Comparable stake leader
Boston Partners
SEC ownership of DoubleDown Interactive Co., Ltd.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001799567.
Disclosed value leader
AMERIPRISE FINANCIAL INC
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- DDI on Nasdaq
- Parsed ownership sources
-
13F and 13D/G
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Boston Partners
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Boston Partners
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001799567
- Issuer location
- Seoul
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of DoubleDown Interactive Co., Ltd. (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
Boston Partners
Disclosed value leader
AMERIPRISE FINANCIAL INC
Comparable rows
50/50
Latest evidence
30 Jun 2026
13F
13D/G
Lead comparable stake: 6.7%
13D/G row: Boston Partners
Showing 1-8 of 50 holder rows.
Quick read
Boston Partners leads the comparable SEC ownership view at 6.7%.
50 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 Boston Partners's linked filing trail.
Comparable ownership
Top 5
Boston Partners
6.7%
STIC Special Situation Diamond Ltd
3.8%
BRC Group Holdings, Inc.
3.6%
AMERIPRISE FINANCIAL INC
79%
HEARTLAND ADVISORS INC
30%
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 |
|---|---|---|---|---|---|
| Boston Partners |
13F
13D/G
Company
|
6.7%
from 13D/G
|
$1,894,790
165,051 shares
|
— | 30 Jun 2026 |
| STIC Special Situation Diamond Ltd |
13D/G
|
3.8%
|
$814,046
94,109 shares
|
-$1,007,924 | 18 Dec 2025 |
| BRC Group Holdings, Inc. |
13F
13D/G
Company · Bryant Riley
|
3.6%
from 13D/G
|
$18,751,111
1,633,372 shares
|
— | 30 Jun 2026 |
| AMERIPRISE FINANCIAL INC |
13F
Company
|
79%
|
$22,522,061
1,961,852 shares
|
— | 30 Jun 2026 |
| HEARTLAND ADVISORS INC |
13F
Company
|
30%
|
$8,610,000
750,000 shares
|
— | 30 Jun 2026 |
| STONEHILL CAPITAL MANAGEMENT LLC |
13F
Company
|
27%
|
$7,773,000
677,132 shares
|
— | 30 Jun 2026 |
| 683 Capital Management, LLC |
13F
Company
|
22%
|
$6,314,000
550,000 shares
|
— | 30 Jun 2026 |
| Whitefort Capital Management, LP |
13F
Company
|
22%
|
$6,270,055
546,172 shares
|
— | 30 Jun 2026 |
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 27 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 1-9 of 9 reporting-owner rows connected to DoubleDown Interactive Co., Ltd.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Largest Forms 3/4/5 holder
In Keuk Kim
Net 12M change
$0
Latest report
27 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| In Keuk Kim | Chief Executive Officer, Director | Mixed | 18 Dec 2025 | |||
| Haenam Kim | Chief Marketing Officer, Director | Mixed | 18 Dec 2025 | |||
| Whanlim Kim | Director | Mixed | 18 Dec 2025 | |||
| Joseph Anton Sigrist | Chief Financial Officer, Director | Mixed | 18 Dec 2025 | |||
| Ki Chul Kim | Chief Data Officer, Director | Mixed | 18 Dec 2025 | |||
| Yanghoon Cho | Director | Mixed | 27 Mar 2026 | |||
| Jaesung Chung | Director | Mixed | 27 Mar 2026 | |||
| Sung Uk Park | Director | Mixed | 27 Mar 2026 | |||
| Il Jin Park | Director | Mixed | 27 Mar 2026 |
Recent insider transactions for DoubleDown Interactive Co., Ltd.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Joseph Anton Sigrist | DDI | American Depository Shares | 0 | 500 | 18 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.