Research SolutionsRSSS
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 39 institutions reported holding Research Solutions Inc. (RSSS) in their 13F filings, down 1 from Q4 2025. 5 opened new positions and 7 sold out. The largest holders were Needham Investment Management LLC ($7.1M), Punch & Associates Investment Management, Inc. ($5.8M) and Vanguard Capital Management LLC ($2.6M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Research Solutions Inc.
- CUSIP
- 761025105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $828K |
| Exits | 7 | $336K |
All 13F filers, Q4 2025 → Q1 2026: 674,036 shares bought and 603,575 shares sold, net +70,461 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 39 holders
| Needham Investment Management LLC | 0.36% | Add +0.3% | 3,155,000 | $7.1M |
| Punch & Associates Investment Management, Inc. | 0.34% | Add +2.1% | 2,552,455 | $5.8M |
| Vanguard Capital Management LLC | 0.00% | — | 1,133,471 | $2.6M |
| Luxor Capital Group, LP | 0.24% | No change | 651,959 | $1.5M |
| Bard Associates Inc. | 0.35% | Reduce -0.3% | 608,402 | $1.4M |
| Topline Capital Management, LLC | 0.17% | Reduce -16.8% | 461,177 | $1.0M |
| Parthenon LLC | 0.10% | No change | 392,284 | $887K |
| Geode Capital Management, LLC | 0.00% | Add +16.4% | 335,159 | $758K |
| North Star Investment Management Corp. | 0.05% | New | 333,518 | $754K |
| Dynamic Advisor Solutions LLC | 0.02% | Add +9.7% | 317,692 | $718K |
| Navalign, LLC | 0.14% | Add +154.7% | 251,126 | $568K |
| Renaissance Technologies | 0.00% | Reduce -18.9% | 176,900 | $400K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 151,365 | $342K |
| LPL Financial LLC | 0.00% | No change | 146,307 | $331K |
| BlackRock, Inc. | 0.00% | Add +3.1% | 120,238 | $272K |
| Hillsdale Investment Management Inc. | 0.01% | Reduce -12.2% | 86,000 | $194K |
| 4Thought Financial Group Inc. | 0.09% | Reduce -0.9% | 83,406 | $188K |
| Dimensional Fund Advisors LP | 0.00% | Add +1.2% | 77,962 | $176K |
| Integrated Quantitative Investments LLC | 0.03% | No change | 72,500 | $164K |
| Acadian Asset Management LLC | 0.00% | Reduce -15.2% | 65,835 | $147K |
| State Street Corp. | 0.00% | No change | 58,807 | $133K |
| Northern Trust Corp. | 0.00% | No change | 56,619 | $128K |
| Rothschild Wealth LLC | 0.01% | Reduce -85.6% | 51,300 | $116K |
| Goldman Sachs Group Inc. | 0.00% | Add +8.5% | 46,627 | $105K |
| Greenhaven Road Investment Management, L.P. | 0.06% | No change | 38,477 | $87K |
| Citadel Advisors | 0.00% | Add +24.3% | 35,740 | $81K |
| King Luther Capital Management Corp. | 0.00% | No change | 35,000 | $79K |
| Susquehanna International Group, LLP | 0.00% | Reduce -27.4% | 34,862 | $79K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 18,069 | $41K |
| Boothbay Fund Management, LLC | 0.00% | New | 16,313 | $37K |
| XTX Topco Ltd | 0.00% | Reduce -42.3% | 12,711 | $29K |
| Stifel Financial Corp. | 0.00% | New | 11,000 | $25K |
| Financial Management Professionals, Inc. | 0.00% | New | 5,416 | $12K |
| Vanguard Global Advisers, LLC | 0.00% | — | 5,356 | $12K |
| UBS Group AG | 0.00% | Add +58.8% | 3,723 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +10.4% | 1,272 | $3K |
| Allworth Financial LP | 0.00% | No change | 104 | $236 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 3 | $7 |
| Wells Fargo & Company | 0.00% | No change | 1 | $2 |
"% of holder's portfolio" is RSSS's weight in each manager's 13F, not the share of Research Solutions Inc. the manager owns.