Comparable stake leader
ACADIAN ASSET MANAGEMENT LLC
SEC ownership of GRAVITY Co., Ltd.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001313310.
Disclosed value leader
ACADIAN ASSET MANAGEMENT LLC
Comparable rows
0/50
Latest evidence
31 Mar 2026
- Public ticker
- GRVY on Nasdaq
- Parsed ownership sources
- 13F
- Largest SEC-reported holder
- ACADIAN ASSET MANAGEMENT LLC
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0001313310
- Issuer location
- Seoul, Korea, Republic of
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of GRAVITY 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
ACADIAN ASSET MANAGEMENT LLC
Disclosed value leader
ACADIAN ASSET MANAGEMENT LLC
Comparable rows
0/50
Latest evidence
31 Mar 2026
13F
Highest disclosed value: $13,996,000
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
ACADIAN ASSET MANAGEMENT LLC has the largest disclosed position value at $14M.
0 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 ACADIAN ASSET MANAGEMENT LLC's linked filing trail.
Disclosed position value
Top 5
ACADIAN ASSET MANAGEMENT LLC
$14M
MORGAN STANLEY
$9.86M
Ranmore Fund Management Ltd
$8.66M
Militia Capital Management LLC
$3.83M
UBS Group AG
$3.31M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$13,996,000
226,242 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$9,863,288
159,188 shares
|
— | 31 Mar 2026 |
| Ranmore Fund Management Ltd |
13F
Company
|
—
class O/S missing
|
$8,658,538
139,744 shares
|
— | 31 Mar 2026 |
| Militia Capital Management LLC |
13F
Company
|
—
class O/S missing
|
$3,829,128
61,800 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$3,309,779
53,418 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$2,264,080
36,541 shares
|
— | 31 Mar 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
—
class O/S missing
|
$2,259,743
36,471 shares
|
— | 31 Mar 2026 |
| Pekin Hardy Strauss, Inc. |
13F
Company
|
—
class O/S missing
|
$1,957,192
31,588 shares
|
— | 31 Mar 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 11 Jun 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 1-12 of 12 reporting-owner rows connected to GRAVITY Co., Ltd.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
12
Largest Forms 3/4/5 holder
Chung Lew
Net 12M change
$0
Latest report
27 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Chung Lew | Director | Mixed | 18 Mar 2026 | |||
| Geum Ok Sim | Director | Mixed | 18 Mar 2026 | |||
| Heung Gon Kim | Chief Financial Officer, Director | Mixed | 18 Mar 2026 | |||
| Hyo Eun Rim | Director | Mixed | 18 Mar 2026 | |||
| Hyun Chul Park | Chief Executive Officer, Director | Mixed | 18 Mar 2026 | |||
| Kazuki Morishita | Director | Mixed | 18 Mar 2026 | |||
| Kazuya Sakai | Director | Mixed | 18 Mar 2026 | |||
| Kee Woong Park | Director | Mixed | 18 Mar 2026 | |||
| Koji Yoshida | Director | Mixed | 18 Mar 2026 | |||
| Yong Seon Kwon | Director | Mixed | 18 Mar 2026 | |||
| Yoshinori Kitamura | Chief Operating Officer, Director | Mixed | 18 Mar 2026 | |||
| Yeong Ah Park | Director | Mixed | 27 Mar 2026 |
Recent insider transactions for GRAVITY 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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.