About

Biography & Background

About Gregory Blotnick

Gregory Blotnick is a Florida-based investor. His story begins in 1986, where he was born at NYU Hospital in Manhattan. He was raised in Cambridge, Massachusetts and graduated from Buckingham Browne & Nichols School in 2005. Gregory went on to earn a B.S. in Finance from Lehigh University in 2009, became a CFA Charterholder in 2012 and completed his MBA at Columbia Business School in 2014, where his academic interests began heavily gravitating toward portfolio management.

Investing Career

Blotnick’s career as a research analyst spans back to 2009, when he began covering the Consumer & Retail sector at a long/short equity fund. In 2019, he founded Brattle Street Capital LLC, an investment firm focused on long and short opportunities within small and mid-cap Consumer equities. This had been his sector focus for the prior decade at funds of varying investment styles. Blotnick’s prior experience was spent at both firms with shorter-term market-neutral strategies, including Citadel and Schonfeld, as well as funds with a cross-capital structure “credit-approach-to-equity” mandate. He remains actively involved in the Consumer & Retail industry both as an investor and as an operator.

Writing & Publications

Blotnick is a long-time writer and contributor to financial media. His writing career started in 2012 under the pseudonym Brattle Street Capital, named after the street where he grew up in Cambridge. His Twitter handle, @brattlestcap, gained recognition as a “must-follow” and was named a top influential account by Business Insider and Forbes. Over the past decade, his written work has been featured in publications including Forbes, Fortune, Kiplinger, NewsMax, MarketWatch, CFA Institute, and many others. His work regularly explores applied behavioral finance, highlighting the psychological and emotional biases that can damage an investor both in trading markets and in business leadership.

Memoir & Ongoing Work

Blotnick’s debut memoir, Blind Spots: A Riches to Rags Story, is a personal account of failure, introspection, and the psychological traps that even an experienced professional can fall into. The book has been praised for its honesty and insight by editorial outlets including Kirkus Reviews, The US Review of Books, and Manhattan Book Review. Today, Blotnick continues to write and speak on topics at the intersection of investing, psychology, and ethics, emphasizing that unchecked ambition, ego, arrogance, and overconfidence can undermine even the most educated and highest-achieving individuals. His newest book, Essays: De Rerum Natura, was published on August 20th.

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