City Office REITCIO
13F holders, Q4 2025 (December 31)152holders +5
24new positions
18sold out
5famous investors
$6.99avg. 13F price*
At the end of Q4 2025, 152 institutions reported holding City Office REIT Inc. (CIO) in their 13F filings, up 5 from Q3 2025. 24 opened new positions and 18 sold out. The largest holders were BlackRock, Inc. ($23.4M), Newtyn Management, LLC ($19.6M) and Glazer Capital, LLC ($19.4M). 5 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- City Office REIT Inc.
- CUSIP
- 178587101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $25.7M |
| Exits | 18 | $21.0M |
All 13F filers, Q3 2025 → Q4 2025: 7,513,859 shares bought and 5,989,059 shares sold, net +1,524,800 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 152 holders
| BlackRock, Inc. | 0.00% | Add +2.4% | 3,352,706 | $23.4M |
| Newtyn Management, LLC | 2.07% | Reduce -28.9% | 2,800,000 | $19.6M |
| Glazer Capital, LLC | 0.57% | Add +22.1% | 2,775,000 | $19.4M |
| Vanguard Group Inc. | 0.00% | Add +1.5% | 2,170,563 | $15.2M |
| Trium Capital LLP | 11.01% | New | 2,027,163 | $14.2M |
| FIL Ltd | 0.01% | No change | 1,614,545 | $11.3M |
| Nomura Holdings Inc. | 0.03% | Reduce -19.9% | 1,410,430 | $9.9M |
| Gabelli Funds LLC | 0.05% | Add +165.5% | 1,041,665 | $7.3M |
| Magnetar Financial LLC | 0.07% | Add +2.3% | 1,012,143 | $7.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -6.0% | 876,753 | $6.1M |
| State Street Corp. | 0.00% | Reduce -0.4% | 867,444 | $6.1M |
| Gardner Lewis Asset Management L P | 1.35% | New | 764,158 | $5.3M |
| Morgan Stanley | 0.00% | Reduce -34.7% | 759,313 | $5.3M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.73% | Add +184.0% | 693,050 | $4.8M |
| Toronto Dominion Bank | 0.01% | Add +538.3% | 612,093 | $4.3M |
| Prelude Capital Management, LLC | 0.21% | Add +732.0% | 415,998 | $2.9M |
| Groupe la Francaise | 0.04% | Add +103.6% | 412,718 | $2.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +21.3% | 377,708 | $2.6M |
| Carmignac Gestion | 0.04% | No change | 375,233 | $2.6M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -1.4% | 332,766 | $2.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -4.1% | 326,091 | $2.3M |
| Northern Trust Corp. | 0.00% | Reduce -5.2% | 325,778 | $2.3M |
| Millennium Management | 0.00% | Reduce -35.8% | 291,630 | $2.0M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -30.9% | 289,834 | $2.0M |
| Credit Industriel Et Commercial | 0.44% | Add +103.6% | 275,144 | $1.9M |
| Wolverine Asset Management LLC | 0.11% | Add +198.5% | 269,491 | $1.9M |
| Versor Investments LP | 0.29% | Add +1.1% | 267,841 | $1.9M |
| Engine Capital Management, LP | 0.22% | No change | 231,020 | $1.6M |
| Focus Partners Wealth | 0.00% | New | 228,818 | $1.6M |
| Squarepoint Ops LLC | 0.00% | Add +344.6% | 213,443 | $1.5M |
| CSS LLC | 0.24% | Add +1970.1% | 207,013 | $1.4M |
| FNY Investment Advisers, LLC | 0.36% | New | 178,829 | $1.3M |
| Quantinno Capital Management LP | 0.00% | Add +6.9% | 177,732 | $1.2M |
| Qube Research & Technologies Ltd | 0.00% | Add +31.8% | 155,337 | $1.1M |
| UBS Group AG | 0.00% | Add +86.1% | 152,344 | $1.1M |
| XTX Topco Ltd | 0.03% | New | 142,646 | $997K |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.3% | 118,996 | $832K |
| Cambria Investment Management, L.P. | 0.05% | Add +0.0% | 113,223 | $791K |
| Nuveen, LLC | 0.00% | Reduce -13.6% | 100,482 | $702K |
| Victory Capital Management Inc. | 0.00% | Reduce -2.1% | 96,900 | $677K |
| LMR Partners LLP | 0.01% | New | 90,800 | $635K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -11.4% | 88,623 | $619K |
| Jane Street Group, LLC | 0.00% | Reduce -7.5% | 86,307 | $603K |
| LSV Asset Management | 0.00% | Reduce -44.1% | 84,000 | $587K |
| D. E. Shaw & Co. | 0.00% | Reduce -62.2% | 72,767 | $509K |
| Nomura Asset Management Co. Ltd. | 0.00% | Add +17.6% | 66,700 | $466K |
| AlphaCore Capital LLC | 0.01% | Reduce -32.1% | 63,125 | $441K |
| Alliancebernstein L.P. | 0.00% | Reduce -7.5% | 61,929 | $433K |
| Virtu Financial LLC | 0.02% | Add +5.7% | 61,580 | $430K |
| Water Island Capital LLC | 0.06% | Add +13.2% | 61,498 | $430K |
| Barclays PLC | 0.00% | Add +10.6% | 60,887 | $426K |
| PenderFund Capital Management Ltd. | 0.16% | Add +39.1% | 58,700 | $410K |
| Rhumbline Advisers | 0.00% | Reduce -12.6% | 54,460 | $381K |
| Asset Management One Co., Ltd. | 0.00% | No change | 53,460 | $372K |
| JPMorgan Chase & Co. | 0.00% | Reduce -79.8% | 52,782 | $369K |
| GAMCO Investors | 0.00% | Add +78.6% | 50,000 | $350K |
| AQR Capital Management | 0.00% | Add +5.6% | 47,504 | $332K |
| PharVision Advisers, LLC | 0.16% | New | 46,164 | $323K |
| Odyssean, LLC | 0.22% | — | 44,385 | $310K |
| Osaic Holdings, Inc. | 0.00% | Reduce -9.7% | 44,232 | $309K |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -2.2% | 44,226 | $309K |
| Wells Fargo & Company | 0.00% | Add +46.2% | 43,854 | $307K |
| CastleKnight Management LP | 0.02% | No change | 42,300 | $296K |
| Cannon Global Investment Management, LLC | 0.74% | New | 40,000 | $280K |
| Two Sigma Advisers, LP | 0.00% | Add +98.3% | 35,500 | $248K |
| Bank of America Corp. | 0.00% | Add +97.8% | 30,849 | $216K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | No change | 30,780 | $215K |
| State of Wisconsin Investment Board | 0.00% | Reduce -51.1% | 28,100 | $196K |
| Boothbay Fund Management, LLC | 0.01% | Add +138.3% | 27,850 | $195K |
| Balyasny Asset Management L.P. | 0.00% | New | 25,570 | $179K |
| Gsa Capital Partners LLP | 0.02% | Reduce -50.8% | 25,270 | $177K |
| Invesco Ltd. | 0.00% | Reduce -61.0% | 24,731 | $173K |
| FMR LLC | 0.00% | Add +15.6% | 24,578 | $172K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -1.8% | 24,361 | $170K |
| Kestra Advisory Services, LLC | 0.00% | Reduce -23.1% | 24,010 | $168K |
| Point72 Asset Management | 0.00% | New | 23,790 | $166K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 20,966 | $147K |
| Pinnacle Wealth Planning Services, Inc. | 0.01% | No change | 20,257 | $142K |
| State of Alaska, Department of Revenue | 0.00% | No change | 18,914 | $131K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.9% | 18,165 | $127K |
| Intech Investment Management LLC | 0.00% | No change | 17,665 | $123K |
| M&T Bank Corp | 0.00% | New | 17,517 | $122K |
| B. Riley Wealth Advisors, Inc. | 0.01% | Add +3.5% | 17,395 | $122K |
| HRT Financial LP | 0.00% | New | 17,190 | $120K |
| MetLife Investment Management, LLC | 0.00% | Reduce -29.7% | 16,716 | $117K |
| Resona Asset Management Co.,Ltd. | 0.00% | Reduce -14.4% | 16,508 | $115K |
| Harvest Investment Services, LLC | 0.02% | Reduce -24.3% | 16,339 | $114K |
| Sei Investments Co. | 0.00% | No change | 15,246 | $107K |
| Murchinson Ltd. | 0.06% | New | 14,400 | $101K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 19,497 | $99K |
| Daiwa Securities Group Inc. | 0.00% | No change | 13,925 | $97K |
| Public Employees Retirement System of Ohio | 0.00% | New | 13,609 | $95K |
| Headlands Technologies LLC | 0.01% | New | 13,541 | $95K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -15.7% | 13,081 | $91K |
| Fidelis Capital Partners, LLC | 0.01% | Reduce -0.1% | 12,956 | $91K |
| Mercer Global Advisors Inc. | 0.00% | New | 12,628 | $88K |
| Russell Investments Group, Ltd. | 0.00% | Add +0.6% | 12,329 | $86K |
| EMC Capital Management | 0.04% | Reduce -15.0% | 11,752 | $82K |
| Optas, LLC | 0.01% | New | 11,648 | $81K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -2.3% | 10,905 | $76K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 10,869 | $76K |
| Daytona Street Capital LLC | 0.06% | — | 10,760 | $75K |
| Royal Bank of Canada | 0.00% | Add +50.1% | 10,683 | $75K |
| Engineers Gate Manager LP | 0.00% | Reduce -55.3% | 10,140 | $71K |
| Mariner, LLC | 0.00% | Reduce -54.2% | 10,028 | $70K |
| Transmarket Holdings LP | 0.05% | — | 10,000 | $70K |
| BNP Paribas Financial Markets | 0.00% | Reduce -57.6% | 9,017 | $63K |
| STRS Ohio | 0.00% | No change | 7,800 | $55K |
| New York State Common Retirement Fund | 0.00% | No change | 7,029 | $49K |
| Deutsche Bank AG | 0.00% | Reduce -87.2% | 5,793 | $40K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -37.2% | 4,754 | $33K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,686 | $26K |
| Legal & General Group Plc | 0.00% | No change | 3,629 | $25K |
| Versant Capital Management, Inc | 0.00% | Reduce -5.3% | 3,614 | $25K |
| Quarry LP | 0.00% | New | 3,409 | $24K |
| Atlantic Union Bankshares Corp | 0.00% | No change | 3,332 | $23K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +89.0% | 3,250 | $23K |
| Group One Trading LLC | 0.00% | Add +4.4% | 3,040 | $21K |
| California State Teachers Retirement System | 0.00% | Reduce -15.0% | 2,403 | $17K |
| Sterling Capital Management LLC | 0.00% | Reduce -16.5% | 2,254 | $16K |
| Cwm, LLC | 0.00% | Add +5.7% | 2,053 | $14K |
| Larson Financial Group LLC | 0.00% | No change | 2,000 | $14K |
| GAMMA Investing LLC | 0.00% | Reduce -1.5% | 1,758 | $12K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 1,366 | $10K |
| Amalgamated Bank | 0.00% | Reduce -16.4% | 1,229 | $9K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -1.7% | 1,248 | $9K |
| Rockefeller Capital Management L.P. | 0.00% | New | 1,154 | $8K |
| Simplex Trading, LLC | 0.00% | Add +3275.8% | 1,114 | $8K |
| Farther Finance Advisors, LLC | 0.00% | No change | 1,104 | $8K |
| Citigroup Inc. | 0.00% | Reduce -75.0% | 885 | $6K |
| Jones Financial Companies LLLP | 0.00% | Reduce -16.4% | 741 | $5K |
| Optiver Holding B.V. | 0.00% | No change | 724 | $5K |
| Harbor Capital Advisors, Inc. | 0.00% | Reduce -1.6% | 715 | $5K |
| Triumph Capital Management | 0.00% | New | 695 | $5K |
| Arax Advisory Partners | 0.00% | Reduce -79.4% | 689 | $5K |
| Huntington National Bank | 0.00% | No change | 641 | $4K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 629 | $4K |
| Smartleaf Asset Management LLC | 0.00% | No change | 487 | $3K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 394 | $3K |
| Rothschild Investment LLC | 0.00% | No change | 325 | $2K |
| Truvestments Capital LLC | 0.00% | No change | 300 | $2K |
| Fortitude Family Office, LLC | 0.00% | No change | 248 | $2K |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 205 | $1K |
| UMB Bank, n.a. | 0.00% | New | 140 | $979 |
| Private Wealth Management Group, LLC | 0.00% | No change | 110 | $769 |
| IFP Advisors, Inc | 0.00% | Reduce -1.9% | 103 | $720 |
| MAI Capital Management | 0.00% | New | 45 | $315 |
| Allworth Financial LP | 0.00% | Reduce -28.6% | 20 | $140 |
| True Wealth Design, LLC | 0.00% | No change | 17 | $119 |
| Transamerica Financial Advisors, LLC | 0.00% | New | 14 | $98 |
| Essential Partners LLC | 0.00% | Reduce -92.1% | 6 | $42 |
| Signaturefd, LLC | 0.00% | No change | 2 | $14 |
"% of holder's portfolio" is CIO's weight in each manager's 13F, not the share of City Office REIT Inc. the manager owns.