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THE ISHARES BARCLAYS AGENCY BOND FUND seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the agency sector of the U.S. government bond market as defined by the Barclays Capital U.S. Agency Index.

Amtech Systems, Inc. manufactures and sells capital equipment and related consumables for use in fabricating silicon carbide (SiC), silicon power devices, analog and discrete devices, electronic assemblies, and light-emitting diodes (LEDs) worldwide. The company operates through Semiconductor and Material and Substrate segments. The Semiconductor segment designs, manufactures, sells, and services thermal processing equipment, including solder reflow ovens, horizontal diffusion furnaces, and custom high-temp belt furnaces for use by semiconductor, electronics, and electro/mechanical assembly manufacturers; and diffusion and reflow thermal systems, as well as wafer cleaning equipment and related services. The Material and Substrate segment manufactures and sells consumables and machinery for lapping and polishing of materials, such as silicon wafers for semiconductor products; sapphire substrates for LED lighting and mobile devices; silicon carbide wafers for LED and power device applications; various glass and silica components for 3D image transmission; quartz and ceramic components for telecommunications devices; and medical device components, and optical and photonics applications. It also offers substrate products comprising of double-sided wafer cleaning system, entegrity head tester, substrate carrier, substrate polishing templates, double-sided lapping and polishing machines, single-sided polisher, and substrate process chemicals. The company sells its products through sales personnel, as well as a network of independent sales representatives and distributors. Amtech Systems, Inc. was incorporated in 1981 and is headquartered in Tempe, Arizona.

Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells energy efficiency technology solutions in the Americas, the Middle East, Africa, Asia, and Europe. The company operates through Water and Emerging Technologies segments. The company offers high and low pressure, and ultra pressure exchangers; AT and LPT hydraulic turbochargers; and high-pressure feed and circulation booster pumps for use in seawater and brackish desalination, and wastewater treatment. It also provides PX G1300, which reduces energy consumption and operating costs of carbon dioxide-based refrigeration systems; and spare parts, as well as repair, field, and commissioning services. It sells its products under the ERI, PX, Pressure Exchanger, PX Pressure Exchanger, Ultra PX, PX G, PX G1300, PX PowerTrain, AT, and Aquabold brands to original equipment manufacturers, supermarket chains, cold storage facilities, refrigeration system installers, and other industrial users; aftermarket customers consisting of desalination plant owners and operators; and project developers, end-users, and industry consultants, as well as engineering, procurement, and construction firms. Energy Recovery, Inc. was incorporated in 1992 and is headquartered in San Leandro, California.

Veeco Instruments Inc., together with its subsidiaries, develops, manufactures, sells, and supports semiconductor and thin film process equipment primarily to make electronic devices in the United States, Europe, the Middle East, and Africa, China, Rest of the Asia-Pacific, and internationally. The company offers laser annealing, ion beam deposition and etch, metal organic chemical vapor deposition, single wafer wet processing and surface preparation, molecular beam epitaxy, advanced packaging lithography, atomic layer deposition, and other deposition systems. Its process equipment systems are used in the production of a range of microelectronic components, including logic, dynamic random-access memory, photonics devices, power electronics, radio frequency filters and amplifiers, magnetic heads for hard disk drives, and other semiconductor devices. In addition, the company markets and sells its products to integrated device manufacturers and foundries; outsourced semiconductor assembly and test companies; and hard disk drive and photonics manufacturers, as well as research centers and universities. Veeco Instruments Inc. was founded in 1945 and is headquartered in Plainview, New York.

Velo3D, Inc. produces metal additive three dimensional printers in the United States and internationally. The company's printers enable the production of components for space rockets, jet engines, fuel delivery systems, and other high value metal parts, which it sells or leases to customers for use in their businesses. It also offers Flow, a proprietary software platform, which scans part designs for geometrical features; Sapphire and Sapphire XC printers; Assure, a quality control software platform that includes process metrologies; and Intelligent Fusion, an underlying manufacturing process that unifies and manages the information flow, sensor data, and the advanced printing technology for precision control of the entire print. In addition, the company provides support services. Its customers range from small- and medium-sized enterprises to Fortune 500 companies in the space, aviation, defense, automotive, energy, and industrial markets. Velo3D, Inc. was founded in 2014 and is headquartered in Fremont, California.