Ken Griffin Iron Mountain Inc Transaction History

Citadel Advisors LLC

$550 Billion
Q2 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Iron Mountain Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 166,500 shares of IRM stock, worth $15.3 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

166,500

Previous 444,700 62.56%

Holding current value

$15.3 Million

Previous $38.3 Million 55.37%

% of portfolio

0.0%

Previous 0.01%

29 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$76.93 - $105.25 $85.5 Million - $117 Million	-1,112,001 Reduced 88.83%	139,791 $14.3 Million
Q1 2025 May 15, 2025	BUY	$82.79 - $111.31 $53.6 Million - $72.1 Million	647,452 Added 107.13%	1,251,792 $108 Million
Q4 2024 Feb 14, 2025	BUY	$101.62 - $128.14 $54.7 Million - $69 Million	538,470 Added 817.47%	604,340 $63.5 Million
Q3 2024 Nov 14, 2024	BUY	$89.69 - $119.32 $5.91 Million - $7.86 Million	65,870 New	65,870 $7.83 Million
Q1 2024 May 15, 2024	SELL	$65.34 - $81.37 $46.5 Million - $57.9 Million	-711,113 Reduced 35.86%	1,271,739 $102 Million
Q4 2023 Feb 14, 2024	BUY	$57.23 - $70.6 $9.61 Million - $11.9 Million	167,956 Added 9.25%	1,982,852 $139 Million
Q3 2023 Nov 14, 2023	BUY	$57.27 - $64.02 $68.6 Million - $76.7 Million	1,198,132 Added 194.26%	1,814,896 $108 Million
Q2 2023 Aug 14, 2023	BUY	$51.58 - $57.16 $20.7 Million - $23 Million	402,227 Added 187.49%	616,764 $35 Million
Q1 2023 May 15, 2023	SELL	$48.96 - $56.63 $10.6 Million - $12.3 Million	-216,776 Reduced 50.26%	214,537 $11.4 Million
Q4 2022 Feb 14, 2023	BUY	$44.14 - $55.56 $10.7 Million - $13.5 Million	242,403 Added 128.32%	431,313 $21.5 Million
Q3 2022 Nov 14, 2022	SELL	$43.59 - $56.54 $2.37 Million - $3.08 Million	-54,421 Reduced 22.37%	188,910 $8.31 Million
Q2 2022 Aug 15, 2022	BUY	$46.11 - $57.72 $2.95 Million - $3.69 Million	63,873 Added 35.59%	243,331 $11.8 Million
Q1 2022 May 16, 2022	BUY	$42.24 - $55.46 $5.67 Million - $7.44 Million	134,195 Added 296.48%	179,458 $9.94 Million
Q3 2021 Nov 15, 2021	SELL	$42.42 - $49.45 $5.49 Million - $6.39 Million	-129,312 Reduced 74.07%	45,263 $1.97 Million
Q2 2021 Aug 16, 2021	BUY	$37.3 - $47.02 $5.45 Million - $6.87 Million	146,017 Added 511.3%	174,575 $7.39 Million
Q1 2021 May 17, 2021	SELL	$28.0 - $37.28 $9.68 Million - $12.9 Million	-345,708 Reduced 92.37%	28,558 $1.06 Million
Q4 2020 Feb 16, 2021	SELL	$25.49 - $30.38 $15.6 Million - $18.6 Million	-612,537 Reduced 62.07%	374,266 $11 Million
Q3 2020 Nov 16, 2020	BUY	$26.04 - $30.5 $20.6 Million - $24.1 Million	790,476 Added 402.63%	986,803 $26.4 Million
Q2 2020 Aug 14, 2020	BUY	$21.52 - $30.56 $2.77 Million - $3.93 Million	128,746 Added 190.51%	196,327 $5.12 Million
Q1 2020 May 15, 2020	SELL	$22.4 - $34.45 $437,315 - $672,567	-19,523 Reduced 22.41%	67,581 $1.61 Million
Q4 2019 Feb 14, 2020	SELL	$31.39 - $34.37 $5.76 Million - $6.3 Million	-183,354 Reduced 67.79%	87,104 $2.78 Million
Q3 2019 Nov 14, 2019	BUY	$29.41 - $34.14 $4.96 Million - $5.76 Million	168,620 Added 165.58%	270,458 $8.76 Million
Q2 2019 Aug 14, 2019	SELL	$30.46 - $36.57 $23.8 Million - $28.6 Million	-781,967 Reduced 88.48%	101,838 $3.19 Million
Q1 2019 May 15, 2019	BUY	$32.1 - $37.2 $26.7 Million - $30.9 Million	830,945 Added 1571.97%	883,805 $0
Q4 2018 Feb 14, 2019	SELL	$30.48 - $35.02 $7.55 Million - $8.67 Million	-247,598 Reduced 82.41%	52,860 $1.71 Million
Q3 2018 Nov 13, 2018	BUY	$34.09 - $36.74 $919,168 - $990,620	26,963 Added 9.86%	300,458 $0
Q2 2018 Aug 10, 2018	BUY	$32.05 - $35.01 $3.39 Million - $3.71 Million	105,832 Added 63.12%	273,495 $0
Q1 2018 May 11, 2018	BUY	$30.89 - $37.61 $3.02 Million - $3.68 Million	97,846 Added 140.15%	167,663 $5.51 Million
Q4 2017 Feb 09, 2018	BUY	$37.15 - $41.44 $2.59 Million - $2.89 Million	69,817	69,817 $2.63 Million

Others Institutions Holding IRM

# of Institutions

1,174

Shares Held

244M

Call Options Held

1.41M

Put Options Held

1.5M

View Full List

About IRON MOUNTAIN INC

Ticker IRM
Exchange NYSE
Sector Real Estate
Industry REIT—Specialty
Shares Outstandng 290,684,992
Market Cap $26.8B
Description
Iron Mountain Incorporated (NYSE: IRM), founded in 1951, is the global leader for storage and information management services. Trusted by more than 225,000 organizations around the world, and with a real estate network of more than 90 million square feet across approximately 1,450 facilities in approximately 50 countries, Iron Mountain stores an...

More about IRM

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