Who Owns NET Power Inc. (NPWR)?Hedge Fund & Institutional Holders

$1.72-0.15 (-8.29%)IndustrialsNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$2.2269000500000043e+214T

% of Float Held

2.547516821933056e+252%

QoQ Change in Holders

+14 / -1

Price History

$1.50$4.45$7.39$10.34$13.29Aug 24Jun 25Mar 26

NPWR — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Share Andrew L.New Position+9.8M+$22.3B
Sourcerock Group LLCNew Position+1.5M+$3.4B
PEAK6 LLCNew Position+1.3M+$3.0B
Argentarii, LLCNew Position+264K+$600.0M
CenterBook Partners LPIncreased+600K+$242.5M
THOMPSON DAVIS & CO., INC.New Position+18K+$41.0M
INTEGRITY ALLIANCE, LLC.New Position+17K+$39.0M
NISA INVESTMENT ADVISORS, LLCNew Position+7K+$16.0M
EQ WEALTH ADVISORS, LLCNew Position+3K+$6.0M
Blue Trust, Inc.New Position+1K+$3.0M
SJS Investment Consulting Inc.New Position+527+$1.0M
CHESAPEAKE ASSET MANAGEMENT LLCNew Position+87K+$984K
Schonfeld Strategic Advisors LLCNew Position+11K+$25K
TRUIST FINANCIAL CORPNew Position+10K+$22K
Strive Financial Group ,LLCNew Position+5K+$11K

NPWR — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
ADAGE CAPITAL PARTNERS GP, L.L.C.Decreased-970K-$4.6B
MILLENNIUM MANAGEMENT LLCDecreased-89K-$2.1B
WELLINGTON MANAGEMENT GROUP LLPDecreased-242K-$1.6B
TWO SIGMA INVESTMENTS, LPDecreased-93K-$1.5B
SUSQUEHANNA INTERNATIONAL GROUP, LLPDecreased-181K-$1.3B
HITE Hedge Asset Management LLCDecreased-227K-$1.2B
UBS Group AGDecreased-366K-$1.1B
DIMENSIONAL FUND ADVISORS LPDecreased-149K-$1.0B
Walleye Capital LLCClosed Position-285K-$857.6M
Caption Management, LLCDecreased-259K-$843.9M
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-247-$807.6M
NORTHERN TRUST CORPDecreased-2K-$770.3M
TWO SIGMA ADVISERS, LPDecreased-140K-$728.1M
JPMORGAN CHASE & CODecreased-180K-$640.0M
GROUP ONE TRADING LLCDecreased-189K-$584.9M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Share Andrew L.9,767,500$22.3B11.25%Share
2MILLENNIUM MANAGEMENT LLC2,276,592$5.0B0.00%Share
3CenterBook Partners LP1,848,073$4.0B0.20%Share
4Sourcerock Group LLC1,496,482$3.4B0.19%Share
5ADAGE CAPITAL PARTNERS GP, L.L.C.1,540,000$3.0B0.00%Share
6PEAK6 LLC1,347,039$3.0B0.01%Share
7HITE Hedge Asset Management LLC749,091$1.7B0.11%Share
8TWO SIGMA INVESTMENTS, LP728,459$1.0B0.00%Share
9Nuveen, LLC689,537$1.0B0.00%Share
10Argentarii, LLC263,507$600.0M0.20%Share
11GROUP ONE TRADING LLC135,200$308.0M0.00%Call
12SIR Capital Management, L.P.103,178$235.0M0.03%Share
13Caption Management, LLC86,228$196.0M0.00%Share
14MOORE CAPITAL MANAGEMENT, LP85,000$193.0M0.00%Share
15UBS Group AG42,691$97.0M0.00%Share
16Kovitz Investment Group Partners, LLC26,380$60.0M0.00%Share
17GROUP ONE TRADING LLC22,985$52.0M0.00%Share
18UBS Group AG21,805$49.0M0.00%Share
19GROUP ONE TRADING LLC18,000$41.0M0.00%Put
20THOMPSON DAVIS & CO., INC.18,111$41.0M0.02%Share
21Kapstone Financial Advisors LLC17,395$39.0M0.02%Share
22INTEGRITY ALLIANCE, LLC.17,400$39.0M0.00%Share
23NISA INVESTMENT ADVISORS, LLC7,020$16.0M0.00%Share
24Invesco Ltd.7,012$15.0M0.00%Share
25FIFTH THIRD BANCORP5,000$11.0M0.00%Share
26Invesco Ltd.4,571$10.0M0.00%Share
27EQ WEALTH ADVISORS, LLC2,786$6.0M0.00%Share
28VANGUARD GROUP INC1,758,770$4.0M0.00%Share
29Blue Trust, Inc.1,390$3.0M0.00%Share
30COHEN & STEERS, INC.944,587$2.2M0.00%Share
31BlackRock, Inc.1,047,550$2.0M0.00%Share
32Optiver Holding B.V.604$1.0M0.00%Share
33Empowered Funds, LLC444,734$1.0M0.01%Share
34SJS Investment Consulting Inc.527$1.0M0.00%Share
35BlackRock, Inc.748,140$1.0M0.00%Share
36STATE STREET CORP603,694$1.0M0.00%Share
37CHESAPEAKE ASSET MANAGEMENT LLC20,850$314K0.30%Share
38CHESAPEAKE ASSET MANAGEMENT LLC24,000$312K0.28%Share
39Worth Venture Partners, LLC80,250$182K1.32%Share
40CHESAPEAKE ASSET MANAGEMENT LLC7,000$79K0.08%Share
41CHESAPEAKE ASSET MANAGEMENT LLC7,000$74K0.07%Share
42CHESAPEAKE ASSET MANAGEMENT LLC7,000$70K0.06%Share
43CHESAPEAKE ASSET MANAGEMENT LLC7,000$68K0.06%Share
44CHESAPEAKE ASSET MANAGEMENT LLC7,000$49K0.04%Share
45Legacy Advisors, LLC16,393$37K0.00%Share
46Schonfeld Strategic Advisors LLC11,179$25K0.00%Share
47TRUIST FINANCIAL CORP10,000$22K0.00%Share
48CHESAPEAKE ASSET MANAGEMENT LLC7,000$18K0.02%Share
49Strive Financial Group ,LLC5,000$11K0.01%Share
50CWM, LLC2,852$7K0.00%Share

NPWR Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025113$46.1B+33
Q3 202580$43.6B-1
Q2 202581$53.1B-26
Q1 2025107$68.2B-3
Q4 2024110$348.1B+38
Q3 202472$822.3B-4
Q2 202476$3.9T+18
Q1 202458$246.7T—

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As of Q4 2025, 50 institutional investors hold NPWR (NET Power Inc.). The largest holder is Share Andrew L. with $22.3B in shares. This quarter, 14 institutions opened new positions and 1 closed their positions.

Frequently Asked Questions

How many hedge funds own NPWR?

As of Q4 2025, 50 institutional investors report holding NPWR (NET Power Inc.) in their 13F filings.

Who is the largest institutional holder of NPWR?

The largest institutional holder of NPWR is Share Andrew L. with $22.3B in shares.

Is institutional ownership of NPWR increasing or decreasing?

This quarter, 14 institutions opened new positions in NPWR and 1 closed their positions.