Okeanis Eco Tankers
93 hedge funds and large institutions have $476M invested in Okeanis Eco Tankers in 2026 Q1 according to their latest regulatory filings, with 40 funds opening new positions, 34 increasing their positions, 14 reducing their positions, and 11 closing their positions.
264% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 11
143% more repeat investments, than reductions
Existing positions increased: 34 | Existing positions reduced: 14
102% more capital invested
Capital invested by funds: $235M → $476M (+$240M)
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
45% more funds holding
Funds holding: 64 → 93 (+29)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PCM
Portolan Capital Management
Boston,
Massachusetts
|
+$16.6M |
| 2 |
Acadian Asset Management
Boston,
Massachusetts
|
+$16.1M |
| 3 |
Jane Street
New York
|
+$10.9M |
| 4 |
Voloridge Investment Management
Jupiter,
Florida
|
+$7.83M |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$7.46M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ECA
Encompass Capital Advisors
New York
|
-$19M |
| 2 |
FAM
Fearnley Asset Management
Oslo,
|
-$14M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$8.62M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$5.9M |
| 5 |
CMF
Counterpoint Mutual Funds
San Diego,
California
|
-$3.39M |
ECO Hedge Fund Activity: Q1 2026 in Review
93 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Okeanis Eco Tankers (ECO) for Q1 2026, worth a combined $476M — up 102% from $235M a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new ECO positions and 11 closed out — a net gain of 29 holders — while 34 added to existing stakes and 14 trimmed.
The largest buyer was Portolan Capital Management, adding an estimated $16.6M. The largest seller was Encompass Capital Advisors, cutting an estimated $19M.
- 93 institutional investors held Okeanis Eco Tankers (ECO) as of Q1 2026, up from 64 in Q4 2025.
- Funds reported $476M of Okeanis Eco Tankers stock for Q1 2026, up 102% quarter-over-quarter.
- 40 funds opened new Okeanis Eco Tankers positions in Q1 2026 and 11 closed out, a net change of +29 holders.
- The largest Okeanis Eco Tankers buyer in Q1 2026 was Portolan Capital Management, an estimated $16.6M added.
- The largest Okeanis Eco Tankers seller in Q1 2026 was Encompass Capital Advisors, an estimated $19M sold.
Based on aggregated 13F filings for Q1 2026.