The largest holder of Sea stock is Baillie Gifford & Co., with 38.4 million shares (6.79% of the company), worth about $4.36 billion as of September 25, 2026. The 10 largest holders together own 32.0%.
In Q2 2026, 851 institutional holdings reports listed 419.0 million shares worth $36.60 billion, up 11.4% in shares from Q1 2026.
Insiders reported 48 transactions in the last two years: 43 sales worth $148.80 million and no purchases. The newest one on file is from May 13, 2026 (Ye Gang, Chief Operating Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 13, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Baillie Gifford & Co. | 38.4 million | 6.79% | $4.4B |
| T. Rowe Price International Ltd. | 35.6 million | 6.30% | $4.0B |
| WCM Investment Management LLC | 33.9 million | 5.99% | $3.8B |
| BlackRock Advisors LLC | 16.3 million | 2.88% | $1.8B |
| Fidelity Management & Research Co. LLC | 15.4 million | 2.72% | $1.7B |
| Tiger Global Management LLC | 12.6 million | 2.22% | $1.4B |
| JPMorgan Investment Management, Inc. | 8.2 million | 1.45% | $929.0M |
| Schroder Investment Management (Europe) SA | 7.6 million | 1.35% | $868.0M |
| State Street Corporation | 7.3 million | 1.29% | $826.0M |
| Temasek Holdings Pte Ltd. | 5.7 million | 1.02% | $652.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 851 | 419.0 million | $36.6B |
| Q1 2026 | 817 | 376.0 million | $31.0B |
| Q4 2025 | 950 | 381.0 million | $48.7B |
| Q3 2025 | 981 | 397.0 million | $70.9B |
| Q2 2025 | 938 | 367.0 million | $58.6B |
| Q1 2025 | 837 | 355.0 million | $46.7B |
| Q4 2024 | 770 | 341.0 million | $36.2B |
| Q3 2024 | 689 | 332.0 million | $31.1B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Ye Gang | May 13, 2026 | Chief Operating Officer | Sale at price 91.45 - 98.36 per share. | $1.9M |
| Chen David Jingye | May 13, 2026 | Officer | Sale at price 92.02 - 99.45 per share. | $152,129 |
| Ye Gang | May 11, 2026 | Chief Operating Officer | Sale at price 82.53 - 87.35 per share. | $1.7M |
| Chen David Jingye | May 11, 2026 | Officer | Sale at price 82.50 - 87.33 per share. | $136,417 |
| Ye Gang | May 7, 2026 | Chief Operating Officer | Sale at price 86.77 - 91.51 per share. | $1.8M |
| Chen David Jingye | May 7, 2026 | Officer | Sale at price 86.78 - 91.44 per share. | $142,582 |
| Chen David Jingye | May 5, 2026 | Officer | Sale at price 84.17 - 86.97 per share. | $136,339 |
| Ye Gang | May 5, 2026 | Chief Operating Officer | Sale at price 84.20 - 86.77 per share. | $1.7M |
| Chen David Jingye | May 1, 2026 | Officer | Sale at price 83.02 - 86.14 per share. | $136,231 |
| Ye Gang | May 1, 2026 | Chief Operating Officer | Sale at price 83.01 - 86.57 per share. | $1.7M |
| Chen David Jingye | Apr 29, 2026 | Officer | Sale at price 82.47 - 86.71 per share. | $135,208 |
| Ye Gang | Apr 29, 2026 | Chief Operating Officer | Sale at price 82.47 - 86.64 per share. | $1.7M |
Newest 12 of 48 insider transactions in the last two years.
Baillie Gifford & Co., with 6.79% of the company (as of September 25, 2026). Next: T. Rowe Price International Ltd. (6.30%) and WCM Investment Management LLC (5.99%).
851 institutional holdings reports listed Sea shares in Q2 2026, 419.0 million shares in all worth $36.60 billion.
In the last two years insiders reported 43 sales and no purchases (48 transactions in all); the newest on file is from May 13, 2026.