KT Corporation
KT Corporation (KT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · KT · as of Sep 30, 2025
Ownership Breakdown
246
Institutional Holders
▲ 6 vs Q2
$2.58B
Total Inst. Value
▲ $48.98M vs Q2
482.53M
Shares Outstanding
freeFloat 88.61%
132.27M
13F Shares Held
▲ 10.65M 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
KT largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
WELLINGTON MANAGEMENT GROUP LLP telephone communications (no radiotelephone) | 12.24M | 2.51% | 2.51% | $238.66B | Nov 14, 2025 | ▲ 3.09M |
PRICE T ROWE ASSOCIATES INC /MD/ telephone communications (no radiotelephone) | 10.79M | 2.22% | 2.22% | $210.36B | Nov 14, 2025 | ▼ 119.2K |
CAPITAL INTERNATIONAL INVESTORS telephone communications (no radiotelephone) | 10.68M | 2.19% | 2.19% | $208.21B | Nov 13, 2025 | ▲ 85.8K |
ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V. telephone communications (no radiotelephone) | 7.63M | 1.57% | 1.57% | $148.80B | Oct 22, 2025 | ▲ 643.2K |
BLACKROCK, INC. telephone communications (no radiotelephone) | 6.75M | 1.39% | 1.39% | $131.58B | Nov 12, 2025 | ▲ 753.4K |
MORGAN STANLEY telephone communications (no radiotelephone) | 6.49M | 1.33% | 1.33% | $126.52B | May 27, 2026 | ▲ 434.3K |
BOSTON PARTNERS telephone communications (no radiotelephone) | 4.86M | 99.92% | 99.92% | $94.86B | Nov 13, 2025 | ▼ 347.6K |
ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC telephone communications (no radiotelephone) | 4.86M | 99.90% | 99.90% | $94.84B | Oct 20, 2025 | ▼ 1.06M |
CAPITAL RESEARCH GLOBAL INVESTORS telephone communications (no radiotelephone) | 4.67M | 96.01% | 96.01% | $91.15B | Nov 13, 2025 | ▲ 47.1K |
KOPERNIK GLOBAL INVESTORS, LLC telephone communications (no radiotelephone) | 4.56M | 93.57% | 93.57% | $88.83B | Nov 14, 2025 | ▲ 279.0K |
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
29
Increased
+13.34M shares2
New Positions
first time holders19
Decreased
−3.32M shares0
Sold Out
fully exitedNet shares change (top 50)
+10.02M
+13.34M / −3.32M
Net new holders
+12
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
KT insider trading · insider activity
Source: SEC Form 4
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
KT Corporation (KT) is primarily owned by institutional investors, who hold approximately 27.4% of total shares outstanding. Company insiders own approximately 11.39%, while retail and public investors account for the remaining 61.20%.
The largest institutional shareholder of KT Corporation is WELLINGTON MANAGEMENT GROUP LLP, holding approximately 12.24 million shares — equal to 2.51% of outstanding shares — as of September 30, 2025.
A total of 246 institutional investors currently hold KT stock, with a combined institutional value of approximately $2.58 billion as of the most recent 13F filing period.
Frequently asked questions
KT ownershipKT Corporation (KT) is primarily owned by institutional investors, who hold approximately 27.4% of shares. The largest shareholder is WELLINGTON MANAGEMENT GROUP LLP with a 2.51% stake. Company insiders hold 11.39%. Data sourced from SEC Form 13F as of September 30, 2025.