David Rosen
What David Rosen 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.
Talen Energy (TLN)
The Schedule 13G of Sep 30, 2025 counts 3.6M shares (7.5%) as David Rosen's.
- Declared stake: 3.6M (7.5%), $1.2B — Counted as theirs in the Schedule 13G of Sep 30, 2025, which does not break them down.
Declarations
- Talen Energy (TLN) — 13G filed Nov 14, 2025: 3.6M shares counted as of Sep 30, 2025, 7.9% as declared
- Talen Energy (TLN) — 13G filed Jul 9, 2025: 4.5M shares counted as of Jun 30, 2025, 9.9% 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.