JANE STREET GROUP, LLC

CIK

1595888

City

NEW YORK

State / Country

Stock

BWXT — BWX Technologies, 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 BWXT

Compact Export CSV

Shares Held

Position Value (USD)

45 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,199,947	5,868	-86.3%	Shares	Defined	2026-05-12
2026-03-31	$8,731,723	42,700	-95.9%	Put	Defined	2026-05-12
2026-03-31	$211,401,762	1,033,800	-0.3%	Call	Defined	2026-05-12
2025-12-31	$179,131,376	1,036,400	+286.3%	Call	Defined	2026-02-12
2025-12-31	$46,374,699	268,310	+1275.9%	Shares	Defined	2026-02-12
2025-12-31	$3,370,380	19,500	-16.7%	Put	Defined	2026-02-12
2025-09-30	$4,314,258	23,400	-56.4%	Put	Defined	2025-11-14
2025-09-30	$9,902,327	53,709	-8.0%	Shares	Defined	2025-11-14
2025-09-30	$10,767,208	58,400	-23.8%	Call	Defined	2025-11-14
2025-06-30	$11,034,996	76,600	+92.9%	Call	Defined	2025-08-14
2025-06-30	$5,719,182	39,700	-63.4%	Put	Defined	2025-08-14
2025-03-31	$10,693,660	108,400	+428.8%	Call	Defined	2025-05-19
2025-03-31	$2,022,325	20,500	-90.9%	Put	Defined	2025-05-19
2025-03-31	$22,170,106	224,735	+134.6%	Shares	Defined	2025-05-19
2024-12-31	$10,671,162	95,800	-3.8%	Call	Defined	2025-02-14
2024-12-31	$11,088,316	99,545	+172.0%	Shares	Defined	2025-02-14
2024-12-31	$4,076,874	36,600	+9.9%	Put	Defined	2025-02-14
2024-09-30	$3,619,057	33,294	-2.4%	Shares	Defined	2024-11-15
2024-09-30	$3,706,670	34,100	+71.3%	Call	Defined	2024-11-15
2024-06-30	$1,890,690	19,902	-60.8%	Shares	Defined	2024-08-15
2024-03-31	$5,206,116	50,732	-50.0%	Shares	Defined	2024-05-16
2023-12-31	$7,779,654	101,390	-14.2%	Shares	Defined	2024-02-15
2023-09-30	$8,856,411	118,117	-84.7%	Shares	Defined	2023-11-15
2023-06-30	$55,121,210	770,172	+12013.4%	Shares	Defined	2023-08-14
2022-09-30	$320,252	6,358	-81.0%	Shares	Defined	2022-11-15
2022-06-30	$1,845,735	33,504	-27.9%	Shares	Defined	2022-08-16
2022-03-31	$2,501,527	46,445	+573.1%	Shares	Defined	2022-05-17
2022-03-31	$371,634	6,900	-80.4%	Call	Defined	2022-05-17
2022-03-31	$1,895,872	35,200	-92.8%	Put	Defined	2022-05-17
2021-12-31	$23,480,782	490,409	+1032.6%	Shares	Defined	2022-02-15
2021-12-31	$2,073,204	43,300	+333.0%	Put	Defined	2022-02-15
2021-12-31	$478,800	10,000	+78.6%	Call	Defined	2022-02-15
2021-09-30	$301,616	5,600	+19.0%	Put	Defined	2021-11-16
2021-09-30	$253,465	4,706	-43.2%	Shares	Defined	2021-11-16
2021-06-30	$481,524	8,285	+92.7%	Shares	Defined	2021-08-16
2021-06-30	$249,916	4,300	-65.6%	Put	Defined	2021-08-16
2021-06-30	$726,500	12,500	+228.9%	Call	Defined	2021-08-16
2021-03-31	$250,572	3,800	-54.2%	Call	Defined	2021-05-18
2021-03-31	$547,302	8,300	+69.4%	Put	Defined	2021-05-18
2020-12-31	$295,372	4,900	+11.4%	Call	Defined	2021-02-17
2020-12-31	$265,232	4,400	-35.7%	Put	Defined	2021-02-17
2020-12-31	$412,676	6,846	-50.1%	Shares	Defined	2021-02-17
2020-09-30	$772,065	13,711	-5.4%	Shares	Defined	2020-11-17
2020-09-30	$816,495	14,500	-49.3%	Put	Defined	2020-11-17
2020-03-31	$1,392,813	28,594	—	Shares	Defined	2020-05-15
No 13F history on record for this holder in this stock.