Latest Period
Q1 2026
Security Snapshot
ISABELLA BANK CORP - Common Stock (ISBA) Institutional Ownership
CUSIP: 464214105
13F Institutional Holders and Ownership History from Q4 2015 to Q2 2026
Institutions Reporting
43
Shares (Excl. Options)
1,003,867
Price
$45.67
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- Security type / class
- Equity / Common Stock
- Symbol
- ISBA on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,003,867
- Total 13F value
- $45,847,193
- Portfolio coverage rank
- 0%
- Share change
- +242,214
- Value change
- +$10,969,698
- Number of holders
- 43
- Shares outstanding
- 7,303,609
- SEC-reported price per share
- $39.05
- Insider filing price
- $39.05
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ISBA - ISABELLA BANK CORP - Common Stock is tracked under CUSIP 464214105.
- 43 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 43 to 6 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $45,847,193 to $784,944.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 43 institutions filings for Q1 2026.
Security key
464214105
Latest holder period
Q1 2026
13F holders
43
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
ISBA full holder history
ISABELLA BANK CORP SEC filings
ISABELLA BANK CORP company facts
ISABELLA BANK CORP insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 464214105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
ISBA
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 6.4% | $18,463,524 | 467,431 | BlackRock, Inc. | 30 Jun 2026 |
As of 31 Mar 2026, 43 institutional investors reported holding 1,003,867 shares of ISABELLA BANK CORP - Common Stock (ISBA). This represents 14% of the company’s total 7,303,609 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
13%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 3.8% | 274,048 | 0% | 0% | $12,515,772 |
| MILLENNIUM MANAGEMENT LLC | 1.5% | 107,356 | +719% | 0% | $4,902,949 |
| BlackRock, Inc. | 1.4% | 100,201 | -0.57% | 0% | $4,576,179 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.3% | 94,742 | +81% | 0.01% | $4,326,867 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 80,402 | +3.8% | 0% | $3,673,673 |
| MARSHALL WACE, LLP | 0.73% | 53,678 | +126% | 0% | $2,451,473 |
| VANGUARD FIDUCIARY TRUST CO | 0.56% | 40,754 | 0% | 0% | $1,861,235 |
| HARBOUR INVESTMENTS, INC. | 0.37% | 27,021 | 0% | 0.02% | $1,234,049 |
| STATE STREET CORP | 0.3% | 22,052 | +157% | 0% | $1,007,115 |
| Qube Research & Technologies Ltd | 0.29% | 21,534 | +15% | 0% | $983,458 |
| GOLDMAN SACHS GROUP INC | 0.29% | 20,825 | +4.7% | 0% | $951,078 |
| AMERICAN CENTURY COMPANIES INC | 0.25% | 18,043 | 0% | $824,024 | |
| NORTHERN TRUST CORP | 0.2% | 14,740 | 0% | 0% | $673,176 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.19% | 14,240 | 0.01% | $650,341 | |
| UBS Group AG | 0.18% | 13,389 | +250% | 0% | $611,475 |
| BANK OF AMERICA CORP /DE/ | 0.13% | 9,316 | +116% | 0% | $425,462 |
| MORGAN STANLEY | 0.13% | 9,182 | +9.3% | 0% | $419,343 |
| DIMENSIONAL FUND ADVISORS LP | 0.12% | 8,840 | 0% | $402,861 | |
| JANE STREET GROUP, LLC | 0.1% | 7,147 | -15% | 0% | $326,403 |
| Schonfeld Strategic Advisors LLC | 0.09% | 6,505 | 0% | $297,083 | |
| FourThought Financial Partners, LLC | 0.09% | 6,392 | -14% | 0.03% | $291,923 |
| HRT FINANCIAL LP | 0.09% | 6,343 | 0% | $289,000 | |
| Integrated Wealth Concepts LLC | 0.08% | 6,091 | -0.33% | 0% | $278,195 |
| Point72 Asset Management, L.P. | 0.08% | 5,989 | +0.37% | 0% | $273,518 |
| CITIGROUP INC | 0.07% | 5,290 | +135% | 0% | $241,595 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
19
Latest
Q1 2026
Rows shown
1-19 of 19
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 19,872 | $784,944 | +$581,479 | $39.50 | 6 |
| 2026 Q1 | 1,003,867 | $45,847,193 | +$10,969,698 | $45.67 | 43 |
| 2025 Q4 | 750,003 | $37,502,140 | +$11,720,041 | $50.00 | 34 |
| 2025 Q3 | 515,607 | $18,176,475 | +$8,045,817 | $35.25 | 22 |
| 2025 Q2 | 287,410 | $8,666,504 | +$8,651,429 | $30.15 | 17 |
| 2025 Q1 | 500 | $11,795 | $23.59 | 1 | |
| 2024 Q4 | 500 | $12,995 | +$12,995 | $25.99 | 1 |
| 2020 Q1 | 400 | $7,000 | -$1,750 | $17.50 | 1 |
| 2019 Q4 | 500 | $12,000 | $24.00 | 1 | |
| 2019 Q2 | 0 | $0 | -$1,424,997 | $39.05 | 0 |
| 2019 Q1 | 60,010 | $1,425,000 | -$24,957 | $23.75 | 1 |
| 2018 Q4 | 61,061 | $1,378,000 | -$338,514 | $22.57 | 1 |
| 2018 Q3 | 76,061 | $2,035,000 | +$463,982 | $26.75 | 1 |
| 2018 Q2 | 58,719 | $1,565,000 | +$445,761 | $26.65 | 1 |
| 2018 Q1 | 41,994 | $1,151,000 | +$536,278 | $27.41 | 1 |
| 2017 Q4 | 22,428 | $634,000 | +$185,383 | $28.27 | 1 |
| 2017 Q3 | 15,870 | $460,000 | +$460,000 | $28.99 | 1 |
| 2016 Q1 | 0 | $0 | -$2,000 | $39.05 | 0 |
| 2015 Q4 | 100 | $2,000 | +$2,000 | $20.00 | 1 |