Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in RSSS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | NEEDHAM INVESTMENT MANAGEMENT LLC | 3.2M | $7.1M | +0.3% | 9.433% | 0.36% |
| 2 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 2.6M | $5.8M | +2.1% | 7.631% | 0.33% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $2.6M | — | 3.389% | 0.00% |
| 4 | Luxor Capital Group, LP | 652K | $1.5M | 0.0% | 1.949% | 0.28% |
| 5 | BARD ASSOCIATES INC | 608K | $1.4M | -0.3% | 1.819% | 0.35% |
| 6 | Topline Capital Management, LLC | 461K | $1.0M | -16.8% | 1.379% | 0.17% |
| 7 | PARTHENON LLC | 392K | $887K | 0.0% | 1.173% | 0.10% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 335K | $758K | +16.4% | 1.002% | 0.00% |
| 9 | North Star Investment Management Corp. | 334K | $754K | — | 0.997% | 0.05% |
| 10 | Dynamic Advisor Solutions LLC | 318K | $718K | +9.7% | 0.950% | 0.02% |
| 11 | Navalign, LLC | 251K | $568K | +154.7% | 0.751% | 0.14% |
| 12 | RENAISSANCE TECHNOLOGIES LLC | 177K | $400K | -18.9% | 0.529% | 0.00% |
| 13 | VANGUARD FIDUCIARY TRUST CO | 151K | $342K | — | 0.453% | 0.00% |
| 14 | LPL Financial LLC | 146K | $331K | 0.0% | 0.437% | 0.00% |
| 15 | BlackRock, Inc. | 120K | $272K | +3.1% | 0.359% | 0.00% |
| 16 | Hillsdale Investment Management Inc. | 86K | $194K | -12.2% | 0.257% | 0.01% |
| 17 | 4Thought Financial Group Inc. | 83K | $188K | -0.9% | 0.249% | 0.09% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 78K | $176K | +1.2% | 0.233% | 0.00% |
| 19 | Integrated Quantitative Investments LLC | 73K | $164K | 0.0% | 0.217% | 0.03% |
| 20 | STATE STREET CORP | 59K | $133K | 0.0% | 0.176% | 0.00% |
| 21 | NORTHERN TRUST CORP | 57K | $128K | 0.0% | 0.169% | 0.00% |
| 22 | Rothschild Wealth LLC | 51K | $116K | — | 0.153% | 0.01% |
| 23 | GOLDMAN SACHS GROUP INC | 47K | $105K | +8.5% | 0.139% | 0.00% |
| 24 | Greenhaven Road Investment Management, L.P. | 38K | $87K | 0.0% | 0.115% | 0.06% |
| 25 | CITADEL ADVISORS LLC | 36K | $81K | +24.3% | 0.107% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in RSSS — a direct measure of their conviction.
Filings activity in RSSS during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new RSSS position in Q1 2026
Institutions that fully closed their RSSS position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 39 | +0.0% | 33.46% | 9.66 pp | $26M | 22% |
| Q4 2025 | 39 | 19% | 43.12% | 17.41 pp | $34M | 29% |
| Q3 2025 | 48 | +2.1% | 60.53% | +12.07 pp | $47M | +25% |
| Q2 2025 | 47 | +0.0% | 48.46% | +3.69 pp | $38M | +8.2% |
| Q1 2025 | 47 | +0.0% | 44.77% | 27.55 pp | $35M | 38% |
| Q4 2024 | 47 | +24% | 72.32% | +28.96 pp | $56M | +67% |
| Q3 2024 | 38 | +8.6% | 43.36% | +14.74 pp | $34M | +52% |
| Q2 2024 | 35 | — | 28.62% | — | $22M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying RSSS stock.
Based on Q1 2026 13F filings, institutional ownership of Research Solutions, Inc. stands at 33.5%, held across 39 reporting institutions.
NEEDHAM INVESTMENT MANAGEMENT LLC is the largest reported institutional holder of RSSS, with approximately 3,155,000 shares worth $0.01B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of RSSS, including RENAISSANCE TECHNOLOGIES LLC, Greenhaven Road Investment Management, L.P., CITADEL ADVISORS LLC.
Our composite Smart Money Score for RSSS is 51 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
9 institutions opened new positions in RSSS during Q1 2026, while 9 fully exited. 2 added to existing positions and 28 trimmed.
RSSS institutional ownership fell by 9.66 percentage points quarter-over-quarter, with a net change of +0 holders.
The top 10 institutions account for 86.2% of all reported 13F value in RSSS, and the top 25 account for 98.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.