Research SolutionsRSSS
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 40 institutions reported holding Research Solutions Inc. (RSSS) in their 13F filings, down 9 from Q3 2025. 7 opened new positions and 13 sold out. The largest holders were Needham Investment Management LLC ($9.2M), Punch & Associates Investment Management, Inc. ($7.3M) and Vanguard Group Inc. ($3.7M). 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $1.5M |
| Exits | 13 | $1.7M |
All 13F filers, Q3 2025 → Q4 2025: 1,055,927 shares bought and 521,372 shares sold, net +534,555 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 40 holders
| Needham Investment Management LLC | 0.58% | Add +1.4% | 3,145,000 | $9.2M |
| Punch & Associates Investment Management, Inc. | 0.43% | No change | 2,499,310 | $7.3M |
| Vanguard Group Inc. | 0.00% | Add +0.8% | 1,264,105 | $3.7M |
| Luxor Capital Group, LP | 0.29% | Add +12.9% | 651,959 | $1.9M |
| Bard Associates Inc. | 0.46% | Add +0.3% | 610,384 | $1.8M |
| Topline Capital Management, LLC | 0.15% | Add +126.4% | 554,506 | $1.6M |
| Parthenon LLC | 0.12% | No change | 392,284 | $1.2M |
| Perritt Capital Management Inc | 1.75% | No change | 356,818 | $1.0M |
| Rothschild Wealth LLC | 0.10% | New | 356,818 | $1.0M |
| Dynamic Advisor Solutions LLC | 0.03% | Add +4.9% | 289,517 | $851K |
| Geode Capital Management, LLC | 0.00% | Add +0.3% | 287,915 | $847K |
| Renaissance Technologies | 0.00% | Add +5.7% | 218,200 | $642K |
| LPL Financial LLC | 0.00% | Reduce -2.0% | 146,307 | $430K |
| BlackRock, Inc. | 0.00% | Add +2.6% | 116,616 | $343K |
| Navalign, LLC | 0.07% | Reduce -31.3% | 98,580 | $290K |
| Hillsdale Investment Management Inc. | 0.01% | New | 98,000 | $288K |
| 4Thought Financial Group Inc. | 0.12% | No change | 84,185 | $248K |
| Dimensional Fund Advisors LP | 0.00% | Add +13.8% | 77,029 | $226K |
| Acadian Asset Management LLC | 0.00% | Add +8.6% | 77,632 | $225K |
| Integrated Quantitative Investments LLC | 0.05% | No change | 72,500 | $213K |
| HighTower Advisors, LLC | 0.00% | Reduce -0.7% | 68,336 | $201K |
| State Street Corp. | 0.00% | No change | 58,807 | $173K |
| Northern Trust Corp. | 0.00% | Add +13.0% | 56,619 | $166K |
| Susquehanna International Group, LLP | 0.00% | Add +84.1% | 48,002 | $141K |
| Goldman Sachs Group Inc. | 0.00% | Add +18.6% | 42,979 | $126K |
| Greenhaven Road Investment Management, L.P. | 0.05% | No change | 38,477 | $113K |
| King Luther Capital Management Corp. | 0.00% | No change | 35,000 | $103K |
| Citadel Advisors | 0.00% | New | 28,765 | $85K |
| Jane Street Group, LLC | 0.00% | Add +148.6% | 25,826 | $76K |
| XTX Topco Ltd | 0.00% | New | 22,030 | $65K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 18,069 | $53K |
| Bank of America Corp. | 0.00% | Add +173.2% | 10,989 | $32K |
| Ancora Advisors LLC | 0.00% | New | 3,490 | $10K |
| NewEdge Advisors, LLC | 0.00% | Reduce -84.9% | 3,370 | $10K |
| UBS Group AG | 0.00% | New | 2,345 | $7K |
| Morgan Stanley | 0.00% | Add +32.3% | 1,932 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 1,152 | $3K |
| BNP Paribas Financial Markets | 0.00% | Reduce -65.2% | 468 | $1K |
| Allworth Financial LP | 0.00% | No change | 104 | $306 |
| Wells Fargo & Company | 0.00% | No change | 1 | $3 |
"% of holder's portfolio" is RSSS's weight in each manager's 13F, not the share of Research Solutions Inc. the manager owns.