Information Services Group Inc
Ownership
Ownership Structure
Who owns Information Services Group Inc (III)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 73.3% of the shares are freely tradable; institutional investors hold 69.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Private Capital Management, LLC | 10.07 | 4,874,068 | +4.3 | 06/30/2026 |
| HPM Partners LLC | 9.61 | 4,651,499 | +2.7 | 03/31/2026 |
| BlackRock Inc | 5.73 | 2,772,582 | -4.7 | 03/31/2026 |
| Renaissance Technologies Corp | 3.90 | 1,888,952 | +21.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.70 | 1,792,556 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.31 | 1,600,317 | +3.8 | 06/30/2026 |
| Hillsdale Investment Management Inc. | 2.03 | 984,303 | +16.5 | 06/30/2026 |
| Crawford Investment Counsel, Inc | 1.90 | 919,143 | +1.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.51 | 1,214,867 | +0.0 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.41 | 1,164,677 | -0.6 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Lavieri Todd D. | VICE CHAIRMAN | 1,219,105 | 6,461,257 $ | Aug 18, 2026 | direct |
| Sherrick Michael A. | EVP & CHIEF FINANCIAL OFFICER | 364,551 | 1,932,120 $ | Sep 1, 2026 | direct |
| Kucinski Thomas S. | EVP, CHIEF HR | 336,820 | 1,785,146 $ | Aug 18, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Sherrick Michael A. | EVP & CHIEF FINANCIAL OFFICER | Other | 66,996 | 5.06 | 339,000 |
| Aug 18, 2026 | Sherrick Michael A. | EVP & CHIEF FINANCIAL OFFICER | Other | 10,754 | 4.93 | 53,017 |
| Aug 18, 2026 | Sherrick Michael A. | EVP & CHIEF FINANCIAL OFFICER | Other | 18,116 | – | – |
| Aug 18, 2026 | Lavieri Todd D. | VICE CHAIRMAN | Other | 11,481 | 4.93 | 56,601 |
| Aug 18, 2026 | Lavieri Todd D. | VICE CHAIRMAN | Other | 25,880 | – | – |
| Aug 18, 2026 | Kucinski Thomas S. | EVP, CHIEF HR | Other | 4,197 | 4.93 | 20,691 |
| Aug 18, 2026 | Kucinski Thomas S. | EVP, CHIEF HR | Other | 7,764 | – | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.