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Greater Boston’s 25 Largest Leases of 2025-26

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Assembly Square-BioMed

TransMedics Group, Inc., Dassault Systèmes, and Hasbro Top List of New England’s Largest Leases

BOSTON – Boston Real Estate Times, New England’s leading real estate digital, print and video production media, is pleased to announce its much-anticipated annual ranking of the largest leases in New England for the year 2025-2026.

Based on area leased in square feet, our list highlights the most dynamic transactions of 2025, driving both innovation and economic growth.

1. TransMedics Group, Inc. at Assembly Innovation Park

Assembly Square, Somerville, MA

Size: 498,000 SF

Type: Full-building

Landlord: BioMed Realty

 

2. Dassault Systèmes at 175 and 185 Wyman Street

175 & 185 Wyman Street, Waltham, MA

Size: 320,000 SF

Type: Mixed-use

Landlord: Hobbs Brook Real Estate

 

3. Hasbro at 400 Summer Street

400 Summer Street, Boston, MA

Size: 265,000 SF

Type: Office

Landlord: WS Development

 

4. Klaviyo at 125 Summer St.

125 Summer St., Boston, MA

Size: 256,000 SF

Type: Office

Landlord: Oxford Properties

 

5. Goodwin at 200 Fifth Avenue

200 Fifth Avenue, New York City, NY

Size: 244,000 SF

Type: Office

Landlord: BXP

 

6. Lila Sciences at Alewife Park

1 & 5 Alewife Park, Cambridge, MA

Size: 235,500 SF

Type: Life sciences

Landlord: IQHQ Inc.,

Broker Representing Tenant: Newmark

Broker Representing Landlord: Colliers

 

7. GSC USA at 175 Pioneer Drive

175 Pioneer Drive, Leominster, MA

Size: 231,000 SF

Type: Manufacturing

Landlord: Arris Partners

Broker Representing Tenant: Savills

Broker Representing Landlord: Arris Partners

 

8. DSV at Crossroads Industrial

1045 Richmond Highway, Stafford, VA

Size: 219,456 SF

Type: Warehouse

Landlord: Matan Companies

 

9. WilmerHale at 60 State Street

60 State Street, Boston, MA

Size: 201,018 SF

Type: Office

Landlord: Starwood REIT

Broker Representing Tenant: Savills

Broker Representing Landlord: JLL

 

10. State Street Corporation at The District Burlington

District Ave, Burlington, MA

Size: 162,000 SF

Type: Office

Landlord: National Development

 

11. Commonwealth Financial Network at 275 Wyman Street

275 Wyman Street, Waltham, MA

Size: 151,765 SF

Type: Office

Landlord: Hobbs Brook Real Estate

Broker Representing Tenant: Newmark

Broker Representing Landlord: CBRE

 

12. Rockland Trust at One Tech Campus

1 Technology Place, Rockland, MA

Size: 140,000 SF

Type: Office

Landlord: A.W. Perry

 

13. KKR at Two International Place

2 International Place, Boston, MA

Size: 132,529 SF

Type: Office

Landlord: The Chiofaro Company, PGIM Real Estate

Brokers Representing Landlord: JLL; Newmark; Cushman & Wakefield

 

14. Cooley LLP at 725 12th Street

725 12th Street, Washington, D.C.

Size: 126,000 SF

Type: Office

Landlord: BXP

 

15. DraftKings at 225 Franklin St.

225 Franklin St., Boston, MA

Size: 125,000 SF

Type: Office

Landlord: Oxford Properties

 

16. New England Appliance Group at 206 Mechanic Street

206 Mechanic Street, Bellingham, MA

Size: 124,000 SF

Type: Full-building

Landlord: Marcus Partners

 

17. Organogenesis Holdings Inc. at 100 Technology Way

100 Technology Way, Smithfield, RI

Size: 123,000 SF

Type: Full-building

Landlord: The Davis Companies

Broker Representing Tenant: JLL

Broker Representing Landlord: Newmark

 

18. Foot Locker at 570 Carillon

570 Carillon Parkway, St. Petersburg, FL

Size: 111,000 SF

Type: Office

Landlord: The Feil Organization

Broker Representing Tenant: JLL

Broker Representing Landlord: CBRE

 

19. REXA at The Campus at Canopy Drive

Canopy Drive, Middleborough, MA

Size: 110,000 SF

Type: Manufacturing

Landlord: VMD Companies

Broker Representing Landlord: CBRE

 

20. Roche at One Milestone

1 Milestone Street, Boston, MA

Size: 100,000 SF

Type: Mixed-use

Landlord: Tishman Speyer; Breakthrough Properties; The Harvard Allston Land Company

 

21. Red Thread at 4 Executive Place

4 Executive Place, Andover, MA

Size: 96,000 SF

Type: Industrial

Landlord: Marcus Partners

 

22. Intelligent Manufacturing Solutions at 12 Innovation Way

12 Innovation Way, Londonderry, NH

Size: 86,954 SF

Type: Industrial

Landlord: R.J. Kelly

Broker Representing Landlord: Newmark

 

23. Dentsply Sirona Inc. at 590 Lincoln Street

590 Lincoln Street, Waltham, MA

Size: 84,413 SF

Type: Office, Manufacturing

Landlord: Hobbs Brook Real Estate

Broker Representing Tenant: Cushman & Wakefield

Broker Representing Landlord: CBRE

 

24. Eli Lilly and Co. at 645 Summer Street

645 Summer Street, Boston, MA

Size: 75,000 SF

Type: Full-building

Landlord: Oxford Properties

 

25. Generate:Biomedicines at Innovation Park

4 Corporate Drive, Andover, MA

Size: 75,000 SF

Type: Laboratory

Landlord: IQHQ Inc.

 

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