359 institutions reported holding $2.83B of INTERNATIONAL SEAWAYS INC (INSW) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($456.7M), FMR LLC ($359.9M), DIMENSIONAL FUND ADVISORS LP ($220.4M), VANGUARD PORTFOLIO MANAGEMENT LLC ($151.9M), VANGUARD CAPITAL MANAGEMENT LLC ($151.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $456.7M | 6.3M | Added |
| 2 | FMR LLC | $359.9M | 4.9M | Added |
| 3 | DIMENSIONAL FUND ADVISORS LP | $220.4M | 3.0M | Added |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $151.9M | 2.1M | New |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $151.6M | 2.1M | New |
| 6 | AMERICAN CENTURY COMPANIES INC | $145.5M | 2.0M | Added |
| 7 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $116.8M | 1.6M | Trimmed |
| 8 | STATE STREET CORP | $113.7M | 1.6M | Added |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $82.9M | 1.1M | Added |
| 10 | Hosking Partners LLP | $50.1M | 686,852 | Trimmed |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $47.5M | 651,449 | Added |
| 12 | Invesco Ltd. | $47.2M | 647,860 | Added |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $44.3M | 608,265 | Added |
| 14 | MORGAN STANLEY | $43.3M | 593,515 | Trimmed |
| 15 | NORTHERN TRUST CORP | $30.2M | 414,579 | Added |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $30.2M | 414,555 | Trimmed |
| 17 | CITADEL ADVISORS LLC | $28.1M | 385,971 | Added |
| 18 | FRONTIER CAPITAL MANAGEMENT CO LLC | $25.1M | 344,697 | Added |
| 19 | CastleKnight Management LP | $20.9M | 286,801 | Added |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $20.6M | 283,258 | Added |
| 21 | GOLDMAN SACHS GROUP INC | $19.6M | 268,733 | Trimmed |
| 22 | VANGUARD FIDUCIARY TRUST CO | $19.6M | 268,274 | New |
| 23 | Empowered Funds, LLC | $19.5M | 268,163 | Added |
| 24 | Bank of New York Mellon Corp | $19.5M | 267,814 | Trimmed |
| 25 | AQR CAPITAL MANAGEMENT LLC | $19.2M | 263,226 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31