CITADEL ADVISORS LLC

CIK

1423053

City

MIAMI

State / Country

Stock

MSB — Mesabi Trust

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

24 quarters · across all stocks

Holdings in MSB

Compact Export CSV

Shares Held

Position Value (USD)

50 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,042,650	33,100	+329.7%	Call	Defined	2026-05-15
2025-12-31	$296,719	7,703	+7.3%	Shares	Defined	2026-02-17
2025-09-30	$210,041	7,176	-40.6%	Shares	Defined	2025-11-14
2025-06-30	$289,364	12,077	+425.1%	Shares	Defined	2025-08-14
2025-03-31	$62,560	2,300	-77.5%	Call	Defined	2025-05-15
2025-03-31	$277,440	10,200	+75.9%	Put	Defined	2025-05-15
2024-09-30	$131,370	5,800	+87.1%	Call	Defined	2024-11-14
2024-09-30	$70,215	3,100	+520.0%	Put	Defined	2024-11-14
2024-09-30	$11,325	500	-94.2%	Shares	Defined	2024-11-14
2024-06-30	$147,987	8,589	+132.1%	Shares	Defined	2024-08-14
2024-06-30	$63,751	3,700	-24.5%	Call	Defined	2024-08-14
2024-06-30	$84,427	4,900	-61.4%	Put	Defined	2024-08-14
2024-03-31	$224,736	12,697	+195.3%	Shares	Defined	2024-05-15
2024-03-31	$76,110	4,300	+22.9%	Put	Defined	2024-05-15
2024-03-31	$61,950	3,500	+66.7%	Call	Defined	2024-05-15
2023-12-31	$42,987	2,100	-85.1%	Put	Defined	2024-02-14
2023-12-31	$287,951	14,067	+227.1%	Shares	Defined	2024-02-14
2023-12-31	$88,021	4,300	+26.5%	Call	Defined	2024-02-14
2023-09-30	$68,238	3,400	-22.7%	Put	Defined	2023-11-14
2023-09-30	$88,308	4,400	-68.9%	Call	Defined	2023-11-14
2023-09-30	$284,230	14,162	+4.1%	Shares	Defined	2023-11-14
2023-06-30	$277,576	13,600	+166.7%	Put	Defined	2023-08-14
2023-06-30	$104,091	5,100	-61.0%	Call	Defined	2023-08-14
2023-06-30	$267,085	13,086	-9.8%	Shares	Defined	2023-08-14
2023-03-31	$365,110	14,500	-4.0%	Put	Defined	2023-05-15
2023-03-31	$380,218	15,100	-0.7%	Call	Defined	2023-05-15
2022-12-31	$273,904	15,200	+176.4%	Put	Defined	2023-02-14
2022-12-31	$99,110	5,500	-85.0%	Call	Defined	2023-02-14
2022-12-31	$661,550	36,712	+74.8%	Shares	Defined	2023-02-14
2022-09-30	$451,710	21,000	+83.6%	Put	Defined	2022-11-14
2022-09-30	$245,988	11,436	-7.0%	Shares	Defined	2022-11-14
2022-06-30	$301,596	12,300	+12.8%	Put	Defined	2022-08-15
2022-06-30	$267,268	10,900	-51.3%	Call	Defined	2022-08-15
2022-03-31	$596,736	22,400	-0.9%	Put	Defined	2022-05-16
2022-03-31	$602,064	22,600	+131.7%	Call	Defined	2022-05-16
2022-03-31	$259,899	9,756	-16.8%	Shares	Defined	2022-05-16
2021-12-31	$309,853	11,728	-14.4%	Shares	Defined	2022-02-14
2021-12-31	$361,954	13,700	-49.3%	Put	Defined	2022-02-14
2021-12-31	$713,340	27,000	+280.3%	Call	Defined	2022-02-14
2021-09-30	$210,941	7,100	-7.8%	Put	Defined	2021-11-15
2021-09-30	$228,796	7,701	-61.3%	Shares	Defined	2021-11-15
2021-09-30	$591,229	19,900	+4.2%	Call	Defined	2021-11-15
2021-06-30	$676,140	19,100	+92.3%	Call	Defined	2021-08-16
2020-12-31	$278,536	9,930	-45.7%	Shares	Defined	2021-02-16
2020-12-31	$513,315	18,300	+1.7%	Call	Defined	2021-02-16
2020-12-31	$504,900	18,000	+1.7%	Put	Defined	2021-02-16
2020-09-30	$375,594	17,700	+20.4%	Call	Defined	2020-11-16
2020-09-30	$311,934	14,700	+41.3%	Put	Defined	2020-11-16
2020-06-30	$182,104	10,400	-50.5%	Put	Defined	2020-08-14
2020-06-30	$367,710	21,000	—	Call	Defined	2020-08-14
No 13F history on record for this holder in this stock.