JANE STREET GROUP, LLC

CIK

1595888

City

NEW YORK

State / Country

Stock

IRM — Iron Mountain 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 IRM

Compact Export CSV

Shares Held

Position Value (USD)

50 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$72,258,023	707,441	+1289.9%	Shares	Defined	2026-05-12
2026-03-31	$5,198,926	50,900	-24.9%	Call	Defined	2026-05-12
2026-03-31	$6,925,092	67,800	+50.7%	Put	Defined	2026-05-12
2025-12-31	$3,732,750	45,000	+50.0%	Call	Defined	2026-02-12
2025-12-31	$2,488,500	30,000	-17.1%	Put	Defined	2026-02-12
2025-09-30	$3,690,228	36,200	-1.9%	Put	Defined	2025-11-14
2025-09-30	$3,761,586	36,900	-25.5%	Call	Defined	2025-11-14
2025-06-30	$5,077,215	49,500	+112.4%	Call	Defined	2025-08-14
2025-06-30	$2,389,881	23,300	-84.5%	Put	Defined	2025-08-14
2025-06-30	$15,371,549	149,864	+271.9%	Shares	Defined	2025-08-14
2025-03-31	$3,467,412	40,300	-19.0%	Call	Defined	2025-05-19
2025-03-31	$4,282,554	49,774	-56.3%	Shares	Defined	2025-05-19
2025-03-31	$9,799,956	113,900	+769.5%	Put	Defined	2025-05-19
2024-12-31	$1,376,941	13,100	-83.1%	Put	Defined	2025-02-14
2024-12-31	$8,156,536	77,600	+288.7%	Call	Defined	2025-02-14
2024-12-31	$2,098,626	19,966	-57.9%	Shares	Defined	2025-02-14
2024-09-30	$5,630,640	47,384	-60.3%	Shares	Defined	2024-11-15
2024-09-30	$14,188,302	119,400	+100.3%	Call	Defined	2024-11-15
2024-09-30	$7,082,268	59,600	-86.7%	Put	Defined	2024-11-15
2024-06-30	$40,161,858	448,135	+124.7%	Shares	Defined	2024-08-15
2024-03-31	$15,999,728	199,473	+314.3%	Shares	Defined	2024-05-16
2023-12-31	$3,369,397	48,148	-78.5%	Shares	Defined	2024-02-15
2023-09-30	$13,327,382	224,178	+245.5%	Shares	Defined	2023-11-15
2023-06-30	$3,686,652	64,883	+1128.1%	Shares	Defined	2023-08-14
2023-03-31	$279,523	5,283	-54.6%	Shares	Defined	2023-05-16
2022-12-31	$580,602	11,647	-87.6%	Shares	Defined	2023-02-15
2022-09-30	$4,123,374	93,777	+248.3%	Shares	Defined	2022-11-15
2022-06-30	$1,310,783	26,921	-65.7%	Shares	Defined	2022-08-16
2022-03-31	$4,355,226	78,600	-23.2%	Put	Defined	2022-05-17
2022-03-31	$5,673,762	102,396	-47.1%	Shares	Defined	2022-05-17
2022-03-31	$10,721,835	193,500	+66.7%	Call	Defined	2022-05-17
2021-12-31	$6,075,513	116,100	+103.7%	Call	Defined	2022-02-15
2021-12-31	$2,982,810	57,000	-28.4%	Put	Defined	2022-02-15
2021-12-31	$4,163,950	79,571	-20.4%	Shares	Defined	2022-02-15
2021-09-30	$4,345,000	100,000	+61.0%	Call	Defined	2021-11-16
2021-09-30	$2,698,245	62,100	+101.1%	Put	Defined	2021-11-16
2021-09-30	$1,341,779	30,881	-35.1%	Shares	Defined	2021-11-16
2021-06-30	$2,014,220	47,595	-40.4%	Shares	Defined	2021-08-16
2021-06-30	$3,381,368	79,900	-48.7%	Put	Defined	2021-08-16
2021-06-30	$6,589,224	155,700	-65.3%	Call	Defined	2021-08-16
2021-03-31	$16,617,934	449,012	+231.6%	Shares	Defined	2021-05-18
2021-03-31	$5,011,154	135,400	-54.5%	Put	Defined	2021-05-18
2021-03-31	$11,014,176	297,600	+365.7%	Call	Defined	2021-05-18
2020-12-31	$1,883,772	63,900	+10.9%	Put	Defined	2021-02-17
2020-12-31	$1,698,048	57,600	-35.8%	Call	Defined	2021-02-17
2020-09-30	$2,403,063	89,700	+239.9%	Put	Defined	2020-11-17
2020-09-30	$707,068	26,393	-63.1%	Shares	Defined	2020-11-17
2020-09-30	$1,915,485	71,500	-39.2%	Call	Defined	2020-11-17
2020-06-30	$3,069,360	117,600	-63.8%	Put	Defined	2020-08-17
2020-06-30	$8,474,670	324,700	—	Call	Defined	2020-08-17
No 13F history on record for this holder in this stock.