International Seaways, Inc. (INSW) Ownership
INSW ownership summary
as of October 18, 2026- Institutions
- 84.8% of shares outstanding
- Insiders
- 15.12% of shares outstanding
- Shares outstanding
- 49.5M
- Float
- 42.0M shares available to trade
- Short interest
- 8.42% 2.9M shares short
- Days to cover
- 3.70 short interest down 1.9% vs prior month
- Institutions 84.82%
- Insiders 15.12%
- Other investors 0.06%
INSW top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 13.32% | 6.6M | $725.4M | +328,876 (+5.2%) | June 30, 2026 |
| 2 | FMR Inc | 9.98% | 4.9M | $544.0M | +7,717 (+0.2%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 6.20% | 3.1M | $337.8M | +46,361 (+1.5%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 4.61% | 2.3M | $250.9M | +196,523 (+9.4%) | June 30, 2026 |
| 5 | American Century Companies Inc | 4.34% | 2.2M | $236.5M | +153,510 (+7.7%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 4.22% | 2.1M | $230.0M | +11,137 (+0.5%) | June 30, 2026 |
| 7 | Delaware Management Holdings Inc | 3.64% | 1.8M | $198.4M | +201,442 (+12.6%) | June 30, 2026 |
| 8 | State Street Corp | 3.39% | 1.7M | $184.8M | +120,125 (+7.7%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 2.50% | 1.2M | $136.4M | +103,134 (+9.1%) | June 30, 2026 |
| 10 | Morgan Stanley - Brokerage Accounts | 1.59% | 790K | $86.9M | +196,291 (+33.1%) | June 30, 2026 |
| 11 | Amvescap Plc. | 1.40% | 691K | $76.0M | +43,477 (+6.7%) | June 30, 2026 |
| 12 | Charles Schwab Investment Management Inc | 1.26% | 626K | $68.8M | −25,713 (−3.9%) | June 30, 2026 |
| 13 | Hosking Partners LLP | 1.23% | 609K | $66.9M | −78,283 (−11.4%) | June 30, 2026 |
| 14 | CastleKnight Management LP | 1.17% | 581K | $63.9M | +294,110 (+102.5%) | June 30, 2026 |
| 15 | Northern Trust Corp | 1.00% | 494K | $54.3M | +79,097 (+19.1%) | June 30, 2026 |
| 16 | Susquehanna International Group, LLP | 0.78% | 384K | $42.2M | +283,177 (+280.8%) | June 30, 2026 |
| 17 | Bridgeway Capital Management, LLC | 0.74% | 367K | $40.4M | −47,683 (−11.5%) | June 30, 2026 |
| 18 | Frontier Capital Management CO Inc | 0.68% | 336K | $37.0M | −8,517 (−2.5%) | June 30, 2026 |
| 19 | The Goldman Sachs Group Inc | 0.65% | 321K | $35.4M | +52,721 (+19.6%) | June 30, 2026 |
| 20 | UBS Group AG | 0.64% | 318K | $35.0M | +154,973 (+94.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 2.3M shares and 4 cut 160K.
INSW top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Tactical High Income Sr F8 | 6.63% | 3.3M | $361.4M | — | June 30, 2026 |
| 2 | iShares Core S&P Small-Cap ETF | 5.00% | 2.5M | $272.6M | +543 (+0.0%) | September 30, 2026 |
| 3 | Avantis US Small Cap Value ETF | 4.07% | 2.0M | $221.9M | +2,568 (+0.1%) | September 30, 2026 |
| 4 | Fidelity Advisor Multi-Asset Income I | 3.34% | 1.7M | $182.0M | +31 (+0.0%) | July 31, 2026 |
| 5 | Vanguard MStar Total Stk Mkt Idx Invest | 3.17% | 1.6M | $172.7M | −9,834 (−0.6%) | August 31, 2026 |
| 6 | iShares Russell 2000 ETF | 2.21% | 1.1M | $120.4M | −12,608 (−1.1%) | September 30, 2026 |
| 7 | DFA US Small Cap Value I | 1.40% | 691K | $76.0M | — | August 31, 2026 |
| 8 | Nomura Small Cap Core I | 1.38% | 685K | $75.4M | — | August 31, 2026 |
| 9 | Vanguard Small Cap Index | 1.13% | 558K | $61.3M | −11,419 (−2.0%) | September 30, 2026 |
| 10 | Invesco S&P SmallCap Momentum ETF | 0.95% | 471K | $51.8M | — | September 30, 2026 |
| 11 | Nomura Small Cap Value A | 0.94% | 464K | $51.0M | — | August 31, 2026 |
| 12 | Fidelity Small Cap Index | 0.93% | 462K | $50.8M | +3,653 (+0.8%) | July 31, 2026 |
| 13 | DFA US Targeted Value I | 0.85% | 421K | $46.3M | — | August 31, 2026 |
| 14 | iShares Russell 2000 Value ETF | 0.80% | 396K | $43.5M | +600 (+0.2%) | September 30, 2026 |
| 15 | iShares S&P Small-Cap 600 Growth ETF | 0.78% | 386K | $42.4M | — | September 30, 2026 |
| 16 | State Street SPDR Port S&P 600 Sm CpETF | 0.76% | 377K | $41.5M | — | September 30, 2026 |
| 17 | Vanguard MStar Small Cap Value Index | 0.73% | 363K | $39.9M | +1,123 (+0.3%) | September 30, 2026 |
| 18 | Dimensional US Targeted Value ETF | 0.73% | 361K | $39.7M | +87 (+0.0%) | September 30, 2026 |
| 19 | Dimensional US Small Cap Value ETF | 0.55% | 275K | $30.2M | — | September 24, 2026 |
| 20 | Vanguard Tax-Managed Small Cap Adm | 0.53% | 262K | $28.8M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
INSW insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-15 | Lois K Zabrocky | Sell | $74.57 | 2,000 | $149,140 |
| 2026-04-15 | Jeffrey Pribor | Sell | $74.50 | 1,000 | $74,500 |
| 2026-03-16 | Lois K Zabrocky | Sell | $67.79 | 2,000 | $135,580 |
| 2026-03-16 | Jeffrey Pribor | Sell | $66.50 | 1,000 | $66,500 |
| 2026-03-09 | Alexandra Kate Blankenship | Sell | $74.88 | 5,000 | $374,400 |
| 2026-03-09 | Debra Grillo | Sell | $76.27 | 389 | $29,669 |
| 2026-03-09 | Randee E Day | Sell | $74.93 | 4,090 | $306,464 |
| 2026-03-04 | James D Small III | Sell | $75.37 | 20,000 | $1.5M |
| 2026-03-03 | Randee E Day | Sell | $75.40 | 2,635 | $198,679 |
| 2026-03-02 | Derek G Solon | Sell | $75.41 | 6,000 | $452,460 |
| 2026-03-02 | William F Nugent | Sell | $76.00 | 9,583 | $728,308 |
| 2026-03-02 | Alexandra Kate Blankenship | Sell | $75.69 | 4,000 | $302,760 |
| 2026-02-17 | Jeffrey Pribor | Sell | $63.29 | 1,000 | $63,290 |
| 2026-02-17 | Lois K Zabrocky | Sell | $63.96 | 2,000 | $127,920 |
| 2026-01-15 | Jeffrey Pribor | Sell | $55.68 | 1,000 | $55,680 |
| 2026-01-15 | Lois K Zabrocky | Sell | $55.17 | 2,000 | $110,340 |
| 2025-12-15 | Jeffrey Pribor | Sell | $48.26 | 1,000 | $48,260 |
| 2025-12-15 | Lois K Zabrocky | Sell | $48.56 | 2,000 | $97,120 |
| 2025-11-17 | Lois K Zabrocky | Sell | $53.82 | 2,000 | $107,640 |
| 2025-11-17 | Jeffrey Pribor | Sell | $53.58 | 1,000 | $53,580 |
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.
INSW shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns INSW
Institutional investors own 84.8% of International Seaways's shares and insiders 15.12%. The largest holder is BlackRock Inc with 13.32% of the shares (6.6M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 8.42% of the float, or 3.70 days of average trading volume. The share count rose 71.0% since 2014.
Related: INSW analyst forecast, INSW key metrics, INSW dividend history. See the INSW stock overview for the latest quote and news.
INSW ownership FAQ
Who owns the most International Seaways stock?
The largest shareholders of International Seaways are BlackRock Inc (13.32%), FMR Inc (9.98%), Dimensional Fund Advisors, Inc. (6.20%), Vanguard Portfolio Management, LLC (4.61%), American Century Companies Inc (4.34%).
What percentage of International Seaways is owned by institutions?
Institutions hold 84.8% of International Seaways's shares outstanding; insiders hold 15.12%.
Which funds own International Seaways?
The largest fund holders of International Seaways are Fidelity Tactical High Income Sr F8 (6.63%), iShares Core S&P Small-Cap ETF (5.00%), Avantis US Small Cap Value ETF (4.07%), Fidelity Advisor Multi-Asset Income I (3.34%), Vanguard MStar Total Stk Mkt Idx Invest (3.17%).
What is International Seaways's short interest?
2.9M shares of International Seaways were sold short, 8.42% of the float; at the average daily volume it would take 3.70 days to cover.
Are insiders buying or selling International Seaways?
Of the latest 20 reported insider transactions in International Seaways (since November 17, 2025), 0 were purchases and 20 were sales.
How many shares of International Seaways are outstanding?
International Seaways has 49.5M shares outstanding, of which 42.0M are in the public float.