COPT Defense Properties (CDP) Ownership
CDP ownership summary
as of October 18, 2026- Institutions
- 117.2% of shares outstanding
- Insiders
- 0.25% of shares outstanding
- Shares outstanding
- 113.4M
- Float
- 112.1M shares available to trade
- Short interest
- 10.37% 8.6M shares short
- Days to cover
- 8.81 short interest up 23.3% vs prior month
- Institutions 117.25%
- Insiders 0.25%
CDP top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 17.56% | 19.9M | $663.0M | −1.4M (−6.5%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 10.65% | 12.1M | $402.0M | +217,928 (+1.8%) | June 30, 2026 |
| 3 | AllianceBernstein L.P. | 7.83% | 8.9M | $295.6M | +41,315 (+0.5%) | June 30, 2026 |
| 4 | State Street Corp | 6.06% | 6.9M | $228.7M | +34,561 (+0.5%) | June 30, 2026 |
| 5 | JPMorgan Chase & Co | 5.36% | 6.1M | $202.4M | +1.2M (+25.2%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 4.49% | 5.1M | $169.6M | +42,012 (+0.8%) | June 30, 2026 |
| 7 | Earnest Partners LLC | 3.90% | 4.4M | $147.2M | −102,795 (−2.3%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 3.06% | 3.5M | $115.4M | +198,766 (+6.1%) | June 30, 2026 |
| 9 | Channing Capital Management, LLC | 2.55% | 2.9M | $96.3M | −89,166 (−3.0%) | June 30, 2026 |
| 10 | Westwood Holdings Group Inc | 2.50% | 2.8M | $94.6M | −405,052 (−12.5%) | June 30, 2026 |
| 11 | Charles Schwab Investment Management Inc | 2.09% | 2.4M | $78.9M | +121,777 (+5.4%) | June 30, 2026 |
| 12 | Bank of America Corp | 2.04% | 2.3M | $76.9M | −11,385 (−0.5%) | June 30, 2026 |
| 13 | SEI Investments Co | 1.94% | 2.2M | $73.4M | −87,808 (−3.8%) | June 30, 2026 |
| 14 | Morgan Stanley - Brokerage Accounts | 1.84% | 2.1M | $69.6M | −133,731 (−6.0%) | June 30, 2026 |
| 15 | GRS Advisors, LLC | 1.70% | 1.9M | $64.3M | +280,879 (+17.0%) | June 30, 2026 |
| 16 | Northern Trust Corp | 1.66% | 1.9M | $62.7M | +277,512 (+17.3%) | June 30, 2026 |
| 17 | Principal Financial Group Inc | 1.54% | 1.8M | $58.3M | −1,914 (−0.1%) | June 30, 2026 |
| 18 | Two Sigma Investments LLC | 1.52% | 1.7M | $57.3M | −523,935 (−23.3%) | June 30, 2026 |
| 19 | The Goldman Sachs Group Inc | 1.48% | 1.7M | $55.8M | +215,884 (+14.8%) | June 30, 2026 |
| 20 | Dimensional Fund Advisors, Inc. | 1.47% | 1.7M | $55.6M | −13,146 (−0.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 2.7M shares and 10 cut 2.8M.
CDP top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Real Estate Index Investor | 3.76% | 4.3M | $141.9M | −50,685 (−1.2%) | August 31, 2026 |
| 2 | iShares Core S&P Mid-Cap ETF | 3.54% | 4.0M | $133.7M | −1,440 (−0.0%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.19% | 3.6M | $120.4M | −5,008 (−0.1%) | August 31, 2026 |
| 4 | iShares Russell 2000 ETF | 2.71% | 3.1M | $102.4M | −7,485 (−0.2%) | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.30% | 2.6M | $86.9M | +3,466 (+0.1%) | August 31, 2026 |
| 6 | Vanguard MStar Small Cap Value Index | 1.46% | 1.7M | $55.2M | +1,290 (+0.1%) | August 31, 2026 |
| 7 | Fidelity Small Cap Index | 1.12% | 1.3M | $42.5M | +8,918 (+0.7%) | July 31, 2026 |
| 8 | Vanguard Strategic Equity Inv | 1.01% | 1.1M | $38.1M | — | June 30, 2026 |
| 9 | iShares Russell 2000 Value ETF | 0.97% | 1.1M | $36.7M | +1,672 (+0.2%) | September 30, 2026 |
| 10 | AB Security of the Future S USD | 0.89% | 1.0M | $33.5M | +23,280 (+2.4%) | August 31, 2026 |
| 11 | Invesco S&P MidCap Momentum ETF | 0.84% | 949K | $31.6M | — | September 30, 2026 |
| 12 | Schwab US REIT ETF™ | 0.78% | 887K | $29.5M | +460 (+0.1%) | September 30, 2026 |
| 13 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.73% | 825K | $27.5M | −9,302 (−1.1%) | August 31, 2026 |
| 14 | AB Discovery Value Advisor | 0.70% | 790K | $26.3M | −15,750 (−2.0%) | August 31, 2026 |
| 15 | Vanguard Real Estate II Index | 0.67% | 755K | $25.1M | −2,299 (−0.3%) | August 31, 2026 |
| 16 | Touchstone Small Company A | 0.65% | 737K | $24.5M | +49,180 (+7.2%) | June 30, 2026 |
| 17 | Vanguard Russell 2000 ETF | 0.59% | 668K | $22.2M | +15,660 (+2.4%) | August 31, 2026 |
| 18 | DFA Real Estate Securities I | 0.55% | 618K | $20.6M | — | August 31, 2026 |
| 19 | State Street SPDR Port S&P 400 Md CpETF | 0.53% | 597K | $19.9M | −840 (−0.1%) | September 30, 2026 |
| 20 | Schwab US Small-Cap ETF™ | 0.52% | 594K | $19.8M | +396 (+0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CDP insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-23 | Philip L Hawkins | Sell | $32.71 | 5,536 | $181,083 |
| 2025-09-17 | Lisa G Trimberger | Sell | $30.72 | 4,896 | $150,405 |
| 2025-09-17 | Lisa G Trimberger | Sell | $30.52 | 3,000 | $91,560 |
| 2025-07-16 | Lisa C. McClain | Sell | $28.06 | — | — |
| 2025-06-11 | Lisa C. McClain | Buy | $28.41 | — | — |
| 2025-05-15 | Robert L. Denton | Sell | $26.70 | 4,398 | $117,427 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
CDP shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CDP
Institutional investors own 117.2% of COPT Defense Properties's shares and insiders 0.25%. The largest holder is BlackRock Inc with 17.56% of the shares (19.9M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 10 reduced their stake in the latest filings. Short interest is 10.37% of the float, or 8.81 days of average trading volume. The share count rose 24.9% since 2014.
Related: CDP analyst forecast, CDP key metrics, CDP dividend history. See the CDP stock overview for the latest quote and news.
CDP ownership FAQ
Who owns the most COPT Defense Properties stock?
The largest shareholders of COPT Defense Properties are BlackRock Inc (17.56%), Vanguard Portfolio Management, LLC (10.65%), AllianceBernstein L.P. (7.83%), State Street Corp (6.06%), JPMorgan Chase & Co (5.36%).
What percentage of COPT Defense Properties is owned by institutions?
Institutions hold 117.2% of COPT Defense Properties's shares outstanding; insiders hold 0.25%.
Which funds own COPT Defense Properties?
The largest fund holders of COPT Defense Properties are Vanguard Real Estate Index Investor (3.76%), iShares Core S&P Mid-Cap ETF (3.54%), Vanguard MStar Total Stk Mkt Idx Invest (3.19%), iShares Russell 2000 ETF (2.71%), Vanguard Small Cap Index (2.30%).
What is COPT Defense Properties's short interest?
8.6M shares of COPT Defense Properties were sold short, 10.37% of the float; at the average daily volume it would take 8.81 days to cover.
Are insiders buying or selling COPT Defense Properties?
Of the latest 6 reported insider transactions in COPT Defense Properties (since May 15, 2025), 1 were purchases and 5 were sales.
How many shares of COPT Defense Properties are outstanding?
COPT Defense Properties has 113.4M shares outstanding, of which 112.1M are in the public float.