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Balyasny Asset Management L.P.

Position in IRM — Iron Mountain Inc

CIK 1218710 Chicago, IL

Position in IRM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$13,144,600
-$4,010,206 QoQ
Shares Held
128,692
-37.8% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2020
17 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Derivatives in IRM

reported options exposure · as of Sep 30, 2025
CallValue
$1,437,354
CallShares
14,100
PutValue
$1,885,890
PutShares
18,500

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 Mar 31, 2026

Balyasny Asset Management L.P. holds $485,471,289 across 13 REIT - Specialty names. IRM ranks #8 (2.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 IRM
Iron Mountain Inc
This page
128,692 $13,144,600

All Filings in IRM

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19 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $13,144,600 128,692
2025-12-31 $17,154,806 206,809
2025-09-30 $1,437,354 14,100
2025-09-30 $15,181,822 148,929
2025-09-30 $1,885,890 18,500
2025-06-30 $39,817,366 388,197
2025-03-31 $47,627,269 553,548
2024-12-31 $38,540,473 366,668
2024-09-30 $838,226 7,054
2024-06-30 $1,832,639 20,449
2024-03-31 $5,540,505 69,075
2023-12-31 $15,771,882 225,377
2023-09-30 $19,417,796 326,624
2023-06-30 $910,085 16,017
2023-03-31 $396,295 7,490
2022-12-31 $1,225,961 24,593
2022-06-30 $22,078,383 453,448
2021-06-30 $1,581,286 37,365
2020-09-30 $6,110,156 228,076