Research Solutions, Inc.
RSSS- Exchange
- Nasdaq
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001386301
No open-market purchases or sales by Research Solutions, Inc. insiders were filed in the last 90 days; 36 institutions reported holding it in 13F filings for Q2 2026, worth $25.4M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Research Solutions, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 39
- +1 vs. Q4 2025
- Shares held
- 11.6M
- +1.36M (+13.3%) vs. Q4 2025
- Total value
- $26.2M
- −$3.89M (−12.9%) vs. Q4 2025
- New holders
- 8
- 11 more added
- Sold out
- 7
- 9 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RSSS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 36 | $25.4M |
| Q1 2026 | 39 | $26.2M |
| Q4 2025 | 40 | $34.9M |
| Q3 2025 | 49 | $47.6M |
| Q2 2025 | 46 | $38.0M |
| Q1 2025 | 46 | $34.5M |
| Q4 2024 | 48 | $56.8M |
| Q3 2024 | 37 | $33.9M |
| Q2 2024 | 34 | $31.5M |
| Q1 2024 | 31 | $32.3M |
| Q4 2023 | 29 | $24.2M |
| Q3 2023 | 29 | $20.3M |
| Q2 2023 | 27 | $14.4M |
| Q1 2023 | 26 | $14.1M |
| Q4 2022 | 27 | $13.6M |
| Q3 2022 | 27 | $15.2M |
| Q2 2022 | 25 | $14.1M |
| Q1 2022 | 23 | $16.7M |
| Q4 2021 | 25 | $19.1M |
| Q3 2021 | 28 | $20.2M |
| Q2 2021 | 26 | $25.6M |
| Q1 2021 | 20 | $18.6M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Research Solutions, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Needham Investment Management LLC | 3,155,000 | $7.13M | 0.36% | +10,000+0.3% | Added |
| Punch & Associates Investment Management, Inc. | 2,552,455 | $5.77M | 0.33% | +53,145+2.1% | Added |
| Vanguard Capital Management LLC | 1,133,471 | $2.56M | 0.00% | +1,133,471 | New |
| Luxor Capital Group, LP | 651,959 | $1.47M | 0.23% | 00.0% | Unchanged |
| Bard Associates Inc | 608,402 | $1.37M | 0.35% | −1,982−0.3% | Reduced |
| Topline Capital Management, LLC | 461,177 | $1.04M | 0.17% | −93,329−16.8% | Reduced |
| Parthenon LLC | 392,284 | $886.6K | 0.10% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 335,159 | $757.6K | 0.00% | +47,244+16.4% | Added |
| North Star Investment Management Corp. | 333,518 | $753.8K | 0.05% | +333,518 | New |
| Dynamic Advisor Solutions LLC | 317,692 | $718.0K | 0.02% | +28,175+9.7% | Added |
| Navalign, LLC | 251,126 | $567.5K | 0.14% | +152,546+154.7% | Added |
| Renaissance Technologies LLC | 176,900 | $399.8K | 0.00% | −41,300−18.9% | Reduced |
| Vanguard Fiduciary Trust Co | 151,365 | $342.1K | 0.00% | +151,365 | New |
| LPL Financial LLC | 146,307 | $330.7K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 120,238 | $271.7K | 0.00% | +3,622+3.1% | Added |
| Hillsdale Investment Management Inc. | 86,000 | $194.4K | 0.01% | −12,000−12.2% | Reduced |
| 4Thought Financial Group Inc. | 83,406 | $188.5K | 0.09% | −779−0.9% | Reduced |
| Dimensional Fund Advisors LP | 77,962 | $176.2K | 0.00% | +933+1.2% | Added |
| Integrated Quantitative Investments LLC | 72,500 | $163.8K | 0.03% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 65,835 | $147.0K | 0.00% | −11,797−15.2% | Reduced |
| State Street Corp | 58,807 | $132.9K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 56,619 | $128.0K | 0.00% | 00.0% | Unchanged |
| Sentinus, LLC | 51,300 | $115.9K | 0.01% | −305,518−85.6% | Reduced |
| Goldman Sachs Group Inc | 46,627 | $105.4K | 0.00% | +3,648+8.5% | Added |
| Greenhaven Road Investment Management, L.P. | 38,477 | $87.0K | 0.06% | 00.0% | Unchanged |
| Citadel Advisors LLC | 35,740 | $80.8K | 0.00% | +6,975+24.2% | Added |
| King Luther Capital Management Corp | 35,000 | $79.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 34,862 | $78.8K | 0.00% | −13,140−27.4% | Reduced |
| Charles Schwab Investment Management Inc | 18,069 | $40.8K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 16,313 | $36.9K | 0.00% | +16,313 | New |
| XTX Topco Ltd | 12,711 | $28.7K | 0.00% | −9,319−42.3% | Reduced |
| Stifel Financial Corp | 11,000 | $24.9K | 0.00% | +11,000 | New |
| Financial Management Professionals, Inc. | 5,416 | $12.2K | 0.00% | +5,416 | New |
| Vanguard Global Advisers, LLC | 5,356 | $12.1K | 0.00% | +5,356 | New |
| UBS Group AG | 3,723 | $8.41K | 0.00% | +1,378+58.8% | Added |
| Tower Research Capital LLC (TRC) | 1,272 | $2.88K | 0.00% | +120+10.4% | Added |
| Allworth Financial LP | 104 | $236 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 3 | $7 | 0.00% | +3 | New |
| Wells Fargo & Company | 1 | $2 | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −68,336−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −25,826−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −10,989−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −3,490−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −3,370−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −1,932−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −468−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Perritt Capital Management Inc | – | – | – | – | Not filed |