Leopold Aschenbrenner's hedge fund Situational Awareness held $5.7 billion in SanDisk and $5.6 billion in Micron at the end of June, accounting for 56% of its $20 billion US stock portfolio, before th…
Jane Street posted roughly $15 billion of losses in July, its first monthly slump in about a decade, as AI-focused hedge fund Situational Awareness swooned and dragged down asset prices across equity …
Jane Street took a $15 billion hit in July from its exposure to AI-focused hedge fund Situational Awareness and other tech stocks battered by the market selloff, according to two people familiar with …
Leopold Aschenbrenner's hedge fund, Situational Awareness LP, lost $20 billion this week, according to a Wall Street Journal report, after Citadel bought its stock portfolio following big losses in AI…
Bullet, founded by Adi and Alex from AppLovin and Citadel, launched as a coding agent optimized for speed in agentic workflows, as part of Y Combinator's S26 batch.…
Leopold Aschenbrenner, the 24-year-old founder of hedge fund Situational Awareness, saw his $45 billion AI-focused fund unravel after excessive borrowing left him vulnerable when his bets faltered, fo…
Leopold Aschenbrenner's hedge fund, Situational Awareness, which bet heavily on AI, lost more than two-thirds of its public equity holdings' value in four weeks and was forced to liquidate, with Citad…
Situational Awareness, the AI-focused hedge fund run by Leopold Aschenbrenner, invested an additional $400 million in Source Foundry, a California chip manufacturing startup founded in 2025 by Stanfor…
AI-focused hedge fund Situational Awareness invested $400 million in Source Foundry, a stealth chip startup founded by Stanford researchers, bringing its total investment to $500 million. The fund, fo…
Situational Awareness, the hedge fund founded by former OpenAI researcher Leopold Aschenbrenner, made a US$400 million investment in chip manufacturing startup Source Foundry, backed by Sequoia Capita…
Bloomberg reports that AI-powered voice phishing attacks targeted major hedge funds including Citadel, Two Sigma, and Point72, with Two Sigma confirming it thwarted the intrusion before systems were c…
Cybercriminals used AI-cloned voices to impersonate executives at Two Sigma Investments, Citadel, and Point72 Asset Management in a wave of vishing attacks, with Two Sigma confirming it thwarted the a…
Hackers launched a wave of sophisticated vishing attacks targeting major Wall Street firms, including Two Sigma Investments, Citadel, and Point72 Asset Management, according to people familiar with th…
Leopold Aschenbrenner's $45 billion hedge fund, Situational Awareness, collapsed in late July after a sharp downswing in AI stocks triggered margin calls, forcing a fire sale of most of its publicly t…
Citadel's Wellington multistrategy fund gained 5.9% in July after acquiring approximately $16 billion in AI stocks from Situational Awareness, the collapsed hedge fund run by former OpenAI researcher …
Citadel, the hedge fund founded by Ken Griffin, acquired the majority of Situational Awareness's leveraged public-stock portfolio, valued at up to $16 billion, in a deal that closed around July 30, 20…
Leopold Aschenbrenner's hedge fund Situational Awareness lost 67% in July 2026, falling from $45 billion to $10 billion in assets under management, after concentrated bets on AI hardware and semicondu…
AI and semiconductor stock sell-offs in July 2026 hit stockpicking hedge funds, with Whale Rock Capital's flagship fund down 21.7% in the month, cutting its 2026 gains to 35.1% from 72.5% through June…
Citadel CEO Ken Griffin acquired Situational Awareness, the AI hedge fund founded by former OpenAI employee Leopold Aschenbrenner, after the fund suffered significant losses. The Wall Street Journal's…
Leopold Aschenbrenner, former OpenAI researcher and founder of AI-focused hedge fund Situational Awareness, suffered a 67% one-month loss and was forced to sell his stock portfolio to Citadel, but mar…