CITADEL ADVISORS LLC

CIK

1423053

City

MIAMI

State / Country

Stock

CERS — Cerus Corp

Top Portfolio Positions

4,258 positions · $547,099,389,428 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	7.67%
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

25 quarters · across all stocks

Holdings in CERS

Compact Export CSV

Shares Held

Position Value (USD)

50 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2020-03-31	$1,250,770	268,983	+860.7%	Shares	Defined	2020-05-15
2020-03-31	$130,200	28,000	+141.4%	Put	Defined	2020-05-15
2020-03-31	$53,940	11,600	-77.6%	Call	Defined	2020-05-15
2020-06-30	$341,880	51,800	+46.3%	Call	Defined	2020-08-14
2020-06-30	$233,640	35,400	+160.2%	Put	Defined	2020-08-14
2020-06-30	$89,806	13,607	-67.1%	Shares	Defined	2020-08-14
2020-09-30	$259,164	41,400	+8.7%	Call	Defined	2020-11-16
2020-09-30	$238,380	38,080	-10.2%	Shares	Defined	2020-11-16
2020-09-30	$265,424	42,400	+50.4%	Put	Defined	2020-11-16
2020-12-31	$195,144	28,200	-16.3%	Put	Defined	2021-02-16
2020-12-31	$233,210	33,701	-40.0%	Shares	Defined	2021-02-16
2020-12-31	$388,904	56,200	+10.8%	Call	Defined	2021-02-16
2021-03-31	$304,707	50,700	-83.7%	Call	Defined	2021-05-21
2021-03-31	$1,873,869	311,792	+421.4%	Shares	Defined	2021-05-21
2021-03-31	$359,398	59,800	-89.6%	Put	Defined	2021-05-21
2021-06-30	$3,382,268	572,296	+751.6%	Shares	Defined	2021-08-16
2021-06-30	$397,152	67,200	+82.1%	Put	Defined	2021-08-16
2021-06-30	$218,079	36,900	-54.5%	Call	Defined	2021-08-16
2021-09-30	$493,899	81,100	+35.6%	Put	Defined	2021-11-15
2021-09-30	$364,182	59,800	-91.5%	Call	Defined	2021-11-15
2021-09-30	$4,281,677	703,067	+33.3%	Shares	Defined	2021-11-15
2021-12-31	$3,591,259	527,351	+910.3%	Shares	Defined	2022-02-14
2021-12-31	$355,482	52,200	-22.0%	Put	Defined	2022-02-14
2021-12-31	$455,589	66,900	+51.4%	Call	Defined	2022-02-14
2022-03-31	$242,658	44,200	+188.9%	Call	Defined	2022-05-16
2022-03-31	$83,997	15,300	-97.9%	Put	Defined	2022-05-16
2022-03-31	$3,923,795	714,717	+444.0%	Shares	Defined	2022-05-16
2022-06-30	$695,020	131,384	+178.4%	Shares	Defined	2022-08-15
2022-06-30	$249,688	47,200	-62.1%	Call	Defined	2022-08-15
2022-06-30	$658,605	124,500	-48.0%	Put	Defined	2022-08-15
2022-09-30	$862,595	239,610	+84.3%	Shares	Defined	2022-11-14
2022-09-30	$468,000	130,000	+472.7%	Put	Defined	2022-11-14
2022-09-30	$81,720	22,700	-94.3%	Call	Defined	2022-11-14
2022-12-31	$1,442,965	395,333	+808.8%	Shares	Defined	2023-02-14
2022-12-31	$158,775	43,500	-2.7%	Call	Defined	2023-02-14
2022-12-31	$163,155	44,700	-36.8%	Put	Defined	2023-02-14
2023-03-31	$209,979	70,700	+157.1%	Call	Defined	2023-05-15
2023-03-31	$81,675	27,500	-67.5%	Put	Defined	2023-05-15
2023-03-31	$251,133	84,557	+210.9%	Shares	Defined	2023-05-15
2023-06-30	$66,912	27,200	-97.2%	Call	Defined	2023-08-14
2023-06-30	$2,408,219	978,951	+4584.0%	Shares	Defined	2023-08-14
2023-06-30	$51,414	20,900	-99.1%	Put	Defined	2023-08-14
2023-09-30	$3,830,058	2,364,234	+9433.2%	Shares	Defined	2023-11-14
2023-09-30	$40,176	24,800	+98.4%	Put	Defined	2023-11-14
2023-09-30	$20,250	12,500	-99.5%	Call	Defined	2023-11-14
2023-12-31	$5,495,210	2,544,079	+26400.8%	Shares	Defined	2024-02-14
2023-12-31	$20,736	9,600	-69.0%	Call	Defined	2024-02-14
2023-12-31	$66,960	31,000	-97.4%	Put	Defined	2024-02-14
2024-03-31	$2,245,390	1,188,038	+10603.0%	Shares	Defined	2024-05-15
2024-03-31	$20,979	11,100	—	Call	Defined	2024-05-15
No 13F history on record for this holder in this stock.