ZoomInfo Technologies Inc.
Ownership
Ownership Structure
Who owns ZoomInfo Technologies Inc. (GTM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 83.6% of the shares are freely tradable; institutional investors hold 106.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 11.28 | 32,843,553 | +32.9 | 03/31/2026 |
| FMR Inc | 5.48 | 15,944,197 | -32.1 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.65 | 13,540,534 | -10.3 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.45 | 12,962,162 | +0.0 | 03/31/2026 |
| LSV Asset Management | 4.41 | 12,827,919 | +4.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.69 | 10,755,199 | +0.0 | 03/31/2026 |
| AQR Capital Management LLC | 3.25 | 9,463,206 | +115.6 | 03/31/2026 |
| State Street Corp | 3.14 | 9,148,566 | +6.5 | 03/31/2026 |
| JPMorgan Chase & Co | 3.13 | 9,100,859 | -0.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.42 | 15,784,450 | +0.0 | 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 |
|---|---|---|---|---|---|
| O'Brien Michael Graham | CFO | 300,221 | 1,200,884 $ | Sep 1, 2026 | direct |
| HSKB Funds II, LLC | 10% Owner | 209,574 | 838,296 $ | Sep 1, 2026 | direct |
| Roth James M | Chief Revenue Officer | 205,299 | 821,196 $ | Sep 2, 2026 | direct |
| McGrane Ashley | General Counsel and Corp Sec | 107,037 | 428,148 $ | Sep 2, 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 2, 2026 | Roth James M | Chief Revenue Officer | Sell | 94 | 4.17 | 392 |
| Sep 2, 2026 | McGrane Ashley | General Counsel and Corp Sec | Sell | 34 | 4.17 | 142 |
| Sep 1, 2026 | Roth James M | Chief Revenue Officer | Other | 156 | 4.24 | 661 |
| Sep 1, 2026 | Roth James M | Chief Revenue Officer | Other | 345 | – | – |
| Sep 1, 2026 | McGrane Ashley | General Counsel and Corp Sec | Other | 70 | 4.24 | 297 |
| Sep 1, 2026 | McGrane Ashley | General Counsel and Corp Sec | Other | 207 | – | – |
| Sep 1, 2026 | O'Brien Michael Graham | CFO | Other | 268 | 4.24 | 1,136 |
| Sep 1, 2026 | O'Brien Michael Graham | CFO | Other | 214 | – | – |
| Sep 1, 2026 | O'Brien Michael Graham | CFO | Other | 328 | – | – |
| Sep 1, 2026 | HSKB Funds II, LLC | 10% Owner | Other | 4,575 | 0.00 | – |
| Aug 7, 2026 | McGrane Ashley | General Counsel and Corp Sec | Sell | 16,400 | 4.16 | 68,227 |
| Aug 6, 2026 | O'Brien Michael Graham | CFO | Sell | 5,000 | 4.00 | 20,003 |
| Aug 4, 2026 | McGrane Ashley | General Counsel and Corp Sec | Sell | 997 | 3.56 | 3,553 |
| Aug 1, 2026 | McGrane Ashley | General Counsel and Corp Sec | Other | 1,997 | 3.30 | 6,590 |
| Aug 1, 2026 | McGrane Ashley | General Counsel and Corp Sec | Other | 5,987 | – | – |
| Aug 1, 2026 | O'Brien Michael Graham | CFO | Other | 61,073 | 3.30 | 201,541 |
| Aug 1, 2026 | O'Brien Michael Graham | CFO | Other | 758 | 3.30 | 2,501 |
| Aug 1, 2026 | O'Brien Michael Graham | CFO | Other | 91,384 | – | – |
| Aug 1, 2026 | O'Brien Michael Graham | CFO | Other | 29,400 | – | – |
| Aug 1, 2026 | O'Brien Michael Graham | CFO | Other | 3,469 | – | – |
| Aug 1, 2026 | O'Brien Michael Graham | CFO | Other | 1,541 | – | – |
| Aug 1, 2026 | HSKB Funds II, LLC | 10% Owner | Other | 27,278 | 0.00 | – |
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.