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Startups & Venture·June 22, 2026·1 min read

Billions in SpaceX IPO Arb Trades Rattle ETFs

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Arb trades around the SpaceX IPO moving billions through ETFs show how index products are now being used as synthetic access to single-name events. If you manage treasury or corporate exposure, you need to understand where your ETF holdings might be quietly concentrating risk around a few high-profile listings.

Startups & Venture

Nebulock, which helps security teams proactively find and remediate threats across a company's security stack, raised a $25M Series A led by FirstMark

A $25M Series A into Nebulock’s contextual threat hunting is more evidence that buyers want consolidation across their security stack, not another point scanner. If you run security or platform, expect vendors to pitch "proactive, cross-stack" visibility—pressure-test how they actually correlate signals and shorten time-to-remediation.