Avidia Bancorp, Inc.
Ownership
Ownership Structure
Who owns Avidia Bancorp, Inc. (AVBC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.4% of the shares are freely tradable; institutional investors hold 39.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| T. Rowe Price Investment Management,Inc. | 6.35 | 1,172,953 | -2.1 | 06/30/2026 |
| BlackRock Inc | 6.23 | 1,151,670 | +316.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.34 | 800,793 | -2.6 | 06/30/2026 |
| FJ Capital Management LLC | 2.69 | 497,258 | +0.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.40 | 442,624 | +101.3 | 06/30/2026 |
| State Street Corp | 1.36 | 251,299 | +299.4 | 06/30/2026 |
| Two Sigma Investments LLC | 1.34 | 247,210 | +17.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.22 | 571,050 | +0.0 | 09/30/2026 |
| T. Rowe Price Small-Cap Value | 2.85 | 506,021 | +0.0 | 09/30/2026 |
| iShares Russell 2000 ETF | 2.44 | 433,160 | +0.0 | 10/30/2026 |
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 |
|---|---|---|---|---|---|
| Cozzone Robert D | President & CEO | 193,000 | 4,361,800 $ | Oct 13, 2026 | direct |
| Nelson Jonathan Michael | CFO and Treasurer | 95,045 | 2,148,017 $ | Oct 13, 2026 | direct |
| Murphy Michael Dennis | Director | 75,926 | 1,715,928 $ | Sep 14, 2026 | both |
| Jensen Barry H | EVP and Chief Admin Officer | 74,000 | 1,672,400 $ | Oct 13, 2026 | direct |
| Grimaldo Joseph F | Director | 69,731 | 1,575,921 $ | Aug 26, 2026 | both |
| Doane Thomas | EVP- Human Resources | 51,563 | 1,165,324 $ | Aug 17, 2026 | both |
| O'Connell Mark | Director | 50,076 | 1,131,718 $ | Sep 16, 2026 | direct |
| Blazar Paul | Director | 49,411 | 1,116,689 $ | Sep 16, 2026 | direct |
| Gilles Michael O | Director | 46,172 | 1,043,487 $ | Sep 16, 2026 | direct |
| Karmelek Nicolas | EVP and CRO | 39,727 | 897,830 $ | Oct 13, 2026 | direct |
| Frost Donald J III | EVP- Consumer Banking | 36,000 | 813,600 $ | Oct 13, 2026 | direct |
| Gallagher Carol V | Director | 30,576 | 691,018 $ | Sep 16, 2026 | direct |
| Saul Kennedy O | Director | 30,126 | 680,848 $ | Sep 16, 2026 | direct |
| Leland Jeffrey B | Director | 24,576 | 555,418 $ | Sep 16, 2026 | direct |
| Flanigan Micheal Neil | Director | 20,176 | 455,978 $ | Sep 16, 2026 | both |
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 |
|---|---|---|---|---|---|---|
| Nov 5, 2026 | Flanigan Micheal Neil | Director | Sell | 900 | 23.24 | 20,917 |
| Oct 13, 2026 | Cozzone Robert D | President & CEO | Other | 192,000 | 0.00 | – |
| Oct 13, 2026 | Doane Thomas | EVP- Human Resources | Other | 32,000 | 0.00 | – |
| Oct 13, 2026 | Frost Donald J III | EVP- Consumer Banking | Other | 36,000 | 0.00 | – |
| Oct 13, 2026 | Jensen Barry H | EVP and Chief Admin Officer | Other | 32,000 | 0.00 | – |
| Oct 13, 2026 | Karmelek Nicolas | EVP and CRO | Other | 32,000 | 0.00 | – |
| Oct 13, 2026 | Nelson Jonathan Michael | CFO and Treasurer | Other | 76,000 | 0.00 | – |
| Sep 18, 2026 | Flanigan Micheal Neil | Director | Sell | 2,200 | 22.33 | 49,132 |
| Sep 18, 2026 | Flanigan Micheal Neil | Director | Sell | 1,300 | 22.33 | 29,031 |
| Sep 18, 2026 | Flanigan Micheal Neil | Director | Sell | 1,500 | 22.35 | 33,525 |
| Sep 16, 2026 | Murphy Michael Dennis | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Leland Jeffrey B | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Grimaldo Joseph F | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Girard Michael R | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Gilles Michael O | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Gallagher Carol V | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Flanigan Micheal Neil | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Candela Vanessa | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Blazar Paul | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Ball James N | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | Saul Kennedy O | Director | Other | 20,076 | 0.00 | – |
| Sep 16, 2026 | O'Connell Mark | Director | Other | 20,076 | 0.00 | – |
| Sep 14, 2026 | Murphy Michael Dennis | Director | Buy | 5,000 | 22.12 | 110,600 |
| Sep 3, 2026 | Nelson Jonathan Michael | CFO and Treasurer | Buy | 4,500 | 22.19 | 99,855 |
| Aug 26, 2026 | Grimaldo Joseph F | Director | Buy | 5,000 | 22.02 | 110,088 |
| Aug 17, 2026 | Doane Thomas | EVP- Human Resources | Buy | 1,726 | 22.31 | 38,507 |
| Aug 11, 2026 | Saul Kennedy O | Director | Buy | 872 | 21.67 | 18,896 |
| Aug 11, 2026 | Saul Kennedy O | Director | Buy | 4,278 | 21.65 | 92,619 |
| Aug 11, 2026 | Saul Kennedy O | Director | Buy | 79 | 21.64 | 1,710 |
| Aug 11, 2026 | Saul Kennedy O | Director | Buy | 145 | 21.63 | 3,136 |
| Aug 11, 2026 | Saul Kennedy O | Director | Buy | 513 | 21.62 | 11,091 |
| Aug 11, 2026 | Saul Kennedy O | Director | Buy | 13 | 21.61 | 281 |
| Aug 11, 2026 | Grimaldo Joseph F | Director | Buy | 4,655 | 21.44 | 99,786 |
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 12, 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.