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City Office REIT (CIO) Institutional Ownership

Current Institutional Ownership Percentage: 67.47%
Number of Institutional Buyers (last 12 months): 66
Total Institutional Inflows (last 12 months): $79.60M

Number of Institutional Sellers (last 12 months): 40
Total Institutional Outflows (last 12 months): $22.22M

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CIO Institutional Buying and Selling by Quarter

City Office REIT Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
3/9/2026	EMC Capital Management	11,752	$82K	0.0%	-15.0%	0.029%
2/23/2026	Virtu Financial LLC	61,580	$430K	0.0%	+5.7%	0.153%
2/19/2026	Invesco Ltd.	24,731	$173K	0.0%	-61.0%	0.061%
2/18/2026	Mercer Global Advisors Inc. ADV	12,628	$88K	0.0%	N/A	0.031%
2/18/2026	XTX Topco Ltd	142,646	$997K	0.0%	N/A	0.353%
2/18/2026	Water Island Capital LLC	61,498	$430K	0.0%	+13.2%	0.152%
2/18/2026	Toronto Dominion Bank	612,093	$4.28M	0.0%	+538.3%	1.516%
2/18/2026	Odyssean LLC	44,385	$310K	0.2%	N/A	0.110%
2/18/2026	Millennium Management LLC	291,630	$2.04M	0.0%	-35.8%	0.723%
2/18/2026	Engineers Gate Manager LP	10,140	$71K	0.0%	-55.3%	0.025%
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2/18/2026	Balyasny Asset Management L.P.	25,570	$179K	0.0%	N/A	0.063%
2/18/2026	Boothbay Fund Management LLC	27,850	$195K	0.0%	+138.3%	0.069%
2/17/2026	AQR Capital Management LLC	47,504	$332K	0.0%	+5.6%	0.118%
2/17/2026	PenderFund Capital Management Ltd.	58,700	$410K	0.1%	+39.1%	0.145%
2/17/2026	Osaic Holdings Inc.	44,232	$309K	0.0%	-9.7%	0.110%
2/17/2026	Public Employees Retirement System of Ohio	13,609	$95K	0.0%	N/A	0.034%
2/17/2026	State of Wisconsin Investment Board	28,100	$196K	0.0%	-51.1%	0.070%
2/17/2026	Royal Bank of Canada	10,683	$75K	0.0%	+50.1%	0.026%
2/17/2026	Magnetar Financial LLC	1,012,143	$7.08M	0.1%	+2.3%	2.508%
2/16/2026	Squarepoint Ops LLC	213,443	$1.49M	0.0%	+344.6%	0.529%
2/16/2026	Mariner LLC	10,028	$70K	0.0%	-54.2%	0.025%
2/16/2026	Focus Partners Wealth	228,818	$1.60M	0.0%	N/A	0.567%
2/16/2026	Barclays PLC	60,887	$426K	0.0%	+10.6%	0.151%
2/13/2026	Kestra Advisory Services LLC	24,010	$168K	0.0%	-23.1%	0.059%
2/13/2026	The Manufacturers Life Insurance Company	13,081	$91K	0.0%	-15.7%	0.032%
2/13/2026	Glazer Capital LLC	2,775,000	$19.40M	0.5%	+22.1%	6.875%
2/13/2026	Headlands Technologies LLC	13,541	$95K	0.0%	N/A	0.034%
2/13/2026	Charles Schwab Investment Management Inc.	326,091	$2.28M	0.0%	-4.1%	0.808%
2/13/2026	State Street Corp	867,444	$6.06M	0.0%	-0.4%	2.149%
2/13/2026	Wells Fargo & Company MN	43,854	$307K	0.0%	+46.2%	0.109%
2/12/2026	Jane Street Group LLC	86,307	$603K	0.0%	-7.5%	0.214%
2/12/2026	HRT Financial LP	17,190	$120K	0.0%	N/A	0.043%
2/12/2026	MetLife Investment Management LLC	16,716	$117K	0.0%	-29.7%	0.041%
2/12/2026	Groupe la Francaise	412,718	$2.89M	0.0%	+103.6%	1.022%
2/12/2026	Dimensional Fund Advisors LP	289,834	$2.03M	0.0%	-30.9%	0.718%
2/12/2026	Gardner Lewis Asset Management L P	764,158	$5.34M	1.4%	N/A	1.893%
2/12/2026	Nuveen LLC	100,482	$702K	0.0%	-13.6%	0.249%
2/11/2026	Deutsche Bank AG	5,793	$40K	0.0%	-87.2%	0.014%
2/10/2026	Goldman Sachs Group Inc.	377,708	$2.64M	0.0%	+21.3%	0.936%
2/10/2026	Nomura Asset Management Co. Ltd.	66,700	$466K	0.0%	+17.6%	0.165%
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2/10/2026	Commonwealth of Pennsylvania Public School Empls Retrmt SYS	88,623	$619K	0.0%	-11.4%	0.220%
2/9/2026	Geode Capital Management LLC	876,753	$6.13M	0.0%	-6.0%	2.172%
2/6/2026	LSV Asset Management	84,000	$587K	0.0%	-44.1%	0.208%
2/6/2026	Resona Asset Management Co. Ltd.	16,508	$115K	0.0%	-14.4%	0.041%
2/5/2026	GABELLI & Co INVESTMENT ADVISERS INC.	693,050	$4.84M	0.7%	+184.0%	1.717%
2/5/2026	Gamco Investors INC. ET AL	50,000	$350K	0.0%	+78.6%	0.124%
2/5/2026	Gabelli Funds LLC	1,041,665	$7.28M	0.0%	+165.5%	2.581%
2/5/2026	AlphaCore Capital LLC	63,125	$441K	0.0%	-32.1%	0.156%
2/4/2026	Versor Investments LP	267,841	$1.87M	0.3%	+1.1%	0.664%
2/3/2026	Credit Industriel ET Commercial	275,144	$1.92M	0.1%	+103.6%	0.682%
2/2/2026	Wolverine Asset Management LLC	269,491	$1.88M	0.0%	+198.5%	0.668%
1/30/2026	M&T Bank Corp	17,517	$122K	0.0%	N/A	0.043%
1/27/2026	Optas LLC	11,648	$81K	0.0%	N/A	0.029%
1/27/2026	Cannon Global Investment Management LLC	40,000	$280K	0.7%	N/A	0.099%
1/22/2026	Trium Capital LLP	2,027,163	$14.17M	11.0%	N/A	5.022%
1/21/2026	Daytona Street Capital LLC	10,760	$75K	0.0%	N/A	0.027%
1/15/2026	Nisa Investment Advisors LLC	4,754	$33K	0.0%	-37.2%	0.012%
1/1/2026	JPMorgan Chase & Co.	261,627	$1.82M	0.0%	+3.2%	0.648%
1/1/2026	Tudor Investment Corp ET AL	111,300	$775K	0.0%	+145.5%	0.276%
12/9/2025	Tudor Investment Corp ET AL	111,300	$775K	0.0%	+145.5%	0.276%
12/1/2025	Polar Asset Management Partners Inc.	200,000	$1.39M	0.0%	N/A	0.496%
12/1/2025	Cambria Investment Management L.P.	113,183	$788K	0.0%	+15.6%	0.280%
11/17/2025	Harvest Investment Services LLC	21,579	$150K	0.0%	N/A	0.053%
11/17/2025	Water Island Capital LLC	54,317	$378K	0.0%	N/A	0.135%
11/17/2025	Qube Research & Technologies Ltd	117,859	$820K	0.0%	+59.9%	0.292%
11/17/2025	Prelude Capital Management LLC	50,000	$348K	0.0%	N/A	0.124%
11/17/2025	PenderFund Capital Management Ltd.	42,200	$294K	0.0%	N/A	0.105%
11/17/2025	Millennium Management LLC	454,016	$3.16M	0.0%	+324.7%	1.125%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	17,830	$124K	0.0%	-19.6%	0.044%
11/17/2025	Citadel Advisors LLC	75,546	$526K	0.0%	N/A	0.187%
11/17/2025	Capula Management Ltd	1,012,582	$7.05M	0.0%	N/A	2.509%
11/17/2025	Bank of America Corp DE	15,597	$109K	0.0%	-82.3%	0.039%
11/17/2025	Boothbay Fund Management LLC	11,685	$81K	0.0%	N/A	0.029%
11/14/2025	Polar Asset Management Partners Inc.	200,000	$1.39M	0.0%	N/A	0.496%
11/14/2025	Virtu Financial LLC	58,235	$405K	0.0%	N/A	0.144%
11/14/2025	Two Sigma Investments LP	14,851	$103K	0.0%	-72.2%	0.037%
11/14/2025	Squarepoint Ops LLC	48,009	$334K	0.0%	N/A	0.119%
11/13/2025	Arrowstreet Capital Limited Partnership	337,366	$2.35M	0.0%	-1.7%	0.836%
11/13/2025	UBS Group AG	81,880	$570K	0.0%	-61.0%	0.203%
11/13/2025	BNP Paribas Financial Markets	21,286	$148K	0.0%	-37.7%	0.053%
11/13/2025	Magnetar Financial LLC	989,709	$6.89M	0.0%	N/A	2.452%
11/13/2025	Russell Investments Group Ltd.	12,258	$85K	0.0%	+69.5%	0.030%
11/12/2025	Gabelli Funds LLC	392,279	$2.73M	0.0%	N/A	0.972%
11/12/2025	Gamco Investors INC. ET AL	28,000	$195K	0.0%	N/A	0.069%
11/12/2025	GABELLI & Co INVESTMENT ADVISERS INC.	244,050	$1.70M	0.3%	N/A	0.605%
11/12/2025	Dimensional Fund Advisors LP	419,722	$2.92M	0.0%	-22.7%	1.040%
11/12/2025	Victory Capital Management Inc.	99,000	$689K	0.0%	-45.9%	0.245%
11/12/2025	Mitsubishi UFJ Asset Management Co. Ltd.	30,780	$214K	0.0%	+15.5%	0.076%
11/12/2025	AlphaCore Capital LLC	92,979	$647K	0.0%	-27.9%	0.230%
11/12/2025	Intech Investment Management LLC	17,665	$123K	0.0%	-21.1%	0.044%
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11/7/2025	GSA Capital Partners LLP	51,391	$358K	0.0%	-75.3%	0.127%
11/7/2025	Vanguard Group Inc.	2,137,983	$14.88M	0.0%	-2.7%	5.297%
11/7/2025	Credit Industriel ET Commercial	135,144	$941K	0.1%	N/A	0.335%
11/7/2025	JPMorgan Chase & Co.	261,627	$1.82M	0.0%	+3.2%	0.648%
11/7/2025	PNC Financial Services Group Inc.	11,158	$78K	0.0%	+25.8%	0.028%
11/6/2025	LSV Asset Management	150,300	$1.05M	0.0%	-90.5%	0.372%
11/6/2025	Rhumbline Advisers	62,340	$434K	0.0%	-9.6%	0.154%
11/6/2025	Versor Investments LP	264,979	$1.84M	0.3%	N/A	0.657%
11/5/2025	Alps Advisors Inc.	44,847	$312K	0.0%	-5.1%	0.111%
11/4/2025	Penserra Capital Management LLC	223,970	$1.56M	0.0%	+3.5%	0.555%

CIO Institutional Ownership - Frequently Asked Questions

During the previous two years, 131 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.

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

Of the 111 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).

Institutional investors have bought a total of 11,576,839 shares in the last 24 months. This purchase volume represents approximately $79.64M in transactions.

Of the 40 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), UBS Group AG ($128.18K), Sonora Investment Management Group LLC ($87.50K), and Invesco Ltd. ($86.57K).

Institutional investors have sold a total of 3,272,703 shares in the last 24 months. This volume of shares sold represents approximately $22.22M in transactions.

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This page (NYSE:CIO) was last updated on 5/28/2026 by MarketBeat.com Staff.

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City Office REIT (CIO) Institutional Ownership

CIO Institutional Buying and Selling by Quarter

City Office REIT Major Shareholders & Ownership History

CIO Institutional Ownership - Frequently Asked Questions

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City Office REIT (CIO) Institutional Ownership

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

CIO Institutional Buying and Selling by Quarter

City Office REIT Major Shareholders & Ownership History

CIO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CIO shares?

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

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

How much institutional buying is happening at City Office REIT?

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

How much institutional selling is happening at City Office REIT?

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