Holding(s) in Company
Rhea-AI Summary
Diversified Energy Company (Ticker: DEC) received a major‑holdings notification dated 20-Oct-2025 reporting that Ameriprise Financial, Inc. (via Columbia Management Investment Advisers, LLC) crossed the 5% threshold on 17-Oct-2025.
The resulting position on the crossing date was 5.019% of voting rights, representing 3,857,026 voting rights; the prior notified position was 4.971%.
The filing lists the full chain of controlled undertakings and states no financial instruments were used to reach the threshold.
Positive
- Threshold crossed: position exceeded 5% on 17-Oct-2025
- Voting rights held: 3,857,026 (5.019%) reported on 17-Oct-2025
- Clear ownership chain: Columbia Management Investment Advisers wholly owned by Ameriprise
Negative
- None.
News Market Reaction 1 Alert
On the day this news was published, DEC gained 1.74%, reflecting a mild positive market reaction.
Data tracked by StockTitan Argus on the day of publication.
TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB00BQHP5P93
Issuer Name
DIVERSIFIED ENERGY COMPANY PLC
UK or Non-UK Issuer
UK
2. Reason for Notification
An acquisition or disposal of voting rights
3. Details of person subject to the notification obligation
Name
Ameriprise Financial, Inc.
City of registered office (if applicable)
Minneapolis
Country of registered office (if applicable)
United States
4. Details of the shareholder
Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above
City of registered office (if applicable)
Country of registered office (if applicable)
5. Date on which the threshold was crossed or reached
17-Oct-2025
6. Date on which Issuer notified
20-Oct-2025
7. Total positions of person(s) subject to the notification obligation
| % of voting rights attached to shares (total of 8.A) | % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) | Total of both in % (8.A + 8.B) | Total number of voting rights held in issuer | |
| Resulting situation on the date on which threshold was crossed or reached | 5.019000 | 0.000000 | 5.019000 | 3857026 |
| Position of previous notification (if applicable) | 4.971000 | 0.000000 | 4.971000 |
8. Notified details of the resulting situation on the date on which the threshold was crossed or reached
8A. Voting rights attached to shares
| Class/Type of shares ISIN code(if possible) | Number of direct voting rights (DTR5.1) | Number of indirect voting rights (DTR5.2.1) | % of direct voting rights (DTR5.1) | % of indirect voting rights (DTR5.2.1) | |
| GB00BQHP5P93 | 0 | 3857026 | 0.000000 | 5.019000 | |
| Sub Total 8.A | 3857026 | ||||
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
| Type of financial instrument | Expiration date | Exercise/conversion period | Number of voting rights that may be acquired if the instrument is exercised/converted | % of voting rights |
| Sub Total 8.B1 | ||||
8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))
| Type of financial instrument | Expiration date | Exercise/conversion period | Physical or cash settlement | Number of voting rights | % of voting rights |
| Sub Total 8.B2 | |||||
9. Information in relation to the person subject to the notification obligation
2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)
| Ultimate controlling person | Name of controlled undertaking | % of voting rights if it equals or is higher than the notifiable threshold | % of voting rights through financial instruments if it equals or is higher than the notifiable threshold | Total of both if it equals or is higher than the notifiable threshold | |
| Ameriprise Financial, Inc. (Chain 1) | 0.000000 | 0.000000 | |||
| Ameriprise Financial, Inc. | Columbia Threadneedle Investments UK International Limited | 0.000000 | 0.000000 | ||
| Ameriprise Financial, Inc. | Columbia Threadneedle (Europe) Limited | 0.000000 | 0.000000 | ||
| Ameriprise Financial, Inc. | Columbia Threadneedle AM (Holdings) Plc | 0.000000 | 0.000000 | ||
| Ameriprise Financial, Inc. | Columbia Threadneedle Group (Holdings) Limited | 0.000000 | 0.000000 | ||
| Ameriprise Financial, Inc. | Columbia Threadneedle Group (Management) Limited | 0.000000 | 0.000000 | ||
| Ameriprise Financial, Inc. | Columbia Threadneedle Holdings Limited | 0.000000 | 0.000000 | ||
| Ameriprise Financial, Inc. | Columbia Threadneedle Management Limited | 0.000000 | 0.000000 | ||
| Ameriprise Financial, Inc. (Chain 2) | 0.000000 | 0.000000 | |||
| Ameriprise Financial, Inc. | Columbia Management Investment Advisers, LLC | 5.009000 | 0.000000 | ||
10. In case of proxy voting
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held
11. Additional Information
Columbia Management Investment Advisers, LLC is wholly owned by Ameriprise Financial, Inc.
Columbia Threadneedle Management Limited is wholly owned by Columbia Threadneedle Holdings Limited, which is wholly owned by Columbia Threadneedle Group (Management) Limited, which is wholly owned by Columbia Threadneedle Group (Holdings) Limited, which is wholly owned by Columbia Threadneedle AM (Holdings) Plc, which is wholly owned by Columbia Threadneedle (Europe) Limited, which is wholly owned by Columbia Threadneedle Investments UK International Limited, which is wholly owned by Ameriprise Financial, Inc.
12. Date of Completion
20-Oct-2025
13. Place Of Completion
Swindon, UK
FAQ
What stake did Ameriprise report in Diversified Energy Company (DEC) on 17-Oct-2025?
When did Ameriprise cross the 5% disclosure threshold in DEC?
Did the filing for DEC indicate use of financial instruments to reach 5.019%?
How did Ameriprise hold the DEC shares reported in the 20-Oct-2025 filing?
What was the previously reported stake in DEC before crossing 5%?
