Director Lior Susan & Eclipse Funds Disclose 6.1% Stake with High Voting Power Post-IPO
CBRS is trading near its 52-week low of $250.27 (1.8% above the low).
Summary
Director Lior Susan and associated Eclipse funds have filed an initial Schedule 13D, disclosing a 6.1% beneficial ownership stake in Cerebras Systems, primarily through high-voting Class B common stock, following the company's IPO.
Key Events · Ownership and Investor Activity · CBRS
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Significant Beneficial Ownership Disclosed
Director Lior Susan and affiliated Eclipse funds report beneficial ownership of 13,466,197 shares of Class B common stock in Cerebras Systems.
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Substantial Voting Power
These Class B shares represent 6.1% of the total outstanding common stock and carry 20 votes per share, granting the reporting persons significant voting control.
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Post-IPO Initial Disclosure
This Schedule 13D is an initial filing following the company's IPO on May 15, 2026, reflecting the automatic conversion of preferred stock into Class B common stock upon closing.
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Subject to Lock-up Agreement
The reporting persons are subject to a 180-day lock-up period, restricting sales of these shares following the IPO.
Analysis · CBRS · Manufacturing
This Schedule 13D filing establishes the beneficial ownership structure of Cerebras Systems following its recent IPO. Director Lior Susan and affiliated Eclipse funds collectively hold a significant 6.1% stake in the company, primarily through Class B common stock. These Class B shares carry 20 votes per share, granting the reporting persons substantial voting control over the company. This disclosure is important for understanding the distribution of power and influence within the newly public company.
How filings like this one have moved
In the 30 days to Oct 5, 2026, 29.2% of the 1496 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.63%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, CBRS was trading at $254.83 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $56.4B. The 52-week trading range was $250.27 to $386.34. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.