NET Power Inc.

NPWR.WS • NYSE

NET Power Inc. is a electrical industrial apparatus company on NYSE. As of Q3 2025, 21 institutional investors hold shares in this company, with total holdings valued at $7.8M. Share Andrew L. is the largest holder with a position valued at $4.0M.

ELECTRICAL INDUSTRIAL APPARATUS

Employees43.0

Websitenetpower.com

Country

United States of America

Overview

Overview of institutional ownership in NPWR.WS as of Q3 2025

All Institutions

Institutions: 21
Value Held: $7.8M
Shares Held: 10.2M
Avg Position: $372.7K
Median Position: $70.5K

Hedge Funds

Hedge Funds: 10
Value Held: $2.2M
Shares Held: 2.9M
Avg Position: $215.1K
Median Position: $91.8K

Biggest Investors

Institutions with the largest positions in NPWR.WS as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
S Share Andrew L. Institution	-	$4.0M 2.77% of portfolio	0.00% 5.3M shares	Q2 2023 Held for 2y 5m	$144.6M
L LMR Partners LLP Institution	-	$1.3M 0.02% of portfolio	0.00% 1.7M shares	Q1 2024 Held for 1y 8m	$5.1B
ZAZOVE ASSOCIATES LLC Hedge Fund•Multi-Strategy	Gene Thomas Pretti CEO	$1.1M 2.25% of portfolio	0.00% 1.5M shares	Q1 2025 Held for 8 months	$49.9M
KENSICO CAPITAL MANAGEMENT CORP Hedge Fund•Multi-Strategy	Michael Bernard Lowenstein President	$361.8K 0.01% of portfolio	0.00% 482.4K shares	Q4 2022 Held for 2y 11m	$6.5B
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	Ari Louis Glass Managing Partner	$232.9K 0.01% of portfolio	0.00% 77.4K shares	Q4 2024 Held for 11 months	$3.8B
I Ionic Capital Management LLC Hedge Fund•Multi-Strategy	Bart Ethan Baum CIO	$158.4K 0.19% of portfolio	0.00% 211.2K shares	Q1 2025 Held for 8 months	$83.1M
S Saba Capital Management, L.P. Hedge Fund•Multi-Strategy	Boaz Ronald Weinstein Founder	$154.5K 0.01% of portfolio	0.00% 206.0K shares	Q3 2024 Held for 1y 2m	$3.0B
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	Christopher Lazarus Gust CEO	$99.0K 0.01% of portfolio	0.00% 132.1K shares	Q2 2023 Held for 2y 5m	$1.5B
ARISTEIA CAPITAL LLC Hedge Fund•Multi-Strategy	Andrew Benjamin David COO	$84.6K 0.00% of portfolio	0.00% 111.9K shares	Q4 2024 Held for 11 months	$2.0B
Arosa Capital Management LP Hedge Fund•Multi-Strategy	Till August Bechtolsheimer CEO	$79.7K 0.13% of portfolio	0.00% 106.2K shares	Q4 2022 Held for 2y 11m	$60.9M

Net Capital Flow

Institutional buying and selling activity for NPWR.WS in Q3 2025

Traded: −$54.5K
Buyers: 3
Sellers: 7
Total Bought: +$58.1K
Total Sold: −$112.7K
Avg Position: $340.3K

Biggest Buyers

Institution	Net Bought	Current Position
ZAZOVE ASSOCIATES LLC Hedge Fund•Multi-Strategy	+$46.4K +61.4K shares	$1.1M 1.5M shares
Caption Management, LLC Hedge Fund•Long/Short	+$11.6K +15.5K shares	$11.6K 15.5K shares
T Tower Research Capital LLC Institution	+$73.0 +99.0 shares	$73.0 99.0 shares

Biggest Sellers

Institution	Net Sold	Current Position
S Saba Capital Management, L.P. Hedge Fund•Multi-Strategy	−$40.6K −54.1K shares	$154.5K 206.0K shares
I Ionic Capital Management LLC Hedge Fund•Multi-Strategy	−$29.1K −38.8K shares	$158.4K 211.2K shares
TORONTO DOMINION BANK Institution	−$18.5K −24.6K shares	$70.5K 94.1K shares
OZ MANAGEMENT LP Hedge Fund•Multi-Strategy	−$12.0K −15.8K shares	$64.6K 85.5K shares
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$6.6K −8.8K shares	$99.0K 132.1K shares
C CSS LLC/IL Institution	−$5.9K −17.8K shares	Sold Off 0 shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	−$80.0 −243.0 shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited NPWR.WS in Q3 2025

New Positions: 2
New Value: $11.7K
Exited Positions: 2
Exited Value: $5.9K

New Positions

Institution	Position Value
Caption Management, LLC Hedge Fund•Long/Short	$11.6K 15.5K shares
T Tower Research Capital LLC Institution	$73.0 99.0 shares

Exited Positions

Institution	Previous Position
C CSS LLC/IL Institution	$5.9K 17.8K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	$80.0 243.0 shares

Options Activity

Institutions with the largest Call and Put options positions in NPWR.WS as of Q3 2025

Call Positions: 1
Call Value: $164.0K
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$164.0K 2.2K contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with NPWR.WS as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
S Share Andrew L. Institution	-	2.77% $4.0M	0.00% 5.3M shares	Q2 2023 Held for 2y 5m	$144.6M
ZAZOVE ASSOCIATES LLC Hedge Fund•Multi-Strategy	Gene Thomas Pretti CEO	2.25% $1.1M	0.00% 1.5M shares	Q1 2025 Held for 8 months	$49.9M
I Ionic Capital Management LLC Hedge Fund•Multi-Strategy	Bart Ethan Baum CIO	0.19% $158.4K	0.00% 211.2K shares	Q1 2025 Held for 8 months	$83.1M
Arosa Capital Management LP Hedge Fund•Multi-Strategy	Till August Bechtolsheimer CEO	0.13% $79.7K	0.00% 106.2K shares	Q4 2022 Held for 2y 11m	$60.9M
L LMR Partners LLP Institution	-	0.02% $1.3M	0.00% 1.7M shares	Q1 2024 Held for 1y 8m	$5.1B
T Teilinger Capital Ltd. Institution	-	0.02% $18.8K	0.00% 25.0K shares	Q1 2024 Held for 1y 8m	$93.2M
K K2 PRINCIPAL FUND, L.P. Institution	-	0.01% $34.6K	0.00% 46.2K shares	Q4 2024 Held for 11 months	$265.6M
Thomas J. Herzfeld Advisors, Inc. Long Only Manager	Thomas Jay Herzfeld Chairman	0.01% $24.6K	0.00% 32.8K shares	Q4 2022 Held for 2y 11m	$291.7M
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	Christopher Lazarus Gust CEO	0.01% $99.0K	0.00% 132.1K shares	Q2 2023 Held for 2y 5m	$1.5B
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	Ari Louis Glass Managing Partner	0.01% $232.9K	0.00% 77.4K shares	Q4 2024 Held for 11 months	$3.8B