Asset Manager

Updated:

Quantiply

Costas Kellas runs Quantiply, a Miami systematic manager that crawls the web for alpha, applying machine learning to alternative data for equity trading.

Quantiply

Quantiply was founded in 2015 by Costas Kellas, who brought a background in computational statistics to the systematic equity space. The firm operates from Miami, placing it outside the traditional quant hubs of Greenwich and Chicago, and structures its research around the ingestion and monetization of alternative data. The firm runs a fundamentally driven quant equity book, blending statistical arbitrage with medium-frequency directional strategies. The investment process relies on natural language processing, computer vision, and time-series forecasting applied to non-traditional sources — web traffic, supply-chain sensors, and consumer transaction panels. The fund targets liquid, global developed-market equities, with no stated concentration in any single sector. The strategy is capacity-constrained by design, typical of managers who depend on proprietary data pipelines where crowding destroys the alpha signal. Team size and assets are not publicly reported, consistent with a below-the-radar operator that raises selectively from family offices and fund-of-funds rather than institutional consultants. The firm's Miami location gives it access to the growing pool of allocators relocating to South Florida. Quantiply has not disclosed adjacent vehicles or philanthropic entities. Quantiply's structural differentiator is its data-acquisition process. Rather than licensing commoditized alternative datasets from vendors, the firm builds its own web-crawling infrastructure, treating the raw internet as a sensor network. This creates a moat around data that is hard to replicate and harder to arb away — but it also makes the strategy technologically fragile and demanding to scale.

General information

Firm type

Asset Manager

Year founded

2015

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Miami

Corporate office

Miami, FL, United States

Principals

Costas Kellas

Chief Investment Officer

Sector focus

Hedge FundsAI/ML

Frequently asked questions

Who runs investment decisions at Quantiply?

Costas Kellas, the firm's founder, serves as Chief Investment Officer and runs the investment process. He holds a PhD in a quantitative discipline and oversees both the research pipeline and portfolio construction. All strategy and risk decisions flow through him.

What kind of alternative data does Quantiply use?

The firm crawls and processes its own datasets rather than buying off-the-shelf feeds. Sources include satellite imagery, online job postings, shipping and logistics data, and consumer transaction panels. Machine learning models — including NLP and computer vision — extract tradable signals from this raw unstructured data.

How does Quantiply source its data, and how is that different from other quant funds?

Quantiply builds proprietary web-crawling infrastructure instead of licensing datasets from vendors like Thinknum or YipitData. This means the firm controls the entire data supply chain from collection to cleaning to signal generation. The trade-off is higher fixed engineering costs in exchange for data that competitors cannot easily replicate.

Is Quantiply a hedge fund or a family office?

Quantiply is an asset manager — specifically a systematic hedge fund. It manages external capital, not a single-family pool. The firm operates as a pooled investment vehicle targeting liquid equity markets, not as a family office or venture capital platform.

What markets does Quantiply trade?

The firm trades global developed-market equities, focusing on liquid names to avoid capacity constraints. There is no published sector concentration, and the strategy is market-neutral in posture, blending statistical arbitrage with medium-frequency directional signals.

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