Position in NPWR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$183,117
+$22,160 QoQ
Shares Held
109,651
+6.3% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#37
of 120 holders
Holding Since
Sep 2021
14 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, 2026SIR Capital Management, L.P. holds $17,298,228 across 7 Specialty Industrial Machinery names. NPWR ranks #7 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PH |
Parker-Hannifin Corp
|
4,463 | $4,365,349 | |
| 2 | ITT |
Itt Inc.
|
20,200 | $3,994,752 | |
| 3 | ETN |
Eaton Corp plc
|
6,700 | $2,855,004 | |
| 4 | EROC |
ERock, Inc.
|
176,100 | $2,553,450 | |
| 5 | CMI |
Cummins Inc
|
2,900 | $2,068,309 | |
| 6 | GEV |
GE Vernova Inc.
|
1,088 | $1,278,247 | |
| 7 | NPWR |
Net Power Inc.
This page
|
109,651 | $183,117 |
All Filings in NPWR
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $183,117 | 109,651 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $160,957 | 103,178 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $235,245 | 103,178 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $310,565 | 103,178 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $741,192 | 300,078 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $789,205 | 300,078 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $4,324,723 | 408,378 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,920,632 | 416,638 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $971,036 | 98,783 | Shares | Sole | 2024-08-07 | |
| 2022-09-30 RONI | — | 400,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 RONI | — | 400,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 RONI | — | 400,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 RONI | — | 400,000 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 RONI | — | 400,000 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||