Stocks
CTSO
CITADEL ADVISORS LLC

CITADEL ADVISORS LLC

CIK

1423053

City

MIAMI

State / Country

Stock

CTSO — Cytosorbents Corp

Top Portfolio Positions

4,239 positions · $547,092,820,445 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	7.68%
QQQ	Invesco Qqq Trust, Series 1	55,171,964	$31,844,154,181	5.82%
NVDA	Nvidia Corp Technology	137,243,161	$23,935,207,278	4.37%
TSLA	Tesla, Inc. Consumer Cyclical	63,922,509	$23,763,192,720	4.34%
GLD	Spdr Gold Trust	34,441,722	$14,819,928,559	2.71%
AAPL	Apple Inc. Technology	55,393,070	$14,058,207,235	2.57%
META	Meta Platforms, Inc. Communication Services	23,967,037	$13,712,260,878	2.51%
MSFT	Microsoft Corp Technology	32,176,424	$11,910,746,871	2.18%
AMZN	Amazon Com Inc Consumer Cyclical	51,582,437	$10,743,074,153	1.96%
MU	Micron Technology Inc Technology	31,629,772	$10,685,802,171	1.95%

Portfolio Trend

37 quarters · across all stocks

Holdings in CTSO

Compact Export CSV

Shares Held

Position Value (USD)

44 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,112	10,799	-92.8%	Shares	Defined	2026-05-15
2025-12-31	$95,389	149,279	+127.2%	Shares	Defined	2026-02-17
2025-09-30	$61,354	65,690	+127.3%	Shares	Defined	2025-11-14
2025-06-30	$36,992	28,900	+253.2%	Call	Defined	2025-08-14
2025-03-31	$8,183	8,183	+1.0%	Shares	Defined	2025-05-15
2025-03-31	$8,100	8,100	+17.4%	Call	Defined	2025-05-15
2025-03-31	$6,900	6,900	-56.9%	Put	Defined	2025-05-15
2024-12-31	$14,560	16,000	-45.0%	Call	Defined	2025-02-14
2024-09-30	$43,630	29,087	+88.9%	Shares	Defined	2024-11-14
2024-09-30	$23,100	15,400	+52.5%	Call	Defined	2024-11-14
2024-06-30	$7,100	10,100	+1920.0%	Call	Defined	2024-08-14
2024-06-30	$351	500	-76.2%	Put	Defined	2024-08-14
2023-09-30	$3,948	2,100	-93.2%	Put	Defined	2023-11-14
2023-09-30	$57,693	30,688	+1294.9%	Shares	Defined	2023-11-14
2023-09-30	$4,136	2,200	+22.2%	Call	Defined	2023-11-14
2023-06-30	$6,462	1,800	-88.8%	Put	Defined	2023-08-14
2023-06-30	$57,799	16,100	-57.4%	Call	Defined	2023-08-14
2023-06-30	$135,705	37,801	+306.5%	Shares	Defined	2023-08-14
2023-03-31	$31,341	9,300	-29.5%	Put	Defined	2023-05-15
2023-03-31	$44,457	13,192	-13.2%	Shares	Defined	2023-05-15
2023-03-31	$51,224	15,200	-88.0%	Call	Defined	2023-05-15
2022-06-30	$277,905	126,898	+461.4%	Shares	Defined	2022-08-15
2022-03-31	$72,099	22,602	+8.5%	Shares	Defined	2022-05-16
2021-12-31	$87,243	20,822	+60.2%	Shares	Defined	2022-02-14
2021-09-30	$105,560	13,000	-78.9%	Put	Defined	2021-11-15
2021-09-30	$499,842	61,557	+95.9%	Shares	Defined	2021-11-15
2021-06-30	$237,182	31,415	+14.2%	Shares	Defined	2021-08-16
2021-06-30	$207,625	27,500	-35.7%	Call	Defined	2021-08-16
2021-06-30	$323,140	42,800	+135.2%	Put	Defined	2021-08-16
2021-03-31	$157,976	18,200	-23.0%	Call	Defined	2021-05-21
2021-03-31	$205,177	23,638	-31.1%	Shares	Defined	2021-05-21
2021-03-31	$297,724	34,300	-50.4%	Put	Defined	2021-05-21
2020-12-31	$551,571	69,206	+405.2%	Shares	Defined	2021-02-16
2020-12-31	$109,189	13,700	-33.8%	Call	Defined	2021-02-16
2020-12-31	$164,979	20,700	-36.5%	Put	Defined	2021-02-16
2020-09-30	$259,985	32,600	-74.9%	Call	Defined	2020-11-16
2020-09-30	$1,035,178	129,803	+324.2%	Shares	Defined	2020-11-16
2020-09-30	$244,035	30,600	-68.0%	Put	Defined	2020-11-16
2020-06-30	$946,826	95,639	+96.0%	Shares	Defined	2020-08-14
2020-06-30	$483,120	48,800	+10.4%	Call	Defined	2020-08-14
2020-06-30	$437,580	44,200	+323.1%	Put	Defined	2020-08-14
2020-03-31	$80,755	10,447	-68.6%	Shares	Defined	2020-05-15
2020-03-31	$257,409	33,300	+32.7%	Call	Defined	2020-05-15
2020-03-31	$194,023	25,100	—	Put	Defined	2020-05-15
No 13F history on record for this holder in this stock.