Welch & Forbes LLC Iron Mountain Inc Transaction History

Welch & Forbes LLC

$8.21 Billion
Q3 2025

A detailed history of Welch & Forbes LLC transactions in Iron Mountain Inc stock. As of the latest transaction made, Welch & Forbes LLC holds 658,992 shares of IRM stock, worth $60.2 Million. This represents 0.82% of its overall portfolio holdings.

Number of Shares

658,992

Previous 668,938 1.49%

Holding current value

$60.2 Million

Previous $68.6 Million 2.09%

% of portfolio

0.82%

Previous 0.87%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 03, 2025	SELL	$89.46 - $104.46 $889,769 - $1.04 Million	-9,946 Reduced 1.49%	658,992 $67.2 Million
Q2 2025 Aug 04, 2025	SELL	$76.93 - $105.25 $392,650 - $537,196	-5,104 Reduced 0.76%	668,938 $68.6 Million
Q1 2025 May 02, 2025	SELL	$82.79 - $111.31 $473,558 - $636,693	-5,720 Reduced 0.84%	674,042 $58 Million
Q4 2024 Feb 06, 2025	SELL	$101.62 - $128.14 $783,185 - $987,574	-7,707 Reduced 1.12%	679,762 $71.4 Million
Q3 2024 Nov 04, 2024	SELL	$89.69 - $119.32 $2.19 Million - $2.91 Million	-24,416 Reduced 3.43%	687,469 $81.7 Million

Q2 2024 Aug 01, 2024	SELL	$74.42 - $89.62 $1.17 Million - $1.41 Million	-15,756 Reduced 2.17%	711,885 $63.8 Million
Q1 2024 May 02, 2024	SELL	$65.34 - $81.37 $257,243 - $320,353	-3,937 Reduced 0.54%	727,641 $58.4 Million
Q4 2023 Feb 06, 2024	SELL	$57.23 - $70.6 $350,018 - $431,789	-6,116 Reduced 0.83%	731,578 $51.2 Million
Q3 2023 Nov 02, 2023	SELL	$57.27 - $64.02 $391,154 - $437,256	-6,830 Reduced 0.92%	737,694 $43.9 Million
Q2 2023 Jul 28, 2023	SELL	$51.58 - $57.16 $8,304 - $9,202	-161 Reduced 0.02%	744,524 $42.3 Million
Q1 2023 Apr 14, 2023	SELL	$48.96 - $56.63 $267,321 - $309,199	-5,460 Reduced 0.73%	744,685 $39.4 Million
Q4 2022 Feb 02, 2023	BUY	$44.14 - $55.56 $533,520 - $671,553	12,087 Added 1.64%	750,145 $37.4 Million
Q3 2022 Oct 28, 2022	SELL	$43.59 - $56.54 $43,197 - $56,031	-991 Reduced 0.13%	738,058 $32.5 Million
Q2 2022 Jul 22, 2022	SELL	$46.11 - $57.72 $368,741 - $461,586	-7,997 Reduced 1.07%	739,049 $36 Million
Q1 2022 Apr 25, 2022	BUY	$42.24 - $55.46 $1.15 Million - $1.51 Million	27,237 Added 3.78%	747,046 $41.4 Million
Q4 2021 Jan 19, 2022	SELL	$42.63 - $52.77 $107,299 - $132,822	-2,517 Reduced 0.35%	719,809 $37.7 Million
Q3 2021 Oct 13, 2021	BUY	$42.42 - $49.45 $120,600 - $140,586	2,843 Added 0.4%	722,326 $31.4 Million
Q2 2021 Jul 22, 2021	SELL	$37.3 - $47.02 $15,516 - $19,560	-416 Reduced 0.06%	719,483 $30.4 Million
Q1 2021 Apr 14, 2021	BUY	$28.0 - $37.28 $8,596 - $11,444	307 Added 0.04%	719,899 $26.6 Million
Q4 2020 Jan 20, 2021	BUY	$25.49 - $30.38 $210,572 - $250,969	8,261 Added 1.16%	719,592 $21.2 Million
Q3 2020 Oct 23, 2020	SELL	$26.04 - $30.5 $241,390 - $282,735	-9,270 Reduced 1.29%	711,331 $19.1 Million
Q2 2020 Jul 15, 2020	SELL	$21.52 - $30.56 $3.79 Million - $5.39 Million	-176,282 Reduced 19.65%	720,601 $18.8 Million
Q1 2020 Apr 17, 2020	SELL	$22.4 - $34.45 $1.65 Million - $2.53 Million	-73,582 Reduced 7.58%	896,883 $21.3 Million
Q4 2019 Jan 17, 2020	BUY	$31.39 - $34.37 $745,606 - $816,390	23,753 Added 2.51%	970,465 $30.9 Million
Q3 2019 Oct 11, 2019	SELL	$29.41 - $34.14 $1,794 - $2,082	-61 Reduced 0.01%	946,712 $30.7 Million
Q2 2019 Jul 12, 2019	SELL	$30.46 - $36.57 $978,557 - $1.17 Million	-32,126 Reduced 3.28%	946,773 $29.6 Million
Q1 2019 Apr 29, 2019	SELL	$32.1 - $37.2 $124,034 - $143,740	-3,864 Reduced 0.39%	978,899 $34.7 Million
Q4 2018 Feb 05, 2019	SELL	$30.48 - $35.02 $606,155 - $696,442	-19,887 Reduced 1.98%	982,763 $31.9 Million
Q3 2018 Oct 17, 2018	SELL	$34.09 - $36.74 $196,153 - $211,401	-5,754 Reduced 0.57%	1,002,650 $34.6 Million
Q2 2018 Jul 16, 2018	SELL	$32.05 - $35.01 $708,048 - $773,440	-22,092 Reduced 2.14%	1,008,404 $35.3 Million
Q1 2018 Apr 12, 2018	SELL	$30.89 - $37.61 $290,366 - $353,534	-9,400 Reduced 0.9%	1,030,496 $33.9 Million
Q4 2017 Jan 26, 2018	SELL	$37.15 - $41.44 $1.87 Million - $2.08 Million	-50,236 Reduced 4.61%	1,039,896 $39.2 Million
Q3 2017 Nov 13, 2017	BUY	$36.43 - $40.38 $39.7 Million - $44 Million	1,090,132	1,090,132 $42.4 Million

Others Institutions Holding IRM

# of Institutions

1,159

Shares Held

245M

Call Options Held

1.41M

Put Options Held

984K

View Full List

About IRON MOUNTAIN INC

Ticker IRM
Exchange NYSE
Sector Real Estate
Industry REIT—Specialty
Shares Outstandng 290,684,992
Market Cap $26.6B
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

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Welch & Forbes LLC, based on Form 13F filings with the SEC.

News

Stay updated on Welch & Forbes LLC with notifications on news.

Account