NPO — ENPRO INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying NPO?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 2 tracked investors who changed their NPO position last quarter, 1 bought and 1 sold (50% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).
- +1 tracked investor added or increased positions last quarter (Ray Dalio)
- +4 tracked investors reported holding NPO at their latest filing
- −1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.
About ENPRO INC (NPO)
ENPRO INC (NPO) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $4M. Across recent filings, tracked investors recorded 3 new positions, 0 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in NPO
How many top investors track NPO
A small number of top investors own this.
NPO Ownership Composition
How ENPRO INC is held across tracked investor types, based on reported 13F positions.
- Other100.0%
Tracked investors reporting NPO
- Ken GriffinMar 31, 2026Citadel AdvisorsShares16.6KValue$4.2M% Portfolio0.00%
- Paul Tudor JonesDec 31, 2025Tudor Investment CorpShares15.3KValue$3.3M% Portfolio0.01%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares7.9KValue$2M% Portfolio0.00%
- Ray DalioMar 31, 2026Bridgewater AssociatesShares1.7KValue$415.8K% Portfolio0.00%
Recent activity
- $3.3MFeb 17, 2026
- Sold$0(-100.00%)May 15, 2026
- New$415.8KMay 15, 2026
- New$1.4KFeb 17, 2026
Frequently asked questions
- How many institutional investors hold NPO?
- 4 tracked institutional investors disclosed a position in NPO (ENPRO INC) in their most recent 13F filing.
- Who is the largest institutional holder of NPO?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in NPO, valued at $4M.
- Did institutional ownership of NPO increase or decrease?
- Across recent 13F filings, tracked investors recorded 3 new positions, 0 increased, 0 reduced, and 1 fully exited NPO.
- Where does this NPO ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.