德方纳米：吉学文累计质押股数约为1914万股

Group 1 - The core point of the article is that 德方纳米 has announced significant share pledges by its major shareholder, 吉学文, and detailed its revenue composition for the first half of 2025 [1] - As of the announcement date, 吉学文 has pledged approximately 19.14 million shares, which accounts for 90.76% of his total holdings [1] - The revenue composition for 德方纳米 in the first half of 2025 indicates that the lithium-ion battery cathode materials business constitutes 94.39% of total revenue, while other businesses make up 5.61% [1] Group 2 - The current market capitalization of 德方纳米 is reported to be 12.9 billion yuan [1]