JANE STREET GROUP, LLC

CIK

1595888

City

NEW YORK

State / Country

Stock

PRTA — Prothena Corp Public Ltd Co

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 PRTA

Compact Export CSV

Shares Held

Position Value (USD)

38 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,049,039	107,926	+9.6%	Shares	Defined	2026-05-12
2026-03-31	$957,420	98,500	+123.9%	Call	Defined	2026-05-12
2026-03-31	$427,680	44,000	-67.7%	Put	Defined	2026-05-12
2025-12-31	$1,299,755	136,100	-68.2%	Put	Defined	2026-02-12
2025-12-31	$4,093,615	428,651	+217.5%	Shares	Defined	2026-02-12
2025-12-31	$1,289,250	135,000	-24.5%	Call	Defined	2026-02-12
2025-09-30	$1,746,064	178,900	-71.1%	Put	Defined	2025-11-14
2025-09-30	$6,049,169	619,792	+669.9%	Shares	Defined	2025-11-14
2025-09-30	$785,680	80,500	+43.2%	Call	Defined	2025-11-14
2025-06-30	$341,134	56,200	-60.7%	Call	Defined	2025-08-14
2025-06-30	$868,010	143,000	+21.8%	Put	Defined	2025-08-14
2025-06-30	$712,939	117,453	-11.4%	Shares	Defined	2025-08-14
2025-03-31	$1,641,419	132,640	+840.7%	Shares	Defined	2025-05-19
2025-03-31	$174,487	14,100	-74.6%	Call	Defined	2025-05-19
2024-12-31	$769,061	55,528	+93.5%	Shares	Defined	2025-02-14
2024-12-31	$397,495	28,700	+149.6%	Call	Defined	2025-02-14
2024-09-30	$192,395	11,500	-88.0%	Call	Defined	2024-11-15
2024-09-30	$1,596,776	95,444	-21.4%	Shares	Defined	2024-11-15
2024-06-30	$2,507,037	121,465	+123.3%	Shares	Defined	2024-08-15
2024-03-31	$1,347,388	54,396	-70.6%	Shares	Defined	2024-05-16
2023-12-31	$6,729,985	185,195	+2860.3%	Shares	Defined	2024-02-15
2023-09-30	$301,852	6,256	-88.3%	Shares	Defined	2023-11-15
2023-06-30	$3,651,273	53,475	+175.7%	Shares	Defined	2023-08-14
2023-03-31	$939,978	19,393	-22.9%	Shares	Defined	2023-05-16
2022-06-30	$683,310	25,168	-64.5%	Shares	Defined	2022-08-16
2022-03-31	$2,592,813	70,900	+399.3%	Call	Defined	2022-05-17
2022-03-31	$519,294	14,200	-51.9%	Put	Defined	2022-05-17
2021-12-31	$1,457,300	29,500	+360.9%	Call	Defined	2022-02-15
2021-12-31	$316,160	6,400	-30.2%	Put	Defined	2022-02-15
2021-12-31	$452,899	9,168	-78.4%	Shares	Defined	2022-02-15
2021-09-30	$3,027,275	42,500	-60.5%	Put	Defined	2021-11-16
2021-09-30	$7,664,348	107,600	+731.0%	Call	Defined	2021-11-16
2021-09-30	$922,357	12,949	-61.3%	Shares	Defined	2021-11-16
2021-06-30	$1,722,235	33,500	-63.2%	Put	Defined	2021-08-16
2021-06-30	$4,678,310	91,000	+143.3%	Call	Defined	2021-08-16
2021-03-31	$939,488	37,400	+58.5%	Call	Defined	2021-05-18
2020-09-30	$235,684	23,592	-47.5%	Shares	Defined	2020-11-17
2020-06-30	$469,654	44,900	—	Shares	Defined	2020-08-17
No 13F history on record for this holder in this stock.