The largest holder of Aflac stock is Japan Post Holdings Co., Ltd., with 50.5 million shares (10.08% of the company), worth about $5.85 billion as of September 25, 2026. The 10 largest holders together own 39.1%.
In Q2 2026, 1,770 institutional holdings reports listed 431.0 million shares worth $41.10 billion, up 26.0% in shares from Q1 2026.
Insiders reported 93 transactions in the last two years: 52 sales worth $109.64 million and no purchases. The newest one on file is from May 15, 2026 (Kenny Thomas J, Director).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 15, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Japan Post Holdings Co., Ltd. | 50.5 million | 10.08% | $5.9B |
| Vanguard Capital Management LLC | 29.9 million | 5.96% | $3.5B |
| BlackRock Advisors LLC | 26.4 million | 5.27% | $3.1B |
| Vanguard Portfolio Management LLC | 24.4 million | 4.86% | $2.8B |
| State Street Corporation | 23.5 million | 4.69% | $2.7B |
| Geode Capital Management LLC | 10.6 million | 2.11% | $1.2B |
| Wells Fargo Bank NA | 9.5 million | 1.89% | $1.1B |
| Eaton Vance Management | 8.0 million | 1.60% | $932.0M |
| BlackRock Life Ltd. | 7.7 million | 1.54% | $893.0M |
| Northern Trust Global Investments Ltd. | 5.5 million | 1.09% | $632.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 1,770 | 431.0 million | $41.1B |
| Q1 2026 | 1,739 | 342.0 million | $37.5B |
| Q4 2025 | 1,753 | 352.0 million | $38.8B |
| Q3 2025 | 1,703 | 351.0 million | $39.2B |
| Q2 2025 | 1,692 | 367.0 million | $38.7B |
| Q1 2025 | 1,702 | 371.0 million | $41.2B |
| Q4 2024 | 1,658 | 373.0 million | $38.6B |
| Q3 2024 | 1,633 | 382.0 million | $42.6B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Kenny Thomas J | May 15, 2026 | Director | Sale at price 116.57 per share. | $202,832 |
| Japan Post Holdings Co., Ltd. | May 15, 2026 | Beneficial Owner of more than 10% of a Class of Security | Sale at price 116.81 - 117.35 per share. | $2.7M |
| Collins Arthur Reginald | May 14, 2026 | Director | Sale at price 116.55 per share. | $268,065 |
| Japan Post Holdings Co., Ltd. | May 14, 2026 | Beneficial Owner of more than 10% of a Class of Security | Sale at price 116.42 per share. | $2.9M |
| Japan Post Holdings Co., Ltd. | May 13, 2026 | Beneficial Owner of more than 10% of a Class of Security | Sale at price 115.25 - 116.17 per share. | $2.8M |
| Japan Post Holdings Co., Ltd. | May 12, 2026 | Beneficial Owner of more than 10% of a Class of Security | Sale at price 115.08 - 116.26 per share. | $2.8M |
| Japan Post Holdings Co., Ltd. | May 11, 2026 | Beneficial Owner of more than 10% of a Class of Security | Sale at price 114.02 - 115.48 per share. | $2.8M |
| Moskowitz Joseph L | May 8, 2026 | Director | Sale at price 113.73 per share. | $68,238 |
| Hosoda Miwako | May 6, 2026 | Director | Sale at price 114.50 per share. | $27,824 |
| Lake Charles D Ii | May 5, 2026 | Officer | Sale at price 113.43 per share. | $737,308 |
| Rohrer Katherine T | May 4, 2026 | Director | Stock Gift at price 0.00 per share. | – |
| Moskowitz Joseph L | May 4, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 93 insider transactions in the last two years.
Japan Post Holdings Co., Ltd., with 10.08% of the company (as of September 25, 2026). Next: Vanguard Capital Management LLC (5.96%) and BlackRock Advisors LLC (5.27%).
1,770 institutional holdings reports listed Aflac shares in Q2 2026, 431.0 million shares in all worth $41.10 billion.
In the last two years insiders reported 52 sales and no purchases (93 transactions in all); the newest on file is from May 15, 2026.