Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MTEX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 52K | $272K | 0.0% | 2.703% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 42K | $216K | -16.3% | 2.152% | 0.00% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 30K | $157K | -2.6% | 1.559% | 0.00% |
| 4 | IFG Advisory, LLC | 19K | $99K | — | 0.989% | 0.00% |
| 5 | VANGUARD FIDUCIARY TRUST CO | 3K | $14K | 0.0% | 0.139% | 0.00% |
| 6 | Tower Research Capital LLC (TRC) | 727 | $4K | +54.0% | 0.038% | 0.00% |
| 7 | ROYAL BANK OF CANADA | 316 | $2K | +295.0% | 0.016% | 0.00% |
| 8 | Vanguard Global Advisers, LLC | 250 | $1K | 0.0% | 0.013% | 0.00% |
| 9 | WELLS FARGO & COMPANY/MN | 201 | $1K | +20000.0% | 0.010% | 0.00% |
| 10 | UBS Group AG | 48 | $250 | -90.1% | 0.003% | 0.00% |
| 11 | NATIONAL BANK OF CANADA /FI/ | 30 | $150 | 0.0% | 0.002% | 0.00% |
| 12 | Arax Advisory Partners | 12 | $63 | 0.0% | 0.001% | 0.00% |
| 13 | ACADIAN ASSET MANAGEMENT LLC | 5K | $24 | -39.4% | 0.243% | 0.00% |
| 14 | MORGAN STANLEY | 2 | $15 | 0.0% | 0.000% | 0.00% |
| 15 | CITIGROUP INC | 1 | $5 | — | 0.000% | 0.00% |
| 16 | SBI Securities Co., Ltd. | 1 | $5 | 0.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MTEX — a direct measure of their conviction.
Filings activity in MTEX during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new MTEX position in Q2 2026
Institutions that fully closed their MTEX position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 16 | 11% | 7.87% | 1.74 pp | $1M | 27% |
| Q1 2026 | 18 | 5.3% | 9.61% | 1.31 pp | $1M | 36% |
| Q4 2025 | 19 | 9.5% | 10.92% | 0.72 pp | $2M | 20% |
| Q3 2025 | 21 | 4.5% | 11.64% | +0.13 pp | $2M | +7.0% |
| Q2 2025 | 22 | +0.0% | 11.51% | +0.02 pp | $2M | +2.0% |
| Q1 2025 | 22 | +22% | 11.49% | +0.93 pp | $2M | 25% |
| Q4 2024 | 18 | +20% | 10.56% | 1.73 pp | $3M | +67% |
| Q3 2024 | 15 | — | 12.29% | — | $2M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MTEX stock.
Based on Q2 2026 13F filings, institutional ownership of Mannatech, Incorporated stands at 7.9%, held across 16 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MTEX, with approximately 52,163 shares worth $0.00B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of MTEX, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for MTEX is 30 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
2 institutions opened new positions in MTEX during Q2 2026, while 4 fully exited. 3 added to existing positions and 10 trimmed.
MTEX institutional ownership fell by 1.74 percentage points quarter-over-quarter, with a net change of -2 holders.
The top 10 institutions account for 100.0% of all reported 13F value in MTEX, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Mannatech, Incorporated (MTEX) Institutional Ownership