AMASS Brands Inc. (AMSS) Ownership
AMSS ownership summary
as of October 18, 2026- Institutions
- 0.1% of shares outstanding
- Insiders
- 66.83% of shares outstanding
- Shares outstanding
- 11.6M
- Float
- 6.8M shares available to trade
- Short interest
- — 18K shares short
- Days to cover
- 0.06 short interest up 174.5% vs prior month
- Institutions 0.10%
- Insiders 66.83%
- Other investors 33.07%
AMSS top institutional holders
2 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Jane Street Group LLC | 0.10% | 11K | $3,994 | +11,095 (0.0%) | June 30, 2026 |
| 2 | Stone House Investment Management, LLC | 0.01% | 940 | $338 | +940 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 2, 2 holders added 12K shares and 0 cut 0.
Who owns AMSS
Institutional investors own 0.1% of AMASS Brands's shares and insiders 66.83%. The largest holder is Jane Street Group LLC with 0.10% of the shares (11K), as of June 30, 2026. Among the top 2 institutions, 2 added shares and 0 reduced their stake in the latest filings.
Related: AMSS analyst forecast, AMSS key metrics. See the AMSS stock overview for the latest quote and news.
AMSS ownership FAQ
Who owns the most AMASS Brands stock?
The largest shareholders of AMASS Brands are Jane Street Group LLC (0.10%), Stone House Investment Management, LLC (0.01%).
What percentage of AMASS Brands is owned by institutions?
Institutions hold 0.1% of AMASS Brands's shares outstanding; insiders hold 66.83%.
How many shares of AMASS Brands are outstanding?
AMASS Brands has 11.6M shares outstanding, of which 6.8M are in the public float.