IRM — IRON MTN INC NEW

Ownership history in Qube Research & Technologies Ltd  ·  28 quarters on record

AI Ownership Summary

Qube Research & Technologies Ltd reported IRON MTN INC NEW (IRM) in 28 quarterly 13F filings from 2023 Q3 through 2025 Q3. Peak portfolio weight reached 0.09% in 2025 Q1. The latest visible filing shows IRM at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this IRM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Qube Research & Technologies Ltd's position in IRON MTN INC NEW, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

IRM was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.09% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

IRM stock page Qube Research & Technologies Ltd fund profile Qube Research & Technologies Ltd full holdings
How Qube Research & Technologies Ltd held IRM — position size vs. price
% of Fund (quarterly)    IRM price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 16 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 400 -1,400 -77.8% 0.00% $41K 2025-11-14 $89.69
2025 Q3 REDUCED 1,800 -36,854 -95.3% 0.00% $183K 2025-11-14 $89.69
2025 Q3 ADDED 38,654 +38,554 +38554.0% 0.00% $3.9M 2025-11-14 $89.69
2025 Q2 REDUCED 100 -209,870 -100.0% 0.00% $10K 2025-08-14 $88.99
2025 Q2 ADDED 209,970 +209,770 +104885.0% 0.02% $21.5M 2025-08-14 $88.99
2025 Q2 REDUCED 200 -400 -66.7% 0.00% $21K 2025-08-14 $88.99
2025 Q1 REDUCED 600 -2,100 -77.8% 0.00% $52K 2025-05-15 $96.13
2025 Q1 REDUCED 2,700 -895,282 -99.7% 0.00% $232K 2025-05-15 $96.13
2025 Q1 ADDED 897,982 +895,382 +34437.8% 0.09% $77.3M 2025-05-15 $96.13
2024 Q4 REDUCED 2,600 -133,732 -98.1% 0.00% $273K 2025-02-14 $91.34
2024 Q4 ADDED 136,332 +135,932 +33983.0% 0.02% $14.3M 2025-02-14 $91.34
2024 Q4 REDUCED 400 -69,988 -99.4% 0.00% $42K 2025-02-14 $91.34
2024 Q1 ADDED 70,388 +60,388 +603.9% 0.01% $5.6M 2024-05-14 $75.58
2024 Q1 UNCHANGED 10,000 — 0% 0.00% $802K 2024-05-14 $75.58
2023 Q4 REDUCED 10,000 -6,899 -40.8% 0.00% $700K 2024-02-13 $62.39
2023 Q3 REDUCED 16,899 -183,613 -91.6% 0.00% $1.0M 2023-11-13 $54.49
12 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding IRM

As of 2025 Q4 — sorted by position size

Waterfront Capital Partners, LLC 3Y 7Y 7.69% Contour Asset Management LLC 3Y 7Y 5.48% Vert Asset Management LLC 3Y 3.89% FORESIGHT CAPITAL MANAGEMENT ADVISORS, INC. 3Y 3.81% B&I Capital AG 3Y 3.38% COHEN & STEERS, INC. 3Y 7Y 2.83% Marble Harbor Investment Counsel, LLC 3Y 7Y 2.78% Intrinsic Edge Capital Management LLC 3Y 7Y 2.65% AR ASSET MANAGEMENT INC 3Y 7Y 2.21% PGGM Investments 3Y 7Y 2.18%

FAQ About Qube Research & Technologies Ltd and IRM

These are the practical questions this page is built to answer before you even open the full history table.

How long has Qube Research & Technologies Ltd reported owning IRM?

Qube Research & Technologies Ltd reported IRM across 16 quarterly 13F filings, from 2023 Q3 through 2025 Q3.

What was the largest reported IRM position in Qube Research & Technologies Ltd's portfolio?

The largest reported portfolio weight for IRM was 0.09% in 2025 Q1.

What is the latest reported IRM position on this page?

The most recent filing on this page is 2025 Q3, when Qube Research & Technologies Ltd reported 400 shares, equal to 0.00% of portfolio, with an estimated market value of $41K.

What does the chart on this IRM ownership page compare?

The chart compares Qube Research & Technologies Ltd's quarterly IRM portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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