See the top institutional holders, insider ownership, and recent ownership changes for SI.

What is SI institutional ownership? | Glauxie AI

The largest institutional holder is RMG Wealth Management LLC. Recent insider activity: 9 buys, 8 sells — insiders are net buying SI.

See which hedge funds and institutional investors hold SI based on the latest 13F filings.

Identify the largest shareholder of SI and the top institutional and insider holders.

What is SI institutional ownership?

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SI Ownership & Insider Activity

Name	Shares	Date
Ball Robert Joseph	10.0K	2026-04-30
Ball Robert Joseph	10.0K	2026-04-30
Ahearn Matthew Fraser	7.4K	2026-04-20
Ahearn Matthew Fraser	7.4K	2026-04-20
Ahearn Matthew Fraser	14.2K	2026-04-20
Ahearn Matthew Fraser	14.2K	2026-04-20
BUCKMAN PAUL	26.2K	2026-03-13
Ball Robert Joseph	2.2K	2026-03-13
Points Jeffrey S.	13.3K	2026-03-13
BUCKMAN PAUL	19.4K	2026-03-13

Insider Trades 13F Holdings SI Overview

Who owns SI stock? What hedge funds own SI? Who is the largest shareholder of SI?