Pools operator Heidmar not only gained a joint venture partner with its recent alliance with Evangelos Marinakis' Capital Ship Management, but it also more than doubled the size of its managed fleet.

But while that created some much-needed scale, does it also spawn some downside in being so heavily weighted toward one dominant owner?

And is that dynamic heightened in that the owner has a reputation for being as exacting a partner as is Marinakis?

Sources in the pooling sector raised exactly those questions in recent remarks...