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Disclosery

ISBA ISABELLA BK CORP

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COMMON STOCK (common), issuer CIK 842517

34 managers (34 13F filers) reported a position in ISBA shares at 2025-12-31, 750,003 shares in all. 12 filers opened a position and 0 filers sold out during the quarter.

Managers
34
13F filers
34
New
12
Added
11
Reduced
2
Sold out
0
Shares held by filers
750,003

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC306,685$15.3M<0.01%+60,74913F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.100,772$5.04M<0.01%+1,84813F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC77,481$3.88M<0.01%+73613F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…52,446$2.62M<0.01%+46,28713F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.27,021$1.35M0.03%013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP23,718$1.19M<0.01%new13F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC19,888$994K<0.01%new13F-HR/ATimelineGroup
Qube Research & Technologies Ltd18,666$933K<0.01%new13F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP14,740$737K<0.01%+1,19813F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC13,105$655K<0.01%new13F-HRTimelineGroup
LPL Financial LLC10,551$528K<0.01%new13F-HRTimeline
ExodusPoint Capital Management, LP8,765$438K<0.01%new13F-HRTimeline
STATE STREET CORPin group STATE STREET CORP8,591$430K<0.01%+1,87213F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY8,399$420K<0.01%+5,29413F-HR/ATimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC8,398$420K<0.01%new13F-HRTimelineGroup
FourThought Financial Partners, LLC7,392$370K0.03%013F-HRTimeline
Integrated Wealth Concepts LLC6,111$306K<0.01%+1213F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.5,967$298K<0.01%new13F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC5,757$288K<0.01%-12,10813F-HRTimelineGroup
NORRIS PERNE & FRENCH LLP/MI5,151$258K0.02%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/4,318$216K<0.01%+2,63313F-HRTimelineGroup
UBS Group AGin group UBS Group AG3,825$191K<0.01%+3,82413F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC3,361$168K<0.01%new13F-HRTimelineGroup
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp2,563$128K<0.01%013F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC2,253$113K<0.01%+2,25213F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,723$86.2K<0.01%new13F-HRTimelineGroup
CWM, LLCin group CWM, LLC756$38K<0.01%new13F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN500$25K<0.01%013F-HRTimelineGroup
MAI Capital Management350$17.5K<0.01%013F-HRTimeline
Clearstead Advisors, LLC281$14.1K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK250$12.5K<0.01%-25013F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP150$7.5K<0.01%013F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC50$2.5K<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.19$950<0.01%013F-HRTimelineGroup