Filing Flows › Flexible Solutions International (FSI) › Who owns the stock
Who owns Flexible Solutions International (FSI) stock
30 funds reported Flexible Solutions International (FSI) shares in their latest 13F filings, worth $10.3M in all. The largest holder is Renaissance Technologies LLC ($2.2M). Last quarter 8 funds added to their stakes and 13 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Renaissance Technologies LLC | 329,751 | $2.2M | decrease | 2026-06-30 |
| Vanguard Group | 284,869 | $1.9M | unchanged | 2025-12-31 |
| Vanguard Capital Management LLC | 282,117 | $1.9M | increase | 2026-06-30 |
| Perritt Capital Management | 108,200 | $728K | increase | 2025-12-31 |
| Dimensional Fund Advisors LP | 96,116 | $640K | increase | 2026-06-30 |
| North Star Investment Management | 90,000 | $599K | unchanged | 2026-06-30 |
| Beartown Capital Management, LLC | 74,754 | $498K | unchanged | 2026-06-30 |
| Regal Investment Advisors LLC | 43,185 | $288K | unchanged | 2026-06-30 |
| Citadel Advisors LLC | 41,514 | $276K | increase | 2026-06-30 |
| Sentinus, LLC | 30,300 | $202K | increase | 2026-06-30 |
| BlackRock | 25,244 | $168K | increase | 2026-06-30 |
| Essex Investment Management Co LLC | 26,180 | $157K | unchanged | 2026-09-30 |
| NewEdge Advisors, LLC | 18,300 | $122K | decrease | 2026-06-30 |
| James Investment Research | 18,300 | $110K | unchanged | 2026-09-30 |
| Crestwood Advisors Group, LLC | 15,292 | $102K | decrease | 2026-06-30 |
Flexible Solutions International's latest quarter
Flexible Solutions International, Q2 2026: revenue $7.6M (-33% year over year), operating margin -29.2%, net loss $1.9M, operating cash flow $5.3M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most FSI stock?
By the latest 13F filings: Renaissance Technologies LLC ($2.2M); Vanguard Group ($1.9M); Vanguard Capital Management LLC ($1.9M); Perritt Capital Management ($728K); Dimensional Fund Advisors LP ($640K).
What is the short interest in FSI?
89,003 shares were sold short at the 2026-10-15 settlement, 15.76% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.