Vault-13

OKEANIS ECO TANKERS COR ECO

SHS · Common Stock · CUSIP Y64177101

64 institutional holders +24 vs Q3 2025
7,102,7397.1m shares reported held*
20.0% of all shares outstanding*
$235.3mreported value*
30 new 19 added 11 reduced 8 sold out net bought ≈ $102.0m (+3.0m 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. Shares outstanding: 35.4m as of 2025-12-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $33.13.

Trends to Q4 2025

Institutional holders

Managers reporting a position, each quarter

0255075Q4 23: 17Q1 24: 24Q2 24: 31Q3 24: 41Q4 24: 36Q1 25: 34Q2 25: 29Q3 25: 40Q4 25: 6464Q4 23Q2 24Q4 24Q2 25Q4 25
Numbers
QuarterHolders
Q4 202317
Q1 202424
Q2 202431
Q3 202441
Q4 202436
Q1 202534
Q2 202529
Q3 202540
Q4 202564

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q1 24: 14 bought or addedQ1 24: 12 cut or sold outQ2 24: 24 bought or addedQ2 24: 7 cut or sold outQ2 24Q3 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 25
Numbers
QuarterBought or addedCut or sold out
Q1 20241412
Q2 2024247
Q3 20242418
Q4 20241826
Q1 20251719
Q2 20251420
Q3 20252813
Q4 20254919

Biggest buyers

Encompass Capital Advisors LLC New +810,154+810.2k
MARSHALL WACE, LLP New +322,423+322.4k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +279,338+279.3k
BlackRock, Inc. Added +204,402+204.4k
CITADEL ADVISORS LLC Added +192,919+192.9k
Portolan Capital Management, LLC New +161,815+161.8k
JPMORGAN CHASE & CO New +154,325+154.3k
BANK OF AMERICA CORP /DE/ Added +137,121+137.1k
Point72 Asset Management, L.P. Added +112,489+112.5k
MILLENNIUM MANAGEMENT LLC Added +107,505+107.5k

Biggest sellers

SG Americas Securities, LLC Sold out -443,695-443.7k
Militia Capital Partners, LP Sold out -105,000-105.0k
VR Advisory Services Ltd Reduced -92,806-92.8k
MACQUARIE GROUP LTD Sold out -55,699-55.7k
CITIGROUP INC Reduced -53,379-53.4k
Lighthouse Investment Partners, LLC Reduced -22,890-22.9k
Corigliano Investment Advisers, LLC Sold out -10,100-10.1k
S.E.E.D. Planning Group LLC Sold out -8,000-8.0k
Triumph Capital Management Reduced -1,757-1.8k
DIMENSIONAL FUND ADVISORS LP Reduced -1,595-1.6k

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 in Q4 2025

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.

None reported in Q4 2025.

Holders, Q4 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 QVT Financial LP 4.12% of their portfolio New York, NY 1,423,9971.4m $43.4m $43.4m 4.12% Unchanged
2 Encompass Capital Advisors LLC 1.31% of their portfolio New York, NY 810,154810.2k $27.4m $27.4m 1.31% New
3 FIL Ltd 0.01% of their portfolio HAMILTON, D0 574,182574.2k $19.3m $19.3m 0.01% Added +84.1k +84,130
4 FEARNLEY ASSET MANAGEMENT AS 8.58% of their portfolio OSLO, Q8 555,247555.2k $18.7m $18.7m 8.58% First filing
5 MARSHALL WACE, LLP 0.01% of their portfolio LONDON, X0 322,423322.4k $10.9m $10.9m 0.01% New
6 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio BOSTON, MA 292,782292.8k $9.9m $9.9m 0.01% Added +279.3k +279,338
7 VR Advisory Services Ltd 1.38% of their portfolio CAMANA BAY, GRAND CAYMAN, E9 257,282257.3k $8.7m $8.7m 1.38% Reduced -92.8k -92,806
8 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 225,358225.4k $7.6m $7.6m 0.00% Added +42.4k +42,414
9 BlackRock, Inc. 0.00% of their portfolio New York, NY 205,327205.3k $6.9m $6.9m 0.00% Added +204.4k +204,402
10 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 201,195201.2k $6.8m $6.8m 0.00% Added +192.9k +192,919
11 Portolan Capital Management, LLC 0.29% of their portfolio BOSTON, MA 161,815161.8k $5.5m $5.5m 0.29% New
12 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 158,340158.3k $5.4m $5.4m 0.01% Added +99.7k +99,662
13 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 154,325154.3k $5.2m $5.2m 0.00% New
14 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 141,523141.5k $4.8m $4.8m 0.00% Added +137.1k +137,121
15 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 124,109124.1k $4.2m $4.2m 0.00% Added +107.5k +107,505
16 Point72 Asset Management, L.P. 0.01% of their portfolio STAMFORD, CT 118,589118.6k $4.0m $4.0m 0.01% Added +112.5k +112,489
17 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 111,143111.1k $3.8m $3.8m 0.00% Added +102.6k +102,643
18 Walleye Capital LLC 0.02% of their portfolio NEW YORK, NY 103,186103.2k $3.5m $3.5m 0.02% New
19 Counterpoint Mutual Funds LLC 0.25% of their portfolio San Diego, CA 100,179100.2k $3.4m $3.4m 0.25% New
20 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 79,40479.4k $2.7m $2.7m 0.00% New
21 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 78,52878.5k $2.7m $2.7m 0.00% Added +39.3k +39,290
22 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 74,16274.2k $2.5m $2.5m 0.00% New
23 GeoSphere Capital Management, LLC 1.69% of their portfolio MIAMI BEACH, FL 72,50072.5k $2.5m $2.5m 1.69% New
24 Energy Income Partners, LLC 0.04% of their portfolio Westport, CT 66,86866.9k $2.3m $2.3m 0.04% Added +881 +881
25 UBS Group AG 0.00% of their portfolio ZURICH, V8 63,06563.1k $2.1m $2.1m 0.00% Added +59.4k +59,391
26 Quadrature Capital Ltd 0.02% of their portfolio LONDON, X0 58,64358.6k $2.0m $2.0m 0.02% New
27 Engineers Gate Manager LP 0.02% of their portfolio NEW YORK, NY 51,88551.9k $1.8m $1.8m 0.02% New
28 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 48,50448.5k $1.6m $1.6m 0.00% Added +33.9k +33,861
29 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 42,71042.7k $1.4m $1.4m 0.00% Added +34.8k +34,810
30 Quantbot Technologies LP 0.04% of their portfolio NEW YORK, NY 33,01433.0k $1.1m $1.1m 0.04% Added +21.3k +21,274
31 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 30,39530.4k $1.0m $1.0m 0.00% New
32 CREDIT AGRICOLE S A 0.00% of their portfolio Montrouge Cedex, I0 30,00030.0k $1.0m $1.0m 0.00% New
33 Lighthouse Investment Partners, LLC 0.03% of their portfolio Palm Beach Gardens, FL 29,07529.1k $983.9k $983.9k 0.03% Reduced -22.9k -22,890
34 BOOTHBAY FUND MANAGEMENT, LLC 0.02% of their portfolio NEW YORK, NY 25,74225.7k $871.1k $871.1k 0.02% New
35 Glenorchy Capital Ltd 0.54% of their portfolio BOOROLITE, C3 24,85924.9k $836.9k $836.9k 0.54% Reduced -807 -807
36 Numerai GP LLC 0.09% of their portfolio SAN FRANCISCO, CA 21,07721.1k $713.2k $713.2k 0.09% New
37 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 19,79519.8k $669.9k $669.9k 0.00% Reduced -53.4k -53,379
38 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 19,62319.6k $664.0k $664.0k 0.00% New
39 Kovack Advisors, Inc. 0.03% of their portfolio FT. LAUDERDALE, FL 18,79618.8k $636.1k $636.1k 0.03% New
40 NAVELLIER & ASSOCIATES INC 0.07% of their portfolio Reno, NV 18,65718.7k $631.4k $631.4k 0.07% New
41 ExodusPoint Capital Management, LP 0.01% of their portfolio NEW YORK, NY 14,46114.5k $489.4k $489.4k 0.01% New
42 Magnetar Financial LLC 0.00% of their portfolio EVANSTON, IL 14,21014.2k $480.9k $480.9k 0.00% New
43 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 12,69712.7k $429.7k $429.7k 0.00% New
44 Aquatic Capital Management LLC 0.01% of their portfolio CHICAGO, IL 12,64912.6k $428.0k $428.0k 0.01% New
45 Jain Global LLC 0.00% of their portfolio NEW YORK, NY 12,10212.1k $409.5k $409.5k 0.00% New
46 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 10,70010.7k $362.1k $362.1k 0.00% New
47 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 10,12510.1k $342.6k $342.6k 0.00% New
48 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 8,7848.8k $297.3k $297.3k 0.00% Added +1.6k +1,591
49 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 8,4048.4k $284.4k $284.4k 0.00% Reduced -1.6k -1,595
50 Marnell Management LLC 0.21% of their portfolio FARMINGTON HILLS, MI 8,0578.1k $272.6k $272.6k 0.21% First filing
51 Centiva Capital, LP 0.02% of their portfolio New York, NY 7,9928.0k $270.4k $270.4k 0.02% Reduced -856 -856
52 State of Wyoming 0.03% of their portfolio CHEYENNE, WY 7,9217.9k $268.0k $268.0k 0.03% Added +96 +96
53 Triumph Capital Management 0.06% of their portfolio DENVER, CO 7,9007.9k $267.3k $267.3k 0.06% Reduced -1.8k -1,757
54 PharVision Advisers, LLC 0.13% of their portfolio BOCA RATON, FL 7,6967.7k $260.4k $260.4k 0.13% New
55 Gotham Asset Management, LLC 0.00% of their portfolio NEW YORK, NY 7,1687.2k $242.6k $242.6k 0.00% New
56 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 1,2001.2k $40.6k $40.6k 0.00% New
57 Caitong International Asset Management Co., Ltd 0.01% of their portfolio HONG KONG, K3 1,0521.1k $35.6k $35.6k 0.01% Added +532 +532
58 Quarry LP 0.00% of their portfolio NEW YORK, NY 520520 $17.6k $17.6k 0.00% Reduced -457 -457
59 UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 0.00% of their portfolio AUSTIN, TX 402402 $13.6k $13.6k 0.00% New
60 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 144144 $4.9k $4.9k 0.00% Reduced -16 -16
61 Cornerstone Financial Management LLC 0.00% of their portfolio BURLINGTON, MA 8282 $2.8k $2.8k 0.00% First filing
62 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 88 $0 $0 0.00% Reduced -3 -3
63 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 66 $203 $203 0.00% New
64 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 11 $34 $34 0.00% Reduced -1 -1