AQR; DE Shaw & Co; Citadel; Two Sigma; DRW; Point 72; Samantha Lee/Insider This story is available exclusively to Insider subscribers. Become an Insider and start reading now. The market for quant and data-science specialists on Wall Street has perhaps never been hotter. They're the lifeblood of hedge funds, trading firms, market makers, and bank trading teams. Insider gathered a list of the foremost headhunters in the war for quant finance talent. 2020 was a tough year for quant hedge funds. The performance of giants like Bridgewater, Renaissance Technologies, and Two Sigma sagged amid the coronavirus-fueled market mayhem, while fundamental shops made a killing.