JO
NPWR icon

John Overdeck’s NET Power NPWR Stock Holding History

John Overdeck’s Portfolio NPWR Stock Details NPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.1M Sell
660,570
-419,711
-39% -$760K ﹤0.01% 3538
2026
Q1 		$1.69M Buy
1,080,281
+351,822
+48% +$751K ﹤0.01% 2888
2025
Q4 		$1.66M Sell
728,459
-93,334
-11% -$292K ﹤0.01% 2578
2025
Q3 		$2.47M Buy
821,793
+220,831
+37% +$589K ﹤0.01% 1990
2025
Q2 		$1.48M Buy
600,962
+528,755
+732% +$1.11M ﹤0.01% 2025
2025
Q1 		$190K Buy
72,207
+34,119
+90% +$241K ﹤0.01% 2865
2024
Q4 		$403K Buy
+38,088
New +$373K ﹤0.01% 2631

Other funds holding NPWR

ALS
Andrew L. Share $193M AUM 1.47% 1-Year Est. Return
HHAM
HITE Hedge Asset Management Braintree, Massachusetts $1.83B AUM 34.36% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PEAK6
PEAK6 Chicago, Illinois $48.6B AUM 40.56% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DE
Defiance ETFs New York $7.37B AUM
TI
Tidal Investments Milwaukee, Wisconsin $57.8B AUM 72.54% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

John Overdeck's NPWR Position: Q2 2026 in Review

John Overdeck reduced its NET Power (NPWR) stake by 39% in Q2 2026, selling an estimated $760K and leaving 660,570 shares worth $1.1M. The position accounts for ﹤0.01% of the portfolio, ranked #3538.

John Overdeck first reported a position in NPWR in Q4 2024 and has held it in 7 quarters since. The position peaked at $2.47M in Q3 2025. 120 funds tracked by Wall St. Rank hold NPWR as of Q2 2026.

  • John Overdeck held 660,570 shares of NET Power worth $1.1M as of Q2 2026.
  • John Overdeck sold 419,711 NET Power shares in Q2 2026, an estimated $760K.
  • NET Power made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3538 holding.
  • John Overdeck first reported a position in NET Power in Q4 2024 and has held it in 7 quarters since.
  • John Overdeck's NET Power position peaked at $2.47M in Q3 2025.
  • 120 funds tracked by Wall St. Rank held NET Power as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.