Who owns Avidia Bancorp, Inc., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
T. Rowe Price Investment Management, Inc.: 6.1% · 1,218,250 shares
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Avidia Bancorp, Inc. they hold. Together these 98 managers report 47.35% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | $24.6M | 1,172,953 | 0.02% | 5.87% | June 30, 2026 |
| BlackRock, Inc. | $24.2M | 1,151,670 | 0.00% | 5.77% | June 30, 2026 |
96 more institutional holders behind a free account
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 51 funds hold 10.25% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $12M | 0.00% | 2.86% | June 30, 2026 |
| T. Rowe Price Small-Cap Value Fund, Inc. | $10.9M | 0.10% | 2.61% | June 30, 2026 |
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