Research Solutions, Inc. - RSSS
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NEEDHAM INVESTMENT MANAGEMENT LLC | History | Added to | 3,145,000 | 9,246 | 0.58% | 0.81% | 1 | +45,000 | 1.45% | Q4 2025 | Feb 17, 2026 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | History | No change | 2,499,310 | 7,347 | 0.43% | 0.54% | 2 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | Added to | 1,264,105 | 3,716 | 0.0% | 0.0% | 3 | +9,963 | 0.79% | Q4 2025 | Jan 29, 2026 |
| Luxor Capital Group, LP | History | Added to | 651,959 | 1,916 | 0.15% | 0.1% | 4 | +74,526 | 12.91% | Q4 2025 | Feb 17, 2026 |
| BARD ASSOCIATES INC | History | Added to | 610,384 | 1,794 | 0.46% | 0.6% | 5 | +1,623 | 0.27% | Q4 2025 | Feb 13, 2026 |
| Topline Capital Management, LLC | History | Added to | 554,506 | 1,630 | 0.15% | 0.16% | 6 | +309,578 | 126.4% | Q4 2025 | Feb 17, 2026 |
| PARTHENON LLC | History | No change | 392,284 | 1,153 | 0.12% | 0.16% | 7 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| Rothschild Wealth LLC | History | New | 356,818 | 1,049 | 0.1% | — | 9 | +356,818 | New | Q4 2025 | Feb 17, 2026 |
| PERRITT CAPITAL MANAGEMENT INC | History | No change | 356,818 | 1,049 | 1.75% | 0.63% | 8 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Dynamic Advisor Solutions LLC | History | Added to | 289,517 | 851 | 0.03% | 0.03% | 10 | +13,483 | 4.88% | Q4 2025 | Jan 09, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 287,915 | 846 | 0.0% | 0.0% | 11 | +920 | 0.32% | Q4 2025 | Feb 09, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 218,200 | 641 | 0.0% | 0.0% | 12 | +11,756 | 5.69% | Q4 2025 | Feb 12, 2026 |
| LPL Financial LLC | History | Reduced | 146,307 | 430 | 0.0% | 0.0% | 13 | -3,000 | -2.01% | Q4 2025 | Feb 11, 2026 |
| BlackRock, Inc. | History | Added to | 116,616 | 342 | 0.0% | 0.0% | 14 | +2,933 | 2.58% | Q4 2025 | Feb 12, 2026 |
| Navalign, LLC | History | Reduced | 98,580 | 289 | 0.07% | 0.14% | 15 | -45,000 | -31.34% | Q4 2025 | Feb 05, 2026 |
| Hillsdale Investment Management Inc. | History | New | 98,000 | 288 | 0.01% | — | 16 | +98,000 | New | Q4 2025 | Feb 10, 2026 |
| 4Thought Financial Group Inc. | History | No change | 84,185 | 247 | 0.12% | 0.16% | 17 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 77,029 | 226 | 0.0% | 0.0% | 18 | +9,358 | 13.83% | Q4 2025 | Feb 12, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 77,632 | 225 | 0.0% | 0.0% | 19 | +6,131 | 8.57% | Q4 2025 | Feb 10, 2026 |
| Integrated Quantitative Investments LLC | History | No change | 72,500 | 213 | 0.05% | 0.08% | 20 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| HighTower Advisors, LLC | History | Reduced | 68,336 | 200 | 0.0% | 0.0% | 21 | -500 | -0.73% | Q4 2025 | Feb 06, 2026 |
| STATE STREET CORP | History | No change | 58,807 | 172 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | Added to | 56,619 | 166 | 0.0% | 0.0% | 23 | +6,524 | 13.02% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 48,002 | 141 | 0.0% | 0.0% | 24 | +21,927 | 84.09% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 42,979 | 126 | 0.0% | 0.0% | 25 | +6,729 | 18.56% | Q4 2025 | Mar 25, 2026 |
| Greenhaven Road Investment Management, L.P. | History | No change | 38,477 | 113 | 0.02% | 0.02% | 26 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| KING LUTHER CAPITAL MANAGEMENT CORP | History | No change | 35,000 | 102 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| CITADEL ADVISORS LLC | History | New | 28,765 | 84 | 0.0% | — | 28 | +28,765 | New | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 25,826 | 75 | 0.0% | 0.0% | 29 | +15,438 | 148.61% | Q4 2025 | Feb 12, 2026 |
| XTX Topco Ltd | History | New | 22,030 | 64 | 0.0% | — | 30 | +22,030 | New | Q4 2025 | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 18,069 | 53 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 10,989 | 32 | 0.0% | 0.0% | 32 | +6,966 | 173.15% | Q4 2025 | Feb 17, 2026 |
| Ancora Advisors LLC | History | New | 3,490 | 10 | 0.0% | — | 33 | +3,490 | New | Q4 2025 | Feb 17, 2026 |
| NewEdge Advisors, LLC | History | Reduced | 3,370 | 9 | 0.0% | 0.0% | 34 | -19,005 | -84.94% | Q4 2025 | Feb 18, 2026 |
| UBS Group AG | History | New | 2,345 | 6 | 0.0% | — | 35 | +2,345 | New | Q4 2025 | Jan 29, 2026 |
| MORGAN STANLEY | History | Added to | 1,932 | 5 | 0.0% | 0.0% | 36 | +472 | 32.33% | Q4 2025 | Feb 13, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 1,152 | 3 | 0.0% | — | 37 | +1,152 | New | Q4 2025 | Feb 17, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 468 | 1 | 0.0% | 0.0% | 38 | -876 | -65.18% | Q4 2025 | Feb 10, 2026 |
| Hodges Capital Management Inc. | History | Closed out | 0 | 0 | — | 0.06% | — | -185,500 | -100.0% | Q3 2025 | Nov 07, 2025 |
| WHITE PINE CAPITAL LLC | History | Closed out | 0 | 0 | — | 0.13% | — | -119,435 | -100.0% | Q3 2025 | Nov 10, 2025 |
| ASHFORD CAPITAL MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.02% | — | -50,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Heron Bay Capital Management | History | Closed out | 0 | 0 | — | 0.03% | — | -43,306 | -100.0% | Q3 2025 | Nov 12, 2025 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.01% | — | -22,068 | -100.0% | Q3 2025 | Nov 07, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -15,856 | -100.0% | Q3 2025 | Nov 14, 2025 |
| OSAIC HOLDINGS, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -13,900 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Spire Wealth Management | History | Closed out | 0 | 0 | — | 0.0% | — | -1,374 | -100.0% | Q3 2025 | Oct 23, 2025 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q3 2025 | Nov 13, 2025 |
| JONES FINANCIAL COMPANIES LLLP | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q3 2025 | Nov 04, 2025 |
| Marquette Asset Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -451 | -100.0% | Q3 2025 | Oct 24, 2025 |
| Allworth Financial LP | History | New | 104 | 0 | — | — | — | +104 | New | Q4 2025 | Feb 05, 2026 |
| American Capital Advisory, LLC | History | Closed out | 0 | 0 | — | — | — | -100 | -100.0% | Q3 2025 | Oct 28, 2025 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q3 2025 | Nov 10, 2025 |
| WELLS FARGO & COMPANY/MN | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |