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Avidia Bancorp, Inc.

AVBC
Exchange
NYSE
Industry
Savings Institutions, Not Federally Chartered
SEC CIK
0002058758

In the last 90 days, Avidia Bancorp, Inc. insiders filed 8 open-market purchases and 0 sales; 81 institutions reported holding it in 13F filings for Q2 2026, worth $149.7M in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Avidia Bancorp, Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders
2
0 vs. Q2 2026
Shares held
12.8K
0 (0.0%) vs. Q2 2026
Total value
$275.8K
+$7.79K (+2.9%) vs. Q2 2026
New holders
0
0 more added
Sold out
0
0 more reduced

79 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AVBC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 37 institutionsQ4 2025: 53 institutionsQ1 2026: 66 institutionsQ2 2026: 81 institutions
Value held
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $84.7MQ4 2025: $97.9MQ1 2026: $126.9MQ2 2026: $149.7M
Institutions holding AVBC and their total value by quarter
QuarterHoldersValue
Q2 202681$149.7M
Q1 202666$126.9M
Q4 202553$97.9M
Q3 202537$84.7M
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Avidia Bancorp, Inc.; share changes are against Q2 2026.

Institutions holding AVBC in Q3 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Rockland Trust Co12,646$273.2K0.01%00.0%Unchanged
Eastern Bank123$2.66K0.00%00.0%Unchanged
T. Rowe Price Investment Management, Inc.––––Not filed
BlackRock, Inc.––––Not filed
Vanguard Capital Management LLC––––Not filed
FJ Capital Management LLC––––Not filed
Geode Capital Management, LLC––––Not filed
State Street Corp––––Not filed
Two Sigma Investments, LP––––Not filed
Hennessy Advisors Inc––––Not filed
Morgan Stanley––––Not filed
Marshall Wace, LLP––––Not filed
Northern Trust Corp––––Not filed
Vanguard Fiduciary Trust Co––––Not filed
Vanguard Portfolio Management LLC––––Not filed
Renaissance Technologies LLC––––Not filed
Goldman Sachs Group Inc––––Not filed
Ancora Advisors, LLC––––Not filed
Commonwealth Equity Services, LLC––––Not filed
White Pine Capital LLC––––Not filed
Franklin Resources Inc––––Not filed
Russell Investments Group, Ltd.––––Not filed
Polaris Capital Management, LLC––––Not filed
Charles Schwab Investment Management Inc––––Not filed
Ironwood Investment Management LLC––––Not filed
BNP Paribas Arbitrage, SA––––Not filed
Bank of New York Mellon Corp––––Not filed
Trexquant Investment LP––––Not filed
Panagora Asset Management Inc––––Not filed
JPMorgan Chase & Co––––Not filed
Nuveen, LLC––––Not filed
Gsa Capital Partners LLP––––Not filed
Stilwell Value LLC––––Not filed
Voleon Capital Management LP––––Not filed
Freestone Capital Holdings, LLC––––Not filed
Bank of America Corp––––Not filed
Great Oak Capital Partners, LLC––––Not filed
Arbiter Partners Capital Management LLC––––Not filed
Oppenheimer & Close, LLC––––Not filed
Millennium Management LLC––––Not filed
Wells Fargo & Company––––Not filed
XTX Topco Ltd––––Not filed
UBS Group AG––––Not filed
Citadel Advisors LLC––––Not filed
Deutsche Bank AG––––Not filed
Rhumbline Advisers––––Not filed
Engineers Gate Manager LP––––Not filed
Price T Rowe Associates Inc––––Not filed
Lynch & Associates––––Not filed
Occudo Quantitative Strategies LP––––Not filed
American Century Companies Inc––––Not filed
Jane Street Group, LLC––––Not filed
Citigroup Inc––––Not filed
Farther Finance Advisors, LLC––––Not filed
SEI Investments Co––––Not filed
Schonfeld Strategic Advisors LLC––––Not filed
MetLife Investment Management––––Not filed
Invesco Ltd.––––Not filed
Intellus Advisors LLC––––Not filed
Mackenzie Financial Corp––––Not filed
Mirae Asset Global ETFs Holdings Ltd.––––Not filed
Vanguard Global Advisers, LLC––––Not filed
New York State Common Retirement Fund––––Not filed
Barclays PLC––––Not filed
Police & Firemen's Retirement System of New Jersey––––Not filed
Flagship Wealth Advisors, LLC––––Not filed
STRS Ohio––––Not filed
Tower Research Capital LLC (TRC)––––Not filed
Legal & General Group Plc––––Not filed
Sachetta, LLC––––Not filed
Ameritas Investment Partners, Inc.––––Not filed
Northwestern Mutual Wealth Management Co––––Not filed
Royal Bank of Canada––––Not filed
Sterling Capital Management LLC––––Not filed
California State Teachers Retirement System––––Not filed
Quarry LP––––Not filed
FMR LLC––––Not filed
UMA Financial Services, Inc.––––Not filed
Rialto Wealth Management, LLC––––Not filed
Bare Financial Services, Inc––––Not filed
Avion Wealth––––Not filed