Amplify Energy Corp. (AMPY) ownership: Top institutional holder: CDC Financial, Inc. ($16.15M). Insider activity: Net Seller (1 buys, 19 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| CDC Financial, Inc. | 2587347.00 | $16.15M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1633142.00 | $10.19M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 1632763.00 | $10.19M | 2026-03-31 |
| AMERICAN CENTURY COMPANIES INC | 1438807.00 | $8.98M | 2026-03-31 |
| ACADIAN ASSET MANAGEMENT LLC | 1377819.00 | $8.59M | 2026-03-31 |
| VANGUARD GROUP INC | 1851415.00 | $8.46M | 2025-12-31 |
| MARSHALL WACE, LLP | 1257152.00 | $7.84M | 2026-03-31 |
| Truffle Hound Capital, LLC | 1250000.00 | $7.80M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-06 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.