Comparable stake leader
WELLINGTON MANAGEMENT GROUP LLP
SEC ownership of KT CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000892450.
Disclosed value leader
WELLINGTON MANAGEMENT GROUP LLP
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- KT on NYSE
- Parsed ownership sources
-
13F and 13D/G
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
WELLINGTON MANAGEMENT GROUP LLP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
WELLINGTON MANAGEMENT GROUP LLP
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
- 0000892450
- Issuer location
- Korea M5
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 KT 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
WELLINGTON MANAGEMENT GRO...
Disclosed value leader
WELLINGTON MANAGEMENT GRO...
Comparable rows
50/50
Latest evidence
30 Jun 2026
13F
13D/G
Lead comparable stake: 8%
13D/G row: WELLINGTON MANAGEMENT GROUP LLP
Showing 1-8 of 50 holder rows.
Quick read
WELLINGTON MANAGEMENT GROUP LLP leads the comparable SEC ownership view at 8%.
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 WELLINGTON MANAGEMENT GROUP LLP's linked filing trail.
Comparable ownership
Top 5
WELLINGTON MANAGEMENT GROUP LLP
8%
Silchester International Investor...
4.8%
Niatross Investments Ltd
4.3%
PRICE T ROWE ASSOCIATES INC /MD/
3.7%
Kopernik Global Investors, LLC
3.6%
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 |
|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP |
13F
13D/G
Company
|
8%
from 13D/G
|
$466,093,458
26,973,001 shares
|
— | 30 Jun 2026 |
| Silchester International Investors LLP |
13D/G
|
4.8%
|
$230,689,696
12,154,357 shares
|
$0 | 31 Dec 2024 |
| Niatross Investments Ltd |
13F
Company
|
4.3%
|
$190,184,786
11,006,064 shares
|
— | 30 Jun 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
3.7%
|
$163,214,000
9,445,184 shares
|
— | 30 Jun 2026 |
| Kopernik Global Investors, LLC |
13F
Company
|
3.6%
|
$156,279,249
9,043,938 shares
|
— | 30 Jun 2026 |
| Capital International Investors |
13F
Company
|
3.5%
|
$151,304,233
8,756,032 shares
|
— | 30 Jun 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
3.4%
|
$147,961,492
8,484,029 shares
|
— | 30 Jun 2026 |
| Capital Research Global Investors |
13F
Company
|
2.9%
|
$127,742,089
7,392,482 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 22 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 |
Recent insider transactions for KT 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.