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 |
|---|---|---|---|---|---|
| Wells Fargo & Company | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 3 | $7 | 0.00% | +3 | New |
| Allworth Financial LP | 104 | $236 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,272 | $2.88K | 0.00% | +120+10.4% | Added |
| UBS Group AG | 3,723 | $8.41K | 0.00% | +1,378+58.8% | Added |
| Vanguard Global Advisers, LLC | 5,356 | $12.1K | 0.00% | +5,356 | New |
| Financial Management Professionals, Inc. | 5,416 | $12.2K | 0.00% | +5,416 | New |
| Stifel Financial Corp | 11,000 | $24.9K | 0.00% | +11,000 | New |
| XTX Topco Ltd | 12,711 | $28.7K | 0.00% | −9,319−42.3% | Reduced |
| Boothbay Fund Management, LLC | 16,313 | $36.9K | 0.00% | +16,313 | New |
| Charles Schwab Investment Management Inc | 18,069 | $40.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 34,862 | $78.8K | 0.00% | −13,140−27.4% | Reduced |
| King Luther Capital Management Corp | 35,000 | $79.1K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 35,740 | $80.8K | 0.00% | +6,975+24.2% | Added |
| Greenhaven Road Investment Management, L.P. | 38,477 | $87.0K | 0.06% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 46,627 | $105.4K | 0.00% | +3,648+8.5% | Added |
| Sentinus, LLC | 51,300 | $115.9K | 0.01% | −305,518−85.6% | Reduced |
| Northern Trust Corp | 56,619 | $128.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 58,807 | $132.9K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 65,835 | $147.0K | 0.00% | −11,797−15.2% | Reduced |
| Integrated Quantitative Investments LLC | 72,500 | $163.8K | 0.03% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 77,962 | $176.2K | 0.00% | +933+1.2% | Added |
| 4Thought Financial Group Inc. | 83,406 | $188.5K | 0.09% | −779−0.9% | Reduced |
| Hillsdale Investment Management Inc. | 86,000 | $194.4K | 0.01% | −12,000−12.2% | Reduced |
| BlackRock, Inc. | 120,238 | $271.7K | 0.00% | +3,622+3.1% | Added |
| LPL Financial LLC | 146,307 | $330.7K | 0.00% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 151,365 | $342.1K | 0.00% | +151,365 | New |
| Renaissance Technologies LLC | 176,900 | $399.8K | 0.00% | −41,300−18.9% | Reduced |
| Navalign, LLC | 251,126 | $567.5K | 0.14% | +152,546+154.7% | Added |
| Dynamic Advisor Solutions LLC | 317,692 | $718.0K | 0.02% | +28,175+9.7% | Added |
| North Star Investment Management Corp. | 333,518 | $753.8K | 0.05% | +333,518 | New |
| Geode Capital Management, LLC | 335,159 | $757.6K | 0.00% | +47,244+16.4% | Added |
| Parthenon LLC | 392,284 | $886.6K | 0.10% | 00.0% | Unchanged |
| Topline Capital Management, LLC | 461,177 | $1.04M | 0.17% | −93,329−16.8% | Reduced |
| Bard Associates Inc | 608,402 | $1.37M | 0.35% | −1,982−0.3% | Reduced |
| Luxor Capital Group, LP | 651,959 | $1.47M | 0.23% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 1,133,471 | $2.56M | 0.00% | +1,133,471 | New |
| Punch & Associates Investment Management, Inc. | 2,552,455 | $5.77M | 0.33% | +53,145+2.1% | Added |
| Needham Investment Management LLC | 3,155,000 | $7.13M | 0.36% | +10,000+0.3% | Added |
| 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 |