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Avidia Bancorp, Inc. (AVBC) shareholders

AVBCNYSESavings Institutions, Not Federally CharteredFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 7/3016% above fair value
$22.53−0.05 (-0.22%)

Close on Nov 13, 2026Market cap $449.93MP/E 15.3Yield –

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
100.0%
139M of 20M shares
Institutional holders
771
81 new, 68 sold out
Net institutional buying
7M
In Q2 2026
Insider trades, 12 months
51 buys · 4 sales
Net bought $1.66M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Avidia Bank Employee Stock Ownership Plan Trust1,606,1008.00%13G (passive)Sep 30, 2025
T. Rowe Price Investment Management, Inc.1,218,2506.10%13G (passive)Sep 30, 2025
BlackRock, Inc.1,151,6705.70%13G (passive)Jun 30, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of AVBCValueChange% of portfolio
BlackRock, Inc.19,004,54695.16%$3.39B+1,192,3160.05%
Vanguard Portfolio Management LLC12,239,46661.29%$2.29B+72,5940.10%
Vanguard Capital Management LLC9,892,10149.53%$1.73B−141,3500.04%
State Street Corp9,313,88246.64%$1.73B−19,9900.05%
Norges Bank7,691,12038.51%$1.45BNew0.14%
Geode Capital Management, LLC4,715,89323.61%$812.83M+213,1000.04%
JPMorgan Chase & Co4,615,59123.11%$882.66M+91,1680.05%
Price T Rowe Associates Inc /Md/4,075,80620.41%$766.51M+140,8710.08%
Charles Schwab Investment Management Inc3,595,21218.00%$668.23M+154,3360.09%
Principal Financial Group Inc3,518,16217.62%$663.85M−923,4370.33%
Northern Trust Corp2,766,06913.85%$497.81M+62,0640.06%
Dimensional Fund Advisors LP2,132,56010.68%$402.41M−4,5980.07%
Legal & General Group Plc1,945,0519.74%$366.71M−74,2160.08%
Bank Of America Corp /De/1,932,2429.68%$358.98M−298,5840.02%
UBS Asset Management Americas Inc1,928,4589.66%$363.88M+188,3060.07%
Invesco Ltd.1,848,7629.26%$347.03M−68,8650.03%
Morgan Stanley1,829,4659.16%$320.20M+39,6040.02%
Ameriprise Financial Inc1,660,3758.31%$311.19M+21,0830.06%
Goldman Sachs Group Inc1,637,0968.20%$290.53M−699,0890.03%
Viking Global Investors LP1,339,7826.71%$252.80MNew0.72%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026771139M100.0%81 / 285282 / 6817M10M
Q1 2026770132M100.0%111 / 253292 / 10433M22M
Q4 2025772145M100.0%113 / 234313 / 8419M9M
Q3 2025756135M100.0%101 / 279261 / 9916M13M
Q2 2025764132M100.0%90 / 298267 / 929M10M
Q1 2025777133M100.0%95 / 293263 / 708M7M
Q4 2024763134M100.0%102 / 279270 / 648M10M
Q3 2024739136M100.0%91 / 296236 / 5426M6M
Q2 2024712133M100.0%86 / 286226 / 717M10M
Q1 2024702136M100.0%70 / 267235 / 728M9M
Q4 2023710137M100.0%118 / 243247 / 4512M6M
Q3 2023646132M100.0%77 / 257198 / 685M6M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

688 funds held AVBC in Q2 2026, 61% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.

FundShares% of AVBCValue% of fundAs of
Vanguard Real Estate Index Fund5,291,87926.50%$982.23M1.34%Jul 31, 2026
Vanguard Total Stock Market Index Fund4,416,97422.12%$833.44M0.04%Jun 30, 2026
Vanguard 500 Index Fund3,599,06718.02%$679.11M0.04%Jun 30, 2026
Vanguard Mid-Cap Index Fund3,014,26715.09%$568.76M0.25%Jun 30, 2026
iShares Core S&P 500 ETF1,911,2519.57%$360.63M0.04%Jun 30, 2026
Fidelity 500 Index Fund1,811,9989.07%$330.71M0.04%May 31, 2026
Vanguard Value Index Fund1,322,9596.62%$249.63M0.10%Jun 30, 2026
Real Estate Securities Fund1,271,5196.37%$236.01M3.36%Jul 31, 2026
State Street(R) Real Estate Select Sector SPDR(R) ETF1,165,7965.84%$219.97M2.71%Jun 30, 2026
Schwab U.S. REIT ETF1,001,6785.02%$182.82M1.83%May 31, 2026
Invesco S&P 500 Equal Weight ETF998,5265.00%$185.34M0.19%Jul 31, 2026
Columbia Dividend Income Fund945,4884.73%$172.56M0.37%May 31, 2026
Vanguard Real Estate Ii Index Fund928,7604.65%$172.39M1.57%Jul 31, 2026
Vanguard Mid-Cap Value Index Fund893,4954.47%$168.59M0.45%Jun 30, 2026
Vanguard Institutional Index Fund754,1403.78%$142.30M0.04%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Robert D. CozzonePresident & CEO, Director261,9741.31%Oct 15, 2026
Nicolas KarmelekEVP and CRO63,1390.32%Oct 15, 2026
Thomas DoaneEVP- Human Resources52,7860.26%Oct 15, 2026
Jonathan Michael NelsonCFO and Treasurer117,5950.59%Oct 15, 2026
Barry H. JensenEVP and Chief Admin Officer75,1960.38%Oct 15, 2026
Donald J. Frost IIIEVP- Consumer Banking57,2560.29%Oct 15, 2026
Bartholomew H. Murphy JREVP & Chief Operating Off59,4400.30%Mar 19, 2026
Robert W. ConeryEVP & Chief Operations Off10,1170.05%Aug 8, 2025
Micheal Neil FlaniganDirector58,0100.29%Nov 6, 2026
Michael R. GirardDirector21,0510.11%Sep 17, 2026
James N. BallDirector70,0760.35%Sep 17, 2026
Michael Dennis MurphyDirector103,1560.52%Sep 17, 2026
Paul BlazarDirector49,4110.25%Sep 17, 2026
Joseph F. GrimaldoDirector89,7310.45%Sep 17, 2026
Michael O. GillesDirector72,4720.36%Sep 17, 2026
Vanessa CandelaDirector20,1760.10%Sep 17, 2026
Mark O'ConnellDirector50,0760.25%Sep 17, 2026
Carol V. GallagherDirector30,5760.15%Sep 17, 2026
Jeffrey B. LelandDirector49,4930.25%Sep 17, 2026
Kennedy O. SaulDirector30,1260.15%Sep 17, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Micheal Neil Flanigan
Director
Nov 5, 2026Sale−900$23.24$20.92K100
Robert D. Cozzone
President & CEO, Director
Oct 13, 2026Award+192,000––193,000
Donald J. Frost III
EVP- Consumer Banking
Oct 13, 2026Award+36,000––36,000
Thomas Doane
EVP- Human Resources
Oct 13, 2026Award+32,000––32,141
Barry H. Jensen
EVP and Chief Admin Officer
Oct 13, 2026Award+32,000––74,000
Nicolas Karmelek
EVP and CRO
Oct 13, 2026Award+32,000––39,727
Jonathan Michael Nelson
CFO and Treasurer
Oct 13, 2026Award+76,000––95,045
Micheal Neil Flanigan
Director
Sep 18, 2026Sale−2,200$22.33$49.13K0
Micheal Neil Flanigan
Director
Sep 18, 2026Sale−1,300$22.33$29.03K2,200
Micheal Neil Flanigan
Director
Sep 18, 2026Sale−1,500$22.35$33.53K3,500
Micheal Neil Flanigan
Director
Sep 16, 2026Award+20,076––20,076
Joseph F. Grimaldo
Director
Sep 16, 2026Award+20,076––20,076
Paul Blazar
Director
Sep 16, 2026Award+20,076––49,411
Michael Dennis Murphy
Director
Sep 16, 2026Award+20,076––69,076
James N. Ball
Director
Sep 16, 2026Award+20,076––20,076
Michael R. Girard
Director
Sep 16, 2026Award+20,076––20,076
Kennedy O. Saul
Director
Sep 16, 2026Award+20,076––30,126
Jeffrey B. Leland
Director
Sep 16, 2026Award+20,076––24,576
Mark O'Connell
Director
Sep 16, 2026Award+20,076––50,076
Carol V. Gallagher
Director
Sep 16, 2026Award+20,076––30,576
Michael O. Gilles
Director
Sep 16, 2026Award+20,076––46,172
Vanessa Candela
Director
Sep 16, 2026Award+20,076––20,176
Michael Dennis Murphy
Director
Sep 14, 2026Buy+5,000$22.12$110.60K6,850
Jonathan Michael Nelson
CFO and Treasurer
Sep 3, 2026Buy+4,500$22.19$99.86K19,045
Joseph F. Grimaldo
Director
Aug 26, 2026Buy+5,000$22.02$110.10K49,655
Thomas Doane
EVP- Human Resources
Aug 17, 2026Buy+1,726$22.31$38.51K19,422
Joseph F. Grimaldo
Director
Aug 11, 2026Buy+4,655$21.44$99.80K44,655
Kennedy O. Saul
Director
Aug 11, 2026Buy+79$21.64$1.71K4,900
Kennedy O. Saul
Director
Aug 11, 2026Buy+13$21.61$2814,163
Kennedy O. Saul
Director
Aug 11, 2026Buy+513$21.62$11.09K4,676
Kennedy O. Saul
Director
Aug 11, 2026Buy+145$21.63$3.14K4,821
Kennedy O. Saul
Director
Aug 11, 2026Buy+872$21.67$18.90K10,050
Kennedy O. Saul
Director
Aug 11, 2026Buy+4,278$21.65$92.62K9,178
Jonathan Michael Nelson
CFO and Treasurer
Jun 3, 2026Buy+1,065$18.90$20.13K14,545
Robert D. Cozzone
President & CEO, Director
May 29, 2026Buy+2,128$18.80$40.01K67,357
Nicolas Karmelek
EVP and CRO
May 27, 2026Buy+19$19.08$3637,727
Barry H. Jensen
EVP and Chief Admin Officer
May 18, 2026Buy+500$18.88$9.44K42,000
Michael O. Gilles
Director
May 15, 2026Buy+1,000$19.12$19.12K26,096
Michael O. Gilles
Director
May 15, 2026Buy+1,000$19.17$19.17K20,000
Michael O. Gilles
Director
May 15, 2026Buy+1,000$18.92$18.92K5,000
Michael O. Gilles
Director
May 14, 2026Buy+1,000$19.50$19.50K25,096
Barry H. Jensen
EVP and Chief Admin Officer
May 14, 2026Buy+500$19.26$9.63K41,500
Michael O. Gilles
Director
May 13, 2026Buy+3,000$19.50$58.50K19,000
Michael O. Gilles
Director
May 13, 2026Buy+1,000$19.50$19.50K4,000
Robert D. Cozzone
President & CEO, Director
May 13, 2026Buy+2,023$19.77$39.99K65,229
Barry H. Jensen
EVP and Chief Admin Officer
May 8, 2026Buy+1,000$20.19$20.19K41,000
Barry H. Jensen
EVP and Chief Admin Officer
Apr 29, 2026Buy+1,000$20.30$20.30K40,000
Nicolas Karmelek
EVP and CRO
Apr 28, 2026Buy+1,209$20.76$25.10K7,694
Nicolas Karmelek
EVP and CRO
Apr 28, 2026Buy+1,220$20.76$25.33K7,705
Thomas Doane
EVP- Human Resources
Apr 28, 2026Buy+2,040$21.16$43.17K17,495
Michael Dennis Murphy
Director
Apr 28, 2026Buy+1,850$20.94$38.74K1,850
James N. Ball
Director
Apr 27, 2026Buy+5,000$20.60$103.00K50,000
Bartholomew H. Murphy JR
EVP & Chief Operating Off
Mar 18, 2026Buy+1,500$19.15$28.72K23,000
Bartholomew H. Murphy JR
EVP & Chief Operating Off
Mar 12, 2026Buy+440$18.62$8.19K10,440
Barry H. Jensen
EVP and Chief Admin Officer
Mar 12, 2026Buy+1,000$18.69$18.69K39,000
Michael R. Girard
Director
Mar 12, 2026Buy+450$18.80$8.46K975
Bartholomew H. Murphy JR
EVP & Chief Operating Off
Mar 9, 2026Buy+1,500$19.09$28.64K21,500
Jonathan Michael Nelson
CFO and Treasurer
Mar 9, 2026Buy+2,579$19.39$50.01K22,378
Robert D. Cozzone
President & CEO, Director
Mar 2, 2026Buy+1,064$18.79$19.99K63,206
Nicolas Karmelek
EVP and CRO
Mar 2, 2026Buy+1,090$18.59$20.26K6,485

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Short interest

Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)

Short % of float
2.51%
0M shares short
Days to cover
4.2
At 0M shares a day
Change since last report
-10.0%
From 1M shares
Short volume, 20 days
56.7%
Of volume reported to FINRA

Shares sold short, last 12 months

Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Avidia Bancorp's stock actually held short. Settlement fails (shares not delivered on time) peaked at 8,489 shares on Aug 20, 2026 over the last 90 days.

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