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Of the 12 tracked institutions holding NPWR, 6 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +6.2pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, NPWR (NET POWER INC) is held with a combined value of $44.35M across 11,117,963 shares. The largest holder is GREENLIGHT CAPITAL INC with a position worth $30.22M (1.48% of their portfolio). CITADEL ADVISORS LLC opened a new position in the most recent quarter. 6 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$44.35M
Total Shares Held
11,117,963
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | GREENLIGHT CAPITAL INC | $30.22M | 1.48% | +5.5% |
| 2 | VANGUARD GROUP INC | $4.60M | 0.00% | +13.0% |
| 3 | BlackRock, Inc. | $3.34M | 0.00% | +7.4% |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $2.40M | 0.00% | - |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $1.10M | 0.00% | +644.0% |
| 6 | MILLENNIUM MANAGEMENT LLC | $1.07M | 0.00% | -70.0% |
| 7 | STATE STREET CORP | $957.11K | 0.00% | +1.6% |
| 8 | CITADEL ADVISORS LLC | $341.61K | 0.00% | New |
| 9 | AQR CAPITAL MANAGEMENT LLC | $239.45K | 0.00% | +171.2% |
| 10 | Point72 Asset Management, L.P. | $53.18K | 0.00% | -85.9% |
As of the latest SEC 13F filings, GREENLIGHT CAPITAL INC is the largest institutional holder of NPWR with a position worth $30.22M, representing 1.48% of their portfolio. In total, 12 institutional investors hold NPWR with a combined value of $44.35M.
In the most recent quarter, 1 fund opened a new position in NPWR. Additionally, 6 increased their holdings and 3 reduced their positions.
Institutional investors hold $44.35M worth of NPWR stock across 12 positions. The largest institutional holder is GREENLIGHT CAPITAL INC with $30.22M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For NPWR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their NPWR positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$1.41
2026-07-24
YTD
-43.8%
0% of 52-week range
