City Office REIT, Inc.
City Office REIT, Inc. (CIO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CIO · as of Mar 31, 2025
Ownership Breakdown
142
Institutional Holders
▼ 7 vs Q4
$130.12M
Total Inst. Value
▼ $11.31M vs Q4
40.36M
Shares Outstanding
freeFloat 80.44%
25.07M
13F Shares Held
▼ 568,685 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CIO largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
NEWTYN MANAGEMENT, LLC real estate investment trusts | 3.94M | 9.81% | 9.81% | $20.44B | May 15, 2025 | — held |
BLACKROCK, INC. real estate investment trusts | 3.77M | 9.39% | 9.39% | $19.57B | May 2, 2025 | ▲ 185.6K |
VANGUARD GROUP INC real estate investment trusts | 2.06M | 5.13% | 5.13% | $10.69B | May 9, 2025 | ▼ 3.9K |
NOMURA HOLDINGS INC real estate investment trusts | 1.76M | 4.38% | 4.38% | $9.14B | May 15, 2025 | ▼ 160 |
LSV ASSET MANAGEMENT real estate investment trusts | 1.49M | 3.70% | 3.70% | $7.71B | May 9, 2025 | ▼ 3.3K |
RENAISSANCE TECHNOLOGIES LLC real estate investment trusts | 1.26M | 3.13% | 3.13% | $6.52B | May 14, 2025 | ▼ 24.9K |
GEODE CAPITAL MANAGEMENT, LLC real estate investment trusts | 962.7K | 2.40% | 2.40% | $5.00B | May 13, 2025 | ▲ 13.2K |
STATE STREET CORP real estate investment trusts | 852.6K | 2.12% | 2.12% | $4.42B | May 15, 2025 | ▼ 23.1K |
ACADIAN ASSET MANAGEMENT LLC real estate investment trusts | 772.6K | 1.92% | 1.92% | $4.01B | May 21, 2025 | ▲ 29.3K |
MORGAN STANLEY real estate investment trusts | 630.0K | 1.57% | 1.57% | $3.27B | May 15, 2025 | ▲ 67.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
16
Increased
+535.8K shares3
New Positions
first time holders25
Decreased
−864.9K shares0
Sold Out
fully exitedNet shares change (top 50)
329.1K
+535.8K / −864.9K
Net new holders
-6
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CIO insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
17
Sell transactions
0.00
Buy/Sell ratio
$2M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Murski Mark Wilhelm director | Jan 9, 2026 | D-Return | 38,337 | $0.01 | $383.37 | 0 | Form 4 ↗ |
Murski Mark Wilhelm director | Jan 9, 2026 | D-Return | 21,392 | — | — | 0 | Form 4 ↗ |
Mirza Sabah director | Jan 9, 2026 | D-Return | 18,813 | $0.01 | $188.13 | 0 | Form 4 ↗ |
Mirza Sabah director | Jan 9, 2026 | D-Return | 21,392 | — | — | 0 | Form 4 ↗ |
Mazan Michael director | Jan 9, 2026 | D-Return | 39,000 | $0.01 | $390 | 0 | Form 4 ↗ |
Mazan Michael director | Jan 9, 2026 | D-Return | 18,830 | — | — | 0 | Form 4 ↗ |
McLernon John R. director | Jan 9, 2026 | D-Return | 7,500 | $0.01 | $75 | 0 | Form 4 ↗ |
McLernon John R. director | Jan 9, 2026 | D-Return | 21,392 | — | — | 0 | Form 4 ↗ |
Farrar James Thomas Chief Executive Officer | Jan 9, 2026 | D-Return | 416,085 | — | — | 0 | Form 4 ↗ |
Farrar James Thomas Chief Executive Officer | Jan 9, 2026 | D-Return | 200,000 | $0.01 | $2.0K | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
City Office REIT, Inc. (CIO) is primarily owned by institutional investors, who hold approximately 62.1% of total shares outstanding. Company insiders own approximately 19.56%, while retail and public investors account for the remaining 18.32%.
The largest institutional shareholder of City Office REIT, Inc. is NEWTYN MANAGEMENT, LLC, holding approximately 3.94 million shares — equal to 9.81% of outstanding shares — as of March 31, 2025.
A total of 142 institutional investors currently hold CIO stock, with a combined institutional value of approximately $130,121,782 as of the most recent 13F filing period.
Frequently asked questions
CIO ownershipCity Office REIT, Inc. (CIO) is primarily owned by institutional investors, who hold approximately 62.1% of shares. The largest shareholder is NEWTYN MANAGEMENT, LLC with a 9.81% stake. Company insiders hold 19.56%. Data sourced from SEC Form 13F as of March 31, 2025.