelineGroup
DIVERSIFIED TRUST CO17,074$423K0.01%+1,08613F-HRTimeline
INCEPTIONR LLC16,621$412K0.1%-6,71213F-HRTimeline
CenterBook Partners LP16,515$409K0.02%new13F-HRTimeline
ARISTEIA CAPITAL, L.L.C.16,061$398K0.01%new13F-HRTimeline
Bleakley Financial Group, LLC15,901$394K0.01%-4613F-HRTimeline
DRW Securities, LLC15,443$384K0.02%-32,66713F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…15,468$383K<0.01%+5,52913F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/15,231$377K<0.01%-8,97613F-HRTimelineGroup
Quantinno Capital Management LP14,820$367K<0.01%+4,59213F-HRTimeline
NISA INVESTMENT ADVISORS, LLC14,739$365K<0.01%+33913F-HRTimeline
Arax Advisory Partners14,640$363K0.01%+14,55813F-HRTimeline
CSM Advisors, LLC14,455$359K0.01%+42813F-HRTimeline
Maryland State Retirement & Pension Sys…14,406$357K0.01%-15,10513F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…14,131$350K<0.01%013F-HRTimeline
MACKENZIE FINANCIAL CORP13,971$346K<0.01%-2,93413F-HRTimeline
PROFUND ADVISORS LLC13,914$345K0.01%-3,11813F-HRTimeline
Gallacher Capital Management LLC12,836$318K0.13%new13F-HRTimeline
Verition Fund Management LLC12,825$318K<0.01%-11,70813F-HRTimeline
Aigen Investment Management, LP12,539$311K0.05%new13F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…12,329$306K<0.01%-3,74813F-HRTimelineGroup
Integrated Investment Consultants, LLC12,093$300K0.05%013F-HRTimeline
Cambridge Investment Research Advisors,…12,021$298K<0.01%+19613F-HRTimeline
Bridgefront Capital, LLC11,819$293K0.09%+1,54913F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC11,807$293K<0.01%+25513F-HRTimelineGroup
Round Rock Advisors LLC11,374$282K0.04%new13F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…11,225$278K<0.01%-1,69713F-HRTimelineGroup
GREAT LAKES ADVISORS, LLC11,049$274K<0.01%+6213F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC11,012$273K<0.01%-1,73413F-HRTimelineGroup
State of Wyoming10,678$265K0.03%new13F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC10,556$262K<0.01%+82413F-HRTimelineGroup
Central Pacific Bank - Trust Division10,434$259K0.03%+36413F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP10,355$257K<0.01%+17013F-HRTimelineGroup
CIBC Bancorp USA Inc.group of 2 filers holding10,068$249K+10,023Timeline
Rathbones Group PLC10,000$248K<0.01%013F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…10,000$248K<0.01%013F-HRTimeline