Millennium Management
NPWR icon

Millennium Management’s NET Power NPWR Stock Holding History

Millennium Management’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
Q1 		$1.07M Sell
682,705
-1,593,887
-70% -$3.4M ﹤0.01% 4349
2025
Q4 		$5.19M Sell
2,276,592
-88,654
-4% -$277K ﹤0.01% 2969
2025
Q3 		$7.12M Buy
2,365,246
+1,206,450
+104% +$3.22M ﹤0.01% 2742
2025
Q2 		$2.86M Buy
1,158,796
+467,616
+68% +$982K ﹤0.01% 3555
2025
Q1 		$1.82M Buy
691,180
+296,796
+75% +$2.09M ﹤0.01% 3871
2024
Q4 		$4.18M Buy
394,384
+319,169
+424% +$3.13M ﹤0.01% 2982
2024
Q3 		$527K Buy
75,215
+47,226
+169% +$397K ﹤0.01% 4789
2024
Q2 		$275K Sell
27,989
-23,082
-45% -$245K ﹤0.01% 4963
2024
Q1 		$582K Buy
+51,071
New +$462K ﹤0.01% 4717
2023
Q4 		– Sell
-398,732
Closed -$6.02M – 6378
2023
Q3 		$6.02M Sell
398,732
-322,994
-45% -$4.54M ﹤0.01% 2531
2023
Q2 		$9.38M Sell
721,726
-485,529
-40% -$5.4M ﹤0.01% 2084
2023
Q1 		$12.4M Buy
1,207,255
+232,571
+24% +$2.38M 0.01% 1754
2022
Q4 		$9.91M Buy
974,684
+100,000
+11% +$1M 0.01% 2131
2022
Q3 		$8.62M Sell
874,684
-1,251
-0.1% -$12.3K 0.01% 2326
2022
Q2 		$8.55M Sell
875,935
-1,251
-0.1% -$12.3K 0.01% 2232
2022
Q1 		$8.65M Buy
877,186
+2,502
+0.3% +$24.6K ﹤0.01% 2312
2021
Q4 		$8.75M Buy
+874,684
New +$8.75M ﹤0.01% 2292

Other funds holding NPWR

ALS
Andrew L. Share $193M AUM 1.47% 1-Year Est. Return
HHAM
HITE Hedge Asset Management Braintree, Massachusetts $1.77B AUM 38.67% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PEAK6
PEAK6 Chicago, Illinois $42.6B AUM 66.3% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Millennium Management's NPWR Position: Q1 2026 in Review

Millennium Management reduced its NET Power (NPWR) stake by 70% in Q1 2026, selling an estimated $3.4M and leaving 682,705 shares worth $1.07M. The position accounts for ﹤0.01% of the portfolio, ranked #4349.

Millennium Management first reported a position in NPWR in Q4 2021 and has held it in 17 quarters since. The position peaked at $12.4M in Q1 2023. 113 funds tracked by Wall St. Rank hold NPWR as of Q1 2026.

  • Millennium Management held 682,705 shares of NET Power worth $1.07M as of Q1 2026.
  • Millennium Management sold 1,593,887 NET Power shares in Q1 2026, an estimated $3.4M.
  • NET Power made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4349 holding.
  • Millennium Management first reported a position in NET Power in Q4 2021 and has held it in 17 quarters since.
  • Millennium Management's NET Power position peaked at $12.4M in Q1 2023.
  • 113 funds tracked by Wall St. Rank held NET Power as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.