Flexible Solutions IntlFSI
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 31 institutions reported holding Flexible Solutions Intl Inc. (FSI) in their 13F filings, up 1 from Q4 2025. 5 opened new positions and 4 sold out. The largest holders were Renaissance Technologies ($1.8M), Vanguard Capital Management LLC ($1.5M) and Dimensional Fund Advisors LP ($498K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Flexible Solutions Intl Inc.
- CUSIP
- 33938T104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $826K |
| Exits | 4 | $1.2M |
All 13F filers, Q4 2025 → Q1 2026: 185,710 shares bought and 326,909 shares sold, net −141,199 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 31 holders
| Renaissance Technologies | 0.00% | Add +2.3% | 340,945 | $1.8M |
| Vanguard Capital Management LLC | 0.00% | — | 278,155 | $1.5M |
| Dimensional Fund Advisors LP | 0.00% | Add +6.3% | 92,280 | $498K |
| North Star Investment Management Corp. | 0.03% | New | 90,000 | $486K |
| Beartown Capital Management, LLC | 0.32% | No change | 74,754 | $404K |
| Regal Investment Advisors LLC | 0.01% | Add +23.5% | 43,185 | $233K |
| Citadel Advisors | 0.00% | Add +6.9% | 37,237 | $201K |
| Essex Investment Management Co. LLC | 0.02% | No change | 26,252 | $142K |
| Crestwood Advisors Group, LLC | 0.00% | New | 25,181 | $136K |
| Quantinno Capital Management LP | 0.00% | New | 25,181 | $136K |
| O'shaughnessy Asset Management, LLC | 0.00% | Reduce -63.9% | 21,488 | $116K |
| BlackRock, Inc. | 0.00% | Add +8.7% | 19,780 | $107K |
| NewEdge Advisors, LLC | 0.00% | Add +6.2% | 19,432 | $105K |
| Rothschild Wealth LLC | 0.01% | Reduce -82.7% | 18,700 | $101K |
| James Investment Research, Inc. | 0.01% | No change | 18,300 | $99K |
| Strait & Sound Wealth Management LLC | 0.03% | Add +21.3% | 14,228 | $77K |
| Ritholtz Wealth Management | 0.00% | Reduce -66.8% | 13,885 | $75K |
| XTX Topco Ltd | 0.00% | Add +13.3% | 13,160 | $71K |
| Two Sigma Investments, LP | 0.00% | New | 11,100 | $60K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 6,714 | $36K |
| Covestor Ltd | 0.02% | No change | 6,162 | $33K |
| Founders Capital Management | 0.02% | Add +20.0% | 6,000 | $32K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 2,525 | $13K |
| Morgan Stanley | 0.00% | New | 1,500 | $8K |
| Wells Fargo & Company | 0.00% | No change | 1,245 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +90.3% | 803 | $4K |
| JPMorgan Chase & Co. | 0.00% | Add +4227.8% | 779 | $4K |
| 1 North Wealth Services LLC | 0.00% | No change | 700 | $4K |
| Osaic Holdings, Inc. | 0.00% | No change | 400 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +8.3% | 13 | $70 |
| Citigroup Inc. | 0.00% | No change | 1 | $5 |
"% of holder's portfolio" is FSI's weight in each manager's 13F, not the share of Flexible Solutions Intl Inc. the manager owns.