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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in NPWR — Net Power Inc.

CIK 1165408 Boston, MA

Position in NPWR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,742,800
+$2,340,400 QoQ
Shares Held
2,840,000
+84.4% QoQ
Ownership
1.26%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#3
of 120 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NPWR Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $1,465,947,396 across 21 Specialty Industrial Machinery names. NPWR ranks #21 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in NPWR

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,742,800 2,840,000
2026-03-31 $2,402,400 1,540,000
2025-12-31 $3,511,200 1,540,000
2025-09-30 $7,554,702 2,509,868
2025-06-30 $7,014,800 2,840,000
2025-03-31 $6,417,200 2,440,000
2024-12-31 $4,236,000 400,000
2024-09-30 $4,206,000 600,000
2024-06-30 $6,619,030 673,350
2024-03-31 $3,018,350 265,000
2023-12-31 $7,000,794 693,148
2023-09-30 $12,792,886 847,211
2023-06-30 $20,519,577 1,578,429
2023-03-31 RONI 2,600,000
2022-12-31 RONI 2,600,000
2022-09-30 RONI 2,700,000
2022-06-30 RONI 2,700,000
2022-03-31 RONI 2,700,000
2021-12-31 RONI 2,700,000
2021-09-30 RONI 2,700,000