RSSS · NASDAQ · Software - Application

Research Solutions (RSSS)

Publisher-independent software and transaction services for accessing, organizing and analyzing scientific literature.

$2.18
At close+0.02 (+0.93%)

Breakdown13F · 13D/G · Form 4

Institutions39 holders · as of Mar 31, 202634.69%11.60M shares
Insiders9 holders · as of Aug 3, 202612.88%4.31M shares
Strategic holders1 holder · as of Feb 8, 20223.83%1.28M shares
Otherremainder48.60%16.26M shares

33.45M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Needham Investment Management LLCInstitution
9.43%3.16M13Fas of Mar 31, 2026
Punch & Associates Investment Management, Inc.Institution
7.63%2.55M13Fas of Mar 31, 2026
Poplar Point Capital Management LLCInstitution
6.96%2.33M13Gfiled May 11, 2026
Cowen Prime Advisors, a division of Cowen Prime Services LLCInstitution
4.67%1.56M13Gfiled Feb 16, 2021
Andrew N. WienerInsider
4.44%1.49M13Gfiled Feb 16, 2021
Samjo Capital, LLCStrategic
3.83%1.28M13G/Afiled Feb 8, 2022
Vanguard Capital Management LLCInstitution
3.39%1.13M13Fas of Mar 31, 2026
Luxor Capital Group, LPInstitution
1.95%651,95913Fas of Mar 31, 2026
Bard Associates IncInstitution
1.82%608,40213Fas of Mar 31, 2026
Roy W. OlivierInsiderdirector, officer: CEO & President
1.81%606,825Form 4filed Sep 26, 2025
The Vanguard GroupInstitution
1.79%597,09413D/Gfiled Feb 10, 2022
Scott AhlbergInsiderofficer: Chief Operating Officer
1.63%543,549Form 4filed Jun 23, 2025
Merrill A. McpeakInsiderdirector
1.45%484,608Form 4filed Dec 12, 2025
Topline Capital Management, LLCInstitution
1.38%461,17713Fas of Mar 31, 2026
Parthenon LLCInstitution
1.17%392,28413Fas of Mar 31, 2026
Shane Alan HuntInsiderofficer: Chief Revenue Officer
1.15%385,752Form 4filed Sep 24, 2024
William NurthenInsiderofficer: CFO & Secretary
1.13%378,382Form 4filed Sep 26, 2025
Geode Capital Management, LLCInstitution
1.00%335,15913Fas of Mar 31, 2026
North Star Investment Management Corp.Institution
1.00%333,51813Fas of Mar 31, 2026
John J. RegazziInsiderdirector
0.95%318,500Form 4filed Nov 21, 2025
Dynamic Advisor Solutions LLCInstitution
0.95%317,69213Fas of Mar 31, 2026
Navalign, LLCInstitution
0.75%251,12613Fas of Mar 31, 2026
Renaissance Technologies LLCInstitution
0.53%176,90013Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution
0.45%151,36513Fas of Mar 31, 2026
LPL Financial LLCInstitution
0.44%146,30713Fas of Mar 31, 2026

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

39 holders · 11.60M shares · 8 new positions · 19 increased · 9 reduced · 9 closed

HolderShares% outstandingChg q/qFiled
Needham Investment Management LLC3.16M9.43%+10.0KMay 15, 2026
Punch & Associates Investment Management, Inc.2.55M7.63%+53.1KMay 15, 2026
Vanguard Capital Management LLC1.13M3.39%+1.13MnewMay 15, 2026
Luxor Capital Group, LP652.0K1.95%0May 15, 2026
Bard Associates Inc608.4K1.82%−2.0KMay 8, 2026
Topline Capital Management, LLC461.2K1.38%−93.3KMay 15, 2026
Parthenon LLC392.3K1.17%0Apr 28, 2026
Geode Capital Management, LLC335.2K1.00%+47.2KMay 15, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Punch & Associates Investment Management, Inc.7.20%2.33M13GFeb 14, 2025
Poplar Point Capital Management LLC7.08%2.33M13GMay 11, 2026

Insider tradesForm 4

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.