JANE STREET GROUP, LLC

CIK

1595888

City

NEW YORK

State / Country

Stock

EBS — Emergent BioSolutions Inc.

Top Portfolio Positions

3,967 positions · $676,662,655,548 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	19.21%
QQQ	Invesco Qqq Trust, Series 1	72,961,946	$42,112,175,991	6.22%
TSLA	Tesla, Inc. Consumer Cyclical	96,307,904	$35,802,463,311	5.29%
NVDA	Nvidia Corp Technology	186,634,816	$32,549,111,909	4.81%
GLD	Spdr Gold Trust	75,600,043	$32,529,942,501	4.81%
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	2.23%
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	2.08%
AAPL	Apple Inc. Technology	49,649,392	$12,600,519,193	1.86%

Portfolio Trend

25 quarters · across all stocks

Holdings in EBS

Compact Export CSV

Shares Held

Position Value (USD)

48 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$588,470	70,900	-39.6%	Call	Defined	2026-05-12
2026-03-31	$973,714	117,315	+885.8%	Shares	Defined	2026-05-12
2026-03-31	$98,770	11,900	-97.0%	Put	Defined	2026-05-12
2025-12-31	$4,887,848	395,457	+118.5%	Shares	Defined	2026-02-12
2025-12-31	$2,237,160	181,000	+250.8%	Call	Defined	2026-02-12
2025-12-31	$637,776	51,600	-89.6%	Put	Defined	2026-02-12
2025-09-30	$4,395,006	498,300	+869.5%	Call	Defined	2025-11-14
2025-09-30	$453,348	51,400	+10.3%	Put	Defined	2025-11-14
2025-06-30	$297,365	46,609	+98.3%	Shares	Defined	2025-08-14
2025-06-30	$149,930	23,500	-76.8%	Put	Defined	2025-08-14
2025-06-30	$646,932	101,400	+2.0%	Call	Defined	2025-08-14
2025-03-31	$483,033	99,390	+371.0%	Shares	Defined	2025-05-19
2025-03-31	$102,546	21,100	-88.3%	Call	Defined	2025-05-19
2024-12-31	$1,717,596	179,665	+1303.6%	Shares	Defined	2025-02-14
2024-12-31	$122,368	12,800	-55.6%	Call	Defined	2025-02-14
2024-09-30	$240,480	28,800	-80.5%	Call	Defined	2024-11-15
2024-09-30	$1,230,120	147,320	-70.0%	Shares	Defined	2024-11-15
2024-06-30	$3,346,914	490,750	+298.4%	Shares	Defined	2024-08-15
2024-03-31	$311,635	123,176	-50.1%	Shares	Defined	2024-05-16
2023-12-31	$592,840	247,017	-61.4%	Shares	Defined	2024-02-15
2023-09-30	$2,177,451	640,427	+464.9%	Shares	Defined	2023-11-15
2023-06-30	$833,239	113,366	+248.9%	Shares	Defined	2023-08-14
2023-03-31	$336,637	32,494	-3.8%	Shares	Defined	2023-05-16
2022-09-30	$709,314	33,793	-29.0%	Shares	Defined	2022-11-15
2022-03-31	$1,954,414	47,599	+207.1%	Shares	Defined	2022-05-17
2022-03-31	$636,430	15,500	-11.4%	Put	Defined	2022-05-17
2022-03-31	$718,550	17,500	-70.7%	Call	Defined	2022-05-17
2021-12-31	$2,595,679	59,712	+317.6%	Shares	Defined	2022-02-15
2021-12-31	$621,621	14,300	-37.8%	Call	Defined	2022-02-15
2021-12-31	$999,810	23,000	-47.0%	Put	Defined	2022-02-15
2021-09-30	$2,172,686	43,393	+163.0%	Shares	Defined	2021-11-16
2021-09-30	$826,155	16,500	+2.5%	Put	Defined	2021-11-16
2021-09-30	$806,127	16,100	-46.1%	Call	Defined	2021-11-16
2021-06-30	$1,880,062	29,847	-6.7%	Shares	Defined	2021-08-16
2021-06-30	$2,015,680	32,000	+7.4%	Put	Defined	2021-08-16
2021-06-30	$1,877,102	29,800	-5.7%	Call	Defined	2021-08-16
2021-03-31	$2,935,956	31,600	+44.0%	Call	Defined	2021-05-18
2021-03-31	$2,038,538	21,941	+30.6%	Shares	Defined	2021-05-18
2021-03-31	$1,560,888	16,800	-62.9%	Put	Defined	2021-05-18
2020-12-31	$4,058,880	45,300	+29.8%	Call	Defined	2021-02-17
2020-12-31	$3,127,040	34,900	-20.2%	Put	Defined	2021-02-17
2020-12-31	$3,916,235	43,708	+26.6%	Shares	Defined	2021-02-17
2020-09-30	$3,566,951	34,520	+1400.9%	Shares	Defined	2020-11-17
2020-09-30	$237,659	2,300	-78.7%	Put	Defined	2020-11-17
2020-09-30	$1,115,964	10,800	+116.0%	Call	Defined	2020-11-17
2020-06-30	$395,400	5,000	-88.8%	Call	Defined	2020-08-17
2020-06-30	$3,533,926	44,688	+722.4%	Shares	Defined	2020-08-17
2020-03-31	$314,411	5,434	—	Shares	Defined	2020-05-15
No 13F history on record for this holder in this stock.