Isabella Bank Corporation
Isabella Bank Corporation (ISBA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ISBA · as of Sep 30, 2025
Ownership Breakdown
22
Institutional Holders
▲ 5 vs Q2
$18.18M
Total Inst. Value
▲ $9.51M vs Q2
7.33M
Shares Outstanding
freeFloat 92.51%
515,607
13F Shares Held
▲ 228,197 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ISBA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC state commercial banks | 245.9K | 3.30% | 3.30% | $8.67B | Nov 7, 2025 | ▲ 132.6K |
BLACKROCK, INC. state commercial banks | 98.9K | 1.33% | 1.33% | $3.49B | Nov 12, 2025 | ▲ 5.9K |
GEODE CAPITAL MANAGEMENT, LLC state commercial banks | 76.7K | 1.03% | 1.03% | $2.71B | Nov 12, 2025 | ▲ 27.0K |
HARBOUR INVESTMENTS, INC. state commercial banks | 27.0K | 36.27% | 36.27% | $952.49M | Nov 12, 2025 | NEW |
CITADEL ADVISORS LLC state commercial banks | 17.9K | 23.98% | 23.98% | $629.74M | Nov 14, 2025 | NEW |
NORTHERN TRUST CORP state commercial banks | 13.5K | 18.17% | 18.17% | $477.36M | Nov 14, 2025 | ▲ 547 |
FOURTHOUGHT FINANCIAL PARTNERS, LLC state commercial banks | 7.4K | 9.92% | 9.92% | $260.57M | Nov 13, 2025 | ▼ 800 |
STATE STREET CORP state commercial banks | 6.7K | 9.02% | 9.02% | $236.84M | Nov 14, 2025 | NEW |
SUSQUEHANNA INTERNATIONAL GROUP, LLP state commercial banks | 6.2K | 8.27% | 8.27% | $217.10M | Nov 14, 2025 | NEW |
INTEGRATED WEALTH CONCEPTS LLC state commercial banks | 6.1K | 8.19% | 8.19% | $215.00M | Nov 14, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
5
Increased
+167.6K shares7
New Positions
first time holders3
Decreased
−3.2K shares2
Sold Out
fully exitedNet shares change (top 50)
+164.4K
+167.6K / −3.2K
Net new holders
+7
7 new / 2 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ISBA insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
11
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
McDonnell Neil Michael President | Jun 1, 2026 | Award | 3 | $41.49 | $124.47 | 12.2K | Form 4 ↗ |
Barnes Jeffrey J director | Jun 1, 2026 | Award | 225 | $41.49 | $9.3K | 42.5K | Form 4 ↗ |
Schwind Jerome E President & CEO | Jun 1, 2026 | Award | 113 | $41.49 | $4.7K | 37.6K | Form 4 ↗ |
Opperman Sarah R director | Jun 1, 2026 | Award | 43 | $41.49 | $1.8K | 24.5K | Form 4 ↗ |
Sackett Brian Roy director | Jun 1, 2026 | Award | 22 | $41.49 | $912.78 | 4.2K | Form 4 ↗ |
Bourland Jill director | Jun 1, 2026 | Award | 9 | $41.49 | $373.41 | 5.9K | Form 4 ↗ |
Rupp Vicki L director | Jun 1, 2026 | Award | 30 | $41.49 | $1.2K | 9.9K | Form 4 ↗ |
Coffin Melinda Marie director | Jun 1, 2026 | Award | 30 | $41.49 | $1.2K | 5.6K | Form 4 ↗ |
Tessin Brian B director | Jun 1, 2026 | Award | 7 | $41.49 | $290.43 | 1.1K | Form 4 ↗ |
Bourland Jill director | May 18, 2026 | Purchase | 7.308 | $41.05 | $300.002 | 5.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Isabella Bank Corporation (ISBA) is primarily owned by institutional investors, who hold approximately 7.0% of total shares outstanding. Company insiders own approximately 7.49%, while retail and public investors account for the remaining 85.48%.
The largest institutional shareholder of Isabella Bank Corporation is VANGUARD GROUP INC, holding approximately 245,936 shares — equal to 3.30% of outstanding shares — as of September 30, 2025.
A total of 22 institutional investors currently hold ISBA stock, with a combined institutional value of approximately $18,176,475 as of the most recent 13F filing period.
Frequently asked questions
ISBA ownershipIsabella Bank Corporation (ISBA) is primarily owned by institutional investors, who hold approximately 7.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 3.30% stake. Company insiders hold 7.49%. Data sourced from SEC Form 13F as of September 30, 2025.