Flexible Solutions International FSI Institutional Ownership

NYSE FSI

$5.70 +0.00 (+0.00%)

As of: Sep 10, 2026 · 9:46 AM EDT

Institutions by Trading Activity

31 Institutions

Increased 11 35.5%

Unchanged 12 38.7%

Reduced 8 25.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

9.09%

▼-0.26 pp QoQ

Shares Held by Institutions

1.16Mn

of 12.74Mn outstanding

▲+1.26% QoQ

Shares Outstanding

12.74Mn

11.59Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+1 vs prior quarter

Net Shares Added (QoQ)

+14.39K

accumulated since last quarter

Value of Holdings

$6.60Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Flexible Solutions International Inc (NYSE:FSI) has 31 institutional investors with active 13F positions as of June 2026.

These investors held 9.1% of outstanding shares in June 2026, down from 9.3% in March 2026.
They increased total shares held in Flexible Solutions International by 1.26% from last quarter, and the number of investors in FSI increased 34.78% annually.
Of these 31 funds, 11 grew their exposure to Flexible Solutions International, 8 cut back, and 12 maintained positions.
Altogether, these fund groups held 1.16Mn shares in FSI by June 2026, up by 14.39K shares quarter on quarter, and down 452.82K shares year over year.
RENAISSANCE TECHNOLOGIES LLC holds the largest position in FSI at 329.75K shares as of June 30, 2026, or 2.59% of shares outstanding.
The most significant purchases of FSI for the quarter ending June 2026 came from NewEdge Advisors, LLC (18.3K), Rothschild Wealth LLC (11.6K), BlackRock, Inc. (5.46K), CITADEL ADVISORS LLC (4.28K), VANGUARD CAPITAL MANAGEMENT LLC (3.96K).
The largest sales of FSI for the quarter ending June 2026 came from RENAISSANCE TECHNOLOGIES LLC (11.19K), Crestwood Advisors Group, LLC (9.89K), Quantinno Capital Management LP (9.89K), XTX Topco Ltd (1.94K), Tower Research Capital LLC (TRC) (763).
Per Business Quant, the top 10 investors in FSI for the quarter ending June 2026 include RENAISSANCE TECHNOLOGIES LLC (329.75K), VANGUARD CAPITAL MANAGEMENT LLC (282.12K), DIMENSIONAL FUND ADVISORS LP (96.12K), North Star Investment Management Corp. (90.0K), Beartown Capital Management, LLC (74.75K), Regal Investment Advisors LLC (43.18K), CITADEL ADVISORS LLC (41.51K), Rothschild Wealth LLC (30.3K), ESSEX INVESTMENT MANAGEMENT CO LLC (26.18K), BlackRock, Inc. (25.24K).

Form 13F Holdings

31 Institutional Holders

Report period 30 Jun, 2026

Total shares held 1.16Mn

Of outstanding 9.09%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	RENAISSANCE TECHNOLOGIES LLC	0001037389	329,751	2.59%	▼11,194	-3.28%	$2.20Mn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	282,117	2.21%	▲3,962	+1.42%	$1.88Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	96,116	0.75%	▲3,836	+4.16%	$640.13K
4	North Star Investment Management Corp.	0001342857	90,000	0.71%	0	0.00%	$599.40K
5	Beartown Capital Management, LLC	0001877162	74,754	0.59%	0	0.00%	$497.86K
6	Regal Investment Advisors LLC	0001559789	43,185	0.34%	0	0.00%	$287.61K
7	CITADEL ADVISORS LLC	0001423053	41,514	0.33%	▲4,277	+11.49%	$276.48K
8	Rothschild Wealth LLC	0001811345	30,300	0.24%	▲11,600	+62.03%	$201.80K
9	ESSEX INVESTMENT MANAGEMENT CO LLC	0000201772	26,180	0.21%	▼72	-0.27%	$174.36K
10	BlackRock, Inc.	0002012383	25,244	0.20%	▲5,464	+27.62%	$168.13K
11	JAMES INVESTMENT RESEARCH, INC.	0000810384	18,300	0.14%	0	0.00%	$121.88K
11	NewEdge Advisors, LLC	0001633516	18,300	0.14%	▲18,300	0.00%	$121.88K
12	Crestwood Advisors Group, LLC	0001426853	15,292	0.12%	▼9,889	-39.27%	$101.85K
12	Quantinno Capital Management LP	0001759654	15,292	0.12%	▼9,889	-39.27%	$101.85K
13	Strait & Sound Wealth Management LLC	0001966210	14,228	0.11%	0	0.00%	$94.76K
14	XTX Topco Ltd	0001828301	11,225	0.09%	▼1,935	-14.70%	$74.76K
15	VANGUARD FIDUCIARY TRUST CO	0000933478	6,714	0.05%	0	0.00%	$44.72K
16	Covestor Ltd	0001909846	6,162	0.05%	0	0.00%	$41
17	Founders Capital Management	0001704300	6,000	0.05%	0	0.00%	$39.96K
18	Federation des caisses Desjardins du Quebec	0002022297	2,525	0.02%	0	0.00%	$16.24K

Showing 1 to 20 of 31 holders