SEC ownership of Rithm Acquisition Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002047497.

Comparable stake leader

Rithm Acquisition Corp Sponsor LLC

Disclosed value leader

Rithm Acquisition Corp Sponsor LLC

Comparable rows

49/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
49 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Rithm Acquisition Corp Sponsor LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002047497
Issuer location
New York, NY

Ownership snapshot

Top shareholders of Rithm Acquisition Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Rithm Acquisition Corp Sp...
Disclosed value leader
Rithm Acquisition Corp Sp...
Comparable rows
49/50
Latest evidence
31 Mar 2026
13D/G 3/4/5 13F Lead comparable stake: 22% 1 rows are not safely comparable across share classes. 13D/G row: Rithm Acquisition Corp Sponsor LLC Showing 1-8 of 50 holder rows.

Quick read

Rithm Acquisition Corp Sponsor LLC leads the comparable SEC ownership view at 22%.

49 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Rithm Acquisition Corp Sponsor LLC's linked filing trail.
Comparable ownership Top 5
Rithm Acquisition Corp Sponsor LLC 22%
Empyrean Capital Partners, LP 9.4%
Magnetar Financial LLC 8.4%
METEORA CAPITAL, LLC 6.4%
Hudson Bay Capital Management LP 6.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Rithm Acquisition Corp Sponsor LLC
13D/G 3/4/5
10%+ Owner
22%
$63,350,000
6,335,000 shares
$0 30 Sep 2025
Empyrean Capital Partners, LP
13D/G 13F
Company
9.4%
$23,192,000
2,230,000 shares
+$8,741,065 31 Mar 2026
Magnetar Financial LLC
13F 13D/G
Company
8.4%
from 13D/G
$20,730,600
1,980,000 shares
31 Mar 2026
METEORA CAPITAL, LLC
13D/G
6.4%
$15,891,782
1,528,056 shares
-$2,654,392 31 Mar 2026
Hudson Bay Capital Management LP
13D/G 13F
Company
6.3%
$15,594,800
1,499,500 shares
-$4,425,200 31 Mar 2026
AQR CAPITAL MANAGEMENT LLC
13D/G
6.2%
$14,907,297
1,462,934 shares
-$4,453,703 30 Jun 2025
GOLDMAN SACHS GROUP INC
13D/G 13F
THE GOLDMAN SACHS GROUP, INC. · Company
4.8%
$11,879,719
1,158,997 shares
-$956,950 30 Sep 2025
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13D/G 13F
Company
2%
$4,891,200
480,000 shares
-$15,285,000 30 Jun 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 01 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-6 of 6 reporting-owner rows connected to Rithm Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
6
Largest Forms 3/4/5 holder
Rithm Acquisition Corp Sponsor LLC
Net 12M change
$0
Latest report
28 Feb 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Rithm Acquisition Corp Sponsor LLC 10%+ Owner Mixed 26 Feb 2025
Michael Nierenberg CHIEF EXECUTIVE OFFICER, Director Mixed 26 Feb 2025
Varun Wadhawan Chief Financial Officer Mixed 26 Feb 2025
Gary Kalk Director Mixed 26 Feb 2025
Elizabeth C. Fascitelli Director Mixed 26 Feb 2025
Ellen Schubert Director Mixed 28 Feb 2025

Recent insider transactions for Rithm Acquisition Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .