Investments

The fund invests substantially all, but at least 80%, of its total assets in the securities comprising the index and in securities that the Adviser determines have economic characteristics that are substantially identical to the economic characteristics of the securities that comprise the index. The index measures the performance of public obligations of the U.S. Treasury that have a remaining maturity of greater than or equal to 1 month and less than 3 months.

Chicago Rivet & Machine Co. operates in the fastener industry in North America. It operates through Fasteners and Assembly Equipment. The Fastener segment manufactures and sells rivets, cold-formed fasteners and parts, and screw machine products. The Assembly Equipment segment engages in the manufacture and sale of automatic rivet setting machines, as well as parts and tools for related machines. It sells its products to automotive industry through independent sales representatives. The company was founded in 1920 and is based in Warrenville, Illinois.

Global quick-service restaurant company specializing in hamburgers, franchised locations, and restaurant real estate operations.

Corning Incorporated operates in optical communications, display, specialty materials, automotive, and life sciences businesses in the United States, Canada, Mexico, Japan, Taiwan, China, South Korea, Germany, and internationally. The company provides optical fibers and cables; and hardware and equipment products, such as cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for the telecommunications industry, businesses, governments, and individuals. It also offers glass substrates for flat panel displays, including liquid crystal displays and organic light-emitting diodes that are used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. In addition, it manufactures products that offer material formulations for glass, glass ceramics, crystals, precision metrology instruments, and software, as well as glass wafers and substrates, tinted sunglasses, and radiation shielding products for markets, such as mobile consumer electronics, semiconductor equipment optics and consumables, aerospace and defense optics, radiation shielding products, sunglasses, and telecommunications components. Further, the company provides ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications, as well as technical glass and optic products and solutions for the interior and exterior of vehicles. Additionally, it offers laboratory products, including plastic vessels, liquid handling plastics, specialty surfaces, cell culture media, and serum, as well as general labware, and glassware and equipment under the Corning, Falcon, PYREX, and Axygen brands. It also offers polysilicon products and pharmaceutical glass tubing and vials. The company was formerly known as Corning Glass Works and changed its name to Corning Incorporated in April 1989. Corning Incorporated was founded in 1851 and is headquartered in Corning, New York.

TIC Solutions, Inc. provides critical asset integrity services in North America. The company offers testing, inspection, certification, and compliance (TICC) services, including various nondestructive testing (NDT) techniques, such as radiography, ultrasonic testing, magnetic particle inspection, penetrant testing, and visual inspection. Its NDT activities include inspection and evaluation of industrial equipment through various technology-enabled methods to ensure asset integrity, prevent costly outages, failures, and accidents, and meet regulatory requirements without damaging the asset or component. It also provides market rope access technician solutions, including inspection and testing, as well as insulation, coatings and blasting, welding, pipe fitting, hoisting and rigging, and electrical services. In addition, its TICC services include support from consulting engineers with destructive testing, support failure investigation, material selection, corrosion engineering, welding engineering, fracture mechanics, destructive testing, and chemical analysis. Further, it offers geospatial services, such as data collection, data analytics, and software solutions that support asset management and infrastructure planning. The company serves a range of industrial markets, such as chemical, pipeline, refinery, power generation, oilsands, automotive, aerospace, mining, manufacturing, renewable energy, and pulp and paper. TIC Solutions, Inc. was formerly known as Acuren Corporation and changed its name to TIC Solutions, Inc. in October 2025. The company was founded in 1974 and is headquartered in Hollywood, Florida.

AIRO Group Holdings, Inc., a multi-faceted advanced Aerospace and Defense company in the United States, Europe, and internationally. The company operates through four segments: Drones, Avionics, Training, and Electric Air Mobility. Its Drones segment develops, manufactures, and sells drones. The Avionics segment develops, manufactures, and sells avionics for military and general aviation aircraft, drones, and eVTOLs. This segment offers flight displays, connected panels, and GPS/GNSS sensors. The Training segment currently provides military pilot training, which includes adversary air, close air support, ISR, aircraft leasing, pilot training, ground liaison services, and JTAC, as well as full joint theatre ISR and simulated ground strike training and consulting services. Its Electric Air Mobility segment develops a rotorcraft eVTOL for cargo applications through our Jaunt brand. The company was incorporated in 2021 and is headquartered in McLean, Virginia.

Mueller Water Products, Inc. manufactures and markets products and services for the transmission, distribution, and measurement of water used by municipalities, and the residential and non-residential construction industries in the United States, Canada, and internationally. It operates in two segments, Water Flow Solutions and Water Management Solutions. The Water Flow Solutions segment provides valves for water systems, such as iron gate, butterfly, tapping, check, knife, plug, and ball valves, which are used to control distribution and transmission of potable water and non-potable water, as well as in water transmission or distribution, water treatment facilities, or industrial applications. It also offers service brass products. The Water Management Solutions segment offers dry-barrel and wet-barrel fire hydrants for water infrastructure development; fire protection systems, and water infrastructure repair and replacement projects; pipe repair products, such as couplings, grips, and clamps used to repair leaks; residential, fire protection, and commercial water metering products and systems; water leak detection and pipe condition assessment products and services; machines and tools for tapping, drilling, extracting, installing, and stopping-off; gas valve products for use in gas distribution systems; and intelligent water solutions, including pressure control valves, advanced pressure management, network analytics, event management, and date logging. It sells its products under the Canada Valve, Centurion, Ez-Max, Hydro Gate, Hydro-Guard, HYMAX, HYMAX VERSA, Jones, Krausz, Milliken, Mueller Systems, Mueller, Pratt, Pratt Industrial, Repamax, Repaflex, Singer, Echologics, Echoshore, ePulse, Hersey, LeakFinderRT, Sentryx, and U.S. Pipe Valve and Hydrant brands. Mueller Water Products, Inc. was founded in 1857 and is headquartered in Atlanta, Georgia.

Casella Waste Systems, Inc., together with its subsidiaries, operates as a vertically integrated solid waste services company in the United States. The company offers resource management expertise and services primarily in the areas of solid waste collection and disposal, transfer, recycling and organics services to residential, commercial, municipal, institutional, and industrial customers. It also provides non-hazardous solid waste services, including collections, transfer stations, recycling, and disposal operations. In addition, the company markets various materials, including fibers, such as corrugated cardboard and newsprint, plastics, glass, ferrous, and aluminum metals. Casella Waste Systems, Inc. was founded in 1975 and is headquartered in Rutland, Vermont.

Industrial wireless networks, autonomous drones, and mission-critical connectivity systems for rail, energy, and government infrastructure.

Space Exploration Technologies Corp. provides satellite-based broadband services in the United States, Ireland, Canada, and internationally. It operates through three operating segments: Space, Connectivity, and AI. The Space segment designs, manufactures, and launches reusable rockets to provide access to space. It also provides launch services for the deployment of payloads to intended orbits for commercial and government customers utilizing Falcon 9 and Falcon Heavy; and engages in the launch and development for the development of spacecraft and the provision of launch and mission services for government agency space programs utilizing Falcon 9, Falcon Heavy, Starship, and Dragon. Its company's Connectivity segment operates broadband data and communications network by various Starlink satellites in low-earth orbit, delivering connectivity to various consumers, enterprise, and government customers. The company's AI segment operates a vertically integrated AI platform spanning a frontier LLM Grok; AI solutions for consumer and enterprise customers; X, a real-time information, entertainment, and free speech platform; and AI computational infrastructure. Space Exploration Technologies Corp. was incorporated in 2002 and is based in Starbase, Texas.

ReposiTrak, Inc., a software-as-a-service provider, operates a business-to-business, e-commerce, compliance and traceability, and supply chain management platform in North America. It offers ReposiTrak Compliance Management, which reduces potential regulatory, legal, and criminal risks from its supply chain partners; ReposiTrak Traceability Network, which captures key data elements for designated products; and ReposiTrak Supply Chain Solutions, which enable customers to manage interactions with suppliers. The company also provides business consulting services to suppliers and retailers in the grocery, convenience, and specialty retail sectors. In addition, it provides professional consulting services. The company primarily serves multi-store retail chains, wholesalers, distributors, and their suppliers. ReposiTrak, Inc. has a strategic partnership with Upshop to enable grocery retail traceability. The company was formerly known as Park City Group, Inc. and changed its name to ReposiTrak, Inc. in December 2023. ReposiTrak, Inc. is based in Murray, Utah.

Waste management services and golf resort operations including landfill services and hospitality assets.

Global hospital real estate investment trust owning and financing healthcare facilities worldwide.

Manufacturer of office, school, and technology products including Kensington, Mead, Swingline, and PowerA brands.

Enterprise workplace technology company providing printers, document systems, managed services, and IT solutions.

Defense technology company providing drones, military communications, and tactical lighting systems.

Manufacturer of doors, windows, and building materials for residential and commercial construction markets.