Medifast Inc. 13F holders
112 funds reported a position in Medifast Inc. in their 13F for the quarter ended 30 June 2026, together 8.3 million shares worth $87.7 million. Against the quarter before, 22 opened a position, 43 added, 28 trimmed and 24 sold out; together they sold a net 332,815 shares. The largest holders: Renaissance Technologies LLC, Steamboat Capital Partners, LLC and Two Sigma Investments, LP.
Funds holding112as many as Q1 2026
Shares they held8.3Mworth $87.7 million
Net sold on the quarter332,815 sharesabout $3.5 million at the funds' values
Funds buying to selling65 to 52opened or added, to cut or sold
Opened 22Added 43Held 19Trimmed 28Sold out 24
What each fund did in MED against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MED 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, 13 reported a position in Medifast Inc.: 0 opened one, 1 added, 5 trimmed and 11 sold out, a net 123,638 shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Peapod Lane Capital LLC | -15,074 | 207,502 | trimmed | 13F |
| IFP Advisors, Inc | -259 | 180 | trimmed | 13F |
| Gamma Investing LLC | -142 | 900 | trimmed | 13F |
| SJS Investment Consulting Inc. | -26 | 1 | trimmed | 13F |
| Farther Finance Advisors, LLC | -19 | 35 | trimmed | 13F |
| Caitong International Asset Management Co., Ltd | +5 | 17 | added | 13F |
| Covestor Ltd | -15 | 0 | sold out | 13F |
| Essential Partners LLC | -81 | 0 | sold out | 13F |
| Fortitude Family Office, LLC | -18 | 0 | sold out | 13F |
| Gill Capital Partners, LLC | -108 | 0 | sold out | 13F |
| Marquette Asset Management, LLC | -30,038 | 0 | sold out | 13F |
| Paladin Partners, LLC | -30 | 0 | sold out | 13F |
| Pinnacle Wealth Planning Services, Inc. | -631 | 0 | sold out | 13F |
| State of Wyoming | -18,594 | 0 | sold out | 13F |
| SummerHaven Investment Management, LLC | -47,835 | 0 | sold out | 13F |
| True Wealth Design, LLC | -90 | 0 | sold out | 13F |
| Wealth Enhancement Advisory Services, LLC | -10,683 | 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, 7 reported a position in Medifast Inc. in a 13F for the quarter ended 30 June 2026. The largest: Renaissance Technologies, 778,610 shares worth $8.3 million, 0.0% of its reported book. New this quarter: Citadel Advisors, Millennium Management, Point72 Asset Management. In the quarter, 6 funds added or opened a position and 1 trimmed or sold out; together they bought a net 141,286 shares, about $1.5 million 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 | 778,610 | $8.3 million | 0.0% | +4,900 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 481,381 | $5.1 million | 0.0% | +143,223 | added | 30 June 2026 | 13F |
| Geode Capital Management | 121,071 | $1.3 million | 0.0% | -132,244 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 56,350 | $597,873 | 0.0% | +56,350 | new | 30 June 2026 | 13F |
| Millennium Management | 47,906 | $508,283 | 0.0% | +47,906 | new | 30 June 2026 | 13F |
| Point72 Asset Management | 20,999 | $222,799 | 0.0% | +20,999 | new | 30 June 2026 | 13F |
| FMR LLC | 2,730 | $28,968 | 0.0% | +152 | added | 30 June 2026 | 13F |
Value is what the fund reported.
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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 | 778,610 | 9.43% | $8.3 million | 0.01% | +4,900 | 13F |
| Steamboat Capital Partners, LLC | 706,699 | 8.55% | $7.5 million | 1.60% | -891 | 13F |
| Two Sigma Investments, LP | 481,381 | 5.83% | $5.1 million | 0.00% | +143,223 | 13F |
| Vanguard Capital Management LLC | 446,614 | 5.41% | $4.7 million | 0.00% | +2,147 | 13F |
| Charles Schwab Investment Management Inc. | 396,996 | 4.81% | $4.2 million | 0.00% | -234,543 | 13F |
| BlackRock, Inc. | 369,503 | 4.47% | $3.9 million | 0.00% | -574,950 | 13F |
| Dimensional Fund Advisors LP | 363,394 | 4.40% | $3.9 million | 0.00% | +1,632 | 13F |
| American Century Companies Inc. | 318,911 | 3.86% | $3.4 million | 0.00% | +94,631 | 13F |
| Morgan Stanley | 292,508 | 3.54% | $3.1 million | 0.00% | -32,804 | 13F |
| Goldman Sachs Group Inc. | 243,085 | 2.94% | $2.6 million | 0.00% | +89,914 | 13F |
| Marshall Wace, LLP | 241,649 | 2.93% | $2.6 million | 0.00% | new | 13F |
| AQR Capital Management LLC | 236,434 | 2.86% | $2.5 million | 0.00% | +90,859 | 13F |
| Peapod Lane Capital LLC | 222,576 | 2.69% | $2.4 million | 1.59% | +3,513 | 13F |
| Lido Advisors, LLC | 220,337 | 2.67% | $2.3 million | 0.01% | +37,302 | 13F |
| Trexquant Investment LP | 212,684 | 2.57% | $2.3 million | 0.01% | +32,603 | 13F |
| Jane Street Group, LLC | 164,881 | 2.00% | $1.7 million | 0.00% | +38,474 | 13F |
| Commons Capital, LLC | 149,916 | 1.81% | $1.6 million | 1.11% | +111,916 | 13F |
| Quinn Opportunity Partners LLC | 127,112 | 1.54% | $1.3 million | 0.06% | no change | 13F |
| Geode Capital Management, LLC | 121,071 | 1.47% | $1.3 million | 0.00% | -132,244 | 13F |
| Bridgeway Capital Management, LLC | 117,078 | 1.42% | $1.2 million | 0.02% | -40,000 | 13F |
| RBF Capital, LLC | 109,000 | 1.32% | $1.2 million | 0.05% | new | 13F |
| JPMorgan Chase & Co. | 92,512 | 1.12% | $989,878 | 0.00% | +5,334 | 13F |
| D. E. Shaw & Co., Inc. | 92,345 | 1.12% | $979,780 | 0.00% | -68,219 | 13F |
| Bank of America Corp. | 87,118 | 1.05% | $924,323 | 0.00% | -1,659 | 13F |
| Quantinno Capital Management LP | 82,997 | 1.00% | $880,598 | 0.00% | +26,844 | 13F |
| Divisadero Street Capital Management, LP | 79,839 | 0.97% | $847,092 | 0.02% | no change | 13F |
| Virtus Family Office LLC | 79,060 | 0.96% | $838,827 | 0.66% | no change | 13F |
| Tudor Investment Corp. Et Al | 76,031 | 0.92% | $806,689 | 0.00% | new | 13F |
| BNP Paribas Financial Markets | 73,878 | 0.89% | $783,846 | 0.00% | +52,666 | 13F |
| Federated Hermes, Inc. | 69,605 | 0.84% | $738,509 | 0.00% | +5,684 | 13F |
| Empowered Funds, LLC | 66,105 | 0.80% | $701,374 | 0.00% | -5,479 | 13F |
| Vanguard Fiduciary Trust Co. | 63,337 | 0.77% | $672,006 | 0.00% | -3,703 | 13F |
| Atom Investors LP | 62,119 | 0.75% | $659,083 | 0.06% | +1,044 | 13F |
| Citadel Advisors LLC | 56,350 | 0.68% | $597,873 | 0.00% | new | 13F |
| State Street Corp. | 52,319 | 0.63% | $555,105 | 0.00% | -170,319 | 13F |
| Great Lakes Advisors, LLC | 51,611 | 0.62% | $547,593 | 0.00% | new | 13F |
| UBS Group AG | 50,223 | 0.61% | $532,866 | 0.00% | +36,390 | 13F |
| Engineers Gate Manager LP | 49,829 | 0.60% | $528,686 | 0.01% | +10,249 | 13F |
| Millennium Management LLC | 47,906 | 0.58% | $508,283 | 0.00% | new | 13F |
| SummerHaven Investment Management, LLC | 47,835 | 0.58% | $507,529 | 0.27% | no change | 13F |
| Centiva Capital, LP | 44,432 | 0.54% | $471,424 | 0.02% | +22,410 | 13F |
| Susquehanna Portfolio Strategies, LLC | 41,777 | 0.51% | $443,254 | 0.01% | new | 13F |
| Jump Financial, LLC | 40,500 | 0.49% | $429,705 | 0.00% | -50,375 | 13F |
| Gsa Capital Partners LLP | 38,443 | 0.47% | $408,000 | 0.03% | new | 13F |
| Victory Capital Management Inc. | 35,655 | 0.43% | $378,300 | 0.00% | +1,353 | 13F |
| Jain Global LLC | 35,223 | 0.43% | $373,716 | 0.01% | new | 13F |
| PDT Partners, LLC | 32,756 | 0.40% | $347,541 | 0.02% | +2,033 | 13F |
| Price T Rowe Associates Inc. | 32,378 | 0.39% | $344,000 | 0.00% | +5,673 | 13F |
| XTX Topco Ltd | 30,654 | 0.37% | $325,239 | 0.00% | new | 13F |
| Marquette Asset Management, LLC | 30,038 | 0.36% | $318,704 | 0.04% | new | 13F |
The 50 largest of the 112 funds that reported a position in MED in their 13F for the quarter ended 30 June 2026, by the value each reported.
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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?Options the funds reported on MED
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 233,400 | $2.5 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 65,600 | $696,016 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 21 August 2026 | 13D/A | Steamboat Capital Partners, LLC and 1 other | 790,693 | 7.1% | 20 August 2026 | EDGAR | |
| 14 August 2026 | 13G | Susquehanna Portfolio Strategies, LLC and 3 others | 587,214 | 5.3% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 August 2026 | 13G/A | Citadel Securities GP LLC and 13 others | 289,751 | 2.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 12 August 2026 | 13G/A | Charles Schwab Investment Management Inc and 1 other | 396,996 | 3.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 July 2026 | 13G/A | BlackRock, Inc. and 1 other | 327,404 | 2.9% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G | Citadel Securities GP LLC and 13 others | 715,910 | 6.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 May 2026 | 13G/A | Renaissance Technologies LLC and 3 others | 773,710 | 7.0% | 2 January 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 May 2026 | 13G/A | Charles Schwab Investment Management Inc and 1 other | 0 | 5.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 20 March 2026 | 13D | Steamboat Capital Partners, LLC and 1 other | 657,590 | 6.0% | 13 March 2026 | The Reporting Persons purchased the Shares as to which this report on Schedule 13D is being filed based on the Reporting Persons' belief that the Shares, when purchased, were undervalued and represented an attractive investment opportunity. | EDGAR |
| 13 February 2026 | 13G/A | G1 Execution Services, LLC and 5 others | 148,944 | 1.4% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 12 February 2026 | 13G/A | Charles Schwab Investment Management Inc and 1 other | 776,829 | 7.1% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 13 November 2025 | 13G/A | G1 Execution Services, LLC and 5 others | 654,945 | 6.0% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 13 November 2025 | 13G | Charles Schwab Investment Management Inc and 1 other | 595,211 | 5.4% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 27 August 2026 | 1,177 | $12.22 | SEC |
| 24 August 2026 | 88,000 | $11.95 | SEC |
| 21 August 2026 | 215 | $11.62 | SEC |
| 20 August 2026 | 590 | $11.58 | SEC |
| 11 August 2026 | 310 | $12.09 | SEC |
| 30 July 2026 | 20 | $9.64 | SEC |
| 29 July 2026 | 10 | $9.75 | SEC |
| 28 July 2026 | 1,111 | $9.91 | SEC |
| 27 July 2026 | 2,709 | $9.68 | SEC |
| 23 July 2026 | 22 | $9.76 | SEC |
| 20 July 2026 | 87,097 | $10.26 | SEC |
| 17 July 2026 | 5 | $10.50 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.