JANE STREET GROUP, LLC

CIK

1595888

City

NEW YORK

State / Country

Stock

ATEX — Anterix Inc.

Top Portfolio Positions

3,970 positions · $675,363,467,990 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	199,908,899	$130,008,753,375	19.25%
QQQ	Invesco Qqq Trust, Series 1	72,961,946	$42,112,175,991	6.24%
TSLA	Tesla, Inc. Consumer Cyclical	96,307,904	$35,802,463,311	5.30%
NVDA	Nvidia Corp Technology	186,634,816	$32,549,111,909	4.82%
GLD	Spdr Gold Trust	75,600,043	$32,529,942,501	4.82%
META	Meta Platforms, Inc. Communication Services	35,584,342	$20,358,869,587	3.01%
MU	Micron Technology Inc Technology	44,692,337	$15,098,859,131	2.24%
MSFT	Microsoft Corp Technology	39,450,469	$14,603,380,108	2.16%
AMZN	Amazon Com Inc Consumer Cyclical	67,664,445	$14,092,473,959	2.09%
AAPL	Apple Inc. Technology	49,649,392	$12,600,519,193	1.87%

Portfolio Trend

25 quarters · across all stocks

Holdings in ATEX

Compact Export CSV

Shares Held

Position Value (USD)

32 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$782,895	20,500	+13.3%	Call	Defined	2026-05-12
2026-03-31	$691,239	18,100	-95.7%	Put	Defined	2026-05-12
2026-03-31	$16,072,527	420,857	+4066.9%	Shares	Defined	2026-05-12
2025-12-31	$220,483	10,100	-93.6%	Put	Defined	2026-02-12
2025-12-31	$3,471,274	159,014	+276.1%	Shares	Defined	2026-02-12
2025-09-30	$907,814	42,283	+213.2%	Shares	Defined	2025-11-14
2025-09-30	$289,845	13,500	-71.3%	Call	Defined	2025-11-14
2025-06-30	$1,208,115	47,100	+613.6%	Call	Defined	2025-08-14
2025-03-31	$241,560	6,600	-55.4%	Call	Defined	2025-05-19
2025-03-31	$541,680	14,800	-67.1%	Put	Defined	2025-05-19
2025-03-31	$1,648,024	45,028	+13.2%	Shares	Defined	2025-05-19
2024-12-31	$1,220,389	39,791	-69.1%	Shares	Defined	2025-02-14
2024-09-30	$4,854,071	128,892	+122.9%	Shares	Defined	2024-11-15
2024-06-30	$2,289,607	57,833	+202.7%	Shares	Defined	2024-08-15
2024-03-31	$642,219	19,108	-42.1%	Shares	Defined	2024-05-16
2023-12-31	$1,099,425	32,996	-68.0%	Shares	Defined	2024-02-15
2023-09-30	$3,231,919	102,993	+294.0%	Shares	Defined	2023-11-15
2023-06-30	$828,408	26,141	-33.4%	Shares	Defined	2023-08-14
2023-03-31	$1,296,654	39,245	-8.9%	Shares	Defined	2023-05-16
2022-12-31	$1,385,174	43,058	+178.8%	Shares	Defined	2023-02-15
2022-09-30	$551,730	15,446	+195.9%	Shares	Defined	2022-11-15
2021-09-30	$316,853	5,220	-29.5%	Shares	Defined	2021-11-16
2021-06-30	$443,926	7,400	-71.8%	Put	Defined	2021-08-16
2021-06-30	$1,571,738	26,200	+38.9%	Call	Defined	2021-08-16
2021-06-30	$1,131,410	18,860	-61.0%	Shares	Defined	2021-08-16
2021-03-31	$2,282,544	48,400	+158.7%	Put	Defined	2021-05-18
2021-03-31	$882,363	18,710	+23.9%	Shares	Defined	2021-05-18
2021-03-31	$712,116	15,100	-52.9%	Call	Defined	2021-05-18
2020-09-30	$1,047,929	32,037	-71.1%	Shares	Defined	2020-11-17
2020-09-30	$3,620,997	110,700	+98.4%	Call	Defined	2020-11-17
2020-06-30	$2,529,652	55,793	-37.4%	Shares	Defined	2020-08-17
2020-06-30	$4,039,794	89,100	—	Call	Defined	2020-08-17
No 13F history on record for this holder in this stock.