ISABELLA BANK CORP

PublicCIK: 842517
ISBANASDAQ
Location

MT PLEASANT, MI

13F Filings

Institutional Holders

ISABELLA BANK CORPISBA— Latest position per institution from SEC 13F filings

15

Institutional holders

1.91M

Total shares held

79.75M

Estimated value

95.30K

Avg. position size

1

BLACKROCK, INC.

CIK 2012383

Shares

467.43K

Value

18.46M

Filed

Jun 30, 2026

2

VANGUARD GROUP INC

CIK 102909

Shares

306.69K

Value

15.33M

Filed

Dec 31, 2025

3

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

299.60K

Value

11.83M

Filed

Jun 30, 2026

4

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

176.25K

Value

6.96M

Filed

Jun 30, 2026

5

MILLENNIUM MANAGEMENT LLC

CIK 1273087

Shares

107.36K

Value

4.90M

Filed

Mar 31, 2026

6

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 1446194

Shares

94.74K

Value

4.33M

Filed

Mar 31, 2026

7

STATE STREET CORP

CIK 93751

Shares

86.58K

Value

3.42M

Filed

Jun 30, 2026

8

NORTHERN TRUST CORP

CIK 73124

Shares

53.47K

Value

2.11M

Filed

Jun 30, 2026

9

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

46.74K

Value

1.85M

Filed

Jun 30, 2026

10

VANGUARD FIDUCIARY TRUST CO

CIK 933478

Shares

46.48K

Value

1.84M

Filed

Jun 30, 2026

11

HARBOUR INVESTMENTS, INC.

CIK 810121

Shares

32.99K

Value

1.30M

Filed

Jun 30, 2026

12

VICTORY CAPITAL MANAGEMENT INC

CIK 1040188

Shares

31K

Value

1.22M

Filed

Jun 30, 2026

13

GOLDMAN SACHS GROUP INC

CIK 886982

Shares

27.46K

Value

1.08M

Filed

Jun 30, 2026

14

TWO SIGMA INVESTMENTS, LP

CIK 1179392

Shares

23.86K

Value

942.39K

Filed

Jun 30, 2026

15

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 884546

Shares

20.32K

Value

802.68K

Filed

Jun 30, 2026

16

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

19.93K

Value

787.27K

Filed

Jun 30, 2026

17

MARSHALL WACE, LLP

CIK 1318757

Shares

19.86K

Value

784.67K

Filed

Jun 30, 2026

18

BANK OF NEW YORK MELLON CORP

CIK 1390777

Shares

16.77K

Value

662.52K

Filed

Jun 30, 2026

19

BRIDGEWAY CAPITAL MANAGEMENT, LLC

CIK 1107261

Shares

14.24K

Value

562.48K

Filed

Jun 30, 2026

20

CITADEL ADVISORS LLC

CIK 1423053

Shares

14.15K

Value

558.81K

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.