IRM · Iron Mountain Inc
$129.43
+2.81 (+2.22%)
At close · Aug 14
Market Cap
$37.70B
Shares
297.70M
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this stock, matched by the stock's CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding IRM
974 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| VANGUARD REAL ESTATE INDEX FUND | — | 10,974,169 | $1,382,635,552 | 1.98% | Long | 2026-04-30 | |
| VANGUARD REAL ESTATE INDEX FUND | VIG | 11,025,699 | $1,015,797,649 | 1.54% | Long | 2026-01-31 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 8,938,524 | $912,980,841 | 0.05% | Long | 2026-03-31 | |
| VANGUARD 500 INDEX FUND | — | 7,518,827 | $767,972,990 | 0.05% | Long | 2026-03-31 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | VB | 8,827,944 | $732,277,955 | 0.04% | Long | 2025-12-31 | |
| VANGUARD MID-CAP INDEX FUND | — | 6,069,577 | $619,946,595 | 0.31% | Long | 2026-03-31 | |
| VANGUARD 500 INDEX FUND | VB | 7,454,683 | $618,365,955 | 0.04% | Long | 2025-12-31 | |
| VANGUARD MID-CAP INDEX FUND | VB | 6,112,064 | $506,995,709 | 0.25% | Long | 2025-12-31 | |
| Fidelity 500 Index Fund | — | 3,785,804 | $485,529,363 | 0.06% | Long | 2026-05-31 | |
| iShares Core S&P 500 ETF | — | 3,804,159 | $388,556,800 | 0.05% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | SPY | 3,438,226 | $351,180,404 | 0.05% | Long | 2026-03-31 | |
| iShares Core S&P 500 ETF | AAXJ | 3,837,441 | $318,315,731 | 0.04% | Long | 2025-12-31 | |
| Cohen & Steers Institutional Realty Shares | — | 3,091,475 | $315,763,257 | 3.85% | Long | 2026-03-31 | |
| Cohen & Steers Realty Shares | — | 2,760,718 | $281,979,737 | 3.86% | Long | 2026-03-31 | |
| Schwab U.S. REIT ETF | — | 2,092,821 | $268,404,293 | 2.69% | Long | 2026-05-31 | |
| VANGUARD VALUE INDEX FUND | — | 2,599,887 | $265,552,458 | 0.12% | Long | 2026-03-31 | |
| State Street(R) Real Estate Select Sector SPDR(R) ETF | — | 2,449,532 | $250,195,198 | 3.42% | Long | 2026-03-31 | |
| VANGUARD REAL ESTATE II INDEX FUND | — | 1,945,543 | $245,118,963 | 2.31% | Long | 2026-04-30 | |
| Cohen & Steers Real Estate Securities Fund | — | 2,326,030 | $237,580,704 | 2.75% | Long | 2026-03-31 | |
| Income Fund of America | — | 1,867,169 | $235,244,622 | 0.16% | Long | 2026-04-30 | |
| VANGUARD MID-CAP GROWTH INDEX FUND | — | 2,137,646 | $218,339,162 | 0.75% | Long | 2026-03-31 | |
| VANGUARD VALUE INDEX FUND | VB | 2,584,218 | $214,360,883 | 0.10% | Long | 2025-12-31 | |
| Real Estate Securities Fund | — | 1,620,686 | $204,190,229 | 3.03% | Long | 2026-04-30 | |
| DFA REAL ESTATE SECURITIES PORTFOLIO | — | 1,614,260 | $203,380,617 | 2.93% | Long | 2026-04-30 | |
| State Street(R) Real Estate Select Sector SPDR(R) ETF | XLBI | 2,383,430 | $197,705,519 | 2.68% | Long | 2025-12-31 | |
| Invesco S&P 500 Equal Weight ETF | — | 1,568,229 | $197,581,172 | 0.22% | Long | 2026-04-30 | |
| VANGUARD REAL ESTATE II INDEX FUND | VGHY | 1,937,599 | $178,510,996 | 1.81% | Long | 2026-01-31 | |
| Invesco S&P 500 Equal Weight ETF | CVY | 1,864,960 | $171,818,765 | 0.21% | Long | 2026-01-31 | |
| VANGUARD INSTITUTIONAL INDEX FUND | — | 1,667,662 | $170,334,997 | 0.05% | Long | 2026-03-31 | |
| Schwab U.S. REIT ETF | FNDA | 1,912,099 | $165,109,749 | 1.95% | Long | 2025-11-30 | |
| Strategic Advisers Fidelity U.S. Total Stock Fund | — | 1,159,396 | $148,692,537 | 0.06% | Long | 2026-05-31 | |
| DFA Global Real Estate Securities Portfolio | — | 1,132,472 | $142,680,147 | 1.87% | Long | 2026-04-30 | |
| VANGUARD INSTITUTIONAL INDEX FUND | VBIL | 1,695,100 | $140,608,545 | 0.04% | Long | 2025-12-31 | |
| Fidelity Mid Cap Index Fund | — | 1,086,745 | $136,919,003 | 0.27% | Long | 2026-04-30 | |
| iShares Core U.S. REIT ETF | — | 954,070 | $120,203,279 | 3.19% | Long | 2026-04-30 | |
| Fidelity Value Fund | — | 910,700 | $114,739,093 | 1.18% | Long | 2026-04-30 | |
| iShares Russell Mid-Cap ETF | — | 1,122,155 | $114,616,912 | 0.24% | Long | 2026-03-31 | |
| iShares Global REIT ETF | — | 782,145 | $98,542,449 | 2.06% | Long | 2026-04-30 | |
| Fidelity Mid Cap Index Fund | FSTB | 1,067,428 | $98,342,142 | 0.21% | Long | 2026-01-31 | |
| VANGUARD MID-CAP GROWTH INDEX FUND | VB | 1,173,369 | $97,330,959 | 0.30% | Long | 2025-12-31 | |
| iShares U.S. Real Estate ETF | — | 934,834 | $95,483,945 | 2.40% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) Portfolio S&P 500(R) High Dividend ETF | — | 922,441 | $94,218,124 | 1.34% | Long | 2026-03-31 | |
| iShares Russell Mid-Cap ETF | AAXJ | 1,088,668 | $90,305,011 | 0.19% | Long | 2025-12-31 | |
| Fidelity Real Estate Investment Portfolio | — | 684,752 | $86,271,904 | 2.63% | Long | 2026-04-30 | |
| iShares U.S. Real Estate ETF | AAXJ | 1,008,120 | $83,623,554 | 1.92% | Long | 2025-12-31 | |
| Schwab S&P 500 Index Fund | — | 657,292 | $82,812,219 | 0.06% | Long | 2026-04-30 | |
| iShares Core U.S. REIT ETF | AAXJ | 881,856 | $81,245,393 | 2.43% | Long | 2026-01-31 | |
| iShares Select U.S. REIT ETF | — | 642,586 | $80,959,410 | 3.83% | Long | 2026-04-30 | |
| Fidelity Real Estate Index Fund | — | 605,292 | $76,260,739 | 2.41% | Long | 2026-04-30 | |
| VANGUARD MID-CAP VALUE INDEX FUND | VB | 873,596 | $72,464,788 | 0.22% | Long | 2025-12-31 |
Showing 1–50 of 974 positions
Key facts
CIK
1020569
CUSIP
46284V101
13F (30d)
1058 filings
1021 filers
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