Who owns Research Solutions, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of RSSS from SEC Form 13F filings across 36 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 36 institutions disclosed 10.9M shares of Research Solutions, Inc. worth $25.4M — about 34.4% of shares outstanding; the largest disclosed holder is NEEDHAM INVESTMENT MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
36
13F holders
$25.4M
value, 2026 filers
34.4%
of shares outstanding (10.9M sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of RSSS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | NEEDHAM INVESTMENT MANAGEMENT LLC | 3.2M | $7.3M | 0.2% | 9.9% | 0.0% |
| 2 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 2.6M | $5.9M | 0.3% | 8% | 0.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $2.7M | 0.0% | 3.6% | +1.2% |
| 4 | Luxor Capital Group, LP | 651,959 | $1.5M | 0.1% | 2.1% | 0.0% |
| 5 | BARD ASSOCIATES INC | 608,979 | $1.4M | 0.3% | 1.9% | +0.1% |
| 6 | PARTHENON LLC | 392,284 | $910,099 | 0.1% | 1.2% | 0.0% |
| 7 | Dynamic Advisor Solutions LLC | 365,599 | $848,190 | 0.0% | 1.2% | +15.1% |
| 8 | North Star Investment Management Corp. | 357,000 | $828,240 | 0.0% | 1.1% | +7.0% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 295,106 | $684,791 | 0.0% | 0.9% | -12.0% |
| 10 | Navalign, LLC | 196,126 | $455,012 | 0.1% | 0.6% | -21.9% |
| 11 | VANGUARD FIDUCIARY TRUST CO | 173,881 | $403,404 | 0.0% | 0.5% | +14.9% |
| 12 | LPL Financial LLC | 146,307 | $339,432 | 0.0% | 0.5% | 0.0% |
| 13 | BlackRock, Inc. | 143,288 | $332,428 | 0.0% | 0.5% | +19.2% |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 105,990 | $245,897 | 0.0% | 0.3% | -40.1% |
| 15 | 4Thought Financial Group Inc. | 83,406 | $193,501 | 0.1% | 0.3% | 0.0% |
| 16 | DIMENSIONAL FUND ADVISORS LP | 82,442 | $191,266 | 0.0% | 0.3% | +5.7% |
| 17 | Integrated Quantitative Investments LLC | 72,500 | $168,200 | 0.0% | 0.2% | 0.0% |
| 18 | NORTHERN TRUST CORP | 61,042 | $141,617 | 0.0% | 0.2% | +7.8% |
| 19 | STATE STREET CORP | 58,807 | $136,432 | 0.0% | 0.2% | 0.0% |
| 20 | Rothschild Wealth LLC | 51,300 | $119,016 | 0.0% | 0.2% | 0.0% |
| 21 | GOLDMAN SACHS GROUP INC | 44,008 | $102,099 | 0.0% | 0.1% | -5.6% |
| 22 | Greenhaven Road Investment Management, L.P. | 38,477 | $89,267 | 0.1% | 0.1% | 0.0% |
| 23 | KING LUTHER CAPITAL MANAGEMENT CORP | 35,000 | $81,200 | 0.0% | 0.1% | 0.0% |
| 24 | ACADIAN ASSET MANAGEMENT LLC | 28,985 | $67,000 | 0.0% | 0.1% | -56.0% |
| 25 | CITADEL ADVISORS LLC | 28,003 | $64,967 | 0.0% | 0.1% | -21.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.