International Seaways Ownership | Who Owns International Seaways?


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International Seaways Ownership Summary


International Seaways is owned by 72.22% institutional investors, 18.44% insiders, and 9.35% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 12.45% of INSW shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 4.91% of its assets in International Seaways shares.

INSW Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockInternational Seaways72.22%18.44%9.35%
SectorEnergy Stocks 50.11%14.40%35.50%
IndustryOil & Gas Midstream Stocks 47.93%19.04%33.04%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de6.14M12.45%$223.94M
Vanguard group4.76M9.61%$171.04M
Dimensional fund advisors lp3.20M6.47%$115.17M
American century companies1.86M3.76%$67.67M
Macquarie group1.79M3.60%$64.19M
Geode capital management948.14K1.91%$34.08M
Renaissance739.00K1.49%$26.56M
Donald smith709.04K1.44%$25.87M
Hosking partners llp688.77K1.40%$25.13M
Fmr595.33K1.20%$21.40M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Lesa sroufe58.16K1.95%$2.12M
Virtus family office37.47K1.75%$1.37M
Geosphere capital management35.00K1.09%$1.28M
Glenorchy capital50.33K1.06%$1.81M
Kettle hill capital management123.21K1.04%$4.49M
Pale fire capital se269.13K1.01%$9.82M
Hosking partners llp688.77K1.00%$25.13M
Epacria capital partners21.38K0.65%$779.98K
Donald smith709.04K0.61%$25.87M
Encompass capital advisors399.82K0.53%$14.59M

Top Buyers

HolderShares% AssetsChange
Bridgeway capital management397.01K0.32%397.01K
Vanguard group4.76M0.00%369.14K
Clearbridge investments316.47K0.01%316.47K
Macquarie group1.79M0.08%267.10K
Donald smith709.04K0.61%216.32K

Top Sellers

HolderShares% AssetsChange
M&g---259.99K
Balyasny asset management---229.56K
Blackrock funding, inc. /de6.14M0.00%-223.23K
Two sigma investments, lp---204.19K
Marshall wace, llp---188.32K

New Positions

HolderShares% AssetsChangeValue
Bridgeway capital management397.01K0.32%397.01K$14.27M
Clearbridge investments316.47K0.01%316.47K$11.37M
Castleknight management lp179.25K0.18%179.25K$6.54M
Csm advisors106.40K0.11%106.40K$3.88M
Public sector pension investment board100.44K0.02%100.44K$3.61M

Sold Out

HolderChange
National bank of canada /fi/-1.00
Tfc financial management-1.00
Northwestern mutual wealth management-4.00
Global financial private client-8.00
Iron horse wealth management-8.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 2025252-35,608,983-1.89%721.35%138-14.81%8126.56%
Dec 31, 2024162-37.69%26,802,410-14.93%541.34%108-16.92%40-54.55%
Sep 30, 2024258-9.47%31,501,187-7.52%631.34%129-29.12%878.75%
Jun 30, 202428512.20%34,064,4103.82%681.54%18227.27%808.11%
Mar 31, 202425413.90%32,810,293-0.34%661.48%14321.19%741.37%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF2.42M4.91%376.00
Avantis US Small Cap Value ETF1.61M3.26%1.46K
Vanguard Total Stock Mkt Idx Inv1.51M3.06%6.74K
Vanguard US Total Market Shares ETF1.47M2.99%1.19K
iShares Russell 2000 ETF951.61K1.93%-18.06K
Macquarie Small Cap Core I789.56K1.60%-
Macquarie Small Cap Value A704.75K1.43%-
Donald Smith & Co. All Eq Accounts Comp696.30K1.41%212.48K
DFA US Small Cap Value I691.16K1.40%-20.16K
Vanguard Institutional Extnd Mkt Idx Tr624.34K1.27%-10.34K

Recent Insider Transactions


DateNameRoleActivityValue
Aug 15, 2025Zabrocky Lois K President & CEOSell$83.17K
Aug 14, 2025Solon Derek G. Senior Vice PresidentSell$124.04K
Aug 14, 2025Small James D III CAO,SVP,Sec. & General CounselSell$206.74K
Jul 31, 2025Nugent William F. Senior Vice PresidentSell$40.21K
Jul 15, 2025Zabrocky Lois K President & CEOSell$77.24K

Insider Transactions Trends


DateBuySell
2025 Q3-4
2025 Q2-7
2025 Q1-7
2024 Q4-6
2024 Q3-8

INSW Ownership FAQ


Who Owns International Seaways?

International Seaways shareholders are primarily institutional investors at 72.22%, followed by 18.44% insiders and 9.34% retail investors. The average institutional ownership in International Seaways's industry, Oil & Gas Midstream Stocks , is 47.93%, which International Seaways exceeds.

Who owns the most shares of International Seaways?

International Seaways’s largest shareholders are Blackrock funding, inc. /de (6.14M shares, 12.45%), Vanguard group (4.76M shares, 9.61%), and Dimensional fund advisors lp (3.2M shares, 6.47%). Together, they hold 28.52% of International Seaways’s total shares outstanding.

Does Blackrock own International Seaways?

BlackRock is not among the top 10 institutional shareholders of International Seaways.

Who is International Seaways’s biggest shareholder by percentage of total assets invested?

Lesa sroufe is International Seaways’s biggest shareholder by percentage of total assets invested, with 1.95% of its assets in 58.16K International Seaways shares, valued at 2.12M$.

Who is the top mutual fund holder of International Seaways shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of International Seaways shares, with 4.91% of its total shares outstanding invested in 2.42M International Seaways shares.

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