Mannatech, Incorporated
US ˙ NasdaqCM ˙ US5637712036

SecurityMTEX / Mannatech, Incorporated
InstitutionDimensional Fund Advisors Lp
Latest Disclosed Ownership11,925 shares
Latest Disclosed Value $ 71,550
Dimensional Fund Advisors Lp reports 5.94% decrease in ownership of MTEX / Mannatech, Incorporated

On May 7, 2026 - Dimensional Fund Advisors Lp filed a 13F-HR form disclosing ownership of 11,925 shares of Mannatech, Incorporated (US:MTEX) valued at $71,550 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 12,678 shares of Mannatech, Incorporated. This represents a change in shares of -5.94% during the quarter. The current value of the position is $68,807 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-07 2026-03-31 13F MANNATECH COM NEW 563771203 11,925 -753 -5.94 72 -31.73 0.0000
2026-02-12 2025-12-31 13F MANNATECH COM NEW 563771203 12,678 847 7.16 105 -10.34 0.0000
2025-11-12 2025-09-30 13F MANNATECH COM NEW 563771203 11,831 -17 -0.14 116 5.45 0.0000
2025-08-12 2025-06-30 13F MANNATECH COM NEW 563771203 11,848 0 0.00 111 1.85 0.0000
2025-05-13 2025-03-31 13F MANNATECH COM NEW 563771203 11,848 11,848 109 0.0000
2022-08-12 2022-06-30 13F MANNATECH COM 563771203 0 -7,572 -100.00 0 -100.00
2022-05-13 2022-03-31 13F MANNATECH COM 563771203 7,572 300 4.13 277 -0.72 0.0001
2022-02-09 2021-12-31 13F MANNATECH COM 563771203 7,272 7,272 279 0.0001
2021-11-12 2021-09-30 13F MANNATECH COM 563771203 0 -76,719 -100.00 0 -100.00
2021-08-12 2021-06-30 13F MANNATECH COM 563771203 76,719 -1,531 -1.96 2,117 32.64 0.0007
2021-05-14 2021-03-31 13F MANNATECH COM 563771203 78,250 -1,889 -2.36 1,596 7.04 0.0005
2021-03-08 2020-12-31 13F/A-2 MANNATECH COM 563771203 80,139 -180 -0.22 1,491 10.77 0.0005
2021-02-11 2020-12-31 13F MANNATECH COM 563771203 80,139 -180 1,491 538.4699
2020-11-12 2020-09-30 13F MANNATECH COM 563771203 80,319 -3,968 -4.71 1,346 7.94 0.0006
2020-08-13 2020-06-30 13F MANNATECH COM 563771203 84,287 310 0.37 1,247 38.10 0.0005
2020-05-14 2020-03-31 13F MANNATECH COM 563771203 83,977 0 0.00 903 -31.33 0.0005
2020-02-14 2019-12-31 13F MANNATECH COM 563771203 83,977 0 0.00 1,315 -9.25 0.0005
2019-11-12 2019-09-30 13F MANNATECH COM 563771203 83,977 -83 -0.10 1,449 1.47 0.0006
2019-08-13 2019-06-30 13F MANNATECH COM 563771203 84,060 0 0.00 1,428 -2.92 0.0006
2019-08-12 2019-03-31 13F/A-2 MANNATECH COM 563771203 84,060 0 0.00 1,471 -6.90 0.0006
2019-05-10 2019-03-31 13F MANNATECH COM 563771203 84,060 0 1,471
2019-02-26 2018-12-31 13F/A-1 MANNATECH COM 563771203 84,060 -100 -0.12 1,580 -6.84 0.0007
2019-02-13 2018-12-31 13F MANNATECH COM 563771203 84,060 -100 1,580
2018-11-13 2018-09-30 13F MANNATECH COM 563771203 84,160 3,254 4.02 1,696 2.23 0.0006
2018-08-10 2018-06-30 13F MANNATECH COM 563771203 80,906 14,807 22.40 1,659 59.83 0.0007
2018-05-11 2018-03-31 13F MANNATECH COM 563771203 66,099 0 0.00 1,038 4.74 0.0004
2018-02-12 2017-12-31 13F MANNATECH COM 563771203 66,099 -1,000 -1.49 991 3.99 0.0004
2017-11-13 2017-09-30 13F MANNATECH COM 563771203 67,099 -1,617 -2.35 953 -12.81 0.0004
2017-08-11 2017-06-30 13F MANNATECH COM 563771203 68,716 0 0.00 1,093 -2.41 0.0005
2017-05-12 2017-03-31 13F MANNATECH COM 563771203 68,716 61 0.09 1,120 -19.66 0.0005
2017-02-09 2016-12-31 13F MANNATECH COM 563771203 68,655 -117 -0.17 1,394 13.06 0.0007
2016-11-10 2016-09-30 13F MANNATECH COM 563771203 68,772 -26 -0.04 1,233 -11.42 0.0007
2016-08-09 2016-06-30 13F MANNATECH COM 563771203 68,798 480 0.70 1,392 -8.72 0.0008
2016-05-13 2016-03-31 13F MANNATECH COM 563771203 68,318 -15 -0.02 1,525 17.49 0.0009
2016-02-10 2015-12-31 13F MANNATECH COM 563771203 68,333 5,138 8.13 1,298 8.35 0.0008
2015-11-13 2015-09-30 13F MANNATECH COM 563771203 63,195 -1,203 -1.87 1,198 3.90 0.0008
2015-08-14 2015-06-30 13F MANNATECH COM 563771203 64,398 2,379 3.84 1,153 0.26 0.0007
2015-05-14 2015-03-31 13F MANNATECH COM 563771203 62,019 340 0.55 1,150 -30.05 0.0007
2015-02-06 2014-12-31 13F MANNATECH COM 563771203 61,679 2,454 4.14 1,644 78.11 0.0011
2014-11-13 2014-09-30 13F MANNATECH COM 563771203 59,225 -1,336 -2.21 923 25.92 0.0007
2014-08-08 2014-06-30 13F MANNATECH COM 563771203 60,561 1,100 1.85 733 -28.77 0.0005
2014-05-14 2014-03-31 13F MANNATECH COM 563771203 59,461 1,672 2.89 1,029 5.00 0.0008
2014-02-12 2013-12-31 13F MANNATECH COM 563771203 57,789 4,615 8.68 980 -23.32 0.0008
2013-11-13 2013-09-30 13F MANNATECH COM 563771203 53,174 1,240 2.39 1,278 123.82 0.0011
2013-08-15 2013-06-30 13F MANNATECH COM 563771203 51,934 51,934 571 0.0005
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.