Adage Capital Partners’s NET Power NPWR Stock Holding History

Adage Capital Partners’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	$4.74M	Buy	2,840,000 +1,300,000	+84%	+$2.35M	0.01%	815
2026 Q1	$2.4M	Hold	1,540,000	–	–	﹤0.01%	828
2025 Q4	$3.51M	Sell	1,540,000 -969,868	-39%	-$3.03M	0.01%	797
2025 Q3	$7.55M	Sell	2,509,868 -330,132	-12%	-$881K	0.01%	681
2025 Q2	$7.01M	Buy	2,840,000 +400,000	+16%	+$840K	0.01%	671
2025 Q1	$6.42M	Buy	2,440,000 +2,040,000	+510%	+$14.4M	0.01%	665
2024 Q4	$4.24M	Sell	400,000 -200,000	-33%	-$1.96M	0.01%	731
2024 Q3	$4.21M	Sell	600,000 -73,350	-11%	-$617K	0.01%	732
2024 Q2	$6.62M	Buy	673,350 +408,350	+154%	+$4.33M	0.01%	675
2024 Q1	$3.02M	Sell	265,000 -428,148	-62%	-$3.87M	0.01%	747
2023 Q4	$7M	Sell	693,148 -154,063	-18%	-$1.85M	0.01%	650
2023 Q3	$12.8M	Sell	847,211 -731,218	-46%	-$10.3M	0.03%	516
2023 Q2	$20.5M	Sell	1,578,429 -1,021,571	-39%	-$11.4M	0.04%	398
2023 Q1	$26.6M	Hold	2,600,000	–	–	0.06%	348
2022 Q4	$26.4M	Sell	2,600,000 -100,000	-4%	-$1M	0.06%	353
2022 Q3	$26.6M	Hold	2,700,000	–	–	0.07%	327
2022 Q2	$26.4M	Hold	2,700,000	–	–	0.06%	334
2022 Q1	$26.6M	Hold	2,700,000	–	–	0.05%	376
2021 Q4	$27M	Hold	2,700,000	–	–	0.05%	377
2021 Q3	$26.8M	Buy	+2,700,000	New	+$26.5M	0.05%	358

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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

PEAK6 Chicago, Illinois $48.6B AUM 40.56% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Defiance ETFs New York $7.37B AUM

Tidal Investments Milwaukee, Wisconsin $57.8B AUM 72.54% 1-Year Est. Return

Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return

Adage Capital Partners's NPWR Position: Q2 2026 in Review

Adage Capital Partners increased its NET Power (NPWR) stake by 84% in Q2 2026, buying an estimated $2.35M and bringing the position to 2,840,000 shares worth $4.74M. The position accounts for 0.01% of the portfolio, ranked #815.

Adage Capital Partners first reported a position in NPWR in Q3 2021 and has held it in 20 quarters since. The position peaked at $27M in Q4 2021. 121 funds tracked by Wall St. Rank hold NPWR as of Q2 2026.

Adage Capital Partners held 2,840,000 shares of NET Power worth $4.74M as of Q2 2026.
Adage Capital Partners bought 1,300,000 NET Power shares in Q2 2026, an estimated $2.35M.
NET Power made up 0.01% of Adage Capital Partners's portfolio in Q2 2026, its #815 holding.
Adage Capital Partners first reported a position in NET Power in Q3 2021 and has held it in 20 quarters since.
Adage Capital Partners's NET Power position peaked at $27M in Q4 2021.
121 funds tracked by Wall St. Rank held NET Power as of Q2 2026.

Based on Adage Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.