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Anirban Sen

Reporter · MY

Indexed articles, last 90 days
6
Latest publication
Aug 21, 2026
Outlet visibility, for Thestar
Top 5K sites
Earliest in this view
Jul 17, 2026
The latest indexed work is over 30 days old. There may be a gap in what we hold.

Latest articles

  1. Article · Aug 21, 2026 · By Anirban Sen and Arasu Kannagi Basil

    Citadel sheds over 80% of aggregate risk from Situational Awareness portfolio (opens the original)

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    Aug 21 (Reuters) - Billionaire investor Ken Griffin's Citadel has shed more than 80% of the ‌aggregate risk from the original portfolio of Leopold Aschenbrenner's Situational ‌Awareness, which it recently purchased, according to a letter sent to investors that was seen ​by Reuters on Friday. Situational, an AI-focused hedge fund run by former OpenAI researcher Aschenbrenner, sold the bulk of its stock bets to Citadel last month after heavy losses in its tech holdings forced it to unwind most ‌of

  2. Article · Jul 30, 2026 · Anirban Sen and Manya Saini

    Citadel buys most of hedge fund Situational’s stock holdings after AI share rout, sources say (opens the original)

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    Situational Awareness, an AI-focused hedge fund run by former OpenAI researcher Leopold Aschenbrenner, sold the bulk of its stock portfolio to Ken Griffin’s Citadel CTF-UN-T after being battered by heavy losses in its tech holdings, two sources familiar with the matter told Reuters on Thursday. Situational was forced to unwind most of its public equities portfolio, which included sizable holdings in several prominent AI names that have been rocked by the recent market selloff, the sources said,

  3. Article · Jul 30, 2026 · Anirban Sen and Manya Saini

    Citadel buys most of Situational's stock holdings after AI share rout, sources say (opens the original)

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    NEW YORK, July 30 (Reuters) - Situational Awareness, an AI-focused hedge fund run by former OpenAI researcher Leopold Aschenbrenner, sold the bulk of its stock portfolio to Ken Griffin's Citadel after being battered by heavy losses in its tech holdings, two ‌sources familiar with the matter told Reuters on Thursday. Situational was forced to unwind most of its public equities portfolio, which included sizable holdings in ‌several prominent AI names that have been rocked by the recent market sell

  4. Article · Jul 28, 2026 · Anirban Sen

    Hedge funds on track for another stellar year on AI boom (opens the original)

    Excerpt · Positive tone · English

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    NEW YORK, July 28 (Reuters) - Global ⁠hedge funds are on track for another blockbuster year, as they look to surpass their returns from ⁠2025 after an artificial intelligence boom buoyed first-half performance for money managers across most investment strategies, according ‌to a Goldman Sachs note sent to clients that was seen by Reuters. During the first six months of this year, hedge funds returned an average of 7%, well above the 10-year average of 4.1%, according to the Goldman report. Those

  5. Article · Jul 28, 2026 · Anirban Sen

    Hedge funds on track to surpass last year’s stellar returns, Goldman says (opens the original)

    Excerpt · Neutral tone · English

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    Global hedge funds are on track for another blockbuster year, as they look to surpass their returns from 2025 after an artificial intelligence boom buoyed first-half performance for money managers across most investment strategies, according to a Goldman Sachs note sent to clients that was seen by Reuters. During the first six months of this year, hedge funds returned an average of 7 per cent, well above the 10-year average of 4.1 per cent, according to the Goldman report. Those returns have bee

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