DoubleDown Interactive Co., Ltd.
DoubleDown Interactive Co., Ltd. (DDI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DDI · as of Sep 30, 2025
Ownership Breakdown
34
Institutional Holders
▼ 2 vs Q2
$67.76M
Total Inst. Value
▼ $2.99M vs Q2
49.55M
Shares Outstanding
freeFloat 1.20%
7.26M
13F Shares Held
▼ 136,895 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
DDI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
B. RILEY FINANCIAL, INC. services-computer processing & data preparation | 3.45M | 6.96% | 6.96% | $32.23B | Feb 3, 2026 | ▼ 156.1K |
AMERIPRISE FINANCIAL INC services-computer processing & data preparation | 1.36M | 2.74% | 2.74% | $12.68B | Nov 14, 2025 | ▲ 126.0K |
HEARTLAND ADVISORS INC services-computer processing & data preparation | 400.0K | 80.72% | 80.72% | $3.74B | Nov 7, 2025 | — held |
HUDSON BAY CAPITAL MANAGEMENT LP services-computer processing & data preparation | 376.4K | 75.97% | 75.97% | $3.52B | Dec 15, 2025 | ▼ 225.4K |
683 CAPITAL MANAGEMENT, LLC services-computer processing & data preparation | 300.0K | 60.54% | 60.54% | $2.80B | Nov 14, 2025 | ▲ 25.0K |
ACADIAN ASSET MANAGEMENT LLC services-computer processing & data preparation | 283.1K | 57.14% | 57.14% | $2.63B | Nov 13, 2025 | ▲ 203.6K |
STONEHILL CAPITAL MANAGEMENT LLC services-computer processing & data preparation | 190.6K | 38.46% | 38.46% | $1.78B | Nov 14, 2025 | ▲ 62.7K |
MILLENNIUM MANAGEMENT LLC services-computer processing & data preparation | 116.7K | 23.55% | 23.55% | $1.09B | Nov 14, 2025 | ▲ 58.4K |
BLACK MAPLE CAPITAL MANAGEMENT LP services-computer processing & data preparation | 98.4K | 19.87% | 19.87% | $919.47M | Nov 14, 2025 | ▲ 48.4K |
BOSTON PARTNERS services-computer processing & data preparation | 95.7K | 19.32% | 19.32% | $894.25M | Nov 13, 2025 | ▲ 20.2K |
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
17
Increased
+745.7K shares3
New Positions
first time holders9
Decreased
−419.0K shares7
Sold Out
fully exitedNet shares change (top 50)
+326.8K
+745.7K / −419.0K
Net new holders
+4
3 new / 7 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
DDI 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
DoubleDown Interactive Co., Ltd. (DDI) is primarily owned by institutional investors, who hold approximately 14.6% of total shares outstanding. Company insiders own approximately 98.80%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of DoubleDown Interactive Co., Ltd. is B. RILEY FINANCIAL, INC., holding approximately 3.45 million shares — equal to 6.96% of outstanding shares — as of September 30, 2025.
A total of 34 institutional investors currently hold DDI stock, with a combined institutional value of approximately $67,757,234 as of the most recent 13F filing period.
Frequently asked questions
DDI ownershipDoubleDown Interactive Co., Ltd. (DDI) is primarily owned by institutional investors, who hold approximately 14.6% of shares. The largest shareholder is B. RILEY FINANCIAL, INC. with a 6.96% stake. Company insiders hold 98.80%. Data sourced from SEC Form 13F as of September 30, 2025.