City Office REITCIO
13F holders, Q3 2025 (September 30)147holders +20
38new positions
18sold out
7famous investors
$6.96avg. 13F price*
At the end of Q3 2025, 147 institutions reported holding City Office REIT Inc. (CIO) in their 13F filings, up 20 from Q2 2025. 38 opened new positions and 18 sold out. The largest holders were Newtyn Management, LLC ($27.4M), BlackRock, Inc. ($22.8M) and Glazer Capital, LLC ($15.8M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- City Office REIT Inc.
- CUSIP
- 178587101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 38 | $65.3M |
| Exits | 18 | $7.9M |
All 13F filers, Q2 2025 → Q3 2025: 10,494,605 shares bought and 5,474,409 shares sold, net +5,020,196 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 147 holders
| Newtyn Management, LLC | 3.35% | No change | 3,938,000 | $27.4M |
| BlackRock, Inc. | 0.00% | Reduce -15.6% | 3,273,275 | $22.8M |
| Glazer Capital, LLC | 0.58% | New | 2,272,878 | $15.8M |
| Vanguard Group Inc. | 0.00% | Reduce -2.7% | 2,137,983 | $14.9M |
| Nomura Holdings Inc. | 0.06% | Add +0.0% | 1,760,465 | $12.3M |
| FIL Ltd | 0.01% | New | 1,614,545 | $11.2M |
| Morgan Stanley | 0.00% | Add +61.7% | 1,163,410 | $8.1M |
| Capula Management Ltd | 0.05% | New | 1,012,582 | $7.0M |
| Magnetar Financial LLC | 0.04% | New | 989,709 | $6.9M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.7% | 932,395 | $6.5M |
| State Street Corp. | 0.00% | Add +1.9% | 871,098 | $6.1M |
| Nexpoint Asset Management, L.P. | 0.48% | New | 764,085 | $5.3M |
| Renaissance Technologies | 0.00% | Reduce -59.4% | 480,115 | $3.3M |
| Millennium Management | 0.00% | Add +324.7% | 454,016 | $3.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -22.7% | 419,722 | $2.9M |
| Gabelli Funds LLC | 0.02% | New | 392,279 | $2.7M |
| Carmignac Gestion | 0.04% | New | 375,233 | $2.6M |
| Northern Trust Corp. | 0.00% | Add +0.1% | 343,551 | $2.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.4% | 340,019 | $2.4M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -1.7% | 337,366 | $2.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -6.0% | 311,287 | $2.2M |
| Versor Investments LP | 0.34% | New | 264,979 | $1.8M |
| JPMorgan Chase & Co. | 0.00% | Add +3.2% | 261,627 | $1.8M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.27% | New | 244,050 | $1.7M |
| Sonora Investment Management Group, LLC | 0.12% | Reduce -26.7% | 240,620 | $1.7M |
| Engine Capital Management, LP | 0.19% | No change | 231,020 | $1.6M |
| Penserra Capital Management LLC | 0.02% | Add +3.5% | 223,970 | $1.6M |
| Groupe la Francaise | 0.02% | New | 202,718 | $1.4M |
| Polar Asset Management Partners Inc. | 0.04% | New | 200,000 | $1.4M |
| D. E. Shaw & Co. | 0.00% | Reduce -44.6% | 192,358 | $1.3M |
| Quantinno Capital Management LP | 0.00% | Add +31.3% | 166,191 | $1.2M |
| LSV Asset Management | 0.00% | Reduce -90.5% | 150,300 | $1.0M |
| Credit Industriel Et Commercial | 0.21% | New | 135,144 | $941K |
| Bank of New York Mellon Corp | 0.00% | Add +3.9% | 124,288 | $865K |
| Qube Research & Technologies Ltd | 0.00% | Add +59.9% | 117,859 | $820K |
| Nuveen, LLC | 0.00% | No change | 116,328 | $810K |
| Cambria Investment Management, L.P. | 0.05% | Add +15.6% | 113,183 | $788K |
| Tudor Investment Corporation | 0.01% | Add +145.5% | 111,300 | $775K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | New | 100,000 | $696K |
| Victory Capital Management Inc. | 0.00% | Reduce -45.9% | 99,000 | $689K |
| Toronto Dominion Bank | 0.00% | New | 95,900 | $667K |
| Jane Street Group, LLC | 0.00% | Add +7.3% | 93,260 | $649K |
| AlphaCore Capital LLC | 0.02% | Reduce -27.9% | 92,979 | $647K |
| Wolverine Asset Management LLC | 0.04% | New | 90,281 | $628K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.09% | New | 85,734 | $597K |
| UBS Group AG | 0.00% | Reduce -61.0% | 81,880 | $570K |
| Citadel Advisors | 0.00% | New | 75,546 | $526K |
| Alliancebernstein L.P. | 0.00% | Add +0.8% | 66,929 | $466K |
| Invesco Ltd. | 0.00% | Reduce -41.2% | 63,354 | $441K |
| Rhumbline Advisers | 0.00% | Reduce -9.6% | 62,340 | $434K |
| Virtu Financial LLC | 0.02% | New | 58,235 | $405K |
| State of Wisconsin Investment Board | 0.00% | Reduce -45.5% | 57,500 | $400K |
| Nomura Asset Management Co. Ltd. | 0.00% | Add +9.0% | 56,700 | $395K |
| Barclays PLC | 0.00% | Reduce -25.5% | 55,059 | $383K |
| Water Island Capital LLC | 0.06% | New | 54,317 | $378K |
| Asset Management One Co., Ltd. | 0.00% | No change | 53,460 | $372K |
| Gsa Capital Partners LLP | 0.03% | Reduce -75.3% | 51,391 | $358K |
| Prelude Capital Management, LLC | 0.03% | New | 50,000 | $348K |
| Osaic Holdings, Inc. | 0.00% | Add +29.1% | 49,004 | $340K |
| Squarepoint Ops LLC | 0.00% | New | 48,009 | $334K |
| Deutsche Bank AG | 0.00% | Add +683.4% | 45,383 | $316K |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Add +20.4% | 45,228 | $315K |
| AQR Capital Management | 0.00% | Reduce -51.2% | 44,998 | $313K |
| Alps Advisors Inc. | 0.00% | Reduce -5.1% | 44,847 | $312K |
| CastleKnight Management LP | 0.02% | No change | 42,300 | $294K |
| PenderFund Capital Management Ltd. | 0.11% | New | 42,200 | $294K |
| Kestra Advisory Services, LLC | 0.00% | New | 31,240 | $217K |
| Jump Financial, LLC | 0.00% | New | 31,200 | $217K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +15.5% | 30,780 | $214K |
| Wells Fargo & Company | 0.00% | Add +19.5% | 29,991 | $209K |
| GAMCO Investors | 0.00% | New | 28,000 | $195K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | No change | 24,803 | $173K |
| MetLife Investment Management, LLC | 0.00% | Reduce -5.6% | 23,769 | $165K |
| Engineers Gate Manager LP | 0.00% | New | 22,676 | $158K |
| Mariner, LLC | 0.00% | Add +3.0% | 21,878 | $152K |
| Harvest Investment Services, LLC | 0.03% | New | 21,579 | $150K |
| BNP Paribas Financial Markets | 0.00% | Reduce -37.8% | 21,286 | $148K |
| FMR LLC | 0.00% | Add +1.2% | 21,269 | $148K |
| T. Rowe Price Associates Inc. | 0.00% | Add +7.7% | 20,966 | $146K |
| Pinnacle Wealth Planning Services, Inc. | 0.02% | No change | 20,257 | $141K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 19,497 | $135K |
| Resona Asset Management Co.,Ltd. | 0.00% | Add +16.1% | 19,295 | $134K |
| State of Alaska, Department of Revenue | 0.00% | Add +0.9% | 18,914 | $131K |
| Two Sigma Advisers, LP | 0.00% | Reduce -60.0% | 17,900 | $125K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -19.6% | 17,830 | $124K |
| Intech Investment Management LLC | 0.00% | Reduce -21.1% | 17,665 | $123K |
| B. Riley Wealth Advisors, Inc. | 0.01% | Add +5.2% | 16,804 | $117K |
| Bank of America Corp. | 0.00% | Reduce -82.3% | 15,597 | $109K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.2% | 15,520 | $108K |
| Sei Investments Co. | 0.00% | No change | 15,246 | $106K |
| Two Sigma Investments, LP | 0.00% | Reduce -72.3% | 14,851 | $103K |
| Susquehanna International Group, LLP | 0.00% | Reduce -72.0% | 14,835 | $103K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 14,748 | $103K |
| Daiwa Securities Group Inc. | 0.00% | Add +10.8% | 13,925 | $97K |
| EMC Capital Management | 0.05% | No change | 13,826 | $96K |
| Corient Private Wealth LP | 0.00% | New | 13,692 | $95K |
| Pathstone Holdings, LLC | 0.00% | New | 13,676 | $95K |
| Panagora Asset Management Inc. | 0.00% | New | 13,339 | $93K |
| Fidelis Capital Partners, LLC | 0.01% | Add +0.1% | 12,968 | $90K |
| Russell Investments Group, Ltd. | 0.00% | Add +69.5% | 12,258 | $85K |
| Boothbay Fund Management, LLC | 0.00% | New | 11,685 | $81K |
| Pitcairn Co. | 0.01% | Add +10.5% | 11,232 | $78K |
| PNC Financial Services Group, Inc. | 0.00% | Add +25.8% | 11,158 | $78K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +46.8% | 10,869 | $76K |
| CSS LLC | 0.01% | New | 10,000 | $70K |
| STRS Ohio | 0.00% | No change | 7,800 | $54K |
| Nisa Investment Advisors, LLC | 0.00% | Add +14.3% | 7,569 | $53K |
| Royal Bank of Canada | 0.00% | Reduce -42.0% | 7,119 | $51K |
| New York State Common Retirement Fund | 0.00% | No change | 7,029 | $49K |
| Versant Capital Management, Inc | 0.00% | Add +5.6% | 3,815 | $27K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,686 | $26K |
| Legal & General Group Plc | 0.00% | No change | 3,629 | $25K |
| Citigroup Inc. | 0.00% | Reduce -78.3% | 3,544 | $25K |
| Arax Advisory Partners | 0.00% | Add +389.3% | 3,347 | $23K |
| Atlantic Union Bankshares Corp | 0.00% | New | 3,332 | $23K |
| Group One Trading LLC | 0.00% | New | 2,913 | $20K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 2,826 | $20K |
| Sterling Capital Management LLC | 0.00% | Add +145.1% | 2,699 | $19K |
| Cwm, LLC | 0.00% | Reduce -56.4% | 1,943 | $14K |
| Larson Financial Group LLC | 0.00% | No change | 2,000 | $14K |
| GAMMA Investing LLC | 0.00% | Add +31.6% | 1,784 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -82.1% | 1,720 | $12K |
| Amalgamated Bank | 0.00% | No change | 1,470 | $10K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +9.6% | 1,270 | $9K |
| WealthCollab, LLC | 0.00% | No change | 1,123 | $8K |
| Farther Finance Advisors, LLC | 0.00% | Add +12.9% | 1,104 | $8K |
| Jones Financial Companies LLLP | 0.00% | No change | 886 | $6K |
| Sound Income Strategies, LLC | 0.00% | New | 808 | $6K |
| Optiver Holding B.V. | 0.00% | New | 724 | $5K |
| Harbor Capital Advisors, Inc. | 0.00% | Reduce -12.6% | 727 | $5K |
| Huntington National Bank | 0.00% | No change | 641 | $4K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Reduce -10.8% | 629 | $4K |
| Stance Capital LLC | 0.00% | New | 580 | $4K |
| Smartleaf Asset Management LLC | 0.00% | Add +801.9% | 487 | $3K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 394 | $3K |
| Rothschild Investment LLC | 0.00% | Reduce -21.7% | 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 |
| Private Wealth Management Group, LLC | 0.00% | No change | 110 | $766 |
| IFP Advisors, Inc | 0.00% | Add +75.0% | 105 | $731 |
| Essential Partners LLC | 0.00% | Add +2433.3% | 76 | $529 |
| Blue Trust, Inc. | 0.00% | No change | 49 | $341 |
| Allworth Financial LP | 0.00% | Add +366.7% | 28 | $195 |
| True Wealth Design, LLC | 0.00% | No change | 17 | $119 |
| Signaturefd, LLC | 0.00% | No change | 2 | $14 |
| Simplex Trading, LLC | 0.00% | Reduce -99.5% | 33 | $0 |
"% of holder's portfolio" is CIO's weight in each manager's 13F, not the share of City Office REIT Inc. the manager owns.