Eugene A. Shcherbakov
What Eugene A. Shcherbakov holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
IPG Photonics (IPGP)
The Schedule 13D of Feb 18, 2026 counts 14.6M shares (34.3%) as Eugene A. Shcherbakov's.
- Declared stake: 14.6M (34.3%), $1.2B — Counted as theirs in the Schedule 13D of Feb 18, 2026, which does not break them down.
Declarations
- IPG Photonics (IPGP) — 13D filed Jul 28, 2026: 14.6M shares counted as of Feb 18, 2026, 34.3% as declared
- IPG Photonics (IPGP) — 13G filed Jul 28, 2026: 6.5M shares counted as of Sep 22, 2025, 15.2% as declared
- IPG Photonics (IPGP) — 13D filed Feb 20, 2025: 15.7M shares counted as of Feb 20, 2025, 36.9% as declared
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.