Who owns Avidia Bancorp, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AVBC from SEC Form 13F filings across 82 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 82 institutions disclosed 7.1M shares of Avidia Bancorp, Inc. worth $149.7M — about 38.4% of shares outstanding; the largest disclosed holder is T. Rowe Price Investment Management, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
82
13F holders
$149.7M
value, 2026 filers
38.4%
of shares outstanding (7.1M sh)
29
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AVBC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management, Inc. | 1.2M | $24.6M | 0.0% | 6.3% | -2.1% |
| 2 | BlackRock, Inc. | 1.2M | $24.2M | 0.0% | 6.2% | +316.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 800,793 | $16.8M | 0.0% | 4.3% | -2.6% |
| 4 | FJ Capital Management LLC | 497,258 | $10.4M | 1.4% | 2.7% | 0.0% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 442,624 | $9.3M | 0.0% | 2.4% | +101.3% |
| 6 | STATE STREET CORP | 251,299 | $5.3M | 0.0% | 1.4% | +299.4% |
| 7 | TWO SIGMA INVESTMENTS, LP | 247,210 | $5.2M | 0.0% | 1.3% | +17.1% |
| 8 | HENNESSY ADVISORS INC | 157,000 | $3.3M | 0.1% | 0.8% | +1.3% |
| 9 | MORGAN STANLEY | 149,088 | $3.1M | 0.0% | 0.8% | +20.3% |
| 10 | MARSHALL WACE, LLP | 146,200 | $3.1M | 0.0% | 0.8% | +44.8% |
| 11 | NORTHERN TRUST CORP | 143,822 | $3.0M | 0.0% | 0.8% | +257.9% |
| 12 | VANGUARD FIDUCIARY TRUST CO | 124,642 | $2.6M | 0.0% | 0.7% | +7.2% |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 123,123 | $2.6M | 0.0% | 0.7% | new |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 116,812 | $2.5M | 0.0% | 0.6% | +169.8% |
| 15 | GOLDMAN SACHS GROUP INC | 109,562 | $2.3M | 0.0% | 0.6% | +11.8% |
| 16 | Ancora Advisors LLCNEW | 102,550 | $2.2M | 0.0% | 0.6% | new |
| 17 | COMMONWEALTH EQUITY SERVICES, LLC | 92,488 | $1.9M | 0.0% | 0.5% | +21.4% |
| 18 | WHITE PINE CAPITAL LLC | 86,705 | $1.8M | 0.4% | 0.5% | +17.4% |
| 19 | FRANKLIN RESOURCES INC | 68,497 | $1.4M | 0.0% | 0.4% | -10.2% |
| 20 | Russell Investments Group, Ltd. | 66,077 | $1.4M | 0.0% | 0.4% | -14.1% |
| 21 | Polaris Capital Management, LLC | 62,600 | $1.3M | 0.1% | 0.3% | +56.5% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 60,567 | $1.3M | 0.0% | 0.3% | +505.7% |
| 23 | IRONWOOD INVESTMENT MANAGEMENT LLC | 53,642 | $1.1M | 0.4% | 0.3% | 0.0% |
| 24 | BNP PARIBAS FINANCIAL MARKETS | 47,237 | $991,505 | 0.0% | 0.3% | +17.2% |
| 25 | Bank of New York Mellon CorpNEW | 45,933 | $964,133 | 0.0% | 0.2% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.