They’re free-float adjusted so entities like SpaceX are valued only by what’s available on public markets. And Vanguard (and its funds) are owned by its investors, which makes it seem implausible that the rules would be rewritten in a way that would damage investors.
High level, it's concerning to observe this unfold while almost every asset class is at its peak and there is no one willing to purchase (office real estate [1] [2], private equity [3], us equities [4], crypto, etc). Late Stage Capital Markets when you've exhausted greater fools available.
[1] Office Real Estate Is Facing ‘a Year of Reckoning’ in 2025 - https://www.bloomberg.com/news/features/2024-12-18/commercia... | https://archive.today/fTPSY - December 18, 2024
[2] Blackstone Is About to Take a 54% Loss on Iconic Seattle Tower - https://www.bloomberg.com/news/articles/2026-05-29/blackston... | https://archive.today/fcA8W - May 29, 2026
[3] https://news.ycombinator.com/item?id=47049024 (citations)
[4] BlackRock Scales Back Equities After ‘Generational’ Earnings [Peak S&P] - https://www.bloomberg.com/news/articles/2026-05-29/blackrock... | https://archive.today/lMIcH - May 29th, 2026
I would assume this is not an ETF but sth else?