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 Q1 2018?

215 institutional investors reported MED - MEDIFAST INC - Common Stock for Q1 2018. Use the holders table for investor-level position and value details.

MEDIFAST INC - Common Stock (MED)

CUSIP: 58470H101

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock
Shares outstanding: 10,959,833
Total 13F shares: 10,696,673
Share change: +184,795
Total reported value: $999,579,447
Put/Call ratio: 77%
Price per share: $93.45
Number of holders: 215
Value change: +$28,445,651
Number of buys: 109
Number of sells: 93

Quarterly Holders Quick Answers

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

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q2 2018
Previous quarter: Q4 2017

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	14%	1,584,296	$110,597,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	8.7%	956,400	$66,766,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	6.5%	712,002	$49,705,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	6.3%	694,623	$48,492,000	—	31 Dec 2017	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	4.2%	458,674	$32,019,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	3.2%	350,108	$24,444,000	—	31 Dec 2017	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	2.7%	293,773	$20,508,000	—	31 Dec 2017	13F
Engaged Capital LLC	13F	Company	2.4%	264,549	$18,468,000	—	31 Dec 2017	13F
Numeric Investors LLC	13F	Company	2%	216,716	$15,129,000	—	31 Dec 2017	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	1.7%	189,619	$13,237,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.7%	187,558	$13,092,000	—	31 Dec 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	1.7%	181,692	$12,684,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	1.6%	178,015	$12,427,000	—	31 Dec 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.6%	171,881	$11,999,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	1.4%	152,507	$10,647,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	1.4%	152,468	$10,644,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	1.2%	136,883	$9,555,000	—	31 Dec 2017	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	1%	109,170	$7,621,000	—	31 Dec 2017	13F
Jupiter Investment Management Ltd	13F	Company	0.99%	108,869	$7,600,000	—	31 Dec 2017	13F
Marshall Wace North America L.P.	13F	Company	0.93%	102,248	$7,138,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	0.81%	88,234	$6,160,000	—	31 Dec 2017	13F
WINTON GROUP Ltd	13F	Company	0.77%	84,621	$5,907,000	—	31 Dec 2017	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.77%	84,253	$5,882,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.75%	82,016	$5,725,000	—	31 Dec 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.74%	81,358	$5,680,000	—	31 Dec 2017	13F
Russell Investments Group, Ltd.	13F	Company	0.72%	78,730	$5,532,000	—	31 Dec 2017	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.72%	78,618	$5,530,000	—	31 Dec 2017	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.71%	78,144	$5,455,000	—	31 Dec 2017	13F
Laurion Capital Management LP	13F	Company	0.7%	77,177	$5,388,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.7%	76,652	$5,351,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.65%	71,486	$4,990,000	—	31 Dec 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.65%	71,172	$4,968,000	—	31 Dec 2017	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.64%	69,755	$4,870,000	—	31 Dec 2017	13F
HL FINANCIAL SERVICES LLC	13F	Company	0.62%	68,020	$4,749,000	—	31 Dec 2017	13F
INGALLS & SNYDER LLC	13F	Company	0.62%	68,007	$4,748,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.61%	67,292	$4,698,000	—	31 Dec 2017	13F
ClariVest Asset Management LLC	13F	Company	0.61%	66,858	$4,668,000	—	31 Dec 2017	13F
SECOR Capital Advisors, LP	13F	Company	0.6%	66,143	$4,617,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.56%	61,000	$4,256,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.5%	55,135	$3,849,000	—	31 Dec 2017	13F
FEDERATED HERMES, INC.	13F	Company	0.5%	54,308	$3,791,000	—	31 Dec 2017	13F
Informed Momentum Co LLC	13F	Company	0.47%	51,718	$3,610,000	—	31 Dec 2017	13F
MARTINGALE ASSET MANAGEMENT L P	13F	Company	0.46%	50,706	$3,540,000	—	31 Dec 2017	13F
SEIZERT CAPITAL PARTNERS, LLC	13F	Company	0.46%	50,595	$3,532,000	—	31 Dec 2017	13F
Aperio Group, LLC	13F	Company	0.45%	48,958	$3,418,000	—	31 Dec 2017	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.43%	47,200	$3,295,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.43%	46,693	$3,260,000	—	31 Dec 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	0.42%	45,807	$3,198,000	—	31 Dec 2017	13F
CHICKASAW CAPITAL MANAGEMENT LLC	13F	Company	0.37%	40,598	$2,834,000	—	31 Dec 2017	13F
QS Investors, LLC	13F	Company	0.36%	39,203	$2,737,000	—	31 Dec 2017	13F

Institutional Holders of MEDIFAST INC - Common Stock (MED) as of Q1 2018

As of 31 Mar 2018, MEDIFAST INC - Common Stock (MED) was held by 215 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 10,696,673 shares. The largest 10 holders included BlackRock Inc., RENAISSANCE TECHNOLOGIES LLC, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, ACADIAN ASSET MANAGEMENT LLC, STATE STREET CORP, MILLENNIUM MANAGEMENT LLC, Marshall Wace North America L.P., AMERICAN CENTURY COMPANIES INC, and Man Group plc. This page lists 215 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

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

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

195

Q1 2018 holders

215

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 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.