Diana Shipping Inc.
Ownership
Ownership Structure
Who owns Diana Shipping Inc. (DSX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 36.1% of the shares are freely tradable; institutional investors hold 11.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Arnhold & S. Bleichroeder Advisers, LLC | 3.80 | 4,726,554 | +273.8 | 06/30/2026 |
| Renaissance Technologies Corp | 2.19 | 2,730,680 | -8.5 | 06/30/2026 |
| Two Sigma Investments LLC | 1.84 | 2,294,815 | +182.0 | 06/30/2026 |
| Hosking Partners LLP | 1.40 | 1,739,792 | -3.0 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 1.14 | 1,416,200 | -3.0 | 06/30/2026 |
| Appleseed Capital | 1.02 | 1,269,163 | -24.0 | 06/30/2026 |
| Mackenzie Investments | 0.84 | 1,047,647 | +212.8 | 06/30/2026 |
| Arrowstreet Capital Limited Partnership | 0.83 | 1,026,530 | +111.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| First Eagle Small Cap Opportunity I | 1.82 | 2,266,857 | +5.0 | 09/30/2026 |
| Mackenzie GQE Emerging Markets F | 0.70 | 874,246 | +4.6 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Paliou Semiramis | Chief Executive Officer | 18,210,394 | 43,704,946 $ | Sep 11, 2026 | indirect |
| Palios Symeon | Director | 7,163,135 | 17,191,524 $ | Nov 10, 2026 | indirect |
| Zafirakis Ioannis | President | 4,948,678 | 11,876,827 $ | Sep 10, 2026 | indirect |
| Diana Shipping Inc. | 10% Owner | 4,130,585 | 9,913,404 $ | Sep 2, 2026 | direct |
| Margaronis Anastasios | Director | 1,398,831 | 3,357,194 $ | Oct 12, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 10, 2026 | Palios Symeon | Director | Other | 637,787 | – | – |
| Oct 13, 2026 | Palios Symeon | Director | Other | 64,206 | – | – |
| Oct 13, 2026 | Palios Symeon | Director | Other | 497,305 | – | – |
| Oct 12, 2026 | Margaronis Anastasios | Director | Other | 354,189 | – | – |
| Sep 29, 2026 | Margaronis Anastasios | Director | Other | 1,193,276 | – | – |
| Sep 21, 2026 | Margaronis Anastasios | Director | Other | 1,695,269 | – | – |
| Sep 17, 2026 | Margaronis Anastasios | Director | Other | 207,621 | – | – |
| Sep 11, 2026 | Paliou Semiramis | Chief Executive Officer | Other | 4,610,946 | – | – |
| Sep 11, 2026 | Paliou Semiramis | Chief Executive Officer | Other | 1,369,120 | – | – |
| Sep 10, 2026 | Zafirakis Ioannis | President | Other | 1,695,270 | – | – |
| Sep 2, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 75,000 | 26.73 | 2,004,750 |
| Sep 1, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 125,000 | 26.02 | 3,252,500 |
| Aug 28, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 2,280 | 26.00 | 59,280 |
| Aug 27, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 8,427 | 26.13 | 220,198 |
| Aug 25, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 348,256 | 26.56 | 9,249,679 |
| Aug 25, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 75,000 | 26.51 | 1,988,250 |
| Aug 24, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 375,000 | 26.74 | 10,027,500 |
| Aug 24, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 75,000 | 26.50 | 1,987,500 |
| Aug 21, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 375,000 | 26.59 | 9,971,250 |
| Aug 21, 2026 | Diana Shipping Inc. | 10% Owner | Sell | 75,000 | 26.93 | 2,019,750 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 12, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.