D. E. Shaw & Co., Inc.

CIK

1009207

City

New York

State / Country

Stock

MED — Medifast Inc

Top Portfolio Positions

2,773 positions · $152,336,298,360 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	22,002,115	$3,837,168,854	2.52%
MSFT	Microsoft Corp Technology	8,119,370	$3,005,547,192	1.97%
TSLA	Tesla, Inc. Consumer Cyclical	7,308,193	$2,716,820,747	1.78%
GOOGL	Alphabet Inc. Communication Services	9,392,969	$2,701,042,165	1.77%
AVGO	Broadcom Inc. Technology	7,833,108	$2,424,425,255	1.59%
AAPL	Apple Inc. Technology	9,246,586	$2,346,691,059	1.54%
MU	Micron Technology Inc Technology	5,815,376	$1,964,666,627	1.29%
META	Meta Platforms, Inc. Communication Services	3,417,924	$1,955,496,857	1.28%
AMZN	Amazon Com Inc Consumer Cyclical	8,037,824	$1,674,037,603	1.10%
BSX	Boston Scientific Corp Healthcare	24,432,352	$1,533,130,087	1.01%

Portfolio Trend

25 quarters · across all stocks

Holdings in MED

Compact Export CSV

Shares Held

Position Value (USD)

46 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$740,813	72,700	-54.7%	Call	Defined	2026-05-15
2026-03-31	$1,636,146	160,564	-26.7%	Shares	Defined	2026-05-15
2025-12-31	$2,340,179	219,118	-16.9%	Shares	Defined	2026-02-17
2025-09-30	$3,604,067	263,648	+1478.7%	Shares	Defined	2025-11-14
2025-09-30	$228,289	16,700	0.0%	Call	Defined	2025-11-14
2025-06-30	$234,635	16,700	-94.8%	Call	Defined	2025-08-14
2025-06-30	$4,513,267	321,229	+613.8%	Shares	Defined	2025-08-14
2025-03-31	$606,600	45,000	-86.5%	Put	Defined	2025-05-15
2025-03-31	$4,494,852	333,446	+3016.3%	Shares	Defined	2025-05-15
2024-12-31	$188,534	10,700	-85.9%	Call	Defined	2025-02-14
2024-12-31	$1,333,834	75,700	-73.8%	Put	Defined	2025-02-14
2024-12-31	$5,088,356	288,783	+371.9%	Shares	Defined	2025-02-14
2024-09-30	$1,171,368	61,200	-32.0%	Call	Defined	2024-11-14
2024-09-30	$1,722,600	90,000	-56.9%	Put	Defined	2024-11-14
2024-09-30	$3,996,106	208,783	+884.8%	Shares	Defined	2024-11-14
2024-06-30	$462,584	21,200	-88.8%	Call	Defined	2024-08-14
2024-06-30	$4,145,800	190,000	-43.8%	Put	Defined	2024-08-14
2024-06-30	$7,370,970	337,808	+237.8%	Shares	Defined	2024-08-14
2024-03-31	$3,832,000	100,000	+130.4%	Put	Defined	2024-05-15
2024-03-31	$1,663,088	43,400	-52.8%	Call	Defined	2024-05-15
2024-03-31	$3,521,032	91,885	+79.3%	Shares	Defined	2024-05-15
2023-12-31	$3,444,218	51,238	+0.8%	Shares	Defined	2024-02-14
2023-09-30	$3,806,047	50,849	-36.2%	Shares	Defined	2023-11-14
2023-06-30	$7,339,714	79,641	-7.6%	Shares	Defined	2023-08-14
2023-03-31	$8,933,347	86,171	+87.7%	Shares	Defined	2023-05-15
2023-03-31	$4,758,453	45,900	+359.0%	Put	Defined	2023-05-15
2022-12-31	$1,153,500	10,000	-37.7%	Put	Defined	2023-02-14
2022-12-31	$1,852,867	16,063	+129.5%	Shares	Defined	2023-02-14
2022-09-30	$758,520	7,000	+141.1%	Put	Defined	2022-11-14
2022-09-30	$314,569	2,903	-82.9%	Shares	Defined	2022-11-14
2022-06-30	$3,068,670	17,000	+1288.9%	Put	Defined	2022-08-15
2022-06-30	$220,944	1,224	-87.8%	Shares	Defined	2022-08-15
2022-03-31	$1,707,800	10,000	+404.8%	Put	Defined	2022-05-16
2022-03-31	$338,315	1,981	-82.7%	Shares	Defined	2022-05-16
2021-12-31	$2,402,999	11,474	-63.3%	Shares	Defined	2022-02-14
2021-12-31	$6,555,159	31,300	+213.0%	Put	Defined	2022-02-14
2021-06-30	$2,829,800	10,000	+85.2%	Put	Defined	2021-08-16
2021-03-31	$1,143,828	5,400	-46.0%	Call	Defined	2021-05-17
2021-03-31	$2,118,200	10,000	+317.2%	Put	Defined	2021-05-17
2021-03-31	$507,732	2,397	-55.6%	Shares	Defined	2021-05-17
2020-12-31	$1,060,236	5,400	-67.1%	Call	Defined	2021-02-16
2020-09-30	$2,696,980	16,400	-19.2%	Call	Defined	2020-11-16
2020-06-30	$2,817,031	20,300	0.0%	Put	Defined	2020-08-14
2020-03-31	$1,268,750	20,300	+331.3%	Put	Defined	2020-05-15
2020-03-31	$294,187	4,707	-52.9%	Shares	Defined	2020-05-15
2020-03-31	$625,000	10,000	—	Call	Defined	2020-05-15
No 13F history on record for this holder in this stock.