Eos Energy Enterprises (EOSE): Rubric Capital Management LP opened a new position $117M

10.3M

Shares reported

1.3%

Disclosed portfolio weight

$117M

Reported value

Holdings as of

Sep 30, 2025

Filed

Nov 14, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Nov 5, 2025Company filing · Form 8-K · ResultsReported its results

What came next

1. Nov 18, 2025Company filing · Form 8-K · Material agreement, Unregistered sharesSigned an important agreement, and sold new shares without registering them (and 1 more item)
2. Nov 18, 2025Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations (and 2 more items)
3. Dec 22, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On December 22, 2025, Russell Stidolph resigned from the Board of Directors of Eos Energy Enterprises, Inc., (the “Board”), effective December 31, 2025, to devote more time to other business ventures.”
4. Feb 13, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
5. Feb 26, 2026Company filing · Form 8-K · ResultsReported its results

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Eos Energy Enterprises

For Eos Energy Enterprises, OQRO holds 4 insider filings (SEC Form 4 or Form 144) and 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its EOSE page.

How this filing works

• SEC Form 13F

Other disclosures at Eos Energy Enterprises

• SEC Form 4Nov 13, 2026
• SEC Schedule 13GNov 6, 2026
• SEC Form 144Oct 29, 2026
• SEC Form 4Oct 29, 2026
• SEC Form 144Oct 29, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its EOSE page.