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089 · Aquaculture & ocean food systems
Protein from water
Curve position
Binding constraint
Disease and feed costs, which determine whether a harvest is profitable.
Heatmap / How this sector's stocks are moving
| Stock | Price | 1 Day | 1 Week | 1 Month | Year to date |
|---|---|---|---|---|---|
| $MHGVY | $23.54 | +0.21% | +1.73% | +12.52% | −2.20% |
| $SALRY | $15.55 | −2.99% | +0.45% | +7.39% | +1.93% |
| $ADM | $70.84 | +0.34% | −8.27% | −13.83% | +23.22% |
| $BG | $97.01 | +2.42% | −3.76% | −9.62% | +8.90% |
| Sector average | −0.01% | −2.46% | −0.89% | +7.96% |
Prices as of November 5, 2026. The sector's move is the equal-weighted average of these listed companies, a market proxy for context, not recommendations. See it on the full heatmap →
Sentiment / The mood in this sector's stocks
Since 2018, Aquaculture & ocean food systems has been in Skepticism and falling 30 separate times. After those, its stocks beat their usual three months 15 times (50%), by a median of +0.6 points.
Confidence: low, a split like this is common by chance, so no edge is called.
Wild fish catch stopped growing decades ago while demand for marine protein kept rising. Everything since has come from aquaculture, and the industry is now large enough that its efficiency problems are worth solving with technology.
Historically fish farming was a low technology business with high biological risk, run on observation and experience. Disease outbreaks and feed conversion losses were treated as weather rather than as controllable variables.
The structural driver is protein demand meeting land constraints. Aquaculture converts feed to protein more efficiently than land animals and uses no arable land, which makes it structurally advantaged as populations grow.
The technology layer spans underwater cameras and computer vision for biomass and health monitoring, automated feeding systems that reduce waste, recirculating land based systems, genetics and breeding programs, and disease detection and treatment.
Adoption economics center on feed, which dominates operating cost. A small improvement in feed conversion, or an early disease detection that prevents a mass mortality event, pays for a great deal of monitoring.
The beneficiaries include aquaculture technology providers, feed producers developing alternative ingredients, equipment manufacturers for cages and recirculating systems, genetics companies, and the larger farming operators consolidating the industry.
The value chain runs from feed and genetics through farming operations to processing and distribution. Feed is the largest input and where the most technology is being applied.
The overlooked layer includes aquaculture equipment and sensing suppliers, alternative feed ingredient producers, veterinary and vaccine companies serving fish health, and the processing equipment makers.
Competitive dynamics are regional and license driven, since farming sites require permits that are increasingly hard to obtain, which advantages incumbents holding them.
Risks: biological risk is severe and a single disease event can wipe out a harvest, feed costs are commodity linked, environmental regulation is tightening, and consumer sentiment toward farmed fish is mixed.
What to watch: feed conversion ratios disclosed by operators, disease incidence reports, land based facility commissioning, permit approvals for new sites, and alternative feed ingredient adoption.