FLEXIBLE SOLUTIONS INTERNATIONAL INC - Common Stock (FSI) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
FSI on NYSE
Shares outstanding
12,728,964
Price per share
$6.06
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
1,459,484
Total reported value
$9,813,855
% of total 13F portfolios
0%
Share change
+241,902
Value change
+$1,545,646
Number of holders
30
Price from insider filings
$6.06
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of FLEXIBLE SOLUTIONS INTERNATIONAL INC - Common Stock (FSI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
O BRIEN DANIEL B 36% $30,902,424 4,595,156 Daniel B. O'Brien 27 Jan 2026
COMPREHENSIVE FINANCIAL PLANNING INC 10% $4,757,209 1,258,521 Comprehensive Financial Planning, Inc. 31 Dec 2024

As of 31 Dec 2025, 30 institutional investors reported holding 1,459,484 shares of FLEXIBLE SOLUTIONS INTERNATIONAL INC - Common Stock (FSI). This represents 11% of the company’s total 12,728,964 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of FLEXIBLE SOLUTIONS INTERNATIONAL INC - Common Stock (FSI) together control 11% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
RENAISSANCE TECHNOLOGIES LLC 2.6% 333,194 -4.9% 0% $2,240,730
VANGUARD GROUP INC 2.2% 284,869 0% 0% $1,915,744
Perritt Capital Management Inc 0.85% 108,200 +0.56% 1.2% $727,645
Rothschild Wealth LLC 0.85% 108,200 0.07% $727,645
DIMENSIONAL FUND ADVISORS LP 0.68% 86,830 +7.9% 0% $583,933
Beartown Capital Management, LLC 0.59% 74,754 0% 0.39% $502,721
Informed Momentum Co LLC 0.54% 69,175 0% 0.05% $465,202
MARSHALL WACE, LLP 0.47% 59,696 +15% 0% $401,155
O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.47% 59,524 +179% 0% $400,299
SEI INVESTMENTS CO 0.33% 42,024 0% $282,611
RITHOLTZ WEALTH MANAGEMENT 0.33% 41,882 +270% 0.01% $281,657
Regal Investment Advisors LLC 0.27% 34,960 +23% 0.01% $235,107
CITADEL ADVISORS LLC 0.27% 34,825 0% $234,198
ESSEX INVESTMENT MANAGEMENT CO LLC 0.21% 26,252 0% 0.03% $176,545
JAMES INVESTMENT RESEARCH, INC. 0.14% 18,300 0% 0.01% $123,068
NewEdge Advisors, LLC 0.14% 18,300 -0.08% 0% $123,068
BlackRock, Inc. 0.14% 18,194 -11% 0% $122,355
Strait & Sound Wealth Management LLC 0.09% 11,728 +16% 0.03% $78,871
XTX Topco Ltd 0.09% 11,611 0% $78,084
Covestor Ltd 0.05% 6,162 0% 0.02% $41,000
Founders Capital Management 0.04% 5,000 0% 0.02% $33,625
Federation des caisses Desjardins du Quebec 0.02% 2,525 0% 0% $16,539
WELLS FARGO & COMPANY/MN 0.01% 1,245 0% 0% $8,373
1 NORTH WEALTH SERVICES LLC 0.01% 700 0% 0% $4,708
UBS Group AG 0% 481 +2432% 0% $3,235

Institutional Holders of FLEXIBLE SOLUTIONS INTERNATIONAL INC - Common Stock (FSI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 1,459,484 $9,813,855 +$1,545,646 $6.72 30
2025 Q3 1,142,828 $11,016,158 +$906,752 $9.64 27
2025 Q2 1,096,496 $5,317,970 -$295,962 $4.85 23
2025 Q1 1,154,705 $5,830,452 +$321,857 $5.05 22
2024 Q4 1,102,646 $3,980,554 +$7,649 $3.61 17
2024 Q3 1,099,416 $4,007,372 +$263,451 $3.64 16
2024 Q2 1,033,672 $1,808,928 -$116,741 $1.75 14
2024 Q1 1,096,773 $2,061,666 -$61,702 $1.88 15
2023 Q4 1,129,599 $2,156,325 -$82,539 $1.91 16
2023 Q3 1,162,770 $3,162,468 -$144,929 $2.72 15
2023 Q2 1,216,056 $3,246,440 +$1,478 $2.67 14
2023 Q1 1,215,505 $3,792,312 -$171,366 $3.12 13
2022 Q4 1,270,766 $3,937,850 +$96,220 $3.10 17
2022 Q3 1,236,021 $2,041,000 -$259,426 $1.65 11
2022 Q2 1,278,522 $3,134,000 +$146,808 $2.45 14
2022 Q1 1,205,272 $4,907,000 -$53,045 $4.07 13
2021 Q4 1,218,486 $4,740,000 -$105,925 $3.89 11
2021 Q3 1,232,192 $4,436,360 -$121,622 $3.60 13
2021 Q2 1,265,534 $4,949,000 +$277,049 $3.91 13
2021 Q1 1,194,493 $4,826,000 +$808,258 $4.04 8
2020 Q4 978,874 $2,437,498 +$307,414 $2.49 13
2020 Q3 879,087 $1,792,408 +$133,639 $2.04 12
2020 Q2 813,754 $1,658,000 -$307,745 $2.03 12
2020 Q1 1,087,998 $1,273,000 -$133,895 $1.17 14
2019 Q4 1,148,631 $2,952,000 -$119,285 $2.57 16
2019 Q3 1,169,477 $2,836,000 +$1,311,921 $2.36 16
2019 Q2 612,942 $2,764,000 +$544,172 $4.51 13
2019 Q1 642,205 $1,431,000 -$52,667 $2.23 7
2018 Q4 675,720 $912,000 -$93,814 $1.35 8
2018 Q3 739,378 $1,087,000 -$518,188 $1.47 8
2018 Q2 1,057,513 $1,726,000 -$298,219 $1.62 8
2018 Q1 1,242,836 $1,914,000 -$82,900 $1.60 10
2017 Q4 1,294,652 $2,355,000 -$206,853 $1.82 9
2017 Q3 1,409,873 $2,424,000 -$183,706 $1.72 10
2017 Q2 1,516,363 $2,802,000 +$95,166 $1.84 12
2017 Q1 1,479,629 $2,181,000 -$240,739 $1.47 14
2016 Q4 1,650,361 $2,204,000 +$301,088 $1.33 17
2016 Q3 1,342,501 $2,979,000 +$711,087 $2.22 15
2016 Q2 1,056,153 $1,477,000 +$144,757 $1.40 13
2016 Q1 960,826 $891,000 +$42,056 $0.93 11
2015 Q4 914,747 $910,000 -$287,721 $1.00 10
2015 Q3 1,209,202 $1,165,000 -$201,191 $0.96 14
2015 Q2 1,260,353 $2,583,483 +$601,102 $2.05 15
2015 Q1 966,880 $1,246,000 -$21,456 $1.28 6
2014 Q4 986,672 $1,152,000 +$234,409 $1.14 7
2014 Q3 809,991 $1,039,000 -$1,020,641 $1.29 7
2014 Q2 1,594,318 $1,340,000 +$8,554 $0.84 6
2014 Q1 1,584,195 $1,252,000 +$47,989 $0.79 5