Latest Period
Q2 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
58
Shares (Excl. Options)
1,558,116
Price
$39.50
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- Security type / class
- Equity / Common Stock
- Symbol
- ISBA on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 1,558,116
- Total 13F value
- $61,562,296
- Portfolio coverage rank
- 0%
- Share change
- +552,790
- Value change
- +$20,381,456
- Number of holders
- 58
- Shares outstanding
- 7,303,609
- SEC-reported price per share
- $39.19
- Insider filing price
- $39.19
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.
- 58 institutions reported positions in Q2 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 43 to 58 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $45,847,193 to $61,562,296.
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 58 institutions filings for Q2 2026.
Security key
464214105
Latest holder period
Q2 2026
13F holders
58
13D/G owners
1
CIK / CUSIP context first
Open Q2 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 30 Jun 2026, 58 institutional investors reported holding 1,558,116 shares of ISABELLA BANK CORP - Common Stock (ISBA). This represents 21% 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
20%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.4% | 467,431 | +366% | 0% | $18,463,525 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 299,599 | +9.3% | 0% | $11,834,161 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 176,251 | +119% | 0% | $6,963,500 |
| STATE STREET CORP | 1.2% | 86,581 | +293% | 0% | $3,419,950 |
| NORTHERN TRUST CORP | 0.73% | 53,471 | +263% | 0% | $2,112,105 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.64% | 46,742 | 0% | $1,846,309 | |
| VANGUARD FIDUCIARY TRUST CO | 0.64% | 46,482 | +14% | 0% | $1,836,039 |
| HARBOUR INVESTMENTS, INC. | 0.45% | 32,988 | +22% | 0.02% | $1,303,040 |
| VICTORY CAPITAL MANAGEMENT INC | 0.42% | 31,000 | 0% | $1,224,500 | |
| GOLDMAN SACHS GROUP INC | 0.38% | 27,462 | +32% | 0% | $1,084,749 |
| TWO SIGMA INVESTMENTS, LP | 0.33% | 23,858 | 0% | $942,391 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.28% | 20,321 | 0% | $802,680 | |
| AMERICAN CENTURY COMPANIES INC | 0.27% | 19,931 | +10% | 0% | $787,274 |
| MARSHALL WACE, LLP | 0.27% | 19,865 | -63% | 0% | $784,670 |
| Bank of New York Mellon Corp | 0.23% | 16,773 | 0% | $662,525 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.19% | 14,240 | 0% | 0.01% | $562,480 |
| CITADEL ADVISORS LLC | 0.19% | 14,147 | +167% | 0% | $558,807 |
| Nuveen, LLC | 0.17% | 12,690 | 0% | $501,256 | |
| Integrated Wealth Concepts LLC | 0.17% | 12,214 | +101% | 0% | $482,432 |
| BANK OF AMERICA CORP /DE/ | 0.14% | 10,550 | +13% | 0% | $416,725 |
| Walleye Capital LLC | 0.12% | 8,994 | 0% | $355,263 | |
| DIMENSIONAL FUND ADVISORS LP | 0.12% | 8,840 | 0% | 0% | $349,883 |
| Gradient Investments LLC | 0.12% | 8,534 | 0% | $337,093 | |
| Mattson Financial Services, LLC | 0.12% | 8,534 | 0.07% | $347,504 | |
| Qube Research & Technologies Ltd | 0.1% | 7,358 | -66% | 0% | $290,641 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
19
Latest
Q2 2026
Rows shown
1-19 of 19
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 1,558,116 | $61,562,296 | +$20,381,456 | $39.50 | 58 |
| 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 | $39.19 | 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 | $39.19 | 0 |
| 2015 Q4 | 100 | $2,000 | +$2,000 | $20.00 | 1 |