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Iron Mountain Inc

IRM
Exchange
NYSE
Industry
Real Estate Investment Trusts
SEC CIK
0001020569

In the last 90 days, Iron Mountain Inc insiders filed 0 open-market purchases and 6 sales; 1,173 institutions reported holding it in 13F filings for Q2 2026, worth $32.4B in total; no superinvestor holds it.

Q4 2024 vs. Q3 2024

How the institutions holding Iron Mountain Inc changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of IRM: Q3 2024 compared with Q4 2024
MeasureQ3 2024Of which not filed for Q4 2024Q4 2024Change
Holders1,056191,067+30
Shares242.6M760.8K237.3M−4.59M (−1.9%)
Value$28.8B$90.4M$24.9B−$3.75B (−13.1%)

19 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (139)

Institutions that held Iron Mountain Inc at the end of Q4 2024 but not at the end of Q3 2024.

Showing the largest 100 of 139 by value.

Institutions new to IRM in Q4 2024
InstitutionSharesValue% of portfolio
Raymond James Financial Inc525,841$55.3M0.02%
Universal- Beteiligungs- und Servicegesellschaft mbH377,576$39.7M0.08%
ExodusPoint Capital Management, LP186,499$19.6M0.20%
APG Asset Management N.V.159,200$16.2M0.05%
Qube Research & Technologies Ltd136,332$14.3M0.02%
KLP Kapitalforvaltning AS97,216$10.3M0.05%
Lansforsakringar Fondforvaltning AB (publ)97,203$10.2M0.06%
Capital Fund Management S.A.80,106$8.42M0.08%
Quantitative Investment Management, LLC63,416$6.67M0.50%
Mizuho Markets Americas LLC55,775$5.86M0.11%
New Age Alpha Advisors, LLC55,728$5.86M0.24%
FORA Capital, LLC48,826$5.13M0.59%
Verition Fund Management LLC43,941$4.62M0.02%
Police & Firemen's Retirement System of New Jersey42,359$4.45M0.04%
Raiffeisen Bank International AG38,143$3.96M0.06%
Engineers Gate Manager LP36,987$3.89M0.07%
Investor's Fiduciary Advisor Network, LLC34,675$3.64M1.40%
Triasima Portfolio Management inc.28,540$3.00M0.58%
Y-Intercept (Hong Kong) Ltd27,604$2.90M0.19%
Madison Investment Advisors, LLC24,369$2.56M0.03%
Heritage Trust Co22,155$2.33M0.27%
Kentucky Trust Co21,490$2.26M1.33%
Marshall Wace, LLP18,374$1.93M0.00%
Woodline Partners LP17,549$1.84M0.01%
Burling Wealth Partners, LLC15,705$1.65M0.34%
Comprehensive Money Management Services LLC14,263$1.50M1.24%
Cary Street Partners Financial LLC12,441$1.31M0.04%
Quadrature Capital Ltd11,991$1.26M0.03%
IMC-Chicago, LLC10,973$1.15M0.03%
Boston Private Wealth LLC10,878$1.14M0.02%
D. E. Shaw & Co., Inc.10,700$1.12M0.00%
iA Global Asset Management Inc.10,505$1.10M0.02%
Cardinal Point Capital Management, ULC10,200$1.08M0.17%
Smith Group Asset Management, LLC10,000$1.05M0.08%
Highland Capital Management, LLC9,852$1.04M0.06%
HRT Financial LP9,500$998.0K0.01%
Twinbeech Capital LP9,094$955.9K0.02%
Versor Investments LP8,707$915.2K0.16%
Allstate Corp8,513$894.8K0.03%
Fig Financial Advisory Services Inc8,502$893.7K0.61%
Bridgefront Capital, LLC8,340$876.6K0.30%
Rik Saylor Financial, Inc.8,212$863.2K0.80%
RNC Capital Management LLC8,001$841.0K0.04%
Ibex Wealth Advisors7,908$831.2K0.10%
Two Sigma Advisers, LP7,700$809.3K0.00%
Sherman Porfolios, LLC7,476$785.8K0.34%
Prelude Capital Management, LLC7,471$785.3K0.07%
Susquehanna Fundamental Investments, LLC6,731$707.5K0.01%
Smith Asset Management Co., LLC6,655$699.5K0.68%
Williamson Legacy Group, LLC5,834$613.2K0.41%
Fisher Asset Management, LLC5,587$587.3K0.00%
GF Fund Management Co. Ltd.5,330$560.2K0.01%
Canada Post Corp Registered Pension Plan4,957$521.0K0.03%
Freestone Grove Partners LP4,936$518.8K0.01%
Putney Financial Group LLC4,924$517.6K0.46%
OneAscent Financial Services LLC4,751$501.0K0.04%
Groupe la Francaise4,808$500.2K0.01%
Tradewinds, LLC.4,415$464.0K0.13%
MUFG Securities Americas Inc.4,333$455.4K0.06%
BCO Wealth Management LLC4,275$449.3K0.37%
Pinnacle Associates Ltd4,065$427.2K0.01%
Axis Wealth Partners, LLC4,017$422.2K0.36%
AXA S.A.3,840$403.6K0.00%
Blue Rock Wealth Management LLC3,600$378.4K0.40%
Palacios Wealth Management, LLC3,525$373.3K0.40%
Callan Family Office, LLC3,461$363.8K0.02%
Severin Investments, LLC3,449$362.6K0.36%
Natural Investments, LLC3,439$361.0K0.10%
LaSalle St. Investment Advisors, LLC3,414$358.0K0.11%
Asset Planning,Inc3,000$315.3K0.24%
Park Square Financial Group, LLC2,991$314.4K0.22%
Alethea Capital Management, LLC2,884$303.1K0.26%
Cynosure Management, LLC2,864$301.0K0.04%
Centerpoint Advisory Group2,585$271.7K0.26%
Warm Springs Advisors Inc.2,574$270.6K0.25%
Boothbay Fund Management, LLC2,501$262.9K0.01%
Texas Bank & Trust Co2,334$245.3K0.10%
Gsa Capital Partners LLP2,329$245.0K0.02%
Diversify Wealth Management, LLC2,415$244.3K0.02%
Scientech Research LLC2,282$239.9K0.07%
Bingham Private Wealth, LLC2,241$235.6K0.25%
Financial Sense Advisors, Inc.2,216$232.9K0.08%
XTX Topco Ltd2,124$223.3K0.02%
Anb Bank2,116$222.4K0.10%
FNY Investment Advisers, LLC2,100$220.0K0.11%
Sagespring Wealth Partners, LLC2,086$219.2K0.01%
Bridgewater Associates, LP2,074$218.0K0.00%
Clear Street Markets LLC2,000$210.2K0.08%
Vision Financial Markets LLC1,350$141.9K0.15%
Transce3nd, LLC1,285$135.1K0.05%
Lavaca Capital LLC1,101$115.7K0.05%
Rosenberg Matthew Hamilton1,075$113.0K0.03%
Parvin Asset Management, LLC820$86.2K0.09%
Bayforest Capital Ltd810$85.1K0.11%
Kieckhefer Group LLC800$84.1K0.05%
Neo Ivy Capital Management771$81.0K0.02%
Caitong International Asset Management Co., Ltd660$69.4K0.07%
Kohmann Bosshard Financial Services, LLC607$63.8K0.01%
Promus Capital, LLC572$60.1K0.05%
Oakworth Capital, Inc.520$54.7K0.00%

Sold out (109)

Institutions that held Iron Mountain Inc at the end of Q3 2024 and filed for Q4 2024 without it.

Showing the largest 100 of 109 by value.

Institutions that sold out of IRM in Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Lord, Abbett & Co. LLC203,000$24.1M
Worldquant Millennium Advisors LLC193,747$23.0M
Gillson Capital LP143,400$17.0M
Tudor Investment Corp Et Al100,000$11.9M
Weiss Asset Management LP56,039$6.66M
Susquehanna Portfolio Strategies, LLC48,997$5.82M
Wakefield Asset Management LLLP46,625$5.54M
Uniplan Investment Counsel, Inc.44,702$5.31M
Natixis32,900$3.91M
RPg Family Wealth Advisory, LLC28,826$3.45M
Entropy Technologies, LP28,542$3.39M
Three Seasons Wealth, LLC16,924$2.02M
Diversified Trust Co12,168$1.45M
Walleye Trading LLC9,152$1.09M
H&H Retirement Design & Management INC8,697$1.06M
Associated Banc-Corp8,863$1.05M
Kentucky Retirement Systems Insurance Trust Fund8,685$1.03M
Veriti Management LLC7,987$949.1K
Fiduciary Family Office, LLC7,665$910.8K
Friedenthal Financial6,931$823.6K
Quadcap Wealth Management, LLC6,689$794.9K
Accuvest Global Advisors6,473$769.2K
DCM Advisors, LLC6,144$730.1K
Zimmermann Investment Management & Planning LLC6,075$721.9K
GTS Securities LLC5,886$699.4K
Caldwell Investment Management Ltd.5,900$688.4K
ClearAlpha Technologies LP5,128$609.4K
Jefferies Financial Group Inc.4,909$583.3K
Qtron Investments LLC4,685$556.7K
True Vision MN LLC4,546$543.5K
Jackson Creek Investment Advisors LLC4,455$529.0K
Edmp, Inc.4,387$521.3K
Householder Group Estate & Retirement Specialist, LLC3,956$470.0K
Capital Wealth Planning, LLC3,655$434.3K
Good Life Advisors, LLC3,646$433.3K
Curbstone Financial Management Corp3,590$426.6K
Lebenthal Global Advisors, LLC3,526$419.0K
Pure Financial Advisors, Inc.3,441$408.9K
MBB Public Markets I LLC3,330$395.7K
Strategic Wealth Partners, Ltd.3,210$381.4K
Infrastructure Capital Advisors, LLC3,174$377.2K
Arkadios Wealth Advisors2,812$334.2K
Dark Forest Capital Management LP2,780$330.3K
Financial Advocates Investment Management2,576$306.1K
Insigneo Advisory Services, LLC2,471$293.6K
StoneX Group Inc.2,333$277.9K
Dakota Wealth Management2,318$275.4K
Dynamic Technology Lab Private Ltd2,278$271.0K
Ashton Thomas Private Wealth, LLC2,270$269.7K
Liberty Wealth Management LLC2,262$269.0K
Signal Advisors Wealth, LLC2,197$261.1K
Hunter Associates Investment Management LLC2,199$261.0K
Hutchens & Kramer Investment Management Group, LLC2,170$256.6K
44 Wealth Management LLC2,028$254.6K
Morningstar Investment Services LLC2,095$245.0K
Samalin Investment Counsel, LLC1,980$235.2K
Adviser Investments LLC1,942$230.8K
City Center Advisors, LLC1,882$223.6K
Baker Ellis Asset Management LLC1,875$222.8K
Baader Bank INC2,003$222.7K
Avidian Wealth Solutions, LLC1,873$222.6K
Tyche Wealth Partners LLC1,855$220.4K
Berger Financial Group, Inc1,837$218.3K
FDx Advisors, Inc.1,836$218.0K
Sequent Planning LLC1,814$215.6K
Cassaday & Co Wealth Management LLC1,812$215.3K
Harbour Trust & Investment Management Co1,800$213.9K
IMS Capital Management1,798$213.7K
Castle Rock Wealth Management, LLC1,832$213.6K
Conning Inc.1,794$213.2K
WealthPLAN Partners, LLC1,794$213.2K
Sepio Capital, LP1,782$211.8K
Baldwin Brothers Inc1,775$211.0K
Prossimo Advisors, LLC1,765$210.0K
Waterloo Capital, L.P.1,754$208.4K
First Affirmative Financial Network1,735$206.1K
Fort Point Capital Partners LLC1,729$205.5K
Custom Index Systems, LLC1,729$205.5K
Wealthspire Advisors, LLC1,728$205.3K
MQS Management LLC1,725$205.0K
La Banque Postale Asset Management SA1,724$204.9K
1858 Wealth Management, LLC1,716$203.9K
Quad-Cities Investment Group, LLC1,708$202.9K
Royal Capital Wealth Management, LLC1,700$202.0K
Clare Market Investments LLC1,700$202.0K
Reuter James Wealth Management, LLC1,500$178.2K
TSFG, LLC1,124$134.0K
Walleye Capital LLC730$86.7K
Optiver Holding B.V.687$81.6K
Elequin Capital LP525$62.4K
Alta Advisers Ltd500$59.4K
Main Street Group, LTD376$44.6K
Teachers Insurance & Annuity Association of America300$35.6K
Trust Co of Vermont300$35.6K
Financial Network Wealth Advisors LLC291$34.6K
Ashton Thomas Securities, LLC261$31.0K
Northwest Financial Advisors141$16.8K
Planned Solutions, Inc.107$12.7K
McMahon Financial Advisors, LLC100$11.9K
Capital Performance Advisors LLP71$8.44K

Not filed for Q4 2024 yet (19)

Institutions that held Iron Mountain Inc at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRM in Q3 2024 that haven't filed for Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Raymond James & Associates348,747$41.4M
Raymond James Financial Services Advisors, Inc.207,961$24.7M
Eagle Asset Management Inc82,407$9.86M
B. Metzler seel. Sohn & Co. Holding AG23,047$2.74M
Argent Financial Group, Inc.22,639$2.69M
SpiderRock Advisors, LLC18,499$2.20M
Rakuten Investment Management, Inc.16,618$1.94M
Banque Cantonale Vaudoise10,275$1.22M
Aquila Investment Management LLC10,000$1.19M
Raymond James Trust N.A.6,293$747.8K
Gateway Advisory, LLC5,479$651.1K
LifePro Asset Management4,458$529.7K
M&R Capital Management Inc1,735$206.2K
FinTrust Capital Advisors, LLC1,240$147.3K
Halpern Financial, Inc.724$86.4K
Naples Money Management LLC254$30.2K
Northwest Investment Counselors, LLC184$21.9K
Carmichael Hill & Associates, Inc.143$17.0K
Planning Capital Management Corp72$8.56K