Shares of SharonAI Holdings (SHAZ) jumped over 14% in after-hours trading on Monday after a Schedule 13G filing showed that Leopold Aschenbrenner’s Situational Awareness LP has disclosed a significant stake in the company.

Nearly 20% Passive Stake Reported

The filing states that Situational Awareness LP holds 5.4 million shares, representing a 19.9% ownership stake in SharonAI Holdings. The firm reported shared voting and shared dispositive power over the entire position.

According to the disclosure, Situational Awareness LP reported zero sole voting power and zero sole dispositive power, indicating the stake is fully held under shared control arrangements.

$1.6 Billion Financing Completed

Separately, SharonAI Holdings announced the closing of its previously disclosed oversubscribed $1.6 billion private placement financing. The transaction includes a $900 million private placement consisting of around 6.7 million Class A ordinary shares and pre-funded warrants for 6.4 million shares. It also includes a $700 million issuance of 4.75% Convertible Senior Notes due 2032, sold to qualified institutional buyers under Rule 144A.

The company said proceeds will support its six-year strategic compute collaboration with Nvidia and broader expansion initiatives.

Earlier in May, Situational Awareness LP a 5.6% stake in Nebius Group N.V. (NBIS), equivalent to 12.41 million Class A shares, positioning it among the company’s largest institutional holders.

SHAZ Stock: What Stocktwits Retail Sentiment Says

On Stocktwits, retail sentiment for SHAZ shifted into ‘bullish’ territory from ‘normal’ over the past 24 hours, while message volume also improved to ‘high’ from ‘normal’ in the same period. In the past 30 days, message volume around the stock has surged 300%, while its retail watcher base jumped 86.8% in the same period, and a whopping 1,332.8% in the last 90 days.

The news of Situational Awareness LP’s stake in SharonAI Holdings also triggered chatter around the SHAZ stock on Stocktwits.

One bullish trader Aschenbrenner is heavily investing in NBIS and SHAZ because he believes “neocloud” companies are the future, and added, “NBIS 40% of his port and $SHAZ now 20% for a reason.”

Another user on Stocktwits said SHAZ is trending due to rising attention around Aschenbrenner’s fund and added, “Momentum is building as market participants react to this major institutional backing.”

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The SHAZ stock has exploded 4,163.16% year-to-date.