SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK

1446194

City

BALA CYNWYD

State / Country

Stock

MSB — Mesabi Trust

Top Portfolio Positions

4,078 positions · $781,215,670,251 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	190,466,180	$123,867,775,501	15.86%
QQQ	Invesco Qqq Trust, Series 1	82,233,568	$47,463,570,778	6.08%
NVDA	Nvidia Corp Technology	182,947,844	$31,906,103,992	4.08%
TSLA	Tesla, Inc. Consumer Cyclical	81,497,621	$30,296,740,606	3.88%
MSFT	Microsoft Corp Technology	52,684,180	$19,502,102,909	2.50%
GLD	Spdr Gold Trust	45,013,678	$19,368,935,506	2.48%
META	Meta Platforms, Inc. Communication Services	31,598,305	$18,078,338,239	2.31%
AAPL	Apple Inc. Technology	63,644,634	$16,152,371,662	2.07%
MU	Micron Technology Inc Technology	45,262,263	$15,291,402,931	1.96%
TSM	Taiwan Semiconductor Manufacturing Co Ltd Technology	37,381,760	$12,633,165,791	1.62%

Portfolio Trend

25 quarters · across all stocks

Holdings in MSB

Compact Export CSV

Shares Held

Position Value (USD)

32 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$494,550	15,700	-7.1%	Put	Other	2026-05-15
2025-12-31	$650,988	16,900	-2.3%	Put	Other	2026-02-17
2025-12-31	$666,396	17,300	+71.3%	Call	Other	2026-02-17
2025-09-30	$295,627	10,100	-31.8%	Put	Other	2025-11-14
2024-12-31	$416,028	14,800	-38.3%	Call	Other	2025-02-14
2024-09-30	$543,600	24,000	-33.7%	Put	Defined	2024-11-14
2024-09-30	$819,477	36,180	+146.1%	Shares	Defined	2024-11-14
2024-03-31	$260,190	14,700	+18.9%	Call	Defined	2024-05-07
2023-12-31	$253,029	12,361	-21.3%	Shares	Defined	2024-02-14
2023-12-31	$321,379	15,700	-9.8%	Call	Defined	2024-02-14
2023-09-30	$349,218	17,400	-47.0%	Call	Defined	2023-11-14
2023-06-30	$669,448	32,800	-6.6%	Call	Defined	2023-08-11
2023-03-31	$883,818	35,100	+227.8%	Call	Defined	2023-05-16
2023-03-31	$269,602	10,707	-81.9%	Shares	Defined	2023-05-16
2022-12-31	$1,064,982	59,100	+0.5%	Call	Defined	2023-02-14
2022-09-30	$1,264,788	58,800	+48.9%	Call	Defined	2022-11-14
2022-06-30	$968,540	39,500	+338.9%	Call	Defined	2022-08-15
2022-03-31	$239,760	9,000	-29.1%	Put	Defined	2022-05-16
2022-03-31	$338,328	12,700	-76.7%	Call	Defined	2022-05-16
2021-12-31	$1,437,248	54,400	+303.0%	Call	Defined	2022-04-05
2021-09-30	$401,085	13,500	+45.2%	Put	Defined	2021-11-15
2021-06-30	$329,220	9,300	-85.8%	Put	Defined	2021-08-11
2021-06-30	$2,325,780	65,700	+53.8%	Call	Defined	2021-08-11
2021-03-31	$1,284,536	42,704	+160.4%	Shares	Defined	2021-05-17
2021-03-31	$493,312	16,400	-77.0%	Call	Defined	2021-05-17
2020-12-31	$1,997,160	71,200	+163.9%	Call	Defined	2021-03-26
2020-12-31	$756,704	26,977	-68.8%	Shares	Defined	2021-03-26
2020-09-30	$1,837,652	86,600	+191.6%	Call	Defined	2020-11-16
2020-06-30	$520,047	29,700	-48.7%	Put	Defined	2020-08-14
2020-06-30	$1,013,829	57,900	+101.8%	Call	Defined	2020-08-14
2020-03-31	$410,195	28,685	-10.9%	Shares	Defined	2020-05-15
2020-03-31	$460,460	32,200	—	Put	Defined	2020-05-15
No 13F history on record for this holder in this stock.