TBIRX
Nuveen Bond Index Fund
TIAA-CREF Funds
Index fund

Allocation breakdown

As of March 31, 2026 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of March 31, 2026 · N-PORT

How we map holdings to the sectors above: each holding's issuer carries a U.S. SIC industry code in its EDGAR filer record, and each SIC code rolls up to a sector. Expand a sector to see its industries, and click a SIC code to list this fund's positions in that industry. Bonds and foreign or private issuers with no SEC filer record fall into Unclassified.

Federal & Federally-Sponsored Credit Agencies 0.24%
National Commercial Banks 0.11%
Commercial Banks, NEC 0.08%
State Commercial Banks 0.04%
Security Brokers, Dealers & Flotation Companies 0.03%
Savings Institution, Federally Chartered 0.01%
Finance Services 0.01%
Security & Commodity Brokers, Dealers, Exchanges & Services 0.01%
Investment Advice 0.01%
Life Insurance 0.01%
Fire, Marine & Casualty Insurance 0.01%
Insurance Agents, Brokers & Service 0.01%
Telephone & Telegraph Apparatus 0.19%
Semiconductors & Related Devices 0.03%
Computer & office Equipment 0.01%
Measuring & Controlling Devices, NEC 0.01%
Services-Prepackaged Software 0.01%
Electric Services 0.04%
Electric & Other Services Combined 0.03%
Natural Gas Transmission 0.01%
Gas & Other Services Combined 0.01%
Refuse Systems 0.01%
Real Estate Investment Trusts 0.07%
Construction Machinery & Equip 0.01%
Pumps & Pumping Equipment 0.01%
Ship & Boat Building & Repairing 0.01%
Railroads, Line-Haul Operating 0.01%
Wholesale-Computers & Peripheral Equipment & Software 0.01%
Services-Commercial Physical & Biological Research 0.01%
Hotels & Motels 0.02%
Services-Business Services, NEC 0.02%
Retail-Grocery Stores 0.01%
Services-Consumer Credit Reporting, Collection Agencies 0.01%
Agricultural Chemicals 0.02%
Paperboard Containers & Boxes 0.01%
Plastic Materials, Synth Resins & Nonvulcan Elastomers 0.01%
Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics 0.01%
Pharmaceutical Preparations 0.03%
Biological Products, (No Diagnostic Substances) 0.01%
Cable & Other Pay Television Services 0.04%
Beverages 0.03%
Crude Petroleum & Natural Gas 0.02%
Unclassified 98.56%

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