Flexible Solutions International Inc. 13F holders
30 funds reported a position in Flexible Solutions International Inc. in their 13F for the quarter ended 30 June 2026, together 1.2 million shares worth $7.7 million. Against the quarter before, 3 opened a position, 6 added, 9 trimmed and 4 sold out; together they sold a net 52,169 shares. The largest holders: Renaissance Technologies LLC, Vanguard Capital Management LLC and Dimensional Fund Advisors LP.
What each fund did in FSI against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in FSI in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 7 reported a position in Flexible Solutions International Inc.: 2 opened one, 0 added, 0 trimmed and 3 sold out, a net 24,917 shares bought.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| OpenArc Corporate Advisory, LLC | +45,400 | 45,400 | new | 13F |
| Fortitude Family Office, LLC | +909 | 909 | new | 13F |
| Blue Trust, Inc. | -100 | 0 | sold out | 13F |
| Crestwood Advisors Group, LLC | -15,292 | 0 | sold out | 13F |
| Founders Capital Management | -6,000 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 2 reported a position in Flexible Solutions International Inc. in a 13F for the quarter ended 30 June 2026. The largest: Renaissance Technologies, 329,751 shares worth $2.2 million, 0.0% of its reported book. Sold out: Two Sigma Investments. In the quarter, 1 fund added or opened a position and 2 trimmed or sold out; together they sold a net 18,017 shares, about $119,993 at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Renaissance Technologies | 329,751 | $2.2 million | 0.0% | -11,194 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 41,514 | $276,483 | 0.0% | +4,277 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 0 | $0 | 0.0% | -11,100 | exited | 30 June 2026 | 13F |
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Renaissance Technologies LLC | 329,751 | 28.48% | $2.2 million | 0.00% | -11,194 | 13F |
| Vanguard Capital Management LLC | 282,117 | 24.36% | $1.9 million | 0.00% | +3,962 | 13F |
| Dimensional Fund Advisors LP | 96,116 | 8.30% | $640,133 | 0.00% | +3,836 | 13F |
| North Star Investment Management Corp. | 90,000 | 7.77% | $599,400 | 0.03% | no change | 13F |
| Beartown Capital Management, LLC | 74,754 | 6.46% | $497,862 | 0.22% | no change | 13F |
| Regal Investment Advisors LLC | 43,185 | 3.73% | $287,613 | 0.01% | no change | 13F |
| Citadel Advisors LLC | 41,514 | 3.59% | $276,483 | 0.00% | +4,277 | 13F |
| Rothschild Wealth LLC | 30,300 | 2.62% | $201,798 | 0.02% | +11,600 | 13F |
| Essex Investment Management Co. LLC | 26,180 | 2.26% | $174,359 | 0.02% | -72 | 13F |
| BlackRock, Inc. | 25,244 | 2.18% | $168,125 | 0.00% | +5,464 | 13F |
| James Investment Research, Inc. | 18,300 | 1.58% | $121,878 | 0.01% | no change | 13F |
| NewEdge Advisors, LLC | 18,300 | 1.58% | $121,878 | 0.00% | -1,132 | 13F |
| Crestwood Advisors Group, LLC | 15,292 | 1.32% | $101,845 | 0.00% | -9,889 | 13F |
| Quantinno Capital Management LP | 15,292 | 1.32% | $101,845 | 0.00% | -9,889 | 13F |
| Strait & Sound Wealth Management LLC | 14,228 | 1.23% | $94,758 | 0.03% | no change | 13F |
| XTX Topco Ltd | 11,225 | 0.97% | $74,759 | 0.00% | -1,935 | 13F |
| Vanguard Fiduciary Trust Co. | 6,714 | 0.58% | $44,715 | 0.00% | no change | 13F |
| Covestor Ltd | 6,162 | 0.53% | $41,000 | 0.02% | no change | 13F |
| Founders Capital Management | 6,000 | 0.52% | $39,960 | 0.02% | no change | 13F |
| Federation des caisses Desjardins du Quebec | 2,525 | 0.22% | $16,236 | 0.00% | no change | 13F |
| Morgan Stanley | 1,344 | 0.12% | $8,951 | 0.00% | -156 | 13F |
| Wells Fargo & Company | 1,245 | 0.11% | $8,292 | 0.00% | no change | 13F |
| JPMorgan Chase & Co. | 795 | 0.07% | $5,414 | 0.00% | +16 | 13F |
| 1 North Wealth Services LLC | 700 | 0.06% | $4,662 | 0.00% | no change | 13F |
| Osaic Holdings, Inc. | 400 | 0.03% | $2,664 | 0.00% | no change | 13F |
| Blue Trust, Inc. | 100 | 0.01% | $666 | 0.00% | new | 13F |
| UBS Group AG | 71 | 0.01% | $473 | 0.00% | new | 13F |
| Tower Research Capital LLC (TRC) | 40 | 0.00% | $266 | 0.00% | -763 | 13F |
| SBI Securities Co., Ltd. | 12 | 0.00% | $80 | 0.00% | -1 | 13F |
| Citigroup Inc. | 0 | 0.00% | $0 | 0.00% | sold out | 13F |
| O'shaughnessy Asset Management, LLC | 0 | 0.00% | $0 | 0.00% | sold out | 13F |
| Ritholtz Wealth Management | 0 | 0.00% | $0 | 0.00% | sold out | 13F |
| Two Sigma Investments, LP | 0 | 0.00% | $0 | 0.00% | sold out | 13F |
| Royal Bank of Canada | 10 | 0.00% | $0 | 0.00% | new | 13F |
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 11 February 2026 | 13D/A | Daniel B. O'Brien | 4.6 million | 36.1% | 27 January 2026 | N/A | EDGAR |