International Seaways INSW Institutional Ownership

International Seaways, Inc. (NYSE:INSW) has 365 institutional investors with active 13F positions as of June 2026.

• Their combined ownership stood at 83.1% of outstanding shares in June 2026, up from 77.8% in March 2026.
• Their total shares held in INSW increased 9.49% from the prior quarter, while the number of investors in International Seaways increased 46.0% year over year.
• During the quarter, 229 of these 365 funds increased positions in INSW, 86 reduced exposure, and 50 held steady.
• The aggregate institutional position in International Seaways amounted to 41.11Mn shares as of June 2026, up by 3.56Mn shares quarter on quarter, and up 5.29Mn shares year over year.
• As of June 30, 2026, the biggest holder of International Seaways is BlackRock, Inc. at 6.6Mn shares, representing 13.33% of shares outstanding.
• The biggest buyers of International Seaways for the quarter ending June 2026 included Sixth Street Partners Management Company, L.P. (625.74K), BlackRock, Inc. (328.88K), CastleKnight Management LP (294.11K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (283.18K), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (201.44K).
• The biggest sellers of International Seaways for the quarter ending June 2026 included ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (303.82K), CITADEL ADVISORS LLC (181.23K), TUDOR INVESTMENT CORP ET AL (78.78K), MILLENNIUM MANAGEMENT LLC (78.53K), Hosking Partners LLP (78.28K).
• Per Business Quant, the top 10 investors in INSW for the quarter ending June 2026 include BlackRock, Inc. (6.6Mn), FMR LLC (4.95Mn), DIMENSIONAL FUND ADVISORS LP (3.07Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.28Mn), AMERICAN CENTURY COMPANIES INC (2.15Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.09Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.8Mn), State Street Corp (1.68Mn), GEODE CAPITAL MANAGEMENT, LLC (1.24Mn), Morgan Stanley (789.81K).