ORION OFFICE REIT INC

Ticker: ONL CUSIP: 68629Y103 Class: COM

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
Kawa Capital Management, Inc5,474,027$12,536
PRIVATE MANAGEMENT GROUP INC5,360,775$12,115
VANGUARD GROUP INC2,749,258$6,213
J. Goldman & Co LP2,158,925$4,879
Parkwood LLC1,940,000$4
BlackRock, Inc.1,792,986$4,052
RENAISSANCE TECHNOLOGIES LLC1,685,800$3,810
RBF Capital, LLC1,000,000$2,260
JANE STREET GROUP, LLC909,210$2,055
GEODE CAPITAL MANAGEMENT, LLC613,061$1,386
D. E. Shaw & Co., Inc.591,957$1,338
DIMENSIONAL FUND ADVISORS LP571,758$1,292
GSA CAPITAL PARTNERS LLP551,210$1
MORGAN STANLEY515,535$1,165
MILLENNIUM MANAGEMENT LLC427,258$966
TWO SIGMA INVESTMENTS, LP385,916$872
SUSQUEHANNA INTERNATIONAL GROUP, LLP342,630$774
Cambria Investment Management, L.P.318,470$720
CHARLES SCHWAB INVESTMENT MANAGEMENT INC313,353$708
RAYMOND JAMES FINANCIAL INC277,335$627
State of Alaska, Department of Revenue261,516$1
STATE STREET CORP255,203$582
TWO SIGMA ADVISERS, LP242,998$549
MARSHALL WACE, LLP238,676$539
Samalin Investment Counsel, LLC212,260$480
683 Capital Management, LLC208,134$470
Mariner, LLC131,819$298
NORTHERN TRUST CORP111,146$251
GOLDMAN SACHS GROUP INC106,556$241
CITADEL ADVISORS LLC95,222$215
NOMURA ASSET MANAGEMENT CO LTD92,200$208
Quinn Opportunity Partners LLC90,768$205
JACOBS LEVY EQUITY MANAGEMENT, INC85,447$193
Qube Research & Technologies Ltd84,371$191
Asset Management One Co., Ltd.81,522$186
Invesco Ltd.65,110$147
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.63,164$143
MACQUARIE GROUP LTD63,164$143
BARCLAYS PLC62,635$142
STIFEL FINANCIAL CORP61,026$138
Sumitomo Mitsui Trust Holdings, Inc.58,959$133
OMERS ADMINISTRATION Corp58,400$132
FMR LLC57,014$129
Point72 Asset Management, L.P.44,708$101
BANK OF AMERICA CORP /DE/43,870$99
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO40,595$92
MEEDER ASSET MANAGEMENT INC39,876$90
Squarepoint Ops LLC38,812$88
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.37,889$86
PenderFund Capital Management Ltd.37,000$84
STATE OF WISCONSIN INVESTMENT BOARD33,700$76
AQR CAPITAL MANAGEMENT LLC32,038$72
BFSG, LLC30,903$70
ALGERT GLOBAL LLC30,279$0
Engineers Gate Manager LP27,721$63
Dupree Financial Group, LLC27,080$61
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP26,381$60
COMMONWEALTH EQUITY SERVICES, LLC22,823$52
Jain Global LLC21,895$49
DEUTSCHE BANK AG\21,776$49
LPL Financial LLC20,802$47
Cambridge Investment Research Advisors, Inc.19,685$0
Resona Asset Management Co.,Ltd.19,668$45
HB Wealth Management, LLC19,160$43
Daiwa Securities Group Inc.18,780$0
BANK OF MONTREAL /CAN/16,692$38
UBS Group AG16,309$37
TWO SIGMA SECURITIES, LLC15,958$36
SmartHarvest Portfolios, LLC15,632$35
PRUDENTIAL FINANCIAL INC14,611$33
XTX Topco Ltd14,349$32
CWM, LLC13,946$0
ROYAL BANK OF CANADA13,548$30
Private Advisor Group, LLC13,473$30
EVOKE WEALTH, LLC13,159$30
AXQ CAPITAL, LP13,151$30
GABELLI FUNDS LLC12,000$27
Tower Research Capital LLC (TRC)11,836$27
WELLS FARGO & COMPANY/MN10,790$24
Quantinno Capital Management LP10,405$24
NISSAY ASSET MANAGEMENT CORP /JAPAN10,243$23
Kestra Advisory Services, LLC9,014$20
NISA INVESTMENT ADVISORS, LLC8,217$19
Russell Investments Group, Ltd.8,205$19
RHUMBLINE ADVISERS6,621$15
OSAIC HOLDINGS, INC.6,471$15
PNC Financial Services Group, Inc.5,260$12
EverSource Wealth Advisors, LLC3,147$7
Spire Wealth Management2,819$6
COMERICA BANK2,651$6
Larson Financial Group LLC2,542$6
CULLEN/FROST BANKERS, INC.1,632$4
MetLife Investment Management, LLC1,441$3
Allworth Financial LP1,270$3
North Star Investment Management Corp.1,170$3
JPMORGAN CHASE & CO1,105$2
Optiver Holding B.V.836$2
MASSMUTUAL TRUST CO FSB/ADV727$2
GROUP ONE TRADING, L.P.530$1
LRI Investments, LLC513$1
92 other institutions8,078$18
Total (192 institutions)31,710,566$65,436