OFC · Insider trading · 13F holders · Congress trades
Corporate Office Properties Trust Common Stock (OFC)
Who is buying and selling OFC: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 11
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 1
OFC at a glance
- No open-market insider purchases or sales of OFC were filed in the last 90 days.
- 11 13F filers hold OFC among their 50 largest positions, worth $342.3M combined. The biggest bets by portfolio weight are GRS Advisors, LLC (5.9%), Channing Capital Management, LLC (2.4%) and Presima Securities ULC (1.1%). In their latest 13Fs, 2 managers opened a new position and 2 added to one.
- Members of Congress have disclosed 4 OFC trades since 2015, 1 purchase and 0 sales in the past year; the latest was Gary C. Peters (D-MI), buying $1K–15K on Nov 29, 2021.
OFC insider trading
No open-market insider purchases or sales of OFC were filed in the last 90 days.
Who owns OFC? Hedge funds and superinvestors
11 13F filers hold OFC among their 50 largest positions, worth $342.3M combined. The biggest bets by portfolio weight are GRS Advisors, LLC (5.9%), Channing Capital Management, LLC (2.4%) and Presima Securities ULC (1.1%). In their latest 13Fs, 2 managers opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Channing Capital Management, LLCInstitutional asset manager | 2.4% | $105.2M | 2,891,994 | -3.0% shares | Q2 2026 |
| Westwood Holdings Group IncInvestment manager | 0.8% | $103.4M | 2,840,694 | -12.5% shares | Q2 2026 |
| GRS Advisors, LLCInvestment manager | 5.9% | $70.3M | 1,930,934 | +17.0% shares | Q2 2026 |
| Alpha Wave Global, LPHedge fund | 0.3% | $20.6M | 566,739 | +36.5% shares | Q2 2026 |
| Boothbay Fund Management, LLCHedge fund | 0.3% | $18.2M | 500,715 | — | Q2 2026 |
| Leeward Investments, LLC - MAAsset manager | 0.9% | $17.8M | 534,126 | -5.7% shares | Q3 2026 |
| Hazelview Securities Inc.Hedge fund | 0.3% | $2.2M | 58,002 | New | Q2 2026 |
| Presima Securities ULCBroker-dealer | 1.1% | $2.0M | 65,602 | +0.0% shares | Q1 2026 |
| Element Squared LLCWealth manager | 0.7% | $1.4M | 37,872 | New | Q2 2026 |
| Passive Capital Management, LLC.Wealth manager | 0.4% | $1.2M | 42,921 | +0.0% shares | Q2 2026 |
| Sapience Investments, LLCAsset manager | 0.9% | $7K | 223 | -98.6% shares | Q1 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 8, Q1 2026: 2). Screen OFC in the grand portfolio →
OFC stock trades by members of Congress
Members of Congress have disclosed 4 OFC trades since 2015, 1 purchase and 0 sales in the past year; the latest was Gary C. Peters (D-MI), buying $1K–15K on Nov 29, 2021.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Dec 7, 2021 | Gary C. PetersD-MI · Senate | Buy | $1K–15K | Nov 29, 2021 | — |
| Jan 23, 2019 | Greg GianforteR-MT · House | Sale | $1K–15K | Dec 21, 2018 | — |
| Jan 31, 2018 | Gary C. PetersD-MI · Senate | Buy | $1K–15K | Jan 5, 2018 | — |
| Feb 26, 2015 | Thom TillisR-NC · Senate | Sale | $1K–15K | Feb 13, 2015 | — |
3 members have traded OFC: Gary C. Peters, Greg Gianforte, Thom Tillis.
OFC questions and answers
Are insiders buying OFC stock?
No open-market insider purchases or sales of OFC were filed in the last 90 days.
Which hedge funds own OFC?
11 13F filers hold OFC among their 50 largest positions, worth $342.3M combined. The biggest bets by portfolio weight are GRS Advisors, LLC (5.9%), Channing Capital Management, LLC (2.4%) and Presima Securities ULC (1.1%). In their latest 13Fs, 2 managers opened a new position and 2 added to one.
Has Congress traded OFC?
Members of Congress have disclosed 4 OFC trades since 2015, 1 purchase and 0 sales in the past year; the latest was Gary C. Peters (D-MI), buying $1K–15K on Nov 29, 2021.
Who is the largest holder of OFC?
Among 13F filers, Channing Capital Management, LLC reports the largest OFC position, $105.2M (2,891,994 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is GRS Advisors, LLC's: 5.9% of its portfolio.
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