NET Power Inc. - NPWR

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Share Andrew L. History No change 9,767,500 15,237 7.11% 11.25% 1 0 0.0% Q1 2026 Apr 28, 2026
VANGUARD GROUP INC History No change 2,017,263 4,599 0.0% 0.0% 2 0 0.0% Q4 2025 Jan 29, 2026
HITE Hedge Asset Management LLC History Added to 2,763,424 4,310 0.24% 0.11% 3 +2,014,333 268.9% Q1 2026 May 14, 2026
PEAK6 LLC History Added to 2,287,515 3,568 0.01% 0.01% 4 +940,476 69.82% Q1 2026 May 13, 2026
BlackRock, Inc. History Added to 2,142,916 3,342 0.0% 0.0% 5 +147,690 7.4% Q1 2026 May 13, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 1,643,795 2,564 0.0% 6 +1,643,795 New Q1 2026 May 15, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C. History No change 1,540,000 2,402 0.0% 0.01% 7 0 0.0% Q1 2026 May 15, 2026
Sourcerock Group LLC History Added to 1,504,126 2,346 0.09% 0.19% 8 +7,644 0.51% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Added to 1,080,281 1,685 0.0% 0.0% 9 +351,822 48.3% Q1 2026 May 15, 2026
COHEN & STEERS, INC. History Reduced 892,140 1,392 0.0% 0.0% 10 -52,447 -5.55% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 860,386 1,342 0.0% 0.0% 11 +28,839 3.47% Q1 2026 May 15, 2026
Argentarii, LLC History Added to 748,649 1,167 0.41% 0.2% 12 +485,142 184.11% Q1 2026 May 12, 2026
Nuveen, LLC History Added to 713,760 1,113 0.0% 0.0% 13 +11,369 1.62% Q1 2026 Apr 30, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 703,800 1,097 0.0% 0.0% 14 +609,200 643.97% Q1 2026 May 14, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 682,705 1,065 0.0% 0.0% 15 -1,593,887 -70.01% Q1 2026 May 15, 2026
STATE STREET CORP History Added to 613,534 957 0.0% 0.0% 16 +9,840 1.63% Q1 2026 May 15, 2026
Defiance ETFs, LLC History New 533,253 831 0.01% 18 +533,253 New Q1 2026 May 15, 2026
Tidal Investments LLC History Added to 533,253 831 0.0% 0.0% 17 +299,008 127.65% Q1 2026 May 15, 2026
CenterBook Partners LP History Reduced 437,771 682 0.04% 0.21% 19 -1,410,302 -76.31% Q1 2026 May 05, 2026
TUDOR INVESTMENT CORP ET AL History Added to 431,153 672 0.0% 0.0% 20 +346,266 407.91% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 430,324 671 0.0% 0.0% 21 -26,775 -5.86% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History Added to 373,581 582 0.0% 0.0% 22 +262,881 237.47% Q1 2026 May 15, 2026
UBS Group AG History Added to 369,873 577 0.0% 0.0% 23 +305,377 473.48% Q1 2026 May 05, 2026
BOOTHBAY FUND MANAGEMENT, LLC History Reduced 295,951 461 0.01% 0.01% 24 -4,594 -1.53% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Added to 292,024 455 0.0% 0.0% 25 +38,010 14.96% Q1 2026 May 14, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 269,518 420 0.0% 0.0% 26 +1,474 0.55% Q1 2026 May 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 264,699 412 0.0% 27 +264,699 New Q1 2026 May 08, 2026
GOLDMAN SACHS GROUP INC History Reduced 260,565 406 0.0% 0.0% 28 -43,097 -14.19% Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 249,023 388 0.0% 29 +249,023 New Q1 2026 May 08, 2026
FEDERATED HERMES, INC. History Added to 241,592 376 0.0% 0.0% 30 +162,566 205.71% Q1 2026 May 11, 2026
D. E. Shaw & Co., Inc. History Added to 235,397 367 0.0% 0.0% 31 +157,716 203.03% Q1 2026 May 15, 2026
SHELTON CAPITAL MANAGEMENT History No change 200,300 312 0.01% 0.01% 32 0 0.0% Q1 2026 May 15, 2026
GSA CAPITAL PARTNERS LLP History New 186,240 291 0.02% 33 +186,240 New Q1 2026 May 08, 2026
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC History New 184,083 287 0.01% 34 +184,083 New Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 183,795 286 0.0% 0.0% 35 -119,902 -39.48% Q1 2026 May 15, 2026
Squarepoint Ops LLC History New 166,242 259 0.0% 36 +166,242 New Q1 2026 May 15, 2026
Empowered Funds, LLC History Reduced 155,000 241 0.0% 0.02% 37 -289,734 -65.15% Q1 2026 May 14, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 153,493 239 0.0% 0.0% 38 +96,895 171.2% Q1 2026 May 15, 2026
TWO SIGMA ADVISERS, LP History No change 102,400 233 0.0% 0.0% 39 0 0.0% Q4 2025 Feb 17, 2026
ALLIANCEBERNSTEIN L.P. History No change 101,680 231 0.0% 0.0% 40 0 0.0% Q1 2026 May 15, 2026
Janney Montgomery Scott LLC History Added to 133,000 207 0.0% 0.0% 41 +12,351 10.24% Q1 2026 Apr 22, 2026
JANE STREET GROUP, LLC History Reduced 127,748 199 0.0% 0.0% 42 -675,212 -84.09% Q1 2026 May 12, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 103,121 160 0.0% 0.0% 43 -84,545 -45.05% Q1 2026 May 07, 2026
SIR Capital Management, L.P. History No change 103,178 160 0.01% 0.03% 44 0 0.0% Q1 2026 May 15, 2026
MOORE CAPITAL MANAGEMENT, LP History No change 85,000 132 0.0% 0.0% 45 0 0.0% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Reduced 84,046 131 0.0% 0.0% 46 -121 -0.14% Q1 2026 May 05, 2026
DEUTSCHE BANK AG\ History Added to 54,177 84 0.0% 0.0% 47 +34,612 176.91% Q1 2026 May 06, 2026
LPL Financial LLC History Added to 53,025 82 0.0% 0.0% 48 +12,250 30.04% Q1 2026 May 06, 2026
Polymer Capital Management (US) LLC History Added to 50,926 79 0.01% 0.01% 49 +8,771 20.81% Q1 2026 May 13, 2026
RHUMBLINE ADVISERS History Added to 49,114 76 0.0% 0.0% 50 +4,986 11.3% Q1 2026 May 12, 2026
OSAIC HOLDINGS, INC. History Reduced 40,985 63 0.0% 0.0% 51 -1,250 -2.96% Q1 2026 May 15, 2026
Qube Research & Technologies Ltd History New 36,577 57 0.0% 52 +36,577 New Q1 2026 May 15, 2026
LMR Partners LLP History Added to 35,872 55 0.0% 0.0% 53 +26,821 296.33% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Added to 35,083 54 0.0% 0.0% 54 +10,034 40.06% Q1 2026 May 15, 2026
Point72 Asset Management, L.P. History Reduced 34,091 53 0.0% 0.0% 55 -206,881 -85.85% Q1 2026 May 15, 2026
SIG BROKERAGE, LP History No change 31,942 49 0.0% 0.0% 56 0 0.0% Q1 2026 May 15, 2026
Engineers Gate Manager LP History Reduced 30,950 48 0.0% 0.0% 57 -1,572 -4.83% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History Reduced 28,815 44 0.0% 0.0% 58 -20,430 -41.49% Q1 2026 May 11, 2026
Family Manage LLC History Added to 26,233 40 0.0% 0.01% 59 +11 0.04% Q1 2026 May 15, 2026
Caption Management, LLC History Reduced 19,878 31 0.0% 0.0% 60 -66,350 -76.95% Q1 2026 May 15, 2026
OXFORD ASSET MANAGEMENT LLP History New 19,566 30 0.01% 61 +19,566 New Q1 2026 May 15, 2026
SUMMIT SECURITIES GROUP LLC History New 19,263 30 0.0% 62 +19,263 New Q1 2026 Apr 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 17,028 27 0.0% 0.0% 63 0 0.0% Q1 2026 May 15, 2026
INTEGRITY ALLIANCE, LLC. History No change 17,400 27 0.0% 0.0% 64 0 0.0% Q1 2026 May 11, 2026
Kapstone Financial Advisors LLC History No change 17,395 27 0.01% 0.02% 65 0 0.0% Q1 2026 Apr 22, 2026
GROUP ONE TRADING LLC History Reduced 16,867 26 0.0% 0.0% 66 -24,118 -58.85% Q1 2026 May 13, 2026
JPMORGAN CHASE & CO History Reduced 16,902 25 0.0% 0.0% 67 -15,907 -48.48% Q1 2026 May 13, 2026
Legacy Advisors, LLC History No change 16,393 25 0.0% 0.0% 68 0 0.0% Q1 2026 May 05, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 15,119 23 0.0% 0.0% 69 +490 3.35% Q1 2026 May 15, 2026
CAPTRUST FINANCIAL ADVISORS History Added to 14,418 22 0.0% 0.0% 70 +4,404 43.98% Q1 2026 May 14, 2026
SEI INVESTMENTS CO History No change 12,854 20 0.0% 0.0% 71 0 0.0% Q1 2026 May 13, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History New 12,447 19 0.0% 72 +12,447 New Q1 2026 May 15, 2026
Private Advisor Group, LLC History New 12,200 19 0.0% 73 +12,200 New Q1 2026 Apr 24, 2026
XTX Topco Ltd History Reduced 12,090 18 0.0% 0.0% 75 -36,712 -75.23% Q1 2026 May 15, 2026
Vanguard Global Advisers, LLC History New 12,172 18 0.0% 76 +12,172 New Q1 2026 May 08, 2026
SIMPLEX TRADING, LLC History Reduced 12,100 18 0.0% 0.0% 74 -300 -2.42% Q1 2026 May 14, 2026
IMC-Chicago, LLC History New 10,900 17 0.0% 78 +10,900 New Q1 2026 May 05, 2026
Invesco Ltd. History Reduced 11,284 17 0.0% 0.0% 77 -299 -2.58% Q1 2026 May 12, 2026
INTECH INVESTMENT MANAGEMENT LLC History Reduced 10,786 16 0.0% 0.0% 79 -3,948 -26.8% Q1 2026 May 08, 2026
Tower Research Capital LLC (TRC) History Added to 10,633 16 0.0% 0.0% 80 +3,459 48.22% Q1 2026 May 15, 2026
TRUIST FINANCIAL CORP History No change 10,000 15 0.0% 0.0% 81 0 0.0% Q1 2026 Apr 27, 2026
CWM, LLC History Added to 9,199 14 0.0% 0.0% 82 +6,347 222.55% Q1 2026 May 14, 2026
AlphaQuest LLC History No change 6,275 14 0.0% 0.0% 83 0 0.0% Q4 2025 Feb 09, 2026
BARCLAYS PLC History Reduced 8,839 13 0.0% 0.0% 84 -45,911 -83.86% Q1 2026 May 14, 2026
NBC SECURITIES, INC. History Added to 6,340 9 0.0% 0.0% 85 +5,000 373.13% Q1 2026 Apr 14, 2026
ROYAL BANK OF CANADA History Reduced 4,468 7 0.0% 0.0% 88 -585 -11.58% Q1 2026 May 15, 2026
FIFTH THIRD BANCORP History No change 5,000 7 0.0% 0.0% 86 0 0.0% Q1 2026 May 01, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 5,100 7 0.0% 0.0% 87 0 0.0% Q1 2026 May 06, 2026
Police & Firemen's Retirement System of New Jersey History No change 4,252 6 0.0% 0.0% 89 0 0.0% Q1 2026 Apr 29, 2026
Essential Partners LLC History Added to 2,758 4 0.0% 93 +2,703 4914.55% Q1 2026 May 21, 2026
Russell Investments Group, Ltd. History Reduced 2,812 4 0.0% 0.0% 92 -2,064 -42.33% Q1 2026 May 08, 2026
Legal & General Group Plc History No change 3,095 4 0.0% 0.0% 90 0 0.0% Q1 2026 May 08, 2026
JONES FINANCIAL COMPANIES LLLP History No change 3,077 4 0.0% 0.0% 91 0 0.0% Q1 2026 May 15, 2026
FMR LLC History Reduced 2,042 3 0.0% 0.0% 94 -2,906 -58.73% Q1 2026 May 15, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Added to 2,298 3 0.0% 0.0% 96 +369 19.13% Q1 2026 May 15, 2026
Ameritas Investment Partners, Inc. History No change 2,072 3 0.0% 0.0% 95 0 0.0% Q1 2026 May 13, 2026
CITIGROUP INC History Added to 1,586 2 0.0% 0.0% 97 +685 76.03% Q1 2026 May 11, 2026
Sterling Capital Management LLC History Reduced 1,299 2 0.0% 0.0% 98 -513 -28.31% Q1 2026 Apr 22, 2026
Blue Trust, Inc. History No change 1,390 2 0.0% 0.0% 99 0 0.0% Q1 2026 Apr 20, 2026
Caitong International Asset Management Co., Ltd History Reduced 720 1 0.0% 0.0% 102 -5,706 -88.8% Q1 2026 May 11, 2026
EverSource Wealth Advisors, LLC History Added to 928 1 0.0% 101 +781 531.29% Q1 2026 May 15, 2026
Capital Analysts, LLC History No change 522 1 0.0% 0.0% 100 0 0.0% Q1 2026 May 14, 2026
McMillan Office, Inc. History No change 1,000 1 0.0% 0.0% 103 0 0.0% Q1 2026 Apr 23, 2026
WELLINGTON MANAGEMENT GROUP LLP History Closed out 0 0 0.0% -274,327 -100.0% Q1 2026 May 15, 2026
Worth Venture Partners, LLC History Closed out 0 0 1.32% -80,250 -100.0% Q1 2026 May 14, 2026
Quantbot Technologies LP History Closed out 0 0 0.0% -60,215 -100.0% Q1 2026 May 13, 2026
Graham Capital Management, L.P. History Closed out 0 0 0.0% -59,786 -100.0% Q1 2026 May 15, 2026
Atom Investors LP History Closed out 0 0 0.01% -55,094 -100.0% Q1 2026 May 15, 2026
Verition Fund Management LLC History Closed out 0 0 0.0% -30,321 -100.0% Q1 2026 May 15, 2026
NorthCoast Asset Management LLC History Closed out 0 0 0.0% -26,380 -100.0% Q1 2026 May 13, 2026
Jain Global LLC History Closed out 0 0 0.0% -25,029 -100.0% Q1 2026 May 15, 2026
TWO SIGMA SECURITIES, LLC History Closed out 0 0 0.01% -21,454 -100.0% Q1 2026 May 15, 2026
THOMPSON DAVIS & CO., INC. History Closed out 0 0 0.02% -18,111 -100.0% Q1 2026 Apr 16, 2026
Schonfeld Strategic Advisors LLC History Closed out 0 0 0.0% -11,179 -100.0% Q1 2026 May 15, 2026
NISA INVESTMENT ADVISORS, LLC History Reduced 431 0 0.0% -6,589 -93.86% Q1 2026 Apr 30, 2026
Strive Financial Group ,LLC History Closed out 0 0 0.01% -5,000 -100.0% Q1 2026 May 15, 2026
EQ WEALTH ADVISORS, LLC History Closed out 0 0 0.0% -2,786 -100.0% Q1 2026 May 01, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -988 -100.0% Q1 2026 May 08, 2026
SJS Investment Consulting Inc. History Reduced 11 0 0.0% -516 -97.91% Q1 2026 Apr 23, 2026
GAMMA Investing LLC History Closed out 0 0 -309 -100.0% Q1 2026 Apr 06, 2026
Optiver Holding B.V. History Reduced 300 0 0.0% -304 -50.33% Q1 2026 May 15, 2026
Allworth Financial LP History Added to 325 0 +265 441.67% Q1 2026 May 14, 2026
Rialto Wealth Management, LLC History New 237 0 +237 New Q1 2026 May 14, 2026
ROTHSCHILD INVESTMENT LLC History Added to 146 0 +133 1023.08% Q1 2026 May 07, 2026
Arax Advisory Partners History New 121 0 +121 New Q1 2026 May 13, 2026
IFP Advisors, Inc History Added to 115 0 +114 11400.0% Q1 2026 Apr 13, 2026
Farther Finance Advisors, LLC History Added to 176 0 +73 70.87% Q1 2026 Apr 07, 2026
Private Wealth Management Group, LLC History Closed out 0 0 -50 -100.0% Q1 2026 Apr 23, 2026
Sunbelt Securities, Inc. History New 37 0 +37 New Q1 2026 May 15, 2026
MAI Capital Management History New 21 0 +21 New Q1 2026 May 15, 2026
True Wealth Design, LLC History Reduced 12 0 -2 -14.29% Q1 2026 Apr 13, 2026
Clearstead Advisors, LLC History No change 189 0 0 0.0% Q1 2026 May 06, 2026
SBI Securities Co., Ltd. History No change 5 0 0 0.0% Q1 2026 Apr 27, 2026
Fortitude Family Office, LLC History No change 298 0 0 0.0% Q1 2026 Apr 15, 2026