Tenant concentration in technology and life science
51% of annualized base rental revenue came from technology tenants and 19% from life science/health care.
- Scope
- Stabilized portfolio tenant mix
- Materiality
- high
Kilroy Realty Corporation
Kilroy Realty Corp is a U.S. REIT that owns, develops, acquires, and manages premier office, life science, and mixed-use properties. Its portfolio is concentrated in innovation-oriented coastal and Sun Belt markets, with tenants drawn from technology, life science, media, and business services.
27,2 %
−2,0 %
| % | |
|---|---|
| Office properties | 55% Class A office buildings leased to technology, media, and services tenants. |
| Life science properties | 20% Specialized lab and research space for life science and healthcare users. |
| Mixed-use properties | 10% Properties combining office, residential, and amenity components. |
| Development and redevelopment | 15% Projects under construction or repositioning to expand future rent base. |
Kilroy’s customers are primarily corporate tenants that need modern, amenity-rich space in supply-constrained urban...
- Technology tenantsprimary
Software, cloud, internet, hardware, and tech services companies leasing modern office space for headquarters and collaboration.
- Life science and healthcare tenantsprimary
Biotech, research, and healthcare users leasing specialized space for labs and office support functions.
- Media tenantssecondary
Media and content companies leasing creative office space in urban innovation districts.
- Professional and business servicessecondary
Consulting, legal, and other services firms leasing office space for client-facing operations.
- Finance, insurance, and real estate tenantssecondary
Financial and real estate firms leasing office space for regional and corporate operations.
Kilroy’s portfolio is concentrated in the United States, especially in West Coast and Austin markets where it believes...
- •Core markets are in the San Francisco Bay Area, Los Angeles, Seattle, San Diego, and Austin
- •Business is U.S.-only, so results depend on domestic office and life science demand
- •West Coast concentration increases exposure to regional leasing cycles and regulation
- •Austin adds exposure to a fast-growing tech market with different supply dynamics
- •No country-level revenue disclosure was provided in the excerpts
Kilroy’s strategy is to own and develop high-quality properties in markets with strong barriers to entry and durable...
01
Concentrate capital in core innovation marketsmedium-term
These markets support pricing power, tenant demand, and long-term asset quality.
02
Expand and reposition life science and mixed-use assetsmedium-term
These uses can diversify demand and improve long-term rent growth.
03
Maintain sustainability and operating leadershiplong-term
Energy-efficient, well-operated buildings help attract tenants and support retention.
04
Recycle capital to fund growthshort-term
Disposition proceeds and joint ventures can help finance development and reduce concentration.
Kilroy is exposed to office-market weakness, tenant concentration, and cyclical demand from technology and life science...
Office market weakness
The portfolio is heavily weighted to office properties, which are sensitive to leasing demand and hybrid work trends.
- Scope
- Premier office assets in core U.S. markets
- Materiality
- high
Interest rate and financing risk
The REIT depends on external capital for development, refinancing, and acquisitions.
- Scope
- Debt maturities and new financing
- Materiality
- high
Development execution risk
Returns depend on timely completion and leasing of development/redevelopment projects.
- Scope
- In-process projects and pipeline
- Materiality
- medium
Environmental liability risk
The company may be liable for remediation costs under environmental laws regardless of fault.
- Scope
- Owned properties and transactions
- Materiality
- medium
Cybersecurity and third-party systems risk
Operations rely on internal and outsourced systems that can be disrupted by cyber incidents.
- Scope
- Property operations and corporate systems
- Materiality
- medium
Revenue recognition for leases
Affects timing of revenue and net operating income
Capitalized interest
Affects reported interest expense and asset basis
Leasing costs and tenant improvements
Affects expense timing and comparability
Noncontrolling interests
Affects net income attributable to common shareholders
Environmental contingencies
Can affect liabilities and future cash outflows
: 28.4.2026