Security key
64107A105
NET Power Inc. - Class A Common Stock, par value $0.0001 (NPWR)
CUSIP: 64107A105
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Class A Common Stock, par value $0.0001
- Total 13F shares
- 14,235,753
- Total 13F value
- $23,772,640
- Share change
- +1,077,763
- SEC-reported price per share
- $1.67
- Number of holders
- 36
- Value change
- +$1,800,795
- Number of buys
- 18
- Number of sells
- 6
- Shares outstanding
- 106,127,590
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
36
Top holders
10
NPWR full security history
Ownership snapshot
Full 13F holder table
NET Power Inc. SEC filings
NET Power Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 64107A105
Recent filing periods:
Ownership snapshot
Top reported holders of NPWR - NET Power Inc. - Class A Common Stock, par value $0.0001 (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
SK INC.
Disclosed value leader
SK INC.
Comparable rows
15/15
Latest evidence
12 May 2026
13D/G
13F
Lead comparable stake: 26%
13D/G row: SK INC.
Showing 1-6 of 15 holder rows.
Quick read
SK INC. leads the comparable SEC ownership view at 26%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SK INC.'s linked filing trail.
Comparable ownership
Top 5
SK INC.
26%
8 Rivers Capital, LLC
20%
Andrew L. Share
9.2%
HITE Hedge Asset Management LLC
2.6%
BlackRock, Inc.
2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SK INC. |
13D/G
8 RIVERS CAPITAL, LLC
|
26%
|
$88,475,903
26,729,880 shares
|
$0 | 30 Jul 2025 |
| 8 Rivers Capital, LLC |
13D/G
|
20%
|
$32,284,013
20,694,880 shares
|
-$2,012,057 | 12 May 2026 |
| Andrew L. Share |
13F
Individual
|
9.2%
|
$15,237,300
9,767,500 shares
|
— | 31 Mar 2026 |
| HITE Hedge Asset Management LLC |
13F
Company
|
2.6%
|
$4,310,941
2,763,424 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
2%
|
$3,342,949
2,142,916 shares
|
— | 31 Mar 2026 |
| PEAK6 LLC |
13F
Company
|
1.9%
|
$3,101,615
1,988,215 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
36
Shares
14,235,753
Rows available
36
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
113
Q2 2026 holders
36
Holder diff
-77
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend