Ultra Clean Holdings, Inc.

NPORT-P false 0001174610 XXXXXXXX S000073421 C000230308 ProShares Trust 811-21114 0001174610 5493005D9DS7C1P5AM59 7272 Wisconsin Avenue Bethesda 20814 240-497-6400 ProShares Nanotechnology ETF S000073421 549300E9FILCX5MUXK26 2027-05-31 2026-08-31 N 13545981.69 210291.47 13335690.22 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 46178.52000000 UST Ultra Clean Holdings, Inc. 5493007L6LS7QX18PE75 Ultra Clean Holdings, Inc. 90385V107 7191.00000000 NS USD 487765.53000000 3.657594934744 Long EC CORP US N 1 N N N Jeol Ltd. N/A Jeol Ltd. N/A 11155.00000000 NS 493962.25000000 3.704062120903 Long EC CORP JP N 1 N N N Toyo Gosei Co. Ltd. N/A Toyo Gosei Co. Ltd. N/A 1762.00000000 NS 124635.99000000 0.934604718195 Long EC CORP JP N 1 N N N Shanghai Biren Technology Co. Ltd. N/A Shanghai Biren Technology Co. Ltd., Class H N/A 100875.00000000 NS 599964.60000000 4.498939238257 Long EC CORP CN N 1 N N N Entegris, Inc. IYX6OWO7BT5DKO3BYG52 Entegris, Inc. 29362U104 3826.00000000 NS USD 517619.54000000 3.881460437823 Long EC CORP US N 1 N N N LG Chem Ltd. 988400IES4EIG7O06940 LG Chem Ltd. N/A 2262.00000000 NS 462779.48000000 3.470232679115 Long EC CORP KR N 1 N N N NVIDIA Corp. 549300S4KLFTLO7GSQ80 NVIDIA Corp. 67066G104 2867.00000000 NS USD 632976.26000000 4.746482930825 Long EC CORP US N 1 N N N Taiwan Semiconductor Manufacturing Co. Ltd. 549300KB6NK5SBD14S87 Taiwan Semiconductor Manufacturing Co. Ltd. N/A 8586.00000000 NS 650946.66000000 4.881237110800 Long EC CORP TW N 1 N N N JGC Holdings Corp. 5493003WMGG79YLARU68 JGC Holdings Corp. N/A 40396.00000000 NS 595888.41000000 4.468373216305 Long EC CORP JP N 1 N N N Axcelis Technologies, Inc. 529900HF9B6NL1QG9F05 Axcelis Technologies, Inc. 054540208 4170.00000000 NS USD 480926.10000000 3.606308275508 Long EC CORP US N 1 N N N QD Laser, Inc. 529900XXRLW5680FQ717 QD Laser, Inc. N/A 9056.00000000 NS 118365.75000000 0.887586229488 Long EC CORP JP N 1 N N NVE Corp. 5299003C1ATTWX8X0112 NVE Corp. 629445206 1049.00000000 NS USD 105025.88000000 0.787554886679 Long EC CORP US N 1 N N N Park Systems Corp. N/A Park Systems Corp. N/A 1515.00000000 NS 290579.79000000 2.178963257291 Long EC CORP KR N 1 N N N Veeco Instruments, Inc. 5493004201F72ADDZW04 Veeco Instruments, Inc. 922417100 11540.00000000 NS USD 511222.00000000 3.833487367855 Long EC CORP US N 1 N N N Japanese Yen N/A Japanese Yen N/A 27.00000000 OU Currencies 0.17000000 0.000001274774 Long STIV JP N 1 N N N ASML Holding NV 724500Y6DUVHQD6OXN27 ASML Holding NV N/A 407.00000000 NS 686339.68000000 5.146637846841 Long EC CORP NL N 1 N N N Hong Kong Dollar N/A Hong Kong Dollar N/A 4887.68000000 OU Currencies 623.55000000 0.004675798475 Long STIV HK N 1 N N N New Taiwan Dollar N/A New Taiwan Dollar N/A 7.34000000 OU Currencies 0.23000000 0.000001724695 Long STIV TW N 1 N N N Syntec Optics Holdings, Inc. N/A Syntec Optics Holdings, Inc. 87169M105 8017.00000000 NS USD 65659.23000000 0.492357192742 Long EC CORP US N 1 N N N nLight, Inc. N/A nLight, Inc. 65487K100 7876.00000000 NS USD 332918.52000000 2.496447611693 Long EC CORP US N 1 N N N Bruker Corp. LEBZ6VLQ6I8XB1NHVY15 Bruker Corp. 116794108 16332.00000000 NS USD 947419.32000000 7.104389082007 Long EC CORP US N 1 N N N Nikon Corp. 549300X7LIS9RFELXJ98 Nikon Corp. 654111103 56787.00000000 NS 685887.43000000 5.143246571304 Long EC CORP JP N 1 N N Qnity Electronics, Inc. 254900RSUG4J9TFFZX53 Qnity Electronics, Inc. 74743L100 4132.00000000 NS USD 493484.76000000 3.700481578822 Long EC CORP US N 1 N N N Singapore Dollar N/A Singapore Dollar N/A 227.68000000 OU Currencies 179.12000000 0.001343162573 Long STIV SG N 1 N N N INVESCO GOVT AND AGCY LEX O37NHJVF7S22I1ONOU83 INVESCO GOVERNMENT & AGENCY PORTFOLIO OPEN-END FUND USD 825252885 203200.00000000 NS USD 203200.00000000 1.523730655465 Long STIV RF US N 1 N N Wonik QnC Corp. N/A Wonik QnC Corp. N/A 5689.00000000 NS 109116.07000000 0.818225890073 Long EC CORP KR N 1 N N N Lam Research Corp. 549300I4GMO6D34U1T02 Lam Research Corp. 512807306 2230.00000000 NS USD 672322.70000000 5.041529076550 Long EC CORP US N 1 N N N Applied Materials, Inc. 41BNNE1AFPNAZELZ6K07 Applied Materials, Inc. 038222105 1432.00000000 NS USD 656414.48000000 4.922238513125 Long EC CORP US N 1 N N N Eikon Therapeutics, Inc. N/A Eikon Therapeutics, Inc. 282564103 11732.00000000 NS USD 122716.72000000 0.920212737215 Long EC CORP US N 1 N N N Duksan Hi-Metal Co. Ltd. 988400NARTEJQTSV1B26 Duksan Hi-Metal Co. Ltd. N/A 9835.00000000 NS 74736.23000000 0.560422661047 Long EC CORP KR N 1 N N N Onto Innovation, Inc. 254900RXZVN73CHOO062 Onto Innovation, Inc. 683344105 1938.00000000 NS USD 517852.98000000 3.883210928395 Long EC CORP US N 1 N N N Jeio Co. Ltd. N/A Jeio Co. Ltd. N/A 6443.00000000 NS 22432.34000000 0.168212815609 Long EC CORP KR N 1 N N N Nanobiotix SA 969500667RSYIH8YL895 Nanobiotix SA N/A 10477.00000000 NS 422283.71000000 3.166568081843 Long EC CORP FR N 1 N N N SCREEN Holdings Co. Ltd. 353800ND89FTQ9XQ0R07 SCREEN Holdings Co. Ltd. N/A 8963.00000000 NS 763047.26000000 5.721843019835 Long EC CORP JP N 1 N N N EURO N/A EURO N/A 1495.03000000 OU Currencies 1736.55000000 0.013021823177 Long STIV XX N 1 N N N British Pound N/A British Pound N/A 88.31000000 OU Currencies 119.66000000 0.000897291388 Long STIV GB N 1 N N N Cabot Corp. K05C0SER542GQ6VLRO68 Cabot Corp. 127055101 7767.00000000 NS USD 642408.57000000 4.817212753161 Long EC CORP US N 1 N N N 2026-09-30 ProShares Trust Maria Clem Sell Maria Clem Sell Treasurer XXXX