HOUSTON, TX
NET POWER INC.NPWR-WT— Latest position per institution from SEC 13F filings
15
Institutional holders
46.23M
Total shares held
176.06M
Estimated value
2.31M
Avg. position size
SHARE ANDREW L.
CIK 1693672
Shares
9.77M
Value
16.31M
Filed
Jun 30, 2026
PEAK6 LLC
CIK 1389958
Shares
3.43M
Value
5.73M
Filed
Jun 30, 2026
GREENLIGHT CAPITAL INC
CIK 1079114
Shares
2.99M
Value
30.22M
Filed
Dec 31, 2023
HITE HEDGE ASSET MANAGEMENT LLC
CIK 1568939
Shares
2.85M
Value
4.76M
Filed
Jun 30, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
2.84M
Value
4.74M
Filed
Jun 30, 2026
ENCOMPASS CAPITAL ADVISORS LLC
CIK 1541901
Shares
2.50M
Value
26.45M
Filed
Dec 31, 2024
BLACKROCK, INC.
CIK 2012383
Shares
2.42M
Value
4.04M
Filed
Jun 30, 2026
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
CIK 1638555
Shares
2.25M
Value
23.83M
Filed
Dec 31, 2024
VANGUARD GROUP INC
CIK 102909
Shares
2.02M
Value
4.60M
Filed
Dec 31, 2025
DME CAPITAL MANAGEMENT, LP
CIK 1489933
Shares
1.96M
Value
22.32M
Filed
Mar 31, 2024
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.80M
Value
3.01M
Filed
Jun 30, 2026
KENSICO CAPITAL MANAGEMENT CORP
CIK 1113000
Shares
1.69M
Value
4.44M
Filed
Mar 31, 2025
DEFIANCE ETFS, LLC
CIK 1732541
Shares
1.56M
Value
2.60M
Filed
Jun 30, 2026
TIDAL INVESTMENTS LLC
CIK 1600064
Shares
1.55M
Value
2.58M
Filed
Jun 30, 2026
SOURCEROCK GROUP LLC
CIK 1822531
Shares
1.40M
Value
2.34M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
1.38M
Value
13.56M
Filed
Jun 30, 2024
KHROM CAPITAL MANAGEMENT LLC
CIK 1877963
Shares
1.08M
Value
2.85M
Filed
Mar 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.01M
Value
1.68M
Filed
Jun 30, 2026
COHEN & STEERS, INC.
CIK 1284812
Shares
888.95K
Value
1.49K
Filed
Jun 30, 2026
GSA CAPITAL PARTNERS LLP
CIK 1362033
Shares
851.30K
Value
1.42K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | SHARE ANDREW L. | 1693672 | 9.77M | 16.31M | Jun 30, 2026 |
| 2 | PEAK6 LLC | 1389958 | 3.43M | 5.73M | Jun 30, 2026 |
| 3 | GREENLIGHT CAPITAL INC | 1079114 | 2.99M | 30.22M | Dec 31, 2023 |
| 4 | HITE HEDGE ASSET MANAGEMENT LLC | 1568939 | 2.85M | 4.76M | Jun 30, 2026 |
| 5 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 2.84M | 4.74M | Jun 30, 2026 |
| 6 | ENCOMPASS CAPITAL ADVISORS LLC | 1541901 | 2.50M | 26.45M | Dec 31, 2024 |
| 7 | BLACKROCK, INC. | 2012383 | 2.42M | 4.04M | Jun 30, 2026 |
| 8 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 1638555 | 2.25M | 23.83M | Dec 31, 2024 |
| 9 | VANGUARD GROUP INC | 102909 | 2.02M | 4.60M | Dec 31, 2025 |
| 10 | DME CAPITAL MANAGEMENT, LP | 1489933 | 1.96M | 22.32M | Mar 31, 2024 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.80M | 3.01M | Jun 30, 2026 |
| 12 | KENSICO CAPITAL MANAGEMENT CORP | 1113000 | 1.69M | 4.44M | Mar 31, 2025 |
| 13 | DEFIANCE ETFS, LLC | 1732541 | 1.56M | 2.60M | Jun 30, 2026 |
| 14 | TIDAL INVESTMENTS LLC | 1600064 | 1.55M | 2.58M | Jun 30, 2026 |
| 15 | SOURCEROCK GROUP LLC | 1822531 | 1.40M | 2.34M | Jun 30, 2026 |
| 16 | BLACKROCK FINANCE, INC. | 1364742 | 1.38M | 13.56M | Jun 30, 2024 |
| 17 | KHROM CAPITAL MANAGEMENT LLC | 1877963 | 1.08M | 2.85M | Mar 31, 2025 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.01M | 1.68M | Jun 30, 2026 |
| 19 | COHEN & STEERS, INC. | 1284812 | 888.95K | 1.49K | Jun 30, 2026 |
| 20 | GSA CAPITAL PARTNERS LLP | 1362033 | 851.30K | 1.42K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.