Vault-13

OKEANIS ECO TANKERS COR ECO

SHS · Common Stock · CUSIP Y64177101

116 institutional holders +23 vs Q1 2026
9,745,4169.7m shares reported held*
$479.9mreported value*
39 new 34 added 30 reduced 17 sold out net bought ≈ $4.2m (+84.1k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $49.25. Options: 4 managers hold calls ($2.1m notional), 5 hold puts ($5.7m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q4 23: 17Q1 24: 24Q2 24: 31Q3 24: 41Q4 24: 36Q1 25: 34Q2 25: 29Q3 25: 40Q4 25: 64Q1 26: 93Q2 26: 116116Q4 23Q2 24Q4 24Q2 25Q4 25Q2 26
Numbers
QuarterHolders
Q4 202317
Q1 202424
Q2 202431
Q3 202441
Q4 202436
Q1 202534
Q2 202529
Q3 202540
Q4 202564
Q1 202693
Q2 2026116

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 24 bought or addedQ3 24: 18 cut or sold outQ4 24: 18 bought or addedQ4 24: 26 cut or sold outQ4 24Q1 25: 17 bought or addedQ1 25: 19 cut or sold outQ2 25: 14 bought or addedQ2 25: 20 cut or sold outQ2 25Q3 25: 28 bought or addedQ3 25: 13 cut or sold outQ4 25: 49 bought or addedQ4 25: 19 cut or sold outQ4 25Q1 26: 73 bought or addedQ1 26: 25 cut or sold outQ2 26: 73 bought or addedQ2 26: 47 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20242418
Q4 20241826
Q1 20251719
Q2 20251420
Q3 20252813
Q4 20254919
Q1 20267325
Q2 20267347

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6mQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $2.1mQ2 26 puts: $5.7mQ2 26P/C 2.69
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$0$0—
Q1 2026$0$0—
Q2 2026$2.1m$5.7m2.69

Biggest buyers

BARCLAYS PLC Added +307,700+307.7k
Qube Research & Technologies Ltd Added +226,338+226.3k
TWO SIGMA INVESTMENTS, LP Added +222,666+222.7k
FIL Ltd Added +205,215+205.2k
JANE STREET GROUP, LLC Added +162,109+162.1k
MORGAN STANLEY Added +134,836+134.8k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +101,689+101.7k
CastleKnight Management LP New +88,300+88.3k
GOLDMAN SACHS GROUP INC Added +81,261+81.3k
Thomist Capital Management, LP Added +78,822+78.8k

Biggest sellers

Portolan Capital Management, LLC Reduced -342,863-342.9k
BlackRock, Inc. Reduced -233,650-233.7k
BANK OF AMERICA CORP /DE/ Reduced -206,279-206.3k
Encompass Capital Advisors LLC Reduced -155,235-155.2k
Militia Capital Management LLC Reduced -130,000-130.0k
FEARNLEY ASSET MANAGEMENT AS Reduced -124,558-124.6k
Oceanic Investment Management LTD Sold out -112,371-112.4k
Global IMC LLC Sold out -107,025-107.0k
DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD. Sold out -105,038-105.0k
Informed Momentum Co LLC Sold out -80,569-80.6k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $1.1m21.7k shares
CITADEL ADVISORS LLC New $561.3k11.2k shares
Belvedere Trading LLC New $397.1k800 shares
SIMPLEX TRADING, LLC New $70.2k1.4k shares

Biggest puts

JANE STREET GROUP, LLC New $2.4m48.3k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $2.3m45.1k shares
Belvedere Trading LLC New $546.0k1.1k shares
CITADEL ADVISORS LLC New $431.0k8.6k shares
SIMPLEX TRADING, LLC New $80.2k1.6k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Hospitality Assets Corp. 13G · exempt (held before listing) filed 2026-03-18 17.0% 6.6m≈ $332.1m 2026-03-18

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 1 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——
Q4 20250—0——
Q1 20260—0——
Q2 20260—0——
Q3 20260—1$4.7m—
DateInsiderTradeSharesPrice ValueTheir holding
2026-08-14 Gold Daniel Allen Director · Held by QVT Family Office Fund LP Sold 68,420 $59.99 $4.1m68.4k shares -5%
2026-08-14 QVT Financial LP Director by Deputization · Held by QVT Family Office Fund LP Sold 68,420 $59.99 $4.1m68.4k shares -5%
2026-08-13 Gold Daniel Allen Director · Held by QVT Family Office Fund LP Sold 8,539 $65.04 $555.4k8.5k shares -1%
2026-08-13 QVT Financial LP Director by Deputization · Held by QVT Family Office Fund LP Sold 8,539 $65.04 $555.4k8.5k shares -1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 QVT Financial LP 4.11% of their portfolio New York, NY 1,423,9971.4m $64.2m $64.2m 4.11% Unchanged
2 FIL Ltd 0.03% of their portfolio HAMILTON, D0 829,399829.4k $41.1m $41.1m 0.03% Added +205.2k +205,215
3 BARCLAYS PLC 0.01% of their portfolio LONDON, X0 577,701577.7k $29.0m $29.0m 0.01% Added +307.7k +307,700
4 MARSHALL WACE, LLP 0.02% of their portfolio LONDON, X0 565,642565.6k $28.3m $28.3m 0.02% Added +73.6k +73,624
5 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 527,038527.0k $26.4m $26.4m 0.02% Added +222.7k +222,666
6 JANE STREET GROUP, LLC 0.02% of their portfolio NEW YORK, NY 488,409488.4k $24.1m $24.1m 0.02% Added +162.1k +162,109
7 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 423,692423.7k $21.2m $21.2m 0.00% Added +81.3k +81,261
8 Qube Research & Technologies Ltd 0.02% of their portfolio LONDON, X0 399,124399.1k $20.0m $20.0m 0.02% Added +226.3k +226,338
9 VR Advisory Services Ltd 1.53% of their portfolio CAMANA BAY, GRAND CAYMAN, E9 343,729343.7k $17.2m $17.2m 1.53% Unchanged
10 ACADIAN ASSET MANAGEMENT LLC 0.02% of their portfolio Boston, MA 290,839290.8k $14.4m $14.4m 0.02% Reduced -76.4k -76,414
11 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 284,695284.7k $14.1m $14.1m 0.00% Reduced -25.9k -25,875
12 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio BOSTON, MA 260,310260.3k $13.0m $13.0m 0.01% Added +101.7k +101,689
13 Encompass Capital Advisors LLC 0.48% of their portfolio New York, NY 222,197222.2k $11.1m $11.1m 0.48% Reduced -155.2k -155,235
14 Portolan Capital Management, LLC 0.37% of their portfolio BOSTON, MA 195,997196.0k $9.8m $9.8m 0.37% Reduced -342.9k -342,863
15 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 193,694193.7k $9.7m $9.7m 0.00% Added +134.8k +134,836
16 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 159,952160.0k $8.0m $8.0m 0.01% Added +68.7k +68,712
17 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.03% of their portfolio JUPITER, FL 159,581159.6k $8.0m $8.0m 0.03% Reduced -18.6k -18,552
18 Thomist Capital Management, LP 2.47% of their portfolio Houston, TX 133,922133.9k $6.7m $6.7m 2.47% Added +78.8k +78,822
19 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 119,363119.4k $6.0m $6.0m 0.00% Added +20.4k +20,401
20 FEARNLEY ASSET MANAGEMENT AS 1.99% of their portfolio OSLO, Q8 111,836111.8k $5.5m $5.5m 1.99% Reduced -124.6k -124,558
21 Walleye Capital LLC 0.03% of their portfolio NEW YORK, NY 111,104111.1k $5.6m $5.6m 0.03% Reduced -66.3k -66,313
22 Marnell Management LLC 2.45% of their portfolio FARMINGTON HILLS, MI 96,29496.3k $4.8m $4.8m 2.45% Added +43.0k +43,041
23 CastleKnight Management LP 0.16% of their portfolio New York, NY 88,30088.3k $4.4m $4.4m 0.16% New
24 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 88,25888.3k $4.4m $4.4m 0.00% Added +5.2k +5,203
25 Point72 Asset Management, L.P. 0.01% of their portfolio STAMFORD, CT 87,55987.6k $4.4m $4.4m 0.01% Reduced -43.6k -43,586
26 XTX Topco Ltd 0.05% of their portfolio LONDON, X0 81,76581.8k $4.1m $4.1m 0.05% Added +43.3k +43,318
27 Militia Capital Management LLC 0.72% of their portfolio AUSTIN, TX 80,00080.0k $4.0m $4.0m 0.72% Reduced -130.0k -130,000
28 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 72,02672.0k $3.6m $3.6m 0.00% Reduced -206.3k -206,279
29 GRAHAM CAPITAL WEALTH MANAGEMENT, LLC 2.67% of their portfolio WASHINGTON, DC 68,94868.9k $3.5m $3.5m 2.67% Added +16.4k +16,353
30 Ruffer LLP 0.10% of their portfolio LONDON, X0 59,13759.1k $3.0m $3.0m 0.10% New
31 CREDIT AGRICOLE S A 0.01% of their portfolio Montrouge Cedex, I0 57,00057.0k $2.9m $2.9m 0.01% Added +27.0k +27,000
32 Quadrature Capital Ltd 0.02% of their portfolio LONDON, X0 51,01151.0k $2.6m $2.6m 0.02% Reduced -18.2k -18,235
33 Energy Income Partners, LLC 0.04% of their portfolio Westport, CT 44,65944.7k $2.2m $2.2m 0.04% Reduced -24.5k -24,459
34 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 44,15144.2k $2.2m $2.2m 0.00% Added +39.0k +38,987
35 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 44,01144.0k $2.2m $2.2m 0.00% Reduced -19.2k -19,179
36 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 41,64341.6k $2.1m $2.1m 0.00% Added +33.5k +33,524
37 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 40,46140.5k $2.0m $2.0m 0.00% New
38 UBS Group AG 0.00% of their portfolio ZURICH, V8 39,67639.7k $2.0m $2.0m 0.00% Reduced -51.3k -51,256
39 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 33,87633.9k $1.7m $1.7m 0.00% Added +6.6k +6,599
40 BlackRock, Inc. 0.00% of their portfolio New York, NY 32,90232.9k $1.6m $1.6m 0.00% Reduced -233.7k -233,650
41 BTG Pactual Asset Management US LLC 0.12% of their portfolio NEW YORK, NY 32,28032.3k $1.6m $1.6m 0.12% New
42 FOLKETRYGDFONDET 0.03% of their portfolio OSLO, Q8 32,27432.3k $1.6m $1.6m 0.03% New
43 CVFG LLC 0.17% of their portfolio SHELBYVILLE, IN 31,66531.7k $1.6m $1.6m 0.17% Unchanged
44 Precision Wealth Strategies, LLC 0.47% of their portfolio SAINT LOUIS, MO 31,31331.3k $1.6m $1.6m 0.47% New
45 Engineers Gate Manager LP 0.02% of their portfolio NEW YORK, NY 30,76230.8k $1.5m $1.5m 0.02% Reduced -40.7k -40,703
46 Skandinaviska Enskilda Banken AB (publ) 0.06% of their portfolio STOCKHOLM, V7 29,66929.7k $1.5m $1.5m 0.06% New
47 Glenorchy Capital Ltd 0.81% of their portfolio BOOROLITE, C3 26,19826.2k $1.3m $1.3m 0.81% Reduced -1.5k -1,508
48 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 25,80025.8k $1.3m $1.3m 0.00% Added +18.6k +18,603
49 Jain Global LLC 0.01% of their portfolio NEW YORK, NY 25,00225.0k $1.3m $1.3m 0.01% Added +14.1k +14,100
50 NAVELLIER & ASSOCIATES INC 0.10% of their portfolio Reno, NV 24,81524.8k $1.2m $1.2m 0.10% Added +5.0k +4,976
51 Inspire Advisors, LLC 0.08% of their portfolio Meridian, ID 23,38823.4k $1.2m $1.2m 0.08% New
52 Uniplan Investment Counsel, Inc. 0.11% of their portfolio MILWAUKEE, WI 22,34522.3k $1.1m $1.1m 0.11% Reduced -485 -485
53 Persistent Asset Partners Ltd 0.35% of their portfolio HONG KONG, K3 22,18722.2k $1.1m $1.1m 0.35% New
54 Centiva Capital, LP 0.04% of their portfolio New York, NY 21,56321.6k $1.1m $1.1m 0.04% New
55 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 20,15220.2k $1.0m $1.0m 0.00% New
56 Triumph Capital Management 0.18% of their portfolio DENVER, CO 20,11220.1k $1.0m $1.0m 0.18% Added +312 +312
57 Kovack Advisors, Inc. 0.04% of their portfolio FT. LAUDERDALE, FL 18,64618.6k $934.5k $934.5k 0.04% Unchanged
58 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 18,34218.3k $919.3k $919.3k 0.00% New
59 DAVENPORT & Co LLC 0.00% of their portfolio RICHMOND, VA 18,14818.1k $909.6k $909.6k 0.00% Added +6.0k +5,958
60 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 17,96318.0k $900.3k $900.3k 0.00% Added +13.0k +12,991
61 Manatuck Hill Partners, LLC 0.29% of their portfolio WESTPORT, CT 17,70017.7k $887.1k $887.1k 0.29% Reduced -2.3k -2,300
62 Penserra Capital Management LLC 0.01% of their portfolio ORINDA, CA 16,41516.4k $822.0k $822.0k 0.01% Reduced -42.2k -42,212
63 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 16,24116.2k $813.0k $813.0k 0.00% Reduced -38.5k -38,463
64 SPROTT INC. 0.03% of their portfolio TORONTO, A6 15,80015.8k $791.9k $791.9k 0.03% Unchanged
65 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 13,64313.6k $684.0k $684.0k 0.00% Added +7.1k +7,114
66 Veracity Capital LLC 0.18% of their portfolio Atlanta, GA 12,95113.0k $649.1k $649.1k 0.18% New
67 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 12,27512.3k $615.2k $615.2k 0.00% New
68 Numerai GP LLC 0.04% of their portfolio SAN FRANCISCO, CA 10,29110.3k $515.8k $515.8k 0.04% Reduced -4.6k -4,612
69 Regatta Research & Money Management 0.48% of their portfolio METAIRIE, LA 10,16310.2k $509.2k $509.2k 0.48% First filing
70 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 9,7159.7k $486.9k $486.9k 0.00% New
71 FOX RUN MANAGEMENT, L.L.C. 0.08% of their portfolio GREENWICH, CT 9,6999.7k $486.1k $486.1k 0.08% New
72 Y-Intercept (Hong Kong) Ltd 0.01% of their portfolio HONG KONG, K3 9,5039.5k $476.3k $476.3k 0.01% New
73 State of Wyoming 0.05% of their portfolio CHEYENNE, WY 9,3409.3k $468.1k $468.1k 0.05% Added +1.2k +1,217
74 Aquatic Capital Management LLC 0.02% of their portfolio CHICAGO, IL 8,7838.8k $440.2k $440.2k 0.02% Reduced -44.8k -44,824
75 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 8,3188.3k $416.9k $416.9k 0.00% Reduced -34.1k -34,085
76 Janney Montgomery Scott LLC 0.00% of their portfolio PHILADELPHIA, PA 8,0418.0k $403.0k $403.0k 0.00% New
77 OneAscent Investment Solutions LLC 0.38% of their portfolio BIRMINGHAM, AL 8,0018.0k $401.0k $401.0k 0.38% New
78 Massar Capital Management, LP 0.11% of their portfolio STAMFORD, CT 6,3876.4k $320.1k $320.1k 0.11% Reduced -19.9k -19,933
79 Magnetar Financial LLC 0.00% of their portfolio EVANSTON, IL 5,8475.8k $293.1k $293.1k 0.00% Added +758 +758
80 MONTCHANIN ASSET MANAGEMENT, LLC 0.27% of their portfolio MONTCHANIN, DE 5,3755.4k $269.0k $269.0k 0.27% New
81 Marex Group Ltd 0.00% of their portfolio London, X0 5,1025.1k $255.7k $255.7k 0.00% New
82 SIH Partners, LLLP 0.01% of their portfolio Wilmington, DE 5,0135.0k $251.3k $251.3k 0.01% New
83 COMMERCE BANK 0.00% of their portfolio KANSAS CITY, MO 5,0005.0k $250.6k $250.6k 0.00% Added +1.0k +1,000
84 MML INVESTORS SERVICES, LLC 0.00% of their portfolio SPRINGFIELD, MA 4,8384.8k $242.5k $242.5k 0.00% Added +513 +513
85 Mariner, LLC 0.00% of their portfolio Overland Park, KS 4,7084.7k $236.0k $236.0k 0.00% New
86 ExodusPoint Capital Management, LP 0.00% of their portfolio NEW YORK, NY 4,4194.4k $221.5k $221.5k 0.00% Reduced -57.6k -57,565
87 Jefferies Financial Group Inc. 0.00% of their portfolio NEW YORK, NY 4,4184.4k $218.2k $218.2k 0.00% New
88 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 4,1794.2k $209.4k $209.4k 0.00% New
89 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 3,4513.5k $173.0k $173.0k 0.00% Reduced -3.2k -3,181
90 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 2,9803.0k $149.4k $149.4k 0.00% New
91 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 2,7752.8k $137.1k $137.1k 0.00% Reduced -12.3k -12,297
92 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 2,6952.7k $135.0k $135.0k 0.00% Added +306 +306
93 Caitong International Asset Management Co., Ltd 0.02% of their portfolio HONG KONG, K3 2,4422.4k $122.4k $122.4k 0.02% Reduced -2.7k -2,686
94 MCGUIRE CAPITAL ADVISORS INC 0.06% of their portfolio BETHANY, OK 2,2852.3k $114.5k $114.5k 0.06% New
95 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 2,2602.3k $113.3k $113.3k 0.00% Added +925 +925
96 Quantbot Technologies LP 0.00% of their portfolio NEW YORK, NY 2,0012.0k $100.3k $100.3k 0.00% Reduced -2.3k -2,251
97 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 1,3211.3k $65.9k $65.9k 0.00% New
98 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 1,2641.3k $63.4k $63.4k 0.00% New
99 MACQUARIE GROUP LTD 0.00% of their portfolio Sydney, NSW 2000, C3 1,2001.2k $60.1k $60.1k 0.00% New
100 FIFTH THIRD BANCORP 0.00% of their portfolio CINCINNATI, OH 567567 $28.4k $28.4k 0.00% Unchanged