Research Solutions, Inc. - RSSS

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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