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Equibles

Walleye Trading LLC

Position in IRM — Iron Mountain Inc

CIK 1388391 NEW YORK, NY
Back to IRM Full portfolio

Position in IRM

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$1,325,777
+$1,325,777 QoQ
Shares Held
12,980
Ownership
0.004%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Derivatives in IRM

reported options exposure · as of Mar 31, 2026
CallValue
$878,404
CallShares
8,600
PutValue
$2,706,710
PutShares
26,500

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

Walleye Trading LLC holds $5,381,735 across 7 REIT - Specialty names. IRM ranks #2 (24.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 SBAC
Sba Communications Corp
 15,236 $2,622,267
2 IRM
Iron Mountain Inc
This page 		12,980 $1,325,777
3 AMT
American Tower Corp /Ma/
 4,375 $755,037
4 FRMI
Fermi Inc.
 56,346 $329,060
5 RYN
Rayonier Inc
 8,876 $183,023
6 LAMR
Lamar Advertising Co/New
 710 $89,928
7 UNIT
Uniti Group Inc.
 8,171 $76,643

All Filings in IRM

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,706,710 26,500
2026-03-31 $1,325,777 12,980
2026-03-31 $878,404 8,600
2025-12-31 $1,011,990 12,200
2025-12-31 $215,670 2,600
2025-09-30 $1,039,788 10,200
2025-09-30 $234,971 2,305
2025-09-30 $356,790 3,500
2025-06-30 $841,074 8,200
2025-06-30 $1,567,782 15,285
2025-06-30 $16,031,691 156,300
2025-03-31 $1,798,236 20,900
2025-03-31 $10,152,720 118,000
2024-12-31 $84,088 800
2024-12-31 $294,308 2,800
2024-09-30 $1,087,532 9,152
2024-09-30 $2,055,759 17,300
2024-09-30 $368,373 3,100
2024-06-30 $770,732 8,600
2024-06-30 $13,962,796 155,800
2024-03-31 $224,588 2,800
2024-03-31 $609,596 7,600
2023-12-31 $1,066,775 15,244
2023-12-31 $2,904,170 41,500
2023-12-31 $993,716 14,200
2023-09-30 $1,254,395 21,100
2023-09-30 $665,721 11,198
2023-09-30 $2,550,405 42,900
2023-06-30 $641,497 11,290
2023-06-30 $3,534,204 62,200
2023-06-30 $2,113,704 37,200
2023-03-31 $1,329,575 25,129
2023-03-31 $4,412,694 83,400
2023-03-31 $5,640,206 106,600
2022-12-31 $1,430,695 28,700
2022-12-31 $2,931,728 58,811
2022-12-31 $3,988,000 80,000
2022-09-30 $1,310,306 29,800
2022-09-30 $2,123,751 48,300
2022-06-30 $730,350 15,000
2022-06-30 $6,076,512 124,800
2022-03-31 $8,948,715 161,500
2022-03-31 $2,942,271 53,100
2021-12-31 $4,714,933 90,100
2021-12-31 $225,019 4,300
2021-09-30 $1,607,650 37,000
2021-09-30 $2,150,775 49,500
2021-06-30 $1,070,696 25,300
2021-06-30 $5,285,768 124,900
2021-03-31 $2,487,072 67,200

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