IRON MOUNTAIN INC (IRM) — Institutional Holders, Q2 2026 (page 7)

1,174 institutional investment managers reported a IRM position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $32.4B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 601 to 700. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

IRM 13F holders ranked 601–700 of 1,174

Institutional investors reporting a position in IRON MOUNTAIN INC on SEC Form 13F-HR for Q2 2026, ranked by reported value.
InstitutionValueQoQ
Somerset#601 · 5,428 sh$685.6K-4.4%
Tower Research Capital (TRC)#602 · 5,417 sh$684.2K-71.8%
Independence Bank of Kentucky#603 · 5,399 sh$681.9K-11.8%
Financial Management Professionals#604 · 5,349 sh$680.3K+0.2%
EntryPoint Capital#605 · 5,341 sh$674.6K-31.7%
GUGGENHEIM CAPITAL#606 · 5,334 sh$673.7K+13.1%
Radnor Capital Management#607 · 5,279 sh$666.8KNew
ASSETMARK#608 · 5,274 sh$666.1K+19.5%
BROOKFIELD#609 · 5,262 sh$664.6K-97.2%
DAYMARK WEALTH PARTNERS#610 · 5,201 sh$656.9K+8.2%
Valued Retirements#611 · 5,190 sh$655.5K0.0%
M&G Plc#612 · 5,193 sh$654.3K0.0%
Empirical Financial Services, d.b.a. Empirical Wealth Ma#613 · 5,075 sh$641.0K+34.3%
Bogart Wealth#614 · 5,070 sh$640.4K+30.0%
Welch Group#615 · 5,069 sh$640.3K0.0%
Cardinal Point Capital Management, ULC#616 · 5,033 sh$640.1K-14.8%
PRUDENTIAL PLC#617 · 5,066 sh$639.9K0.0%
AlphaCore Capital#618 · 5,008 sh$636.8K+129.4%
Frec Markets#619 · 5,034 sh$635.8K+45.4%
NorthCrest Asset Manangement#620 · 5,304 sh$633.8K+29.0%
JB Capital#621 · 5,016 sh$633.6K+8.4%
NorthStar Asset Management#622 · 5,015 sh$633.4K0.0%
ASR Vermogensbeheer N.V.#623 · 5,011 sh$632.9K-91.9%
GREAT VALLEY ADVISOR GROUP#624 · 5,004 sh$632.4K+44.9%
OneDigital Investment Advisors#625 · 4,979 sh$628.9K+5.1%
Perfromance Wealth Partners#626 · 4,953 sh$625.6K+0.2%
Aspen Investment Management#627 · 4,891 sh$618.0K+8.8%
Stonebridge Financial Group#628 · 4,824 sh$613.0K—
Bull Harbor Capital#629 · 4,783 sh$604.1K+36.4%
FOX RUN MANAGEMENT, L.L.C.#630 · 4,774 sh$603.0K-67.6%
Linscomb Wealth#631 · 4,757 sh$600.9K-4.0%
Smith Asset Management#632 · 4,756 sh$600.7K0.0%
Freestone Grove Partners#633 · 4,753 sh$600.4KNew
High Net Worth Advisory Group#634 · 4,692 sh$592.6K0.0%
Kapstone Financial Advisors#635 · 4,676 sh$590.6K-5.6%
MISSION WEALTH MANAGEMENT#636 · 4,657 sh$588.3K+58.0%
Havemeyer Place#637 · 4,605 sh$581.7K-69.5%
RMB Capital Management#638 · 4,573 sh$579.7K+0.1%
Wilmington Savings Fund Society, FSB#639 · 4,535 sh$572.8K+0.7%
Altshuler Shaham Ltd#640 · 15,315 sh$571.2KNew
PENSION & WEALTH MANAGEMENT ADVISORS#641 · 4,507 sh$569.3K+12.8%
ATALANTA SOSNOFF CAPITAL#642 · 4,501 sh$568.5K-11.3%
Essex Savings Bank#643 · 4,447 sh$561.7K+0.4%
Cornerstone Wealth Group#644 · 4,419 sh$558.1K+5.3%
Advisory Alpha#645 · 4,372 sh$552.4K+7.3%
GTS SECURITIES#646 · 4,367 sh$551.6K-40.4%
Measured Wealth Private Client Group#647 · 4,366 sh$551.5K0.0%
AUGUSTINE ASSET MANAGEMENT#648 · 4,297 sh$542.8K-6.8%
GROUP ONE TRADING, L.P.#649 · 4,281 sh$540.7K-16.9%
Perigon Wealth Management#650 · 4,276 sh$540.2K+14.1%
BCO Wealth Management#651 · 4,275 sh$540.0K0.0%
Miracle Mile Advisors#652 · 4,275 sh$539.9K+19.4%
Kingsview Wealth Management#653 · 4,265 sh$538.7K-33.6%
STEPHENS#654 · 4,263 sh$538.5K+17.1%
ADVISORS MANAGEMENT GROUP#655 · 4,231 sh$534.0K-1.7%
Hilton Head Capital Partners#656 · 4,212 sh$532.0K+2.2%
AE Wealth Management#657 · 4,210 sh$531.8K-23.5%
HANCOCK WHITNEY#658 · 4,202 sh$530.8K0.0%
HOWLAND CAPITAL MANAGEMENT#659 · 4,150 sh$525.7K+0.1%
Cornerstone Wealth Management#660 · 4,152 sh$524.4K0.0%
Alpine Global Management#661 · 4,150 sh$524.2KNew
AlphaGrep UK Ltd#662 · 4,136 sh$522.4K-10.3%
FIDUCIARY FAMILY OFFICE#663 · 4,132 sh$521.9K-2.5%
ALGERT GLOBAL#664 · 4,130 sh$521.7KNew
Wedmont Private Capital#665 · 4,288 sh$521.0K+18.0%
Stratos Wealth Partners, LTD.#666 · 4,122 sh$520.7K-1.6%
Alliance Wealth Advisors#667 · 4,097 sh$517.5K+0.6%
Disciplined Equity Management#668 · 4,085 sh$516.0K0.0%
Ausdal Financial Partners#669 · 4,070 sh$514.0K+9.7%
MONECO Advisors#670 · 4,056 sh$512.3KNew
GF FUND MANAGEMENT LTD.#671 · 4,051 sh$511.7K-9.3%
Axis Wealth Partners#672 · 4,049 sh$511.4K0.0%
INTEGRITY ALLIANCE#673 · 4,015 sh$507.2K-1.3%
Walleye Trading#674 · 3,949 sh$498.8K-69.6%
Fisher Asset Management#675 · 3,946 sh$498.4K+13.3%
Csenge Advisory Group#676 · 3,926 sh$495.9K-2.7%
Signal Advisors Wealth#677 · 3,907 sh$493.5K+4.6%
ARMSTRONG ADVISORY GROUP#678 · 3,894 sh$491.9K0.0%
PROFUND ADVISORS#679 · 3,892 sh$491.6K-0.5%
WADDELL & ASSOCIATES#680 · 3,889 sh$491.2K-5.3%
Parallel Advisors#681 · 3,879 sh$490.0K+0.6%
Advisory Advocates#682 · 3,870 sh$488.8K-8.9%
Continuum Advisory#683 · 3,820 sh$482.5K+12.0%
StoneX Group#684 · 3,804 sh$482.5KNew
FJ Capital Management#685 · 3,814 sh$481.7KNew
Ledgewood Wealth Advisors#686 · 3,806 sh$480.7K0.0%
COMPASS CAPITAL MANAGEMENT#687 · 3,800 sh$480.0KNew
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT#688 · 3,936 sh$479.8K-3.6%
Gateway Wealth Partners#689 · 3,783 sh$477.8K-5.8%
Hilltop#690 · 3,776 sh$476.9K0.0%
Significant Wealth Partners#691 · 3,741 sh$472.5K+1.3%
Fifth Third Wealth Advisors#692 · 3,713 sh$469.0K+3.4%
Krilogy Financial#693 · 3,686 sh$465.6K-5.1%
AIRE ADVISORS#694 · 3,672 sh$463.9K+0.8%
PARK NATIONAL#695 · 3,656 sh$461.8K0.0%
Simplicity Wealth#696 · 3,648 sh$460.7K-33.6%
MONETA GROUP INVESTMENT ADVISORS#697 · 3,632 sh$458.7KNew
Dakota Wealth Management#698 · 3,628 sh$458.3K+0.2%
Putney Financial Group#699 · 3,609 sh$455.9K-1.4%
Three Magnolias Financial Advisors#700 · 3,600 sh$454.7K0.0%

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.