RSSS
Research Solutions, Inc.
$2.31
-0.10 (-4.15%)
At close · Jul 2
Market Cap
$77.26M
Shares
33,447,532
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 40
Total Value: $31,489,758
Total Shares: 13,933,530
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 39 13F filers · Δ vs Dec 31, 2025Top Holder
27.2%
+0.7 pts
Top 5
69.8%
+0.9 pts
Top 10
85.7%
+0.4 pts
HHI
1,444
Broadly held+54
Quarterly Activity
vs Dec 31, 2025
New
9
Increased
11
Decreased
9
Sold Out
9
Unchanged
11
Holder count:
0
Institutional value:
-9.7%
Shares held:
+17.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Navalign, LLC | +152,546 | 251,126 | |
| Mid PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | +53,145 | 2,552,455 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +47,244 | 335,159 | |
| Mid Dynamic Advisor Solutions LLC | +28,175 | 317,692 | |
| Mid NEEDHAM INVESTMENT MANAGEMENT LLC | +10,000 | 3,155,000 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Rothschild Wealth LLC | −305,518 | 51,300 | |
| Small Topline Capital Management, LLC | −93,329 | 461,177 | |
| Large RENAISSANCE TECHNOLOGIES LLC | −41,300 | 176,900 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | −13,140 | 34,862 | |
| Mid Hillsdale Investment Management Inc. | −12,000 | 86,000 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| — Poplar Point Capital Management LLC | 2,329,374 | $5,264,385 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 1,133,471 | $2,561,644 | |
| Mid North Star Investment Management Corp. | 333,518 | $753,750 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 151,365 | $342,084 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | 16,313 | $36,867 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 1,264,105 | $3,716,467 | |
| Micro Perritt Capital Management Inc | 356,818 | $1,049,044 | |
| Large HighTower Advisors, LLC | 68,336 | $200,907 | |
| Mega JANE STREET GROUP, LLC | 25,826 | $75,928 | |
| Mega BANK OF AMERICA CORP /DE/ | 10,989 | $32,307 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid NEEDHAM INVESTMENT MANAGEMENT LLC | $7,130,300 | 22.64% | 3,155,000 | Shares | Defined | 2026-05-15 | ||||
| Mid PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | $5,768,548 | 18.32% | 2,552,455 | Shares | Sole | 2026-05-15 | ||||
| — Poplar Point Capital Management LLC | $5,264,385 | 16.72% | 2,329,374 | Shares | Sole | 2026-05-11 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $2,561,644 | 8.13% | 1,133,471 | Shares | Defined | 2026-05-15 | ||||
| Small Luxor Capital Group, LP | $1,473,427 | 4.68% | 651,959 | Shares | Sole | 2026-05-15 | ||||
| Small BARD ASSOCIATES INC | $1,374,988 | 4.37% | 608,402 | Shares | Sole | 2026-05-08 | ||||
| Small Topline Capital Management, LLC | $1,042,260 | 3.31% | 461,177 | Shares | Sole | 2026-05-15 | ||||
| Small PARTHENON LLC | $886,561 | 2.82% | 392,284 | Shares | Sole | 2026-04-28 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $757,458 | 2.41% | 335,159 | Shares | Defined | 2026-05-15 | ||||
| Mid North Star Investment Management Corp. | $753,750 | 2.39% | 333,518 | Shares | Sole | 2026-04-23 | ||||
| Mid Dynamic Advisor Solutions LLC | $717,983 | 2.28% | 317,692 | Shares | Sole | 2026-04-08 | ||||
| Small Navalign, LLC | $567,544 | 1.80% | 251,126 | Shares | Sole | 2026-04-29 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $399,794 | 1.27% | 176,900 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $342,084 | 1.09% | 151,365 | Shares | Defined | 2026-05-08 | ||||
| Mega LPL Financial LLC | $330,653 | 1.05% | 146,307 | Shares | Sole | 2026-05-06 | ||||
| Mega BlackRock, Inc. | $271,736 | 0.86% | 120,238 | Shares | Sole | 2026-05-13 | ||||
| Mid Hillsdale Investment Management Inc. | $194,360 | 0.62% | 86,000 | Shares | Sole | 2026-05-04 | ||||
| Micro 4Thought Financial Group Inc. | $188,497 | 0.60% | 83,406 | Shares | Sole | 2026-04-24 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $176,193 | 0.56% | 77,962 | Shares | Sole | 2026-05-07 | ||||
| Small Integrated Quantitative Investments LLC | $163,850 | 0.52% | 72,500 | Shares | Sole | 2026-05-13 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $148,787 | 0.47% | 65,835 | Shares | Defined | 2026-05-13 | ||||
| Mega STATE STREET CORP | $132,903 | 0.42% | 58,807 | Shares | Defined | 2026-05-15 | ||||
| Mega NORTHERN TRUST CORP Bank | $127,958 | 0.41% | 56,619 | Shares | Defined | 2026-05-14 | ||||
| Small Rothschild Wealth LLC | $115,938 | 0.37% | 51,300 | Shares | Sole | 2026-05-06 | ||||
| Mega GOLDMAN SACHS GROUP INC | $105,377 | 0.33% | 46,627 | Shares | Defined | 2026-05-15 | ||||
| Small Greenhaven Road Investment Management, L.P. | $86,958 | 0.28% | 38,477 | Shares | Other | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $80,772 | 0.26% | 35,740 | Shares | Defined | 2026-05-15 | ||||
| Large KING LUTHER CAPITAL MANAGEMENT CORP | $79,100 | 0.25% | 35,000 | Shares | Sole | 2026-05-11 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $78,788 | 0.25% | 34,862 | Shares | Other | 2026-05-15 | ||||
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $40,835 | 0.13% | 18,069 | Shares | Sole | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $36,867 | 0.12% | 16,313 | Shares | Other | 2026-05-15 | ||||
| Mid XTX Topco Ltd | $28,726 | 0.09% | 12,711 | Shares | Defined | 2026-05-15 | ||||
| Large STIFEL FINANCIAL CORP | $24,860 | 0.08% | 11,000 | Shares | Defined | 2026-05-12 | ||||
| Small Financial Management Professionals, Inc. | $12,240 | 0.04% | 5,416 | Shares | Sole | 2026-04-15 | ||||
| Mega Vanguard Global Advisers, LLC | $12,104 | 0.04% | 5,356 | Shares | Defined | 2026-05-08 | ||||
| Mega UBS Group AG | $8,413 | 0.03% | 3,723 | Shares | Defined | 2026-05-05 | ||||
| Mid Tower Research Capital LLC (TRC) | $2,874 | 0.01% | 1,272 | Shares | Defined | 2026-05-15 | ||||
| Mid Allworth Financial LP | $235 | 0.00% | 104 | Shares | Sole | 2026-05-15 | ||||
| Small Caitong International Asset Management Co., Ltd | $6 | 0.00% | 3 | Shares | Sole | 2026-05-11 | ||||
| Mega WELLS FARGO & COMPANY/MN | $2 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
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