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Apollo Management Holdings, L.P.

Position in IRM — Iron Mountain Inc

CIK 1449434 New York, NY

Position in IRM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$33,540,231
+$6,418,078 QoQ
Shares Held
265,539
0.0% QoQ
Ownership
0.089%
of shares outstanding
% of Portfolio
0.59%
of 13F equity value
Holder Rank
#97
of 1,152 holders
Holding Since
Mar 2021
5 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Derivatives in IRM

reported options exposure · as of Dec 31, 2021
CallValue
$0
CallShares
0
PutValue
$21,978,600
PutShares
420,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

Apollo Management Holdings, L.P. holds $163,413,646 across 4 REIT - Specialty names. IRM ranks #2 (20.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IRM
Iron Mountain Inc
This page
265,539 $33,540,231

All Filings in IRM

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $33,540,231 265,539
2026-03-31 $27,122,153 265,539
2025-12-31 $22,026,460 265,539
2021-12-31 $21,978,600 420,000
2021-03-31 $37,010,000 1,000,000