Rithm Acquisition Corp.
Rithm Acquisition Corp. (RAC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · RAC · as of Sep 30, 2025
Ownership Breakdown
40
Institutional Holders
▲ 4 vs Q2
$206.73M
Total Inst. Value
▲ $8.61M vs Q2
23.66M
Shares Outstanding
freeFloat 97.21%
20.17M
13F Shares Held
▲ 752,062 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
RAC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
MAGNETAR FINANCIAL LLC blank checks | 1.98M | 17.22% | 17.22% | $20.30B | Nov 13, 2025 | — held |
HUDSON BAY CAPITAL MANAGEMENT LP blank checks | 1.93M | 16.74% | 16.74% | $19.73B | Dec 15, 2025 | — held |
AQR ARBITRAGE LLC blank checks | 1.45M | 12.63% | 12.63% | $14.88B | Nov 14, 2025 | ▼ 11.0K |
FIRST TRUST CAPITAL MANAGEMENT L.P. blank checks | 1.20M | 10.45% | 10.45% | $12.31B | Nov 17, 2025 | ▼ 300.0K |
D. E. SHAW & CO., INC. blank checks | 1.09M | 9.48% | 9.48% | $11.17B | Nov 14, 2025 | — held |
ALBERTA INVESTMENT MANAGEMENT CORP blank checks | 980.0K | 8.52% | 8.52% | $10.04B | Feb 17, 2026 | — held |
PICTON MAHONEY ASSET MANAGEMENT blank checks | 800.0K | 6.96% | 6.96% | $8.20B | Nov 12, 2025 | — held |
BOUSSARD & GAVAUDAN INVESTMENT MANAGEMENT LLP blank checks | 800.0K | 6.96% | 6.96% | $8.20B | Nov 12, 2025 | — held |
LMR PARTNERS LLP blank checks | 800.0K | 6.96% | 6.96% | $8.20B | Nov 14, 2025 | NEW |
TWO SIGMA INVESTMENTS, LP blank checks | 725.0K | 6.30% | 6.30% | $7.43B | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
4
Increased
+475.4K shares9
New Positions
first time holders10
Decreased
−882.1K shares4
Sold Out
fully exitedNet shares change (top 50)
406.7K
+475.4K / −882.1K
Net new holders
-1
9 new / 4 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
RAC insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Rithm Acquisition Corp. (RAC) is primarily owned by institutional investors, who hold approximately 85.3% of total shares outstanding. Company insiders own approximately 2.79%, while retail and public investors account for the remaining 11.96%.
The largest institutional shareholder of Rithm Acquisition Corp. is MAGNETAR FINANCIAL LLC, holding approximately 1.98 million shares — equal to 17.22% of outstanding shares — as of September 30, 2025.
A total of 40 institutional investors currently hold RAC stock, with a combined institutional value of approximately $206,729,000 as of the most recent 13F filing period.
Frequently asked questions
RAC ownershipRithm Acquisition Corp. (RAC) is primarily owned by institutional investors, who hold approximately 85.3% of shares. The largest shareholder is MAGNETAR FINANCIAL LLC with a 17.22% stake. Company insiders hold 2.79%. Data sourced from SEC Form 13F as of September 30, 2025.