2 institutions reported holding $24,672 of AMASS BRANDS INC (AMSS) in SEC 13F filings for 2026-06-30. Largest institutional holders: JANE STREET GROUP, LLC ($22,745), Stone House Investment Management, LLC ($1,927). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $22,745 | 11,095 | New |
| 2 | Stone House Investment Management, LLC | $1,927 | 940 | New |
Source: SEC Form 13F filings · as of 2026-06-30