CSP Inc
Ownership
Ownership Structure
Who owns CSP Inc (CSPI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 70.3% of the shares are freely tradable; institutional investors hold 29.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Visionary Wealth Advisors | 7.95 | 801,088 | +2.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.51 | 354,154 | -0.1 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 3.49 | 351,674 | -2.3 | 06/30/2026 |
| Renaissance Technologies Corp | 2.66 | 267,714 | -3.5 | 06/30/2026 |
| Savvy Advisors Inc | 0.94 | 94,985 | +0.0 | 06/30/2026 |
| Geode Capital Management, LLC | 0.81 | 81,477 | -53.7 | 06/30/2026 |
| Millennium Management LLC | 0.69 | 69,612 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.70 | 272,265 | +0.0 | 09/30/2026 |
| DFA US Small Cap Value I | 1.02 | 102,466 | +0.0 | 08/31/2026 |
| DFA US Micro Cap I | 0.96 | 96,376 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Nerges Joseph R | 10% Owner | 1,423,500 | 10,676,250 $ | Sep 15, 2026 | direct |
| Levine Gary W | CFO and Secretary | 216,619 | 1,624,643 $ | Jul 31, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Nerges Joseph R | 10% Owner | Buy | 472 | 7.96 | 3,757 |
| Sep 15, 2026 | Nerges Joseph R | 10% Owner | Buy | 28 | 7.90 | 221 |
| Sep 14, 2026 | Nerges Joseph R | 10% Owner | Buy | 500 | 7.90 | 3,950 |
| Sep 11, 2026 | Nerges Joseph R | 10% Owner | Buy | 1,000 | 7.90 | 7,900 |
| Sep 11, 2026 | Nerges Joseph R | 10% Owner | Buy | 1,600 | 7.75 | 12,400 |
| Jul 31, 2026 | Levine Gary W | CFO and Secretary | Other | 259 | 7.52 | 1,946 |
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: November 4, 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.