Who owns Research Solutions, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of RSSS from SEC Form 13F filings across 25 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, 25 institutions disclosed 6.8M shares of Research Solutions, Inc. worth $15.6M — about 21.1% of shares outstanding; the largest disclosed holder is NEEDHAM INVESTMENT MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
25
13F holders
$15.6M
value, 2026 filers
21.1%
of shares outstanding (6.8M sh)
4
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 | VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $2.7M | 0.0% | 3.6% | -49.4% |
| 3 | Luxor Capital Group, LP | 651,959 | $1.5M | 0.1% | 2% | 0.0% |
| 4 | Dynamic Advisor Solutions LLC | 365,599 | $848,190 | 0.0% | 1.1% | +15.1% |
| 5 | North Star Investment Management Corp. | 357,000 | $828,240 | 0.0% | 1.1% | +7.0% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 295,106 | $684,791 | 0.0% | 0.9% | -12.0% |
| 7 | VANGUARD FIDUCIARY TRUST CO | 173,881 | $403,404 | 0.0% | 0.5% | +14.9% |
| 8 | LPL Financial LLC | 146,307 | $339,432 | 0.0% | 0.5% | 0.0% |
| 9 | BlackRock, Inc. | 143,288 | $332,428 | 0.0% | 0.4% | +19.2% |
| 10 | NORTHERN TRUST CORP | 61,042 | $141,617 | 0.0% | 0.2% | +7.8% |
| 11 | GOLDMAN SACHS GROUP INC | 44,008 | $102,099 | 0.0% | 0.1% | -5.6% |
| 12 | Greenhaven Road Investment Management, L.P. | 38,477 | $89,267 | 0.1% | 0.1% | 0.0% |
| 13 | KING LUTHER CAPITAL MANAGEMENT CORP | 35,000 | $81,200 | 0.0% | 0.1% | 0.0% |
| 14 | ACADIAN ASSET MANAGEMENT LLC | 28,985 | $67 | 0.0% | 0.1% | -56.0% |
| 15 | CITADEL ADVISORS LLC | 28,003 | $64,967 | 0.0% | 0.1% | -21.6% |
| 16 | NewEdge Advisors, LLCNEW | 25,904 | $60,097 | 0.0% | 0.1% | new |
| 17 | Sixth Street Partners Management Company, L.P.NEW | 18,069 | $41,920 | 0.0% | 0.1% | new |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 18,069 | $41,920 | 0.0% | 0.1% | 0.0% |
| 19 | UBS Group AG | 6,588 | $15,284 | 0.0% | 0% | +77.0% |
| 20 | Vanguard Global Advisers, LLC | 5,356 | $12,426 | 0.0% | 0% | 0.0% |
| 21 | Tower Research Capital LLC (TRC) | 4,725 | $10,962 | 0.0% | 0% | +271.5% |
| 22 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CONEW | 500 | $1,160 | 0.0% | 0% | new |
| 23 | BARCLAYS PLCNEW | 231 | $536 | 0.0% | 0% | new |
| 24 | Allworth Financial LP | 104 | $242 | 0.0% | 0% | 0.0% |
| 25 | WELLS FARGO & COMPANY/MN | 1 | $2 | 0.0% | 0% | 0.0% |
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.