Tetra Technologies Inc
Ownership
Ownership Structure
Who owns Tetra Technologies Inc (TTI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.2% of the shares are freely tradable; institutional investors hold 81.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.26 | 12,223,413 | +5.3 | 06/30/2026 |
| Neuberger Berman Group LLC | 5.85 | 8,667,727 | +6.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.13 | 6,117,626 | +12.8 | 06/30/2026 |
| Ameriprise Financial Inc | 4.10 | 6,065,202 | +10.0 | 06/30/2026 |
| Needham Investment Management, LLC | 3.82 | 5,651,500 | +67.5 | 06/30/2026 |
| Cramer Rosenthal McGlynn LLC | 3.42 | 5,070,419 | +187.9 | 06/30/2026 |
| American Century Companies Inc | 3.06 | 4,528,248 | +4.0 | 06/30/2026 |
| Driehaus Capital Management LLC | 2.95 | 4,373,843 | +21.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Needham Aggressive Growth Retail | 3.85 | 5,700,000 | +12.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.98 | 4,415,522 | +0.0 | 09/30/2026 |
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 |
|---|---|---|---|---|---|
| Murphy Brady M | President & CEO | 3,037,434 | 16,705,887 $ | Aug 25, 2026 | direct |
| Sanderson Matthew | Executive Vice President & CFO | 794,210 | 4,368,155 $ | Aug 25, 2026 | direct |
| Moeller Timothy C | Sr. Vice President | 546,659 | 3,006,625 $ | Oct 4, 2026 | direct |
| Boston Shoemake Alicia r | Sr. VP and General Counsel | 183,575 | 1,009,663 $ | Aug 25, 2026 | direct |
| John Angela D | Director | 97,434 | 535,887 $ | Sep 2, 2026 | direct |
| McNiven Roy | Sr. Vice President | 82,136 | 451,748 $ | Aug 25, 2026 | direct |
| Kokenes Kathrine | VP & Chief Accounting Officer | 6,190 | 34,045 $ | Sep 29, 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 |
|---|---|---|---|---|---|---|
| Oct 4, 2026 | Moeller Timothy C | Sr. Vice President | Other | 9,838 | 6.00 | 59,028 |
| Oct 4, 2026 | Moeller Timothy C | Sr. Vice President | Other | 25,000 | 0.00 | – |
| Sep 29, 2026 | Kokenes Kathrine | VP & Chief Accounting Officer | Other | 3,691 | 5.81 | 21,445 |
| Sep 29, 2026 | Kokenes Kathrine | VP & Chief Accounting Officer | Other | 9,881 | 0.00 | – |
| Sep 2, 2026 | John Angela D | Director | Buy | 10,000 | 6.50 | 65,000 |
| Aug 25, 2026 | Boston Shoemake Alicia r | Sr. VP and General Counsel | Other | 3,823 | 6.77 | 25,882 |
| Aug 25, 2026 | Boston Shoemake Alicia r | Sr. VP and General Counsel | Other | 9,713 | 0.00 | – |
| Aug 25, 2026 | Boston Shoemake Alicia r | Sr. VP and General Counsel | Other | 3,174 | 6.77 | 21,488 |
| Aug 25, 2026 | Boston Shoemake Alicia r | Sr. VP and General Counsel | Other | 8,066 | 0.00 | – |
| Aug 25, 2026 | Moeller Timothy C | Sr. Vice President | Other | 5,352 | 6.77 | 36,233 |
| Aug 25, 2026 | Moeller Timothy C | Sr. Vice President | Other | 13,599 | 0.00 | – |
| Aug 25, 2026 | Moeller Timothy C | Sr. Vice President | Other | 5,357 | 6.77 | 36,267 |
| Aug 25, 2026 | Moeller Timothy C | Sr. Vice President | Other | 13,612 | 0.00 | – |
| Aug 25, 2026 | Murphy Brady M | President & CEO | Other | 22,934 | 6.77 | 155,263 |
| Aug 25, 2026 | Murphy Brady M | President & CEO | Other | 58,282 | 0.00 | – |
| Aug 25, 2026 | Murphy Brady M | President & CEO | Other | 23,806 | 6.77 | 161,167 |
| Aug 25, 2026 | Murphy Brady M | President & CEO | Other | 60,496 | 0.00 | – |
| Aug 25, 2026 | Sanderson Matthew | Executive Vice President & CFO | Other | 5,734 | 6.77 | 38,819 |
| Aug 25, 2026 | Sanderson Matthew | Executive Vice President & CFO | Other | 14,570 | 0.00 | – |
| Aug 25, 2026 | Sanderson Matthew | Executive Vice President & CFO | Other | 5,952 | 6.77 | 40,295 |
| Aug 25, 2026 | Sanderson Matthew | Executive Vice President & CFO | Other | 15,124 | 0.00 | – |
| Aug 25, 2026 | McNiven Roy | Sr. Vice President | Other | 5,352 | 6.77 | 36,233 |
| Aug 25, 2026 | McNiven Roy | Sr. Vice President | Other | 13,599 | 0.00 | – |
| Aug 25, 2026 | McNiven Roy | Sr. Vice President | Other | 5,357 | 6.77 | 36,267 |
| Aug 25, 2026 | McNiven Roy | Sr. Vice President | Other | 13,612 | 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: November 2, 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.