Ring Energy, Inc.
REI- Exchange
- NYSE
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001384195
No open-market purchases or sales by Ring Energy, Inc. insiders were filed in the last 90 days; 143 institutions reported holding it in 13F filings for Q2 2026, worth $132.3M in total; no superinvestor holds it.
Holders of 5% or more of REI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ring Energy, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Warburg Pincus & Co US, LLC | 13D/A | 15.10%28.9M shares | – | Feb 27, 20251 filing | Feb 27, 2025 | SEC |
| Kruse William R | 13G/A | 7.00%14.8M shares | −0.30 ppfrom 7.30% | Feb 9, 20213 filings | Feb 23, 2026 | SEC |
| PEAK6 Capital Management LLC | 13G | 6.60%17.1M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
| PEAK6 LLC | 13G | 6.60%17.1M shares | New | Aug 13, 20261 filing | Aug 13, 2026 | 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
18 Schedule 13D and 13G filings on Ring Energy, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20269:19 AM ET | PEAK6 Capital Management LLCand 7 others | 13G | 6.60%17.1M shares | New | Jun 30, 2026 | SEC |
| Aug 13, 20268:41 PM ET | PEAK6 LLCand 7 others | 13G | 6.60%17.1M shares | New | Jun 30, 2026 | SEC |
| Mar 27, 202611:34 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −5.13 ppfrom 5.13%Below 5% | Mar 13, 2026 | SEC |
| Feb 23, 20265:46 PM ET | Kruse William Rand 1 other | 13G/A | 7.00%14.8M shares | −0.30 ppfrom 7.30% | Dec 31, 2025 | SEC |
| Oct 30, 20253:50 PM ET | Vanguard Group Inc | 13G | 5.13%10.6M shares | – | Sep 30, 2025 | SEC |
| Aug 12, 20257:13 PM ET | Warburg Pincus Partners II (US), L.P.and 22 others | 13G/A | 2.65%5.47M shares | −11.37 ppfrom 14.02%Below 5% | Jun 30, 2025 | SEC |
| Jul 17, 20257:54 PM ET | BlackRock, Inc. | 13G/A | 0.70%1.45M shares | –Below 5% | Jun 30, 2025 | SEC |
| May 9, 20256:02 PM ET | Warburg Pincus Partners II (US), L.P.and 22 others | 13G | 14.02%28.9M shares | New | Mar 31, 2025 | SEC |
| Feb 27, 20259:50 AM ET | Warburg Pincus & Co US, LLCand 22 others | 13D/A | 15.10%28.9M shares | – | Feb 24, 2025 | SEC |
| Feb 12, 20252:27 PM ET | Kruse William Rand 1 other | 13G/A | 7.30%14.5M shares | – | Dec 31, 2024 | SEC |
| Sep 20, 2021 | Kukes Simon G | 13D/AOld format | – | – | – | SEC |
| Jun 1, 2021 | Yetiv Jack | 13GOld format | – | New | – | SEC |
| Apr 1, 2021 | Kukes Simon G | 13D/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2021 | Kruse William R | 13G/AOld format | – | – | – | SEC |
| Feb 2, 2021 | Empery Asset Management, LP | 13G/AOld format | – | – | – | SEC |
| Jan 28, 2021 | Kukes Simon G | 13D/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Ring Energy, Inc. shares.
No Form 144 notices for Ring Energy, Inc. are on file.