JANE STREET GROUP, LLC

CIK

1595888

City

NEW YORK

State / Country

Stock

PRLB — Proto Labs 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 PRLB

Compact Export CSV

Shares Held

Position Value (USD)

43 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,270,381	57,355	+769.0%	Shares	Defined	2026-05-12
2026-03-31	$376,332	6,600	+11.9%	Call	Defined	2026-05-12
2025-12-31	$298,481	5,900	-94.7%	Call	Defined	2026-02-12
2025-12-31	$5,595,000	110,595	+69.9%	Shares	Defined	2026-02-12
2025-09-30	$3,256,451	65,090	-14.8%	Shares	Defined	2025-11-14
2025-06-30	$3,060,096	76,426	+594.8%	Shares	Defined	2025-08-14
2025-06-30	$440,440	11,000	+3.8%	Call	Defined	2025-08-14
2025-03-31	$371,424	10,600	-85.8%	Call	Defined	2025-05-19
2025-03-31	$2,613,773	74,594	+28.7%	Shares	Defined	2025-05-19
2024-12-31	$2,265,459	57,955	-40.6%	Shares	Defined	2025-02-14
2024-09-30	$2,867,186	97,623	+107.4%	Shares	Defined	2024-11-15
2024-06-30	$1,453,899	47,067	+79.8%	Shares	Defined	2024-08-15
2023-12-31	$1,019,621	26,171	-35.0%	Shares	Defined	2024-02-15
2023-06-30	$1,408,048	40,276	+399.6%	Shares	Defined	2023-08-14
2023-03-31	$267,222	8,061	-92.6%	Shares	Defined	2023-05-16
2022-12-31	$2,791,220	109,331	+320.2%	Shares	Defined	2023-02-15
2022-09-30	$947,944	26,021	+35.9%	Shares	Defined	2022-11-15
2022-06-30	$916,183	19,151	+1.3%	Shares	Defined	2022-08-16
2022-03-31	$1,000,073	18,905	-42.5%	Shares	Defined	2022-05-17
2022-03-31	$1,740,410	32,900	-1.5%	Put	Defined	2022-05-17
2022-03-31	$1,766,860	33,400	-2.3%	Call	Defined	2022-05-17
2021-12-31	$1,756,170	34,200	+244.2%	Put	Defined	2022-02-15
2021-12-31	$510,264	9,937	-78.0%	Shares	Defined	2022-02-15
2021-12-31	$2,315,885	45,100	+80.4%	Call	Defined	2022-02-15
2021-09-30	$1,665,000	25,000	-60.6%	Call	Defined	2021-11-16
2021-09-30	$4,229,100	63,500	+67.7%	Put	Defined	2021-11-16
2021-09-30	$2,522,407	37,874	-25.0%	Shares	Defined	2021-11-16
2021-06-30	$4,635,900	50,500	+44.7%	Put	Defined	2021-08-16
2021-06-30	$3,203,360	34,895	+24.6%	Shares	Defined	2021-08-16
2021-06-30	$2,570,400	28,000	-55.2%	Call	Defined	2021-08-16
2021-03-31	$7,609,375	62,500	+285.8%	Put	Defined	2021-05-18
2021-03-31	$1,972,350	16,200	-57.8%	Call	Defined	2021-05-18
2021-03-31	$4,670,451	38,361	+51.6%	Shares	Defined	2021-05-18
2020-12-31	$3,881,020	25,300	-54.9%	Put	Defined	2021-02-17
2020-12-31	$8,596,536	56,040	+118.9%	Shares	Defined	2021-02-17
2020-12-31	$3,927,040	25,600	-7.9%	Call	Defined	2021-02-17
2020-09-30	$3,600,100	27,800	-38.5%	Put	Defined	2020-11-17
2020-09-30	$5,856,119	45,221	+69.4%	Shares	Defined	2020-11-17
2020-09-30	$3,457,650	26,700	+53.4%	Call	Defined	2020-11-17
2020-06-30	$1,956,978	17,400	-44.3%	Call	Defined	2020-08-17
2020-06-30	$3,516,036	31,262	+340.3%	Shares	Defined	2020-08-17
2020-06-30	$798,537	7,100	+92.6%	Put	Defined	2020-08-17
2020-03-31	$280,615	3,686	—	Shares	Defined	2020-05-15
No 13F history on record for this holder in this stock.