What does CUSIP 58470H101 represent in this 13F holders report?

CUSIP 58470H101 is the security identifier for MED - MEDIFAST INC - Common Stock used to aggregate holder disclosures.

How many institutions held MED - MEDIFAST INC - Common Stock in Q4 2018?

239 institutional investors reported MED - MEDIFAST INC - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

MEDIFAST INC - Common Stock (MED)

CUSIP: 58470H101

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 10,959,833
Total 13F shares: 11,332,591
Share change: +377,439
Total reported value: $1,416,825,601
Put/Call ratio: 91%
Price per share: $125.02
Number of holders: 239
Value change: +$13,249,777
Number of buys: 126
Number of sells: 140

Quarterly Holders Quick Answers

What is CUSIP 58470H101?
CUSIP 58470H101 identifies MED - MEDIFAST INC - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 58470H101:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of MED - MEDIFAST INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	15%	1,692,494	$374,972,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	12%	1,285,140	$284,723,000	—	30 Sep 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	8.7%	958,400	$212,334,000	—	30 Sep 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	6.3%	686,014	$151,985,000	—	30 Sep 2018	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	3.9%	426,232	$94,431,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	3.6%	391,343	$86,701,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	2.3%	253,311	$56,121,000	—	30 Sep 2018	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	2.1%	231,522	$51,294,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	1.7%	190,951	$42,304,000	—	30 Sep 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	1.6%	176,198	$39,036,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	1.5%	159,589	$35,357,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.4%	155,593	$34,471,000	—	30 Sep 2018	13F
Jupiter Investment Management Ltd	13F	Company	1.3%	145,041	$32,133,000	—	30 Sep 2018	13F
Invesco Ltd.	13F	Company	1.3%	144,978	$32,119,000	—	30 Sep 2018	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.2%	135,777	$30,081,000	—	30 Sep 2018	13F
PRUDENTIAL FINANCIAL INC	13F	Company	1.2%	135,662	$30,056,000	—	30 Sep 2018	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	1.2%	132,132	$29,274,000	—	30 Sep 2018	13F
12 West Capital Management LP	13F	Company	1.1%	115,341	$25,554,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	1%	109,958	$24,361,000	—	30 Sep 2018	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.95%	103,645	$22,963,000	—	30 Sep 2018	13F
Man Group plc	13F	Company	0.91%	99,264	$21,992,000	—	30 Sep 2018	13F
WINTON GROUP Ltd	13F	Company	0.9%	98,915	$21,915,000	—	30 Sep 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.79%	86,270	$19,112,000	—	30 Sep 2018	13F
Russell Investments Group, Ltd.	13F	Company	0.76%	83,771	$18,473,000	—	30 Sep 2018	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.75%	81,843	$18,091,000	—	30 Sep 2018	13F
Allianz Asset Management GmbH	13F	Company	0.74%	81,311	$18,015,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.69%	75,540	$16,736,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.68%	74,576	$16,521,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.67%	73,849	$16,361,000	—	30 Sep 2018	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.66%	72,197	$15,995,000	—	30 Sep 2018	13F
Hood River Capital Management LLC	13F	Company	0.66%	71,934	$15,937,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.65%	71,252	$15,786,000	—	30 Sep 2018	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.62%	67,716	$15,002,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.59%	64,720	$14,339,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	0.57%	62,646	$13,879,000	—	30 Sep 2018	13F
FEDERATED HERMES, INC.	13F	Company	0.52%	56,555	$12,530,000	—	30 Sep 2018	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.5%	54,717	$12,123,000	—	30 Sep 2018	13F
INGALLS & SNYDER LLC	13F	Company	0.49%	53,957	$11,954,000	—	30 Sep 2018	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.44%	48,275	$10,695,000	—	30 Sep 2018	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.43%	47,099	$10,435,000	—	30 Sep 2018	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.43%	46,673	$10,340,000	—	30 Sep 2018	13F
KBC Group NV	13F	Company	0.39%	42,347	$9,382,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.36%	39,219	$8,689,000	—	30 Sep 2018	13F
QS Investors, LLC	13F	Company	0.35%	38,562	$8,543,000	—	30 Sep 2018	13F
Aperio Group, LLC	13F	Company	0.35%	38,401	$8,508,000	—	30 Sep 2018	13F
Robeco Institutional Asset Management B.V.	13F	Company	0.34%	37,510	$8,311,000	—	30 Sep 2018	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.34%	37,473	$8,302,000	—	30 Sep 2018	13F
Squarepoint Ops LLC	13F	Company	0.34%	37,418	$8,290,000	—	30 Sep 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.34%	36,929	$8,182,000	—	30 Sep 2018	13F
GREAT LAKES ADVISORS, LLC	13F	Company	0.33%	36,317	$8,046,000	—	30 Sep 2018	13F

Institutional Holders of MEDIFAST INC - Common Stock (MED) as of Q4 2018

As of 31 Dec 2018, MEDIFAST INC - Common Stock (MED) was held by 239 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 11,332,591 shares. The largest 10 holders included BlackRock Inc., Vanguard Group Inc, RENAISSANCE TECHNOLOGIES LLC, DIMENSIONAL FUND ADVISORS LP, ACADIAN ASSET MANAGEMENT LLC, STATE STREET CORP, MERIAN GLOBAL INVESTORS (UK) Ltd, PRINCIPAL FINANCIAL GROUP INC, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP, and Bank of New York Mellon Corp. This page lists 239 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

264

Q4 2018 holders

239

Holder diff

-25

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.