Medifast MED Institutional Ownership

NYSE MED

$11.51 -0.10 (-0.86%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

114 Institutions

Increased 69 60.5%

Unchanged 16 14.0%

Reduced 29 25.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

77.70%

▼-0.46 pp QoQ

Shares Held by Institutions

8.65Mn

of 11.14Mn outstanding

▲+6.08% QoQ

Shares Outstanding

11.14Mn

2.48Mn held outside 13F filers

Institutional Investors

114

filed 13F for Jun 2026

▲+2 vs prior quarter

Net Shares Added (QoQ)

+495.53K

accumulated since last quarter

Value of Holdings

$99.58Mn

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

Medifast Inc (NYSE:MED) appears in 114 institutional 13F filings for the quarter ending June 2026.

Collectively, these holders controlled 77.7% of Medifast's outstanding shares in June 2026, down from 78.2% in March 2026.
Their total shares held in MED increased 6.08% from the prior quarter, while the number of investors in Medifast decreased 5.0% year over year.
Activity in MED broke down as 69 buyers, 29 sellers, and 16 unchanged among 114 total holders.
Altogether, these fund groups held 8.65Mn shares in MED by June 2026, up by 495.53K shares quarter on quarter, and up 503.91K shares year over year.
As of June 30, 2026, the biggest holder of Medifast is RENAISSANCE TECHNOLOGIES LLC at 778.61K shares, representing 6.99% of shares outstanding.
The biggest buyers of Medifast for the quarter ending June 2026 included Sixth Street Partners Management Company, L.P. (397.0K), MARSHALL WACE, LLP (241.65K), TWO SIGMA INVESTMENTS, LP (143.22K), COMMONS CAPITAL, LLC (111.92K), RBF Capital, LLC (109.0K).
Leading sellers of Medifast shares for the quarter ending June 2026 were BlackRock, Inc. (574.95K), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (234.54K), VANGUARD PORTFOLIO MANAGEMENT LLC (173.72K), State Street Corp (170.32K), GEODE CAPITAL MANAGEMENT, LLC (132.24K).
Business Quant data shows the 10 biggest positions in Medifast as of June 2026 are held by RENAISSANCE TECHNOLOGIES LLC (778.61K), Steamboat Capital Partners, LLC (706.7K), TWO SIGMA INVESTMENTS, LP (481.38K), VANGUARD CAPITAL MANAGEMENT LLC (446.61K), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (397.0K), Sixth Street Partners Management Company, L.P. (397.0K), BlackRock, Inc. (369.5K), DIMENSIONAL FUND ADVISORS LP (363.39K), AMERICAN CENTURY COMPANIES INC (318.91K), Morgan Stanley (292.51K).

Form 13F Holdings

114 Institutional Holders

Report period 30 Jun, 2026

Total shares held 8.65Mn

Of outstanding 77.70%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	RENAISSANCE TECHNOLOGIES LLC	0001037389	778,610	6.99%	▲4,900	+0.63%	$8.26Mn
2	Steamboat Capital Partners, LLC	0001635663	706,699	6.35%	▼891	-0.13%	$7.50Mn
3	TWO SIGMA INVESTMENTS, LP	0001179392	481,381	4.32%	▲143,223	+42.35%	$5.11Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	446,614	4.01%	▲2,147	+0.48%	$4.74Mn
5	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	396,996	3.57%	▼234,543	-37.14%	$4.21Mn
5	Sixth Street Partners Management Company, L.P.	0001812095	396,996	3.57%	▲396,996	0.00%	$4.21Mn
6	BlackRock, Inc.	0002012383	369,503	3.32%	▼574,950	-60.88%	$3.92Mn
7	DIMENSIONAL FUND ADVISORS LP	0000354204	363,394	3.26%	▲1,632	+0.45%	$3.86Mn
8	AMERICAN CENTURY COMPANIES INC	0000748054	318,911	2.86%	▲94,631	+42.19%	$3.38Mn
9	Morgan Stanley	0000895421	292,508	2.63%	▼32,804	-10.08%	$3.10Mn
10	Goldman Sachs Group Inc	0000886982	243,085	2.18%	▲89,914	+58.70%	$2.58Mn
11	MARSHALL WACE, LLP	0001318757	241,649	2.17%	▲241,649	0.00%	$2.56Mn
12	AQR CAPITAL MANAGEMENT LLC	0001167557	236,434	2.12%	▲90,859	+62.41%	$2.51Mn
13	Peapod Lane Capital LLC	0002050979	222,576	2.00%	▲3,513	+1.60%	$2.36Mn
14	Lido Advisors, LLC	0001650150	220,337	1.98%	▲37,302	+20.38%	$2.34Mn
15	Trexquant Investment LP	0001633445	212,684	1.91%	▲32,603	+18.10%	$2.26Mn
16	JANE STREET GROUP, LLC	0001595888	164,881	1.48%	▲38,474	+30.44%	$1.75Mn
17	COMMONS CAPITAL, LLC	0001912835	149,916	1.35%	▲111,916	+294.52%	$1.59Mn
18	Quinn Opportunity Partners LLC	0001633275	127,112	1.14%	0	0.00%	$1.35Mn
19	GEODE CAPITAL MANAGEMENT, LLC	0001214717	121,071	1.09%	▼132,244	-52.21%	$1.29Mn

Showing 1 to 20 of 114 holders