Top IOS Owners for 2025

Annual ranking of the top IOS owners, target markets, and number of IOS owned and acquired.

TOP IOS OWNERS for 2025

Welcome back to our annual rankings of the Top IOS Owners for 2025! The pace of acquisitions and dispositions was furious last year. We suspect 2026 may be busier still.

If you want to find IOS pros from these world-class firms, search our directory here. Congrats to the participants, and off we go!

TOP OWNERS - RANKED BY IOS PROPERTY COUNT

Ranking

Company

IOS Properties Owned

IOS Acquisitions in 2025

1

Alterra IOS

362

104

2

Realterm (North American holdings)

355

48

3

J.P. Morgan Asset Management

260

67

4

B&D Holdings

175

20

5

Monomoy Properties

152

12

6

Jadian IOS

140

Confidential

7

Stockbridge

133

15

8

Fortress

125

Confidential

9

Catalyst Investment Partners

113

48

10

Stonemont

111

14

11

Industrial Outdoor Ventures

92

10

12

Triten Real Estate Partners

90

14

13

Greenspring Realty Partners

71

14

14

Criterion Group

60

0

15

CanTex Capital

55

34

16

9606 Capital LLC

52

10

17

Dayton Street Partners

45

6

18

Equity Advisors Group, Inc.

42

18

19

Ambient Capital Partners

34

6

20

Center Capital Partners

33

17

21

Dalfen Industrial

32

19

22

Imperium Capital

29

7

23

Timber Hill Group

28

5

24

Clarion Partners

25

5

T-25

Miramar Capital

23

15

T-25

Alluvion Partners

23

27

27

Bleecker Partners

21

14

T-28

Simi Capital Group

20

6

T-28

Ross Capital Ventures, LLC

20

6

30

Apricus Realty Capital

18

6

31

Ridgecut Road

15

8

32

Hampton Partners

12

1

T-33

K2 Real Estate Capital

11

3

T-33

Genesis LLC

11

8

T-33

Adana Capital

11

8

36

Crosswest Capital

10

7

T-37

Ramser Development Company

6

0

T-37

Green Courte Partners, LLC

6

3

T-37

Brennan Investment Group

6

3

T-37

TruCore Industrial

6

3

41

Cartage Capital Partners

5

3

MOST ACTIVE ACQUIRERS

Ranking

Company

IOS Properties Acquired in 2025

Target Markets

1

Alterra IOS

104

Nationwide

2

J.P. Morgan Asset Management

67

Nationwide

T-3

Realterm (North American acquisitions)

48

Global

T-3

Catalyst Investment Partners

48

East Coast - Supply Constrained and High-Barrier to Entry Markets

5

CanTex Capital

34

DFW

6

Alluvion Partners

27

Nationwide

7

B&D Holdings

20

Nationwide

8

Dalfen Industrial

19

Nationwide

9

Equity Advisors Group, Inc.

18

AZ, CO, OH, TX, WI

10

Center Capital Partners

17

SunBelt

T-11

Stockbridge

15

Nationwide

T-11

Miramar Capital

15

Southwest, Mountain West, Texas & Southeast

T-13

Stonemont

14

Nationwide

T-13

Triten Real Estate Partners

14

Nationwide

T-13

Greenspring Realty Partners

14

Nationwide

T-13

Bleecker Partners

14

17

Monomoy Properties

12

Nationwide

T-18

Industrial Outdoor Ventures

10

Nationwide

T-18

9606 Capital LLC

10

Nationwide

T-20

Ridgecut Road

8

NJ and NYC Metro

T-20

Genesis LLC

8

New Jersey, Southeast, Port Markets

T-20

Adana Capital

8

Nationwide

T-23

Imperium Capital

7

Nationwide - Major Metros

T-23

Crosswest Capital

7

National Transportation / Logistics Markets

T-25

Dayton Street Partners

6

Nationwide

T-25

Ambient Capital Partners

6

Nationwide, Top 15 MSAs, Port Markets

T-25

Simi Capital Group

6

Southeast and Midwest

T-25

Ross Capital Ventures, LLC

6

Texas

T-25

Apricus Realty Capital

6

Texas major markets, Denver, KC, ports/borders

T-30

Timber Hill Group

5

Southeast, Midwest, Southwest

T-30

Clarion Partners

5

Nationwide

T-32

K2 Real Estate Capital

3

East Coast and Texas

T-32

Green Courte Partners, LLC

3

Nationwide

T-32

Brennan Investment Group

3

Nationwide

T-32

TruCore Industrial

3

Nationwide (Primary and Secondary markets)

T-32

Cartage Capital Partners

3

Southeast

37

Hampton Partners

1

Mountain West, Midwest, Dallas, Denver

Don’t forget to check out last year’s rankings to see how they shifted: Top IOS Owners 2024

And tune in for our rankings of Top IOS Sales Brokers and Leasing Brokers, both coming next week!

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Editor’s note: As of December 31, 2025. Represents North American holdings only. Data submitted by participants. Some large groups decided not to participate, so this is not a comprehensive list.

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