Diversified Energy Co
DEC- Exchange
- NYSE
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001922446
No open-market purchases or sales by Diversified Energy Co insiders were filed in the last 90 days; 183 institutions reported holding it in 13F filings for Q2 2026, worth $706.2M in total; no superinvestor holds it.
Holders of 5% or more of DEC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Diversified Energy Co, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 6.00%4.83M shares | – | Apr 23, 20251 filing | Apr 23, 2025 | SEC |
| Ameriprise Financial Inc | 13G | 5.30%4.11M shares | New | Nov 14, 20251 filing | Nov 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Diversified Energy Co, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 202610:36 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −5.22 ppfrom 5.22%Below 5% | Mar 13, 2026 | SEC |
| Mar 13, 20264:05 PM ET | EIG Energy Fund XVI, L.P.and 8 others | 13D/A | 0.00%0 shares | –Below 5% | Mar 11, 2026 | SEC |
| Nov 14, 202510:06 AM ET | Ameriprise Financial Incand 1 other | 13G | 5.30%4.11M shares | New | Sep 30, 2025 | SEC |
| Sep 22, 20256:30 AM ET | EIG Energy Fund XVI, L.P.and 8 others | 13D/A | 4.49%3.50M shares | −2.11 ppfrom 6.60%Below 5% | Sep 18, 2025 | SEC |
| Jul 29, 20251:04 PM ET | Vanguard Group Inc | 13G | 5.22%4.10M shares | +1.70 ppfrom 3.52% | Jun 30, 2025 | SEC |
| May 29, 20259:27 AM ET | FS Specialty Lending Fundand 2 others | 13G/A | 4.90%3.95M shares | −0.19 ppfrom 5.09%Below 5% | May 9, 2025 | SEC |
| May 29, 20258:00 AM ET | EIG Energy Fund XVI, L.P.and 8 others | 13D | 6.60%5.22M shares | New | Mar 14, 2025 | SEC |
| May 15, 20256:04 AM ET | FS Specialty Lending Fundand 2 others | 13G | 5.09%4.09M shares | New | Mar 14, 2025 | SEC |
| Apr 30, 202510:55 AM ET | Vanguard Group Inc | 13G/A | 3.52%2.85M shares | −1.87 ppfrom 5.39%Below 5% | Mar 31, 2025 | SEC |
| Apr 23, 20257:47 PM ET | BlackRock, Inc. | 13G/A | 6.00%4.83M shares | – | Mar 31, 2025 | SEC |
| Apr 2, 20259:26 AM ET | Jupiter Asset Management Ltd | 13G | 3.57%2.89M shares | NewBelow 5% | Mar 31, 2025 | SEC |
| Jan 30, 20259:34 PM ET | Vanguard Group Inc | 13G | 5.39%2.77M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Diversified Energy Co shares.
No Form 144 notices for Diversified Energy Co are on file.