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Of the 9 tracked institutions holding INSW, 4 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +2.8pt. It's a gauge of who owns the name, not just how many.
Among the 9 tracked institutional investors we monitor, INSW (INTERNATIONAL SEAWAYS INC) is held with a combined value of $1.26B across 17,964,953 shares. The largest holder is BlackRock, Inc. with a position worth $505.15M. Grantham, Mayo, Van Otterloo & Co. LLC opened a new position in the most recent quarter. 5 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$1.26B
Total Shares Held
17,964,953
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $505.15M | 0.01% | +5.2% |
| 2 | FMR LLC | $378.78M | 0.02% | +0.2% |
| 3 | VANGUARD GROUP INC | $208.28M | 0.00% | -1.5% |
| 4 | STATE STREET CORP | $128.67M | 0.00% | +7.7% |
| 5 | AQR CAPITAL MANAGEMENT LLC | $23.20M | 0.01% | +15.1% |
| 6 | CITADEL ADVISORS LLC | $5.58M | 0.00% | -71.3% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $4.36M | 0.00% | +20.4% |
| 8 | MILLENNIUM MANAGEMENT LLC | $1.39M | 0.00% | -81.2% |
| 9 | Grantham, Mayo, Van Otterloo & Co. LLC | $227.47K | 0.00% | New |
SEC Schedule 13D (activist) and 13G (passive) filings for INSW. Filed when an investor acquires 5%+ ownership.
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of INSW with a position worth $505.15M, representing 0.01% of their portfolio. In total, 9 institutional investors hold INSW with a combined value of $1.26B.
In the most recent quarter, 1 fund opened a new position in INSW. Additionally, 5 increased their holdings and 3 reduced their positions.
Institutional investors hold $1.26B worth of INSW stock across 9 positions. The largest institutional holder is BlackRock, Inc. with $505.15M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For INSW, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their INSW positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$111.15
2026-10-21
YTD
+136.5%
83% of 52-week range
