** Software development firm Gitlab's GTLB.O shares fall 2.7% to $25.60 premarket
** TD Cowen cuts rating on stock to "hold" from "buy", citing increasing competitive risks from OpenAI and Anthropic
** Cuts PT to $29 from $56, still representing a 10.3% upside to stock's last close
** Anthropic's Claude code showing aspirations for being a broader software development platform, OpenAI's Codex to follow suit - TD Cowen
** Anthropic and OpenAI encroaching on GTLB's market, moving at breakneck speeds - TD Cowen
** Brokerage sees several headwinds for company in FY27
** As of last close, shares down nearly 30% YTD, after falling 33.4% in 2025
(Reporting by Utkarsh Tushar Hathi)
((utkarshtushar.hathi@thomsonreuters.com))