Net Power Inc.

NPWRNYSE

$1.39-0.03 (-2.11%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Net Power Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-55.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Share Andrew L.	401.52%	$17.9M	9.23%	Not reported
HITE Hedge Asset Management LLC	75.80%	$4.76M	0.26%	Add 3.23%
Adage Capital Partners GP, L.L.C.	75.47%	$4.74M	0.01%	Add 84.42%
BlackRock, Inc.	64.21%	$4.04M	0.00%	Not reported
Peak6 LLC	52.77%	$3.32M	0.01%	Not reported
Vanguard Capital Management LLC	47.89%	$3.01M	0.00%	Not reported
Defiance ETFs, LLC	41.34%	$2.6M	0.04%	Add 191.76%
Tidal Investments LLC	41.10%	$2.58M	0.00%	Add 190.02%
Zazove Associates LLC	40.75%	$475K	0.04%	Reduce 50.16%
Sourcerock Group LLC	37.21%	$2.34M	0.12%	Reduce 6.92%
Cohen & Steers, Inc.	28.48%	$1.54M	0.00%	Reduce 1.29%
Geode Capital Management, LLC	26.73%	$1.68M	0.00%	Not reported
Gsa Capital Partners LLP	22.62%	$1.42M	0.09%	Not reported
Argentarii, LLC	19.84%	$1.21M	0.36%	Not reported
Two Sigma Investments, LP	17.55%	$1.1M	0.00%	Not reported
State Street Corp	16.59%	$1.04M	0.00%	Not reported
UBS Group AG	16.25%	$1.02M	0.00%	Not reported
Kensico Capital Management Corp	12.06%	$132K	0.00%	Reduce 0.31%
D. E. Shaw & Co., Inc.	11.36%	$693K	0.00%	Not reported
Tudor Investment Corp Et Al	10.56%	$664K	0.00%	Not reported
AQR Capital Management LLC	10.24%	$643K	0.00%	Not reported
Renaissance Technologies LLC	9.41%	$592K	0.00%	Not reported
Boothbay Fund Management, LLC	9.05%	$569K	0.01%	Not reported
Northern Trust Corp	8.90%	$559K	0.00%	Not reported
Vanguard Portfolio Management LLC	8.63%	$542K	0.00%	Not reported
Nuveen, LLC	7.68%	$482K	0.00%	Not reported
Charles Schwab Investment Management Inc	7.66%	$481K	0.00%	Not reported
Vanguard Fiduciary Trust Co	7.51%	$472K	0.00%	Not reported
Toronto Dominion Bank	7.39%	$80.6K	0.00%	Not reported
Morgan Stanley	7.19%	$452K	0.00%	Not reported
Susquehanna International Group, LLP	6.94%	$436K	0.00%	Not reported
Federated Hermes, Inc.	6.60%	$415K	0.00%	Not reported
Caption Management, LLC	6.29%	$238K	0.00%	Not reported
Shelton Capital Management	5.32%	$335K	0.01%	Not reported
Moore Capital Management, LP	4.92%	$171K	0.00%	Not reported
Saba Capital Management, L.P.	4.81%	$56.1K	0.00%	Not reported
Wolverine Asset Management LLC	4.49%	$49K	0.00%	Not reported
Dimensional Fund Advisors LP	4.34%	$273K	0.00%	Not reported
Goldman Sachs Group Inc	4.02%	$253K	0.00%	Not reported
Susquehanna Fundamental Investments, LLC	3.77%	$237K	0.00%	Reduce 22.92%
Alliancebernstein L.P.	3.13%	$184K	0.00%	Not reported
Aristeia Capital, L.L.C.	2.97%	$34.7K	0.00%	Not reported
SIR Capital Management, L.P.	2.91%	$183K	0.02%	Add 6.27%
Arosa Capital Management LP	2.82%	$30.8K	0.01%	Not reported
Los Angeles Capital Management LLC	2.56%	$161K	0.00%	Not reported
Bank of New York Mellon Corp	2.23%	$140K	0.00%	Not reported
Simplex Trading, LLC	2.06%	$130K	0.00%	Not reported
XTX Topco Ltd	1.96%	$123K	0.00%	Not reported
LPL Financial LLC	1.52%	$95.3K	0.00%	Not reported
Deutsche Bank Ag\	1.49%	$93.6K	0.00%	Not reported

50 of 127 holders

Activity score

Premium

100

WEAK

STRONG

Unlock

AI Activity Analysis

Premium

Coming soonAI reads of insider, institutional and company activity will appear here for Premium accounts.

Historical Activity Patterns

Premium

Historical Activity PatternsHistorical periods where multiple activity categories converged, with subsequent market performance shown for context.Unlock