SPX Corp (SPXC)
Who owns SPX Corp (SPXC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.7% of the shares are freely tradable; institutional investors hold 99.4%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.45 | 6,231,134 | +1.4 | 03/31/2026 |
| Capital Research & Mgmt Co - Division 3 | 5.78 | 2,893,247 | +88.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.97 | 2,489,488 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.46 | 2,233,005 | +0.0 | 03/31/2026 |
| Amvescap Plc. | 3.81 | 1,909,420 | +10.2 | 03/31/2026 |
| State Street Corp | 3.56 | 1,782,901 | +1.9 | 03/31/2026 |
| Capital World Investors | 3.49 | 1,745,487 | +28.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds SMALLCAP World A | 4.49 | 2,246,107 | +35.7 | 06/30/2026 |
| iShares Core S&P Mid-Cap ETF | 3.43 | 1,719,567 | +0.0 | 07/30/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.18 | 1,590,372 | +0.1 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 27. Jul 2026 | Deck Brian A | Director | Other | 542 | – | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: August 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.