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City Office REIT (CIO) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for City Office REIT (NYSE:CIO)

Current
Institutional Ownership
Percentage
67.47%
Number of
Institutional Buyers
(last 12 months)
71
Total
Institutional Inflows
(last 12 months)
$81.11M
Number of
Institutional Sellers
(last 12 months)
44
Total
Institutional Outflows
(last 12 months)
$24.62M
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Skip Chart & View Institutional Buying and Selling Data

CIO Institutional Buying and Selling by Quarter

City Office REIT Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/9/2026EMC Capital Management11,752$82K0.0%-15.0%0.029%
2/23/2026Virtu Financial LLC61,580$430K0.0%+5.7%0.153%
2/19/2026Invesco Ltd.24,731$173K0.0%-61.0%0.061%
2/18/2026Mercer Global Advisors Inc. ADV12,628$88K0.0%N/A0.031%
2/18/2026XTX Topco Ltd142,646$997K0.0%N/A0.353%
2/18/2026Water Island Capital LLC61,498$430K0.0%+13.2%0.152%
2/18/2026Toronto Dominion Bank612,093$4.28M0.0%+538.3%1.516%
2/18/2026Odyssean LLC44,385$310K0.2%N/A0.110%
2/18/2026Millennium Management LLC291,630$2.04M0.0%-35.8%0.723%
2/18/2026Engineers Gate Manager LP10,140$71K0.0%-55.3%0.025%
2/18/2026Balyasny Asset Management L.P.25,570$179K0.0%N/A0.063%
2/18/2026Boothbay Fund Management LLC27,850$195K0.0%+138.3%0.069%
2/17/2026AQR Capital Management LLC47,504$332K0.0%+5.6%0.118%
2/17/2026PenderFund Capital Management Ltd.58,700$410K0.1%+39.1%0.145%
2/17/2026Osaic Holdings Inc.44,232$309K0.0%-9.7%0.110%
2/17/2026Public Employees Retirement System of Ohio13,609$95K0.0%N/A0.034%
2/17/2026State of Wisconsin Investment Board28,100$196K0.0%-51.1%0.070%
2/17/2026Royal Bank of Canada10,683$75K0.0%+50.1%0.026%
2/17/2026Magnetar Financial LLC1,012,143$7.08M0.1%+2.3%2.508%
2/16/2026Squarepoint Ops LLC213,443$1.49M0.0%+344.6%0.529%
2/16/2026Mariner LLC10,028$70K0.0%-54.2%0.025%
2/16/2026Focus Partners Wealth228,818$1.60M0.0%N/A0.567%
2/16/2026Barclays PLC60,887$426K0.0%+10.6%0.151%
2/13/2026 Kestra Advisory Services LLC24,010$168K0.0%-23.1%0.059%
2/13/2026The Manufacturers Life Insurance Company 13,081$91K0.0%-15.7%0.032%
2/13/2026Glazer Capital LLC2,775,000$19.40M0.5%+22.1%6.875%
2/13/2026Headlands Technologies LLC13,541$95K0.0%N/A0.034%
2/13/2026Charles Schwab Investment Management Inc.326,091$2.28M0.0%-4.1%0.808%
2/13/2026State Street Corp867,444$6.06M0.0%-0.4%2.149%
2/13/2026Wells Fargo & Company MN43,854$307K0.0%+46.2%0.109%
2/12/2026Jane Street Group LLC86,307$603K0.0%-7.5%0.214%
2/12/2026HRT Financial LP17,190$120K0.0%N/A0.043%
2/12/2026MetLife Investment Management LLC16,716$117K0.0%-29.7%0.041%
2/12/2026Groupe la Francaise412,718$2.89M0.0%+103.6%1.022%
2/12/2026Dimensional Fund Advisors LP289,834$2.03M0.0%-30.9%0.718%
2/12/2026Gardner Lewis Asset Management L P764,158$5.34M1.4%N/A1.893%
2/12/2026 Nuveen LLC100,482$702K0.0%-13.6%0.249%
2/11/2026Deutsche Bank AG5,793$40K0.0%-87.2%0.014%
2/10/2026Goldman Sachs Group Inc.377,708$2.64M0.0%+21.3%0.936%
2/10/2026Nomura Asset Management Co. Ltd.66,700$466K0.0%+17.6%0.165%
2/10/2026 Commonwealth of Pennsylvania Public School Empls Retrmt SYS88,623$619K0.0%-11.4%0.220%
2/9/2026Geode Capital Management LLC876,753$6.13M0.0%-6.0%2.172%
2/6/2026LSV Asset Management84,000$587K0.0%-44.1%0.208%
2/6/2026 Resona Asset Management Co. Ltd.16,508$115K0.0%-14.4%0.041%
2/5/2026GABELLI & Co INVESTMENT ADVISERS INC.693,050$4.84M0.7%+184.0%1.717%
2/5/2026Gamco Investors INC. ET AL50,000$350K0.0%+78.6%0.124%
2/5/2026Gabelli Funds LLC1,041,665$7.28M0.0%+165.5%2.581%
2/5/2026AlphaCore Capital LLC63,125$441K0.0%-32.1%0.156%
2/4/2026Versor Investments LP267,841$1.87M0.3%+1.1%0.664%
2/3/2026 Credit Industriel ET Commercial275,144$1.92M0.1%+103.6%0.682%
2/2/2026 Wolverine Asset Management LLC269,491$1.88M0.0%+198.5%0.668%
1/30/2026M&T Bank Corp17,517$122K0.0%N/A0.043%
1/27/2026 Optas LLC11,648$81K0.0%N/A0.029%
1/27/2026 Cannon Global Investment Management LLC40,000$280K0.7%N/A0.099%
1/22/2026 Trium Capital LLP2,027,163$14.17M11.0%N/A5.022%
1/21/2026 Daytona Street Capital LLC10,760$75K0.0%N/A0.027%
1/15/2026 Nisa Investment Advisors LLC4,754$33K0.0%-37.2%0.012%
1/1/2026JPMorgan Chase & Co.261,627$1.82M0.0%+3.2%0.648%
1/1/2026Tudor Investment Corp ET AL111,300$775K0.0%+145.5%0.276%
12/9/2025Tudor Investment Corp ET AL111,300$775K0.0%+145.5%0.276%
12/1/2025Polar Asset Management Partners Inc.200,000$1.39M0.0%N/A0.496%
12/1/2025Cambria Investment Management L.P.113,183$788K0.0%+15.6%0.280%
11/17/2025Harvest Investment Services LLC21,579$150K0.0%N/A0.053%
11/17/2025Water Island Capital LLC54,317$378K0.0%N/A0.135%
11/17/2025Qube Research & Technologies Ltd117,859$820K0.0%+59.9%0.292%
11/17/2025Prelude Capital Management LLC50,000$348K0.0%N/A0.124%
11/17/2025PenderFund Capital Management Ltd.42,200$294K0.0%N/A0.105%
11/17/2025Millennium Management LLC454,016$3.16M0.0%+324.7%1.125%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.17,830$124K0.0%-19.6%0.044%
11/17/2025Citadel Advisors LLC75,546$526K0.0%N/A0.187%
11/17/2025Capula Management Ltd1,012,582$7.05M0.0%N/A2.509%
11/17/2025Bank of America Corp DE15,597$109K0.0%-82.3%0.039%
11/17/2025Boothbay Fund Management LLC11,685$81K0.0%N/A0.029%
11/14/2025Polar Asset Management Partners Inc.200,000$1.39M0.0%N/A0.496%
11/14/2025Virtu Financial LLC58,235$405K0.0%N/A0.144%
11/14/2025Two Sigma Investments LP14,851$103K0.0%-72.2%0.037%
11/14/2025Squarepoint Ops LLC48,009$334K0.0%N/A0.119%
11/13/2025Arrowstreet Capital Limited Partnership337,366$2.35M0.0%-1.7%0.836%
11/13/2025 UBS Group AG81,880$570K0.0%-61.0%0.203%
11/13/2025BNP Paribas Financial Markets21,286$148K0.0%-37.7%0.053%
11/13/2025Magnetar Financial LLC989,709$6.89M0.0%N/A2.452%
11/13/2025Russell Investments Group Ltd.12,258$85K0.0%+69.5%0.030%
11/12/2025Gabelli Funds LLC392,279$2.73M0.0%N/A0.972%
11/12/2025Gamco Investors INC. ET AL28,000$195K0.0%N/A0.069%
11/12/2025GABELLI & Co INVESTMENT ADVISERS INC.244,050$1.70M0.3%N/A0.605%
11/12/2025Dimensional Fund Advisors LP419,722$2.92M0.0%-22.7%1.040%
11/12/2025Victory Capital Management Inc.99,000$689K0.0%-45.9%0.245%
11/12/2025Mitsubishi UFJ Asset Management Co. Ltd.30,780$214K0.0%+15.5%0.076%
11/12/2025AlphaCore Capital LLC92,979$647K0.0%-27.9%0.230%
11/12/2025Intech Investment Management LLC17,665$123K0.0%-21.1%0.044%
11/7/2025GSA Capital Partners LLP51,391$358K0.0%-75.3%0.127%
11/7/2025Vanguard Group Inc.2,137,983$14.88M0.0%-2.7%5.297%
11/7/2025 Credit Industriel ET Commercial135,144$941K0.1%N/A0.335%
11/7/2025JPMorgan Chase & Co.261,627$1.82M0.0%+3.2%0.648%
11/7/2025PNC Financial Services Group Inc.11,158$78K0.0%+25.8%0.028%
11/6/2025LSV Asset Management150,300$1.05M0.0%-90.5%0.372%
11/6/2025Rhumbline Advisers62,340$434K0.0%-9.6%0.154%
11/6/2025Versor Investments LP264,979$1.84M0.3%N/A0.657%
11/5/2025Alps Advisors Inc.44,847$312K0.0%-5.1%0.111%
11/4/2025Penserra Capital Management LLC223,970$1.56M0.0%+3.5%0.555%


CIO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CIO shares?

During the previous two years, 133 institutional investors and hedge funds held shares of City Office REIT. The most heavily invested institutionals were Glazer Capital LLC ($19.40M), Vanguard Group Inc. ($14.88M), Trium Capital LLP ($14.17M), Gabelli Funds LLC ($7.28M), Magnetar Financial LLC ($7.08M), Renaissance Technologies LLC ($7.07M), and Capula Management Ltd ($7.05M).Learn more on City Office REIT's institutional investors.

What percentage of City Office REIT's stock is owned by institutional investors?

67.47% of City Office REIT's stock is owned by institutional investors. Learn more on CIO's institutional investor holdings.

Which institutional investors have been buying City Office REIT's stock?

Of the 114 institutional investors that purchased City Office REIT's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Trium Capital LLP ($2.03M), Gabelli Funds LLC ($1.04M), Capula Management Ltd ($1.01M), Magnetar Financial LLC ($1.01M), Gardner Lewis Asset Management L P ($764.16K), GABELLI & Co INVESTMENT ADVISERS INC. ($693.05K), and Millennium Management LLC ($579.63K).

How much institutional buying is happening at City Office REIT?

Institutional investors have bought a total of 11,859,641 shares in the last 24 months. This purchase volume represents approximately $81.11M in transactions.

Which of City Office REIT's major shareholders have been selling company stock?

Of the 44 institutional investors that sold City Office REIT's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: LSV Asset Management ($1.50M), Dimensional Fund Advisors LP ($253.46K), Millennium Management LLC ($162.39K), GSA Capital Partners LLP ($156.84K), AQR Capital Management LLC ($136.25K), Invesco Ltd. ($131.63K), and Jane Street Group LLC ($131.52K).

How much institutional selling is happening at City Office REIT?

Institutional investors have sold a total of 3,734,541 shares in the last 24 months. This volume of shares sold represents approximately $24.62M in transactions.


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This page (NYSE:CIO) was last updated on 5/7/2026 by MarketBeat.com Staff.
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