INSW · International Seaways, Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding INSW
All superinvestors →Holder Concentration
Across 367 13F filersWho Holds INSW
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 366 filers, like-for-like change +5.3%; actively managed books +4.6%; index-like books +6.6%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 39.4% | 205 | -0.8% |
| Exempt adviser | 0.1% | 3 | -59.5% |
| Adviser | 7.2% | 11 | +15.8% |
| Bank | 8.1% | 17 | +18.4% |
| Insurer | 0.7% | 2 | +2.7% |
| Broker-dealer | 0.2% | 3 | +36.0% |
| Benefit plan | 0.3% | 7 | +31.1% |
| Non-US | 0.7% | 8 | +10.0% |
| Holding company | 31.6% | 11 | +5.0% |
| Unknown | 11.6% | 99 | +15.0% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 36.0% | 36 | +6.6% |
| Systematic-like | 0.7% | 13 | -61.6% |
| Concentrated | 0.7% | 69 | +0.6% |
| Diversified active | 62.6% | 248 | +6.6% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 63.7% | 226 | +5.2% |
| Medium turnover | 18.3% | 83 | +12.3% |
| High turnover | 1.7% | 31 | -41.6% |
| Unknown | 16.3% | 26 | +7.0% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 16.7% | 34 | +5.2% |
| Medium horizon | 20.0% | 66 | +9.3% |
| Long horizon | 62.3% | 247 | +4.2% |
| Unknown | 1.0% | 19 | 0.0% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 1.2% | 85 | -21.7% |
| $1B to $10B | 7.0% | 107 | +7.1% |
| $10B to $100B | 12.4% | 105 | +14.8% |
| $100B or more | 79.4% | 69 | +4.4% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 2.9% | 121 | -5.5% |
| Pooled investment vehicles | 3.5% | 20 | -23.1% |
| Registered funds and BDCs | 26.6% | 23 | +3.1% |
| Pension and profit sharing plans | 1.6% | 4 | -10.4% |
| Insurance companies | 0.2% | 4 | -5.2% |
| Charitable organizations | 0.0% | 2 | 0.0% |
| Governments and sovereign funds | 0.7% | 5 | +9.2% |
| Other investment advisers | 0.1% | 6 | +56.6% |
| Other | 0.0% | 1 | new |
| Diversified | 3.8% | 18 | +5.1% |
| Unknown | 60.6% | 162 | +9.7% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 6.2% | 37 | -13.8% |
| Private equity funds | 1.0% | 9 | +11.3% |
| Venture capital funds | 0.0% | 1 | +1.6% |
| Real estate funds | 0.0% | 4 | +757.9% |
| Liquidity funds | 0.0% | 1 | 0.0% |
| Securitized asset funds | 0.0% | 1 | -98.8% |
| Other private funds | 12.6% | 22 | +1.4% |
| Mixed private funds | 0.4% | 4 | +1.5% |
| Private funds, type not stated | 0.0% | 2 | +19.6% |
| No private funds | 19.3% | 127 | +2.2% |
| Unknown | 60.5% | 158 | +10.0% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 94.2% | 317 | +5.0% |
| Outside the US | 5.8% | 49 | +9.8% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 3 holders with no observed 2026-03-31 13F and 4 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
366 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 26.7% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies INSW's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | STNG Scorpio Tankers Inc. | 9 |
| 2 | TNK Teekay Tankers Ltd. | 8 |
| 3 | TEN Tsakos Energy Navigation Ltd | 6 |
| 4 | DHT DHT Holdings, Inc. | 9 |
| 5 | HSHP Himalaya Shipping Ltd. | 4 |
| 6 | ASC Ardmore Shipping Corp | 5 |
| 7 | FRO Frontline plc | 7 |
| 8 | HAFN Hafnia Ltd | 5 |
| 9 | BWLP BW LPG Ltd | 3 |
| 10 | ECO Okeanis Eco Tankers Corp. | 5 |
Shareholder Targets
13F filers that own its peers but not INSW, quarter ended Jun 30, 2026Found through its holder-overlap peers: STNG, TNK, TEN, DHT, HSHP, ASC, FRO, HAFN, BWLP, ECO, SBLK, TDW, CNR, MD, AMR, LXU, BTU, NVGS, TRMD, NMM. 701 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | OAKTREE CAPITAL MANAGEMENT LP Adviser, Concentrated | $529,796,516 1 held | TRMD |
| 2 | RENAISSANCE TECHNOLOGIES LLC Registered adviser, Diversified active | $527,218,008 14 held | BTU, AMR, STNG |
| 3 | TWO SIGMA INVESTMENTS, LP Registered adviser, Systematic-like | $503,648,915 18 held | STNG, FRO, SBLK |
| 4 | PILGRIM GLOBAL ADVISORS LLC Registered adviser, Unknown | $325,081,286 1 held | NMM |
| 5 | DME Capital Management, LP Registered adviser, Diversified active | $265,918,972 2 held | CNR, DHT |
| 6 | Qube Research & Technologies Ltd Exempt adviser, Systematic-like | $265,016,493 17 held | STNG, TNK, SBLK |
| 7 | JANE STREET GROUP, LLC Unknown, Diversified active | $198,953,110 17 held | DHT, ECO, FRO |
| 8 | Goehring & Rozencwajg Associates, LLC Registered adviser, Diversified active | $181,504,895 3 held | AMR, CNR, TDW |
| 9 | GENDELL JEFFREY L Unknown, Concentrated | $178,594,875 3 held | AMR, BTU, CNR |
| 10 | VAN ECK ASSOCIATES CORP Registered adviser, Index-like | $156,243,674 4 held | CNR, TDW, BTU |
Fund Ownership of INSW by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 10.22% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 1.08% | 536,763 |
| Index ETFs | 9.13% | 4,523,644 |
| Active ETFs | 2.15% | 1,066,469 |
| Active funds | 1.53% | 758,237 |
| Unclassified | 4.10% | 2,031,398 |
| All registered funds | 18.00% | 8,916,511 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. Holding company | $505,153,013 | 15.65% | 6,595,548 | Shares | 2026-08-07 | |
| Mega FMR LLC Holding company | $378,777,146 | 11.74% | 4,945,517 | Shares | 2026-08-13 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $235,216,772 | 7.29% | 3,071,116 | Shares | 2026-08-11 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $174,734,187 | 5.41% | 2,281,423 | Shares | 2026-08-13 | |
| Mega AMERICAN CENTURY COMPANIES INC | $164,699,365 | 5.10% | 2,150,403 | Shares | 2026-08-12 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $160,174,045 | 4.96% | 2,091,318 | Shares | 2026-08-13 | |
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Adviser | $138,130,984 | 4.28% | 1,803,512 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $128,667,600 | 3.99% | 1,679,953 | Shares | 2026-09-22 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $94,954,136 | 2.94% | 1,239,772 | Shares | 2026-08-12 | |
| Mega MORGAN STANLEY Holding company | $60,491,237 | 1.87% | 789,806 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. Adviser | $52,949,496 | 1.64% | 691,337 | Shares | 2026-08-14 | |
| Mid Hosking Partners LLP Registered adviser | $49,255,268 | 1.53% | 447,206 | Shares | 2026-10-21 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $47,925,120 | 1.48% | 625,736 | Shares | 2026-08-14 | |
| Mid CastleKnight Management LP Registered adviser | $44,491,973 | 1.38% | 580,911 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $37,942,686 | 1.18% | 495,400 | Put | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $37,810,643 | 1.17% | 493,676 | Shares | 2026-08-13 | |
| Mid CastleKnight Management LP Registered adviser | $35,997,300 | 1.12% | 470,000 | Call | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $29,413,240 | 0.91% | 384,035 | Shares | 2026-08-14 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC Registered adviser | $28,098,726 | 0.87% | 366,872 | Shares | 2026-08-14 | |
| Large FRONTIER CAPITAL MANAGEMENT CO LLC Registered adviser | $25,748,026 | 0.80% | 336,180 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $24,620,161 | 0.76% | 321,454 | Shares | 2026-08-14 | |
| Mega UBS Group AG Bank | $24,388,858 | 0.76% | 318,434 | Shares | 2026-08-13 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Registered adviser | $23,317,748 | 0.72% | 304,449 | Shares | 2026-08-13 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $23,199,184 | 0.72% | 302,901 | Shares | 2026-08-14 | |
| Mega VICTORY CAPITAL MANAGEMENT INC Registered adviser | $21,928,099 | 0.68% | 286,305 | Shares | 2026-08-07 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $21,199,652 | 0.66% | 276,794 | Shares | 2026-08-13 | |
| Mega Bank of New York Mellon Corp Bank | $21,082,313 | 0.65% | 275,262 | Shares | 2026-08-06 | |
| Mega PRINCIPAL FINANCIAL GROUP INC Insurer | $19,848,528 | 0.61% | 259,153 | Shares | 2026-08-04 | |
| Large Empowered Funds, LLC Registered adviser | $19,710,970 | 0.61% | 257,357 | Shares | 2026-08-17 | |
| Large Baird Financial Group, Inc. | $19,033,073 | 0.59% | 248,506 | Shares | 2026-08-12 | |
| Mega FIRST TRUST ADVISORS LP Registered adviser | $16,729,400 | 0.52% | 218,428 | Shares | 2026-08-11 | |
| Mega Allianz Asset Management GmbH | $16,034,116 | 0.50% | 209,350 | Shares | 2026-09-02 | |
| Large Public Sector Pension Investment Board Non-US | $14,453,835 | 0.45% | 188,717 | Shares | 2026-08-13 | |
| Mid PRIVATE MANAGEMENT GROUP INC Registered adviser | $13,664,345 | 0.42% | 178,409 | Shares | 2026-07-31 | |
| Mega ENVESTNET ASSET MANAGEMENT INC Registered adviser | $13,335,467 | 0.41% | 174,115 | Shares | 2026-09-23 | |
| Mega FRANKLIN RESOURCES INC Adviser | $12,979,858 | 0.40% | 169,472 | Shares | 2026-08-13 | |
| Mega Clearbridge Investments, LLC Registered adviser | $12,485,472 | 0.39% | 163,017 | Shares | 2026-08-13 | |
| Large Squarepoint Ops LLC Registered adviser | $12,020,187 | 0.37% | 156,942 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $11,833,382 | 0.37% | 154,503 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $11,411,910 | 0.35% | 149,000 | Call | 2026-08-14 | |
| Mega Nuveen, LLC | $9,456,336 | 0.29% | 123,467 | Shares | 2026-08-11 | |
| Large Connor, Clark & Lunn Investment Management Ltd. Registered adviser | $9,354,932 | 0.29% | 122,143 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO Bank | $9,296,645 | 0.29% | 121,382 | Shares | 2026-08-12 | |
| Large FEDERATED HERMES, INC. Adviser | $8,748,874 | 0.27% | 114,230 | Shares | 2026-08-12 | |
| Large LOOMIS SAYLES & CO L P Registered adviser | $8,435,469 | 0.26% | 110,138 | Shares | 2026-08-14 | |
| Mid Brookstone Capital Management Registered adviser | $8,178,225 | 0.25% | 74,253 | Shares | 2026-10-22 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $8,156,835 | 0.25% | 106,500 | Put | 2026-09-02 | |
| Mega Legal & General Group Plc | $8,000,207 | 0.25% | 104,455 | Shares | 2026-08-14 | |
| Mid Aristotle Capital Boston, LLC Registered adviser | $7,944,987 | 0.25% | 103,734 | Shares | 2026-08-14 | |
| Large BESSEMER GROUP INC | $7,884,173 | 0.24% | 102,940 | Shares | 2026-08-12 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $7,603,165 | 0.24% | 99,271 | Shares | 2026-08-12 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $7,409,163 | 0.23% | 96,738 | Shares | 2026-08-14 | |
| Large LSV ASSET MANAGEMENT Registered adviser | $7,383,276 | 0.23% | 96,400 | Shares | 2026-08-06 | |
| Large Kestra Advisory Services, LLC | $7,082,353 | 0.22% | 92,471 | Shares | 2026-07-28 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $6,974,515 | 0.22% | 91,063 | Shares | 2026-08-14 | |
| Small DENALI ADVISORS LLC Registered adviser | $6,485,717 | 0.20% | 84,681 | Shares | 2026-08-10 | |
| Mega CITIGROUP INC Bank | $6,390,822 | 0.20% | 83,442 | Shares | 2026-08-03 | |
| Mega ROYAL BANK OF CANADA Bank | $6,209,530 | 0.19% | 81,075 | Shares | 2026-08-14 | |
| Large LOS ANGELES CAPITAL MANAGEMENT LLC Registered adviser | $6,205,474 | 0.19% | 81,022 | Shares | 2026-08-13 | |
| Mega Swiss National Bank | $6,073,587 | 0.19% | 79,300 | Shares | 2026-08-11 | |
| Mega Creative Planning Registered adviser | $6,027,019 | 0.19% | 78,692 | Shares | 2026-08-13 | |
| Mega LPL Financial LLC Broker-dealer | $5,982,674 | 0.19% | 78,113 | Shares | 2026-08-07 | |
| Small Cercano Management LLC Registered adviser | $5,602,328 | 0.17% | 73,147 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $5,578,662 | 0.17% | 72,838 | Shares | 2026-09-02 | |
| Large Robeco Institutional Asset Management B.V. | $5,217,662 | 0.16% | 47,373 | Shares | 2026-10-20 | |
| Large GABELLI FUNDS LLC Registered adviser | $5,002,092 | 0.15% | 65,310 | Shares | 2026-08-12 | |
| Small Lesa Sroufe & Co Registered adviser | $4,720,088 | 0.15% | 61,628 | Shares | 2026-07-22 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $4,363,025 | 0.14% | 56,966 | Shares | 2026-08-14 | |
| Mid Energy Income Partners, LLC Registered adviser | $4,160,598 | 0.13% | 54,323 | Shares | 2026-08-07 | |
| Mid Glenorchy Capital Ltd Registered adviser | $4,100,475 | 0.13% | 53,538 | Shares | 2026-07-29 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $4,044,258 | 0.13% | 52,804 | Shares | 2026-08-14 | |
| Large IEQ CAPITAL, LLC Registered adviser | $3,959,626 | 0.12% | 51,699 | Shares | 2026-08-11 | |
| Large Tidal Investments LLC Registered adviser | $3,908,694 | 0.12% | 51,034 | Shares | 2026-08-13 | |
| Mid MARTINGALE ASSET MANAGEMENT L P Registered adviser | $3,833,406 | 0.12% | 50,051 | Shares | 2026-08-13 | |
| Mid NAVELLIER & ASSOCIATES INC Registered adviser | $3,780,099 | 0.12% | 49,355 | Shares | 2026-08-04 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $3,728,477 | 0.12% | 48,681 | Shares | 2026-08-13 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Benefit plan | $3,714,461 | 0.12% | 48,498 | Shares | 2026-08-24 | |
| Mid SummitTX Capital, L.P. Registered adviser | $3,712,547 | 0.12% | 48,473 | Shares | 2026-08-14 | |
| Mid Informed Momentum Co LLC Registered adviser | $3,440,039 | 0.11% | 44,915 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $3,369,960 | 0.10% | 44,000 | Call | 2026-09-02 | |
| Mega Russell Investments Group, Ltd. | $3,344,913 | 0.10% | 43,673 | Shares | 2026-08-06 | |
| Mega DEUTSCHE BANK AG\ Non-US | $3,307,998 | 0.10% | 43,191 | Shares | 2026-08-07 | |
| Mid CWA Asset Management Group, LLC Registered adviser | $3,126,103 | 0.10% | 28,383 | Shares | 2026-10-19 | |
| Mid Ruffer LLP Registered adviser | $3,119,510 | 0.10% | 40,730 | Shares | 2026-07-30 | |
| Mega Amundi Holding company | $3,073,786 | 0.10% | 40,133 | Shares | 2026-08-11 | |
| Mid XTX Topco Ltd | $2,975,521 | 0.09% | 38,850 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $2,965,256 | 0.09% | 38,716 | Shares | 2026-08-14 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $2,952,161 | 0.09% | 38,545 | Shares | 2026-07-29 | |
| Mid Horizon Investments, LLC Registered adviser | $2,928,112 | 0.09% | 38,231 | Shares | 2026-08-13 | |
| Large Universal- Beteiligungs- und Servicegesellschaft mbH | $2,906,590 | 0.09% | 37,950 | Shares | 2026-08-06 | |
| Mid SEGALL BRYANT & HAMILL, LLC Registered adviser | $2,876,643 | 0.09% | 37,559 | Shares | 2026-08-12 | |
| Mid Hennion & Walsh Asset Management, Inc. Adviser | $2,870,358 | 0.09% | 26,061 | Shares | 2026-10-13 | |
| Mega SEI INVESTMENTS CO Holding company | $2,707,915 | 0.08% | 35,356 | Shares | 2026-08-14 | |
| Mega MARSHALL WACE, LLP Exempt adviser | $2,706,613 | 0.08% | 35,339 | Shares | 2026-08-13 | |
| Large QRG CAPITAL MANAGEMENT, INC. Registered adviser | $2,692,061 | 0.08% | 35,149 | Shares | 2026-09-23 | |
| Large Vident Advisory, LLC Registered adviser | $2,653,842 | 0.08% | 34,650 | Shares | 2026-08-12 | |
| Large LAZARD ASSET MANAGEMENT LLC Adviser | $2,600,460 | 0.08% | 33,953 | Shares | 2026-08-14 | |
| Large VIRGINIA RETIREMENT SYSTEMS ET Al | $2,565,765 | 0.08% | 33,500 | Shares | 2026-08-25 | |
| Mid ALGERT GLOBAL LLC Registered adviser | $2,482,281 | 0.08% | 32,410 | Shares | 2026-08-13 | |
| Mid Inspire Investing, LLC Registered adviser | $2,479,802 | 0.08% | 22,515 | Shares | 2026-10-22 |
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