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$ISBA
$39.69 +$0.33 (0.84%) Close

Ownership

13F as of Q2 2026 · 7.6M shares outstanding

Who owns ISBA?

By type of holder
Institutions 20.4% Insiders 0.0% Everyone else 79.7%
Concentration Top 10 holders own 16.5%
BlackRock, Inc. 6.1% · Vanguard Capital Management LLC 3.9%
Institutional ownership
20.4%
+7.2 pts vs last qtr
Institutional holders
59
+16 vs last qtr
Net shares bought
+548.2K
by institutions in Q2 2026
New / sold out
27 / 11
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • BlackRock, Inc. +367.2K
  • Geode Capital Management, LLC +95.8K

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Biggest sellers in Q2 2026
  • Millennium Management LLC SOLD OUT −107.4K
  • Susquehanna International Group, LLP SOLD OUT −94.7K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Isabella Bank Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025
−7.7%
−0.88% a year
Each share's claim on the business
+8.3%
grew without buying or selling a share
Spent on buybacks vs paid in stock
$11.2M vs $4.56M
over 10 fiscal years
Diluted shares, split-adjusted
7.2M7.7M8.2M2016: 8.0M shares'162017: 8.0M shares'172018: 8.1M shares'182019: 8.1M shares'192020: 8.1M shares'202021: 8.0M shares'212022: 7.6M shares'222023: 7.6M shares'232024: 7.5M shares'242025: 7.4M shares'25
Buybacks Stock-based comp
$0$2.4M$4.7M2016 buybacks: $02016 stock comp: $573.0K'162017 buybacks: $02017 stock comp: $640.0K'172018 buybacks: $02018 stock comp: $612.0K'182019 buybacks: $02019 stock comp: $523.0K'192020 buybacks: $02020 stock comp: $0'202021 buybacks: $02021 stock comp: $0'212022 buybacks: $02022 stock comp: $610.0K'222023 buybacks: $3.4M2023 stock comp: $782.0K'232024 buybacks: $3.1M2024 stock comp: $476.0K'242025 buybacks: $4.7M2025 stock comp: $341.0K'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years0% 3–5 years0% 1–3 years73% Under 1 year27%
Quarterly turnover
57.5%
of institutional shares changed hands
Top 10 managers, median time held
1 year

Super Investors

Investment managers reporting ISBA on Form 13F
B
BlackRock, Inc.
Shares
467.4K
% of company
6.13%
Change vs last qtr
+367.2K (+366.5%)
Held since
2025
VC
Vanguard Capital Management LLC
Shares
299.6K
% of company
3.93%
Change vs last qtr
+25.6K (+9.3%)
Held since
2025

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Institutional Funds

Mutual funds and ETFs reporting ISBA on Form N-PORT; together they hold 11.0% of the company
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$8.28M
% of company
2.75%
% of the fund
0.00%
As of
June 30, 2026
IR
iShares Russell 2000 ETF
iShares Trust
Position value
$6.23M
% of company
2.07%
% of the fund
0.01%
As of
June 30, 2026

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