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IRHO · Iron Horse Acquisition II Corp. · Shareholders & Ownership

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$10.07 At close · Oct 21
Market Cap
$294.96M
Shares
29.32M
Volume · Oct 21 3925 Avg daily vol (3M) 87.09K

Every disclosed holder of IRHO in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns IRHO

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 40,307,489 137.47%
Insiders (Forms 3, 4, 5) 12,240,000 41.75%
13D/G-only blocks 0 0.00%
Remaining 23,227,489 -79.22%
Registered funds (N-PORT, not summed) 596,507 2.03%

Shares outstanding: 29,320,000, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of IRHO

# Holder Shares
1
Bengochea Jose Antonio
Insider CIK 2005952 · Dec 16, 2025
Director, CEO and Chairman, 10% Owner, issuer-wide
6,120,000
2
IRHO SPAC SPONSOR LLC
13D CIK 2101565 · Unknown · Dec 18, 2025
not summed
6,120,000
2.1
IRHO SPAC Sponsor LLC
Insider CIK 2101565 · Dec 16, 2025
10% Owner, issuer-wide
6,120,000
3
Linden Advisors LP
13F CIK 1279396 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
3,000,000
4
Magnetar Financial LLC
13F CIK 1352851 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
3,000,000
5
MMCAP International Inc. SPC
13F CIK 1304857 · Unknown · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
3,000,000
6
AQR Arbitrage LLC
13F CIK 1167456 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
2,112,478
7
PICTON MAHONEY ASSET MANAGEMENT
13F CIK 1539041 · Non-US institution · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
1,800,000
8
Polar Asset Management Partners Inc.
13F CIK 1326389 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
1,600,000
9
LMR Partners LLP
13F CIK 1578621 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,500,000
10
Wealthspring Capital LLC
13F CIK 1844495 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
1,474,190
11
GLAZER CAPITAL, LLC
13F CIK 1076809 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, IRHOU, carried, not yet filed for the newest quarter
1,408,480
12
Radcliffe Capital Management, L.P.
13F CIK 1218275 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
1,211,701
13
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F CIK 1535845 · Non-US institution · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
1,204,330
14
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
1,175,527
15
TENOR CAPITAL MANAGEMENT Co., L.P.
13F CIK 1346554 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
1,095,016
16
METEORA CAPITAL, LLC
13F CIK 1905106 · Investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
913,939
17
HGC Investment Management Inc.
13F CIK 1711200 · Non-US institution · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
821,978
18
Context Capital Management, LLC
13F CIK 1301396 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
800,000
19
TIG Advisors, LLC
13F CIK 1358253 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
800,000
20
HEIGHTS CAPITAL MANAGEMENT, INC
13F CIK 1081698 · Unknown · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
787,338
21
Hudson Bay Capital Management LP
13F CIK 1393825 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
758,296
22
MANGROVE PARTNERS IM, LLC
13F CIK 1535392 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
750,987
23
Kryger Capital LLC
13F CIK 2123957 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
722,057
24
WHITEBOX ADVISORS LLC
13F CIK 1257391 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
700,000
25
First Trust Capital Management L.P.
13F CIK 1604488 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
600,000
26
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
600,000
27
First Trust Merger Arbitrage Fund
Fund S000048195 · Registered fund · Jun 30, 2026
INVESTMENT MANAGERS SERIES TRUST II, not summed
516,918
28
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13F CIK 919185 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
503,684
29
Alberta Investment Management Corp
13F CIK 1463559 · Non-US institution · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
500,000
30
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
13F CIK 1083190 · Unknown · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
500,000
31
Mint Tower Capital Management B.V.
13F CIK 1666606 · Unknown · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
500,000
32
SONA ASSET MANAGEMENT (US) LLC
13F CIK 1856405 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
488,278
33
Shaolin Capital Management LLC
13F CIK 1766806 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
463,541
34
OMERS ADMINISTRATION Corp
13F CIK 1053321 · Pension or benefit plan · Jun 30, 2026
carried, not yet filed for the newest quarter
400,000
35
Harraden Circle Investments, LLC
13F CIK 1910592 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
389,400
36
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
362,500
37
TORONTO DOMINION BANK
13F CIK 947263 · Bank · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
321,046
38
Yakira Capital Management, Inc.
13F CIK 1584639 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
293,814
39
BERKLEY W R CORP
13F CIK 11544 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
247,850
40
Sculptor Capital LP
13F CIK 1054587 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
243,088
41
Periscope Capital Inc.
13F CIK 1695320 · Exempt reporting adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
238,000
42
Clear Street Group Inc.
13F CIK 1881567 · Unknown · Jun 30, 2026
Classes IRHO, IRHOR, IRHOU, carried, not yet filed for the newest quarter
219,983
43
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
218,809
44
ARISTEIA CAPITAL, L.L.C.
13F CIK 1080171 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
200,200
45
MOORE CAPITAL MANAGEMENT, LP
13F CIK 1448574 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
200,000
46
O'Connor Alternative Investments LLC
13F CIK 2081629 · Investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
200,000
47
BlueCrest Capital Management Ltd
13F CIK 1610880 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
175,000
48
BOOTHBAY FUND MANAGEMENT, LLC
13F CIK 1549230 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
172,498
49
Westchester Capital Management, LLC
13F CIK 1512805 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
150,000
50
Ionic Capital Management LLC
13F CIK 1386462 · Registered investment adviser · Jun 30, 2026
Classes IRHO, IRHOR, carried, not yet filed for the newest quarter
144,202

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 75 holders

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Key facts CIK 2051985 CUSIP 46283H103 13F (30d) 1 filings 1 filers Visit website Investor relations