HOUSTON, TX
PRAIRIE OPERATING CO.PROP— Latest position per institution from SEC 13F filings
15
Institutional holders
17.93M
Total shares held
38.05M
Estimated value
896.55K
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
2.04M
Value
4.14M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
1.76M
Value
2.97M
Filed
Dec 31, 2025
HUDSON BAY CAPITAL MANAGEMENT LP
CIK 1393825
Shares
1.55M
Value
3.14M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.54M
Value
3.12M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.50M
Value
3.05M
Filed
Mar 31, 2026
ARAX ADVISORY PARTNERS
CIK 1586767
Shares
1.39M
Value
2.81M
Filed
Mar 31, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
1.10M
Value
2.24M
Filed
Mar 31, 2026
CASTLEKNIGHT MANAGEMENT LP
CIK 1835751
Shares
1.07M
Value
2.17M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
887.34K
Value
1.80M
Filed
Mar 31, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
786.64K
Value
1.57M
Filed
Sep 30, 2025
WOODLINE PARTNERS LP
CIK 1784547
Shares
687.43K
Value
3.68M
Filed
Mar 31, 2025
STATE STREET CORP
CIK 93751
Shares
567.92K
Value
1.15M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
522.33K
Value
1.06M
Filed
Mar 31, 2026
DIAMETRIC CAPITAL, LP
CIK 1719087
Shares
481.70K
Value
977.85K
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
452.86K
Value
919.31K
Filed
Mar 31, 2026
GROUP ONE TRADING LLC
CIK 932540
Shares
431.13K
Value
875.19K
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
329.58K
Value
669.05K
Filed
Mar 31, 2026
SIMPLEX TRADING, LLC
CIK 1488542
Shares
304.29K
Value
617.70K
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
299.21K
Value
607.41K
Filed
Mar 31, 2026
NORTHERN TRUST CORP
CIK 73124
Shares
239.70K
Value
486.58K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 2.04M | 4.14M | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 1.76M | 2.97M | Dec 31, 2025 |
| 3 | HUDSON BAY CAPITAL MANAGEMENT LP | 1393825 | 1.55M | 3.14M | Mar 31, 2026 |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.54M | 3.12M | Mar 31, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.50M | 3.05M | Mar 31, 2026 |
| 6 | ARAX ADVISORY PARTNERS | 1586767 | 1.39M | 2.81M | Mar 31, 2026 |
| 7 | JANE STREET GROUP, LLC | 1595888 | 1.10M | 2.24M | Mar 31, 2026 |
| 8 | CASTLEKNIGHT MANAGEMENT LP | 1835751 | 1.07M | 2.17M | Mar 31, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 887.34K | 1.80M | Mar 31, 2026 |
| 10 | MARSHALL WACE, LLP | 1318757 | 786.64K | 1.57M | Sep 30, 2025 |
| 11 | WOODLINE PARTNERS LP | 1784547 | 687.43K | 3.68M | Mar 31, 2025 |
| 12 | STATE STREET CORP | 93751 | 567.92K | 1.15M | Mar 31, 2026 |
| 13 | GOLDMAN SACHS GROUP INC | 886982 | 522.33K | 1.06M | Mar 31, 2026 |
| 14 | DIAMETRIC CAPITAL, LP | 1719087 | 481.70K | 977.85K | Mar 31, 2026 |
| 15 | MORGAN STANLEY | 895421 | 452.86K | 919.31K | Mar 31, 2026 |
| 16 | GROUP ONE TRADING LLC | 932540 | 431.13K | 875.19K | Mar 31, 2026 |
| 17 | CITADEL ADVISORS LLC | 1423053 | 329.58K | 669.05K | Mar 31, 2026 |
| 18 | SIMPLEX TRADING, LLC | 1488542 | 304.29K | 617.70K | Mar 31, 2026 |
| 19 | UBS GROUP AG | 1610520 | 299.21K | 607.41K | Mar 31, 2026 |
| 20 | NORTHERN TRUST CORP | 73124 | 239.70K | 486.58K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.