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NPWR logo NPWR — NET POWER INC

CUSIP: 64107A105 · Held by 3 superinvestors · Combined value: $30,688,395

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Quarterly Activity Chart Adds vs. Reduces by Quarter
Green bars = share additions · Red bars = share reductions
Superinvestor Holders
# Investor % of Portfolio Value ($) Shares Recent Activity Share Change
1 David Einhorn 1.5% $30,220,311 2,992,110 ADD +155,000
2 Ken Griffin 0.0% $252,396 110,700 REDUCE -93,244
3 Jim Simons 0.0% $215,688 94,600 NEW BUY +94,600
Quarterly Activity History (4 quarters)
Investor Activity Share Change % Change
Jim Simons NEW BUY +94,600 New
Ken Griffin REDUCE -93,244 -45.7%
Investor Activity Share Change % Change
Ken Griffin ADD +102,944 +101.9%
Investor Activity Share Change % Change
David Einhorn ADD +155,000 +5.5%
Investor Activity Share Change % Change
David Einhorn ADD +327,110 +13.0%

Who Owns NPWR? Superinvestor Holdings

NET POWER INC is held by 3 tracked superinvestors, with a combined position value of $31 million . The largest positions are held by David Einhorn (1.5% of portfolio), Ken Griffin (0.0% of portfolio), Jim Simons (0.0% of portfolio).

In the most recent quarter, 2 superinvestors added or initiated positions while 1 reduced or exited.