MEDIFAST INC

Ticker: MED CUSIP: 58470H101 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

Note: Option positions (PUT/CALL) are excluded.

Q1 2025

Shares 166,199 Value ($000) $2,240 Avg Close $15.02 Range $13.47 - $17.84

Q4 2024

Shares 104,226 Value ($000) $1,836 Avg Close $18.56 Range $16.70 - $21.98

Q3 2023

Shares 12,500 Value ($000) $936 Avg Close $87.17 Range $74.69 - $107.29

Q2 2023

Shares 28,603 Value ($000) $2,636 Avg Close $85.73 Range $74.67 - $100.22

Q2 2022

Shares 1,832 Value ($000) $331 Avg Close $163.09 Range $140.91 - $179.65

Q4 2021

Shares 36,425 Value ($000) $7,627 Avg Close $185.44 Range $165.34 - $211.26

Q3 2019

Shares 74,006 Value ($000) $7,669 Avg Close $89.47 Range $80.22 - $108.51

Q2 2019

Shares 74,500 Value ($000) $9,559 Avg Close $114.94 Range $104.18 - $131.87

Q1 2019

Shares 27,760 Value ($000) $3,541 Avg Close $104.33 Range $87.43 - $118.52

Q4 2018

Shares 13,101 Value ($000) $1,638 Avg Close $139.91 Range $92.77 - $182.91

Q1 2018

Shares 6,900 Value ($000) $645 Avg Close $60.45 Range $50.11 - $76.76

Q2 2016

Shares 75,823 Value ($000) $2,523 Avg Close $24.87 Range $22.58 - $27.20

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	166,199	$2,240	$15.02	$13.47 - $17.84
Q4 2024	104,226	$1,836	$18.56	$16.70 - $21.98
Q3 2023	12,500	$936	$87.17	$74.69 - $107.29
Q2 2023	28,603	$2,636	$85.73	$74.67 - $100.22
Q2 2022	1,832	$331	$163.09	$140.91 - $179.65
Q4 2021	36,425	$7,627	$185.44	$165.34 - $211.26
Q3 2019	74,006	$7,669	$89.47	$80.22 - $108.51
Q2 2019	74,500	$9,559	$114.94	$104.18 - $131.87
Q1 2019	27,760	$3,541	$104.33	$87.43 - $118.52
Q4 2018	13,101	$1,638	$139.91	$92.77 - $182.91
Q1 2018	6,900	$645	$60.45	$50.11 - $76.76
Q2 2016	75,823	$2,523	$24.87	$22.58 - $27.20