Research Solutions Inc
Ownership
Ownership Structure
Who owns Research Solutions Inc (RSSS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 76.9% of the shares are freely tradable; institutional investors hold 47.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Needham Investment Management, LLC | 9.34 | 3,155,000 | +0.0 | 06/30/2026 |
| Punch & Associates Inv Mgmt Inc | 7.56 | 2,552,455 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.40 | 1,147,020 | +1.2 | 06/30/2026 |
| Luxor Capital Group, LP | 1.93 | 651,959 | +0.0 | 06/30/2026 |
| Bard Associates Inc | 1.80 | 608,979 | +0.1 | 06/30/2026 |
| Parthenon Capital Management LLC | 1.16 | 392,284 | +0.0 | 06/30/2026 |
| Dynamic Advisor Solutions LLC | 1.08 | 365,599 | +15.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Needham Aggressive Growth Retail | 9.34 | 3,155,000 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.45 | 826,297 | +0.0 | 09/30/2026 |
| North Star Micro Cap I | 1.21 | 410,000 | +14.8 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Cohen Sefton | Chief Revenue Officer | 75,933 | 144,273 $ | 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 |
|---|---|---|---|---|---|---|
| Jul 31, 2026 | Cohen Sefton | Chief Revenue Officer | Other | 284,000 | 2.20 | 624,800 |
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 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.