ISBA · Isabella Bank Corp

$39.31 -0.14 (-0.34%)

Russell 2000 member Rebalance outlook locked

Market Cap

$300.88M

7.63M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 59

Total Value: $61,549,357

Total Shares: 1,558,212

Institutional Ownership Trend

8 quarters

Holder Concentration

Across 59 13F filers · Δ vs Mar 31, 2026

Top Holder

30.0%

+2.7 pts

Top 5

69.5%

+4.1 pts

Top 10

81.4%

−0.5 pts

HHI

1,484

Broadly held+290

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +16

Institutional value: +34.2%

Shares held: +55.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+367,230	467,431
Mega GEODE CAPITAL MANAGEMENT, LLC	+95,849	176,251
Mega STATE STREET CORP	+64,529	86,581
Mega NORTHERN TRUST CORP	+38,731	53,471
Mega VANGUARD CAPITAL MANAGEMENT LLC	+25,551	299,599

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large MARSHALL WACE, LLP	−33,813	19,865
Mega Qube Research & Technologies Ltd	−14,176	7,358
Mega UBS Group AG	−9,954	3,435
Mega MORGAN STANLEY	−6,115	3,067
Mega CITIGROUP INC	−298	4,992

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	46,742	$1,846,309
Mega VICTORY CAPITAL MANAGEMENT INC	31,000	$1,224,500
Mega TWO SIGMA INVESTMENTS, LP	23,858	$942,391
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC	20,321	$802,679
Mega Bank of New York Mellon Corp	16,773	$662,532

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega MILLENNIUM MANAGEMENT LLC	107,356	$4,902,948
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	94,742	$4,326,867
Mega JANE STREET GROUP, LLC	7,147	$326,403
Large Schonfeld Strategic Advisors LLC	6,505	$297,083
Large HRT FINANCIAL LP	6,343	$289,684

Filter: New 27 Increased 16 Reduced 5 Sold out 11 Unchanged 11

Showing 59 of 59

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$18,463,524

30.00%

467,431

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	492	$19,434	0.1%	Sole
BlackRock Investment Management, LLC	20,235	$799,282	4.3%	Sole
BLACKROCK ADVISORS LLC	15,106	$596,687	3.2%	Sole
BlackRock Fund Advisors	248,200	$9,803,900	53.1%	Sole
BlackRock Institutional Trust Company, N.A.	183,398	$7,244,221	39.2%	Sole

VANGUARD CAPITAL MANAGEMENT LLC

$11,834,160

19.23%

299,599

GEODE CAPITAL MANAGEMENT, LLC

$6,961,914

11.31%

176,251

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	26,307	$1,039,126	14.9%	Defined
Held directly	149,944	$5,922,788	85.1%	Defined

STATE STREET CORP

$3,419,949

5.56%

86,581

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	86,581	$3,419,949	100.0%	Defined

NORTHERN TRUST CORP

$2,112,104

3.43%

53,471

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	52,380	$2,069,010	98.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	1,091	$43,094	2.0%	Other

VANGUARD PORTFOLIO MANAGEMENT LLC

$1,846,309

3.00%

46,742

VANGUARD FIDUCIARY TRUST CO

$1,836,039

2.98%

46,482

HARBOUR INVESTMENTS, INC.

$1,303,026

2.12%

32,988

VICTORY CAPITAL MANAGEMENT INC

$1,224,500

1.99%

31,000

GOLDMAN SACHS GROUP INC

$1,084,749

1.76%

27,462

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	27,462	$1,084,749	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$942,391

1.53%

23,858

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$802,679

1.30%

20,321

AMERICAN CENTURY COMPANIES INC

$787,274

1.28%

19,931

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	19,931	$787,274	100.0%	Defined

MARSHALL WACE, LLP

$784,667

1.27%

19,865

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	19,865	$784,667	100.0%	Other

Bank of New York Mellon Corp

$662,532

1.08%

16,773

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	5,971	$235,854	35.6%	Defined
The Bank of New York Mellon	10,799	$426,560	64.4%	Defined
Held directly	3	$118	0.0%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$562,480

0.91%

14,240

CITADEL ADVISORS LLC

$558,806

0.91%

14,147

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	4,216	$166,532	29.8%	Defined
Held directly	9,931	$392,274	70.2%	Defined

Nuveen, LLC

$501,254

0.81%

12,690

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	3,483	$137,578	27.4%	Defined
TEACHERS ADVISORS, LLC joint	9,207	$363,676	72.6%	Defined

Integrated Wealth Concepts LLC

$482,453

0.78%

12,214

BANK OF AMERICA CORP /DE/

$416,725

0.68%

10,550

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	10,550	$416,725	100.0%	Defined

Walleye Capital LLC

$355,263

0.58%

8,994

DIMENSIONAL FUND ADVISORS LP

$349,179

0.57%

8,840

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	553	$21,843	6.3%	Defined
DFA Australia Ltd.	766	$30,257	8.7%	Defined
Dimensional Ireland Ltd	759	$29,980	8.6%	Defined
Held directly	6,762	$267,099	76.5%	Sole

Mattson Financial Services, LLC

$337,093

0.55%

8,534

Gradient Investments LLC

$337,093

0.55%

8,534

Qube Research & Technologies Ltd

$290,641

0.47%

7,358

DEUTSCHE BANK AG\

$267,573

0.43%

6,774

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	6,774	$267,573	100.0%	Defined

FourThought Financial Partners, LLC

$252,484

0.41%

6,392

WELLS FARGO & COMPANY/MN

$249,363

0.41%

6,313

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	5,813	$229,613	92.1%	Defined
WELLS FARGO CLEARING SERVICES, LLC	500	$19,750	7.9%	Defined

Invesco Ltd.

$242,569

0.39%

6,141

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	843	$33,298	13.7%	Defined
Invesco Trust Co joint	2,766	$109,257	45.0%	Defined
Invesco Capital Management LLC	2,532	$100,014	41.2%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$224,952

0.37%

5,695

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	5,695	$224,952	100.0%	Defined

RHUMBLINE ADVISERS

$211,522

0.34%

5,355

NORRIS PERNE & FRENCH LLP/MI

$203,464

0.33%

5,151

CITIGROUP INC

$197,184

0.32%

4,992

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	4,992	$197,184	100.0%	Defined

MetLife Investment Management, LLC

$169,850

0.28%

4,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	4,300	$169,850	100.0%	Defined

UBS Group AG

$135,682

0.22%

3,435

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	3,265	$128,967	95.1%	Defined
UBS Securities LLC	170	$6,715	4.9%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$125,689

0.20%

3,182

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	3,182	$125,689	100.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$121,304

0.20%

3,071

MORGAN STANLEY

$121,146

0.20%

3,067

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	6	$237	0.2%	Defined
MORGAN STANLEY & CO. LLC	2,031	$80,224	66.2%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	762	$30,099	24.8%	Defined
MORGAN STANLEY SMITH BARNEY LLC	268	$10,586	8.7%	Defined

JPMORGAN CHASE & CO

$113,641

0.18%

2,877

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	2,877	$113,641	100.0%	Defined

Vanguard Global Advisers, LLC

$105,741

0.17%

2,677

NEW YORK STATE COMMON RETIREMENT FUND

$102,700

0.17%

2,600

Atlantic Union Bankshares Corp

$101,238

0.16%

2,563

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Atlantic Union Bankshares Corp	2,563	$101,238	100.0%	Sole

Police & Firemen's Retirement System of New Jersey

$80,856

0.13%

2,047

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	2,047	$80,856	100.0%	Defined

BARCLAYS PLC

$55,339

0.09%

1,401

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	1,033	$40,803	73.7%	Defined
BARCLAYS CAPITAL INC.	368	$14,536	26.3%	Defined

STRS OHIO

$55,300

0.09%

1,400

Legal & General Group Plc

$26,702

0.04%

676

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	676	$26,702	100.0%	Defined

Ameritas Investment Partners, Inc.

$24,885

0.04%

630

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	630	$24,885	100.0%	Other

Russell Investments Group, Ltd.

$21,883

0.04%

554

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	554	$21,883	100.0%	Defined

ROYAL BANK OF CANADA

$20,776

0.03%

526

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	307	$12,126	58.4%	Defined
RBC Capital Markets, LLC	219	$8,650	41.6%	Defined

Tower Research Capital LLC (TRC)

$20,461

0.03%

518

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	518	$20,461	100.0%	Defined

Clearstead Advisors, LLC

$11,099

0.02%

281

HUNTINGTON NATIONAL BANK

$9,875

0.02%

250

JONES FINANCIAL COMPANIES LLLP

$5,925

0.01%

150

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	150	$5,925	100.0%	Sole

Sterling Capital Management LLC

$5,530

0.01%

140

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

$3,792

0.01%

ROTHSCHILD INVESTMENT LLC

$1,975

0.00%

FMR LLC

$1,224

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	31	$1,224	100.0%	Defined

OSAIC HOLDINGS, INC.

$750

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	19	$750	100.0%	Defined

Caitong International Asset Management Co., Ltd

$79

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	94,742	$4,326,867	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	5,836	$266,530	81.7%	Defined
Jane Street Global Trading, LLC	1,311	$59,873	18.3%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	4,615	$210,767	100.0%	Defined

Key facts CIK 842517 CUSIP 464214105 13F (30d) 53 filings 53 filers Visit website