OKLAHOMA CITY, OK
RILEY EXPLORATION PERMIAN, INC.REPX— Latest position per institution from SEC 13F filings
15
Institutional holders
11.39M
Total shares held
397.78M
Estimated value
569.69K
Avg. position size
YORKTOWN ENERGY PARTNERS XI, L.P.
CIK 1667954
Shares
1.78M
Value
65.03M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
1.02M
Value
37.06M
Filed
Mar 31, 2026
BLUESCAPE ENERGY PARTNERS LLC
CIK 1629283
Shares
990K
Value
36.09M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
948.81K
Value
25.05M
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
724.69K
Value
20.52M
Filed
Jun 30, 2024
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
627.21K
Value
22.86M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
616.56K
Value
22.47M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
608.83K
Value
22.19M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
578.96K
Value
21.10M
Filed
Mar 31, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
443.72K
Value
16.17M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
421.82K
Value
15.38M
Filed
Mar 31, 2026
YORKTOWN ENERGY PARTNERS X, L.P.
CIK 1577919
Shares
390.86K
Value
14.25M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
332.82K
Value
12.13M
Filed
Mar 31, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
306.56K
Value
11.17M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
306.48K
Value
11.17M
Filed
Mar 31, 2026
YORKTOWN ENERGY PARTNERS VIII, L.P.
CIK 1473116
Shares
287.63K
Value
8.39M
Filed
Mar 31, 2025
ROYCE & ASSOCIATES LP
CIK 906304
Shares
261.65K
Value
9.54M
Filed
Mar 31, 2026
KENNEDY CAPITAL MANAGEMENT LLC
CIK 884589
Shares
254.37K
Value
9.27M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
249.91K
Value
9.11M
Filed
Mar 31, 2026
MACKENZIE FINANCIAL CORP
CIK 919859
Shares
241.98K
Value
8.82M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | YORKTOWN ENERGY PARTNERS XI, L.P. | 1667954 | 1.78M | 65.03M | Mar 31, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 1.02M | 37.06M | Mar 31, 2026 |
| 3 | BLUESCAPE ENERGY PARTNERS LLC | 1629283 | 990K | 36.09M | Mar 31, 2026 |
| 4 | VANGUARD GROUP INC | 102909 | 948.81K | 25.05M | Dec 31, 2025 |
| 5 | BLACKROCK FINANCE, INC. | 1364742 | 724.69K | 20.52M | Jun 30, 2024 |
| 6 | AMERICAN CENTURY COMPANIES INC | 748054 | 627.21K | 22.86M | Mar 31, 2026 |
| 7 | DIMENSIONAL FUND ADVISORS LP | 354204 | 616.56K | 22.47M | Mar 31, 2026 |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 608.83K | 22.19M | Mar 31, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 578.96K | 21.10M | Mar 31, 2026 |
| 10 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 443.72K | 16.17M | Mar 31, 2026 |
| 11 | TWO SIGMA INVESTMENTS, LP | 1179392 | 421.82K | 15.38M | Mar 31, 2026 |
| 12 | YORKTOWN ENERGY PARTNERS X, L.P. | 1577919 | 390.86K | 14.25M | Mar 31, 2026 |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 332.82K | 12.13M | Mar 31, 2026 |
| 14 | MARSHALL WACE, LLP | 1318757 | 306.56K | 11.17M | Mar 31, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 306.48K | 11.17M | Mar 31, 2026 |
| 16 | YORKTOWN ENERGY PARTNERS VIII, L.P. | 1473116 | 287.63K | 8.39M | Mar 31, 2025 |
| 17 | ROYCE & ASSOCIATES LP | 906304 | 261.65K | 9.54M | Mar 31, 2026 |
| 18 | KENNEDY CAPITAL MANAGEMENT LLC | 884589 | 254.37K | 9.27M | Mar 31, 2026 |
| 19 | STATE STREET CORP | 93751 | 249.91K | 9.11M | Mar 31, 2026 |
| 20 | MACKENZIE FINANCIAL CORP | 919859 | 241.98K | 8.82M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.