Avidia Bancorp, Inc. (AVBC) Ownership
AVBC ownership summary
as of October 18, 2026- Institutions
- 36.6% of shares outstanding
- Insiders
- 13.59% of shares outstanding
- Shares outstanding
- 18.5M
- Float
- 17.1M shares available to trade
- Short interest
- 2.66% 473K shares short
- Days to cover
- 2.73 short interest down 4.7% vs prior month
- Institutions 36.65%
- Insiders 13.59%
- Other investors 49.77%
AVBC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management,Inc. | 6.35% | 1.2M | $25.8M | −24,805 (−2.1%) | June 30, 2026 |
| 2 | BlackRock Inc | 6.23% | 1.2M | $25.3M | +875,156 (+316.5%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 4.34% | 801K | $17.6M | −21,183 (−2.6%) | June 30, 2026 |
| 4 | FJ Capital Management LLC | 2.69% | 497K | $10.9M | — | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 2.40% | 443K | $9.7M | +222,719 (+101.3%) | June 30, 2026 |
| 6 | State Street Corp | 1.36% | 251K | $5.5M | +188,377 (+299.4%) | June 30, 2026 |
| 7 | Two Sigma Investments LLC | 1.34% | 247K | $5.4M | +36,088 (+17.1%) | June 30, 2026 |
| 8 | Hennessy Advisors, Inc. | 0.85% | 157K | $3.4M | +2,000 (+1.3%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 0.81% | 149K | $3.3M | +25,163 (+20.3%) | June 30, 2026 |
| 10 | Marshall Wace Asset Management Ltd | 0.79% | 146K | $3.2M | +45,218 (+44.8%) | June 30, 2026 |
| 11 | Northern Trust Corp | 0.78% | 144K | $3.2M | +103,632 (+257.9%) | June 30, 2026 |
| 12 | Vanguard Fiduciary Trust Co | 0.67% | 125K | $2.7M | +8,344 (+7.2%) | June 30, 2026 |
| 13 | Vanguard Portfolio Management, LLC | 0.67% | 123K | $2.7M | +123,123 (0.0%) | June 30, 2026 |
| 14 | Renaissance Technologies Corp | 0.63% | 117K | $2.6M | +73,512 (+169.8%) | June 30, 2026 |
| 15 | The Goldman Sachs Group Inc | 0.59% | 110K | $2.4M | +11,563 (+11.8%) | June 30, 2026 |
| 16 | Ancora Advisors LLC | 0.56% | 103K | $2.3M | +27,160 (+36.0%) | June 30, 2026 |
| 17 | Fort Hoosac Management, LLC | 0.53% | 98K | $2.2M | +65,600 (+200.0%) | June 30, 2026 |
| 18 | Commonwealth Equity Services, LLC | 0.50% | 92K | $2.0M | +16,307 (+21.4%) | June 30, 2026 |
| 19 | White Pine Capital LLC | 0.47% | 87K | $1.9M | −77,866 (−47.3%) | June 30, 2026 |
| 20 | Franklin Templeton Inc | 0.37% | 68K | $1.5M | −7,801 (−10.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 1.8M shares and 4 cut 132K.
AVBC top mutual fund and ETF holders
19 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.09% | 571K | $12.5M | — | August 31, 2026 |
| 2 | T. Rowe Price Small-Cap Value | 2.74% | 506K | $11.1M | −4,637 (−0.9%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.38% | 440K | $9.7M | +7,524 (+1.7%) | September 30, 2026 |
| 4 | Fidelity Small Cap Index | 1.06% | 196K | $4.3M | +2,985 (+1.5%) | July 31, 2026 |
| 5 | iShares Russell 2000 Value ETF | 0.93% | 171K | $3.8M | +260 (+0.2%) | September 30, 2026 |
| 6 | Hennessy Small Cap Financial Investor | 0.85% | 157K | $3.4M | — | September 30, 2026 |
| 7 | Northwestern Mutual Ser Small Cap Value | 0.68% | 125K | $2.7M | −8,719 (−6.5%) | June 30, 2026 |
| 8 | Vanguard Russell 2000 ETF | 0.57% | 105K | $2.3M | +2,511 (+2.4%) | August 31, 2026 |
| 9 | Fidelity Extended Market Index | 0.50% | 92K | $2.0M | −493 (−0.5%) | August 31, 2026 |
| 10 | iShares Micro-Cap ETF | 0.31% | 58K | $1.3M | −398 (−0.7%) | September 30, 2026 |
| 11 | Schwab Small Cap Index | 0.24% | 45K | $978,252 | — | August 31, 2026 |
| 12 | Hotchkis & Wiley Sm Cp Divers Val I | 0.23% | 42K | $924,516 | +42,100 (0.0%) | August 31, 2026 |
| 13 | Fidelity Total Market Index | 0.19% | 36K | $779,953 | — | August 31, 2026 |
| 14 | iShares Russell 2000 Small-Cap Idx Instl | 0.19% | 34K | $752,086 | — | August 31, 2026 |
| 15 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.18% | 34K | $748,792 | +1,632 (+5.0%) | August 31, 2026 |
| 16 | Putnam Small Cap Value A | 0.18% | 34K | $743,126 | −10,800 (−24.2%) | August 31, 2026 |
| 17 | Ancora/Thelen Small-Mid Cap I | 0.18% | 33K | $728,281 | +33,164 (0.0%) | September 30, 2026 |
| 18 | Principal SmallCap Value II Instl | 0.15% | 28K | $622,720 | +27,168 (+2,284.9%) | August 31, 2026 |
| 19 | Fidelity Series Total Market Index | 0.15% | 28K | $608,358 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AVBC insider transactions
latest 10| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-18 | Bartholomew H Murphy Jr | Buy | $19.15 | 1,500 | $28,725 |
| 2026-03-12 | Barry H Jensen | Buy | $18.69 | 1,000 | $18,690 |
| 2026-03-12 | Michael R Girard | Buy | $18.80 | 450 | $8,460 |
| 2026-03-09 | Bartholomew H Murphy Jr | Buy | $19.09 | 1,500 | $28,635 |
| 2026-03-09 | Jonathan Michael Nelson | Buy | $19.39 | 2,579 | $50,007 |
| 2026-03-02 | Nicolas Karmelek | Buy | $18.59 | 1,090 | $20,263 |
| 2026-03-02 | Robert D Cozzone | Buy | $18.79 | 1,064 | $19,993 |
| 2026-02-23 | Barry H Jensen | Buy | $18.71 | 2,000 | $37,420 |
| 2026-02-11 | Barry H Jensen | Buy | $18.95 | 1,000 | $18,950 |
| 2026-02-11 | Robert D Cozzone | Buy | $19.36 | 2,582 | $49,988 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
Who owns AVBC
Institutional investors own 36.6% of Avidia Bancorp's shares and insiders 13.59%. The largest holder is T. Rowe Price Investment Management,Inc. with 6.35% of the shares (1.2M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 4 reduced their stake in the latest filings. Short interest is 2.66% of the float, or 2.73 days of average trading volume. The share count fell 7.7% since 2024.
Related: AVBC analyst forecast, AVBC key metrics. See the AVBC stock overview for the latest quote and news.
AVBC ownership FAQ
Who owns the most Avidia Bancorp stock?
The largest shareholders of Avidia Bancorp are T. Rowe Price Investment Management,Inc. (6.35%), BlackRock Inc (6.23%), Vanguard Capital Management, LLC (4.34%), FJ Capital Management LLC (2.69%), Geode Capital Management, LLC (2.40%).
What percentage of Avidia Bancorp is owned by institutions?
Institutions hold 36.6% of Avidia Bancorp's shares outstanding; insiders hold 13.59%.
Which funds own Avidia Bancorp?
The largest fund holders of Avidia Bancorp are Vanguard MStar Total Stk Mkt Idx Invest (3.09%), T. Rowe Price Small-Cap Value (2.74%), iShares Russell 2000 ETF (2.38%), Fidelity Small Cap Index (1.06%), iShares Russell 2000 Value ETF (0.93%).
What is Avidia Bancorp's short interest?
473K shares of Avidia Bancorp were sold short, 2.66% of the float; at the average daily volume it would take 2.73 days to cover.
Are insiders buying or selling Avidia Bancorp?
Of the latest 10 reported insider transactions in Avidia Bancorp (since February 11, 2026), 10 were purchases and 0 were sales.
How many shares of Avidia Bancorp are outstanding?
Avidia Bancorp has 18.5M shares outstanding, of which 17.1M are in the public float.