CITADEL ADVISORS LLC

CIK

1423053

City

MIAMI

State / Country

Stock

MD — Pediatrix Medical Group, Inc.

Top Portfolio Positions

4,269 positions · $549,594,039,539 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	64,565,975	$41,989,836,181	7.64%
QQQ	Invesco Qqq Trust, Series 1	55,171,964	$31,844,154,181	5.79%
NVDA	Nvidia Corp Technology	137,243,161	$23,935,207,278	4.36%
TSLA	Tesla, Inc. Consumer Cyclical	63,922,509	$23,763,192,720	4.32%
GLD	Spdr Gold Trust	34,441,722	$14,819,928,559	2.70%
AAPL	Apple Inc. Technology	55,393,070	$14,058,207,235	2.56%
META	Meta Platforms, Inc. Communication Services	23,967,037	$13,712,260,878	2.49%
MSFT	Microsoft Corp Technology	32,176,424	$11,910,746,871	2.17%
AMZN	Amazon Com Inc Consumer Cyclical	51,582,437	$10,743,074,153	1.95%
MU	Micron Technology Inc Technology	31,629,772	$10,685,802,171	1.94%

Portfolio Trend

25 quarters · across all stocks

Holdings in MD

Compact Export CSV

Shares Held

Position Value (USD)

50 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,561,469	73,000	-6.5%	Shares	Defined	2026-05-15
2025-12-31	$1,669,702	78,060	+457.6%	Shares	Defined	2026-02-17
2025-09-30	$234,500	14,000	-84.9%	Call	Defined	2025-11-14
2025-09-30	$1,548,570	92,452	-85.6%	Shares	Defined	2025-11-14
2025-06-30	$9,231,182	643,288	+1500.2%	Shares	Defined	2025-08-14
2025-06-30	$576,870	40,200	+428.9%	Call	Defined	2025-08-14
2025-03-31	$110,124	7,600	-76.5%	Put	Defined	2025-05-15
2025-03-31	$469,476	32,400	-88.4%	Call	Defined	2025-05-15
2025-03-31	$4,063,575	280,440	+11585.0%	Shares	Defined	2025-05-15
2024-12-31	$31,488	2,400	-83.6%	Put	Defined	2025-02-14
2024-12-31	$191,552	14,600	-97.2%	Call	Defined	2025-02-14
2024-12-31	$6,963,951	530,789	-50.8%	Shares	Defined	2025-02-14
2024-09-30	$12,515,113	1,079,820	+26237.1%	Shares	Defined	2024-11-14
2024-09-30	$47,519	4,100	-60.6%	Put	Defined	2024-11-14
2024-09-30	$120,536	10,400	-52.3%	Call	Defined	2024-11-14
2024-06-30	$164,590	21,800	-97.8%	Call	Defined	2024-08-14
2024-06-30	$7,508,776	994,540	+20619.6%	Shares	Defined	2024-08-14
2024-06-30	$36,240	4,800	-84.3%	Put	Defined	2024-08-14
2024-03-31	$306,918	30,600	+1510.5%	Call	Defined	2024-05-15
2024-03-31	$19,057	1,900	-99.7%	Put	Defined	2024-05-15
2024-03-31	$7,493,663	747,125	+32383.7%	Shares	Defined	2024-05-15
2023-12-31	$21,390	2,300	-99.9%	Put	Defined	2024-02-14
2023-12-31	$21,236,772	2,283,524	+25557.6%	Shares	Defined	2024-02-14
2023-12-31	$82,770	8,900	-70.3%	Call	Defined	2024-02-14
2023-09-30	$381,300	30,000	-95.9%	Call	Defined	2023-11-14
2023-09-30	$9,406,378	740,077	+36903.8%	Shares	Defined	2023-11-14
2023-09-30	$25,420	2,000	-57.4%	Put	Defined	2023-11-14
2023-06-30	$66,787	4,700	-63.3%	Put	Defined	2023-08-14
2023-06-30	$181,888	12,800	-98.5%	Call	Defined	2023-08-14
2023-06-30	$12,488,486	878,852	+8688.5%	Shares	Defined	2023-08-14
2023-03-31	$149,100	10,000	-35.9%	Put	Defined	2023-05-15
2023-03-31	$232,596	15,600	-98.0%	Call	Defined	2023-05-15
2023-03-31	$11,489,824	770,612	+79.4%	Shares	Defined	2023-05-15
2022-12-31	$6,384,479	429,642	+2472.7%	Shares	Defined	2023-02-14
2022-12-31	$248,162	16,700	+160.9%	Call	Defined	2023-02-14
2022-12-31	$95,104	6,400	-40.2%	Put	Defined	2023-02-14
2022-09-30	$176,657	10,700	-97.6%	Call	Defined	2022-11-14
2022-09-30	$7,408,779	448,745	+1930.5%	Shares	Defined	2022-11-14
2022-06-30	$464,321	22,100	-31.4%	Put	Defined	2022-08-15
2022-06-30	$676,690	32,208	+185.0%	Shares	Defined	2022-08-15
2022-03-31	$265,324	11,300	-92.4%	Put	Defined	2022-05-16
2022-03-31	$3,499,905	149,059	+1102.1%	Shares	Defined	2022-05-16
2021-09-30	$352,532	12,400	-75.6%	Put	Defined	2021-11-15
2021-09-30	$1,446,063	50,864	+358.2%	Shares	Defined	2021-11-15
2021-09-30	$315,573	11,100	-45.9%	Call	Defined	2021-11-15
2021-06-30	$618,075	20,500	-31.2%	Call	Defined	2021-08-16
2021-06-30	$898,470	29,800	-20.5%	Put	Defined	2021-08-16
2021-03-31	$955,125	37,500	+45.3%	Put	Defined	2021-05-21
2021-03-31	$657,126	25,800	+31.6%	Call	Defined	2021-05-21
2020-12-31	$480,984	19,600	—	Call	Defined	2021-02-16
No 13F history on record for this holder in this stock.