0001752724-25-125599.txt : 20250528 0001752724-25-125599.hdr.sgml : 20250528 20250528141318 ACCESSION NUMBER: 0001752724-25-125599 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20250331 FILED AS OF DATE: 20250528 DATE AS OF CHANGE: 20250528 PERIOD START: 20251231 FILER: COMPANY DATA: COMPANY CONFORMED NAME: BlackRock Science & Technology Trust CENTRAL INDEX KEY: 0001616678 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-22991 FILM NUMBER: 25994241 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: 302-797-2000 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 NPORT-P 1 primary_doc.xml NPORT-P false 0001616678 XXXXXXXX BlackRock Science & Technology Trust 811-22991 0001616678 549300LK15IHMMH5IS84 100 BELLEVUE PARKWAY WILMINGTON 19809 800-441-7762 BlackRock Science & Technology Trust 549300LK15IHMMH5IS84 2025-12-31 2025-03-31 N 1217326143.76 24712344.40 1192613799.36 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 8700991.26000000 N MSCI ACWI IT Call Overwrite Index N/A UNQORK INC N/A UNQORK INC 000000000 47600.00000000 NS USD 343196.00000000 0.028776792636 Long EC CORP US Y 3 N N N SNYK LIMITED N/A SNYK LIMITED 000000000 337018.00000000 NS USD 2187246.82000000 0.183399422442 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 BROADCOM INC 000000000 -98.00000000 NC USD -196.00000000 -0.00001643449 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Broadcom, Inc. 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Amazon.com, Inc. 100.00000000 215.00000000 USD 2025-05-16 XXXX 36655.30000000 N N N Alibaba Group Holding Ltd 5493001NTNQJDH60PM02 Alibaba Group Holding Ltd 01609W102 44736.00000000 NS USD 5915441.28000000 0.496006442586 Long EC CORP KY N 1 N N N CONSTELLATION SOFTWARE INC 549300B6PYHMCTDWQV29 CONSTELLATION SOFTWARE INC 000000000 3923.00000000 NS 0.03000000 0.000000002515 N/A DE CA N 3 N/A N/A Call Purchased Constellation Software, Inc. Constellation Software, Inc. 1.00000000 1.00000000 CAD 2040-03-31 XXXX 0.03000000 N N N GRUBMARKET INC N/A GRUBMARKET INC 000000000 709724.00000000 NS USD 12398878.28000000 1.039639008592 Long EP CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 BROADCOM INC 000000000 -115.00000000 NC USD -2242.50000000 -0.00018803237 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Broadcom, Inc. 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Ltd. 100.00000000 190.00000000 USD 2025-05-16 XXXX 97736.87000000 N N N RELX PLC 549300WSX3VBUFFJOO66 RELX PLC 000000000 298055.00000000 NS 14971487.41000000 1.255350845180 Long EC CORP GB N 2 N N N BlackRock Funds III 5493008LW2651I1QB503 BlackRock Cash Funds: Institutional, SL Agency Shares 066922519 6994952.52000000 NS USD 6998450.00000000 0.586816117988 Long STIV RF US N 1 N N SNORKEL AI INC N/A SNORKEL AI INC 000000000 332896.00000000 NS USD 2982748.16000000 0.250101764846 Long EC CORP US Y 3 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 Microsoft Corp 594918104 259819.00000000 NS USD 97533454.41000000 8.178125597937 Long EC CORP US N 1 N N N Vertiv Holdings Co 549300KTTIRAOGXCRV69 Vertiv Holdings Co 92537N108 81837.00000000 NS USD 5908631.40000000 0.495435437957 Long EC CORP US N 1 N N N DEEP INSTINCT LTD N/A DEEP INSTINCT LTD 000000000 493493.00000000 NS USD 39479.44000000 0.003310328961 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 NVIDIA CORP 000000000 -600.00000000 NC USD -55200.00000000 -0.00462848912 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written NVIDIA Corp. 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NVIDIA Corp. 100.00000000 122.00000000 USD 2025-05-09 XXXX 24599.68000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 ALIBABA GROUP HOLDING LTD 000000000 -90.00000000 NC USD -14355.00000000 -0.00120365872 N/A DE KY N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Alibaba Group Holding Ltd. Alibaba Group Holding Ltd. 100.00000000 147.00000000 USD 2025-04-25 XXXX 11641.24000000 N N N CyberArk Software Ltd 529900YEXNDM894PWS93 CyberArk Software Ltd 000000000 28927.00000000 NS USD 9777326.00000000 0.819823316252 Long EC CORP IL N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 ORACLE CORP 000000000 -27.00000000 NC USD -1714.50000000 -0.00014375986 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Oracle Corp. 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Ltd. 100.00000000 210.00000000 USD 2025-04-04 XXXX 10293.48000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 BROADCOM INC 000000000 -115.00000000 NC USD -5865.00000000 -0.00049177696 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Broadcom, Inc. Broadcom, Inc. 100.00000000 210.00000000 USD 2025-05-02 XXXX 60529.19000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 MICROSOFT CORP 000000000 -177.00000000 NC USD -2301.00000000 -0.00019293756 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Microsoft Corp. Microsoft Corp. 100.00000000 430.00000000 USD 2025-04-17 XXXX 107550.06000000 N N N MongoDB Inc 549300TPTG69WKWE1Z37 MongoDB Inc 60937P106 44686.00000000 NS USD 7837924.40000000 0.657205576877 Long EC CORP US N 1 N N N AUTOMATTIC INC N/A AUTOMATTIC INC 000000000 94117.00000000 NS USD 2920450.51000000 0.244878141739 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 APPLE INC 000000000 -285.00000000 NC USD -1710.00000000 -0.00014338254 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Apple, Inc. Apple, Inc. 100.00000000 255.00000000 USD 2025-04-17 XXXX 123737.13000000 N N N UBS AG BFM8T61CT2L1QCEMIK50 APR25 6501 JP C @ 3718.7007 000000000 -86700.00000000 NC -35981.34000000 -0.00301701523 N/A DE US N 2 UBS AG BFM8T61CT2L1QCEMIK50 Call Written Hitachi Ltd. Hitachi Ltd. 1.00000000 3718.70070000 JPY 2025-04-25 XXXX 53590.34000000 N N N Guidewire Software Inc 549300WXSG0J8IXZCK32 Guidewire Software Inc 40171V100 50446.00000000 NS USD 9451562.56000000 0.792508234021 Long EC CORP US N 1 N N N DATABRICKS INC N/A DATABRICKS INC 000000000 59997.00000000 NS USD 5549722.50000000 0.465341127444 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 PALO ALTO NETWORKS INC 000000000 -46.00000000 NC USD -1196.00000000 -0.00010028393 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Palo Alto Networks, Inc. Palo Alto Networks, Inc. 100.00000000 200.00000000 USD 2025-04-11 XXXX 22622.29000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 NVIDIA CORP 000000000 -417.00000000 NC USD -31066.50000000 -0.00260490864 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written NVIDIA Corp. NVIDIA Corp. 100.00000000 125.00000000 USD 2025-04-25 XXXX 142205.45000000 N N N GRAMMARLY INC N/A GRAMMARLY INC 000000000 715323.00000000 NS USD 9363578.07000000 0.785130783747 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 S+P GLOBAL INC 000000000 -24.00000000 NC USD -42720.00000000 -0.00358204810 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written S&P Global, Inc. S&P Global, Inc. 100.00000000 500.00000000 USD 2025-04-25 XXXX -13580.19000000 N N N CELESTIAL AI SERIES C 1 N/A CELESTIAL AI SERIES C 1 000000000 559391.00000000 NS USD 9185200.22000000 0.770173900799 Long STIV CORP US N 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 CROWDSTRIKE HOLDINGS INC 000000000 -30.00000000 NC USD -14625.00000000 -0.00122629806 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Crowdstrike Holdings, Inc. Crowdstrike Holdings, Inc. 100.00000000 400.00000000 USD 2025-05-02 XXXX 15716.81000000 N N N DATA ROBOT INC N/A DATA ROBOT INC 000000000 228276.00000000 NS USD 883428.12000000 0.074074953725 Long EC CORP US Y 3 N N N THINK & LEARN PVT LTD 2549006XBBGEQL8H6M81 THINK & LEARN PVT LTD 000000000 1054.00000000 NS 0.00000000 0.000000 Long EP CORP IN Y 3 N N N Cadence Design Systems Inc GCT7RXJOGLXPV0NXZY22 Cadence Design Systems Inc 127387108 104915.00000000 NS USD 26683031.95000000 2.237357304126 Long EC CORP US N 1 N N N TRAX LTD N/A TRAX LTD 000000000 106667.00000000 NS USD 2035206.36000000 0.170650914914 Long EP CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 APPLOVIN CORP 000000000 -32.00000000 NC USD -11040.00000000 -0.00092569782 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written AppLovin Corp. AppLovin Corp. 100.00000000 355.00000000 USD 2025-05-02 XXXX 36558.46000000 N N N Mastercard Inc AR5L2ODV9HN37376R084 Mastercard Inc 57636Q104 36006.00000000 NS USD 19735608.72000000 1.654819752261 Long EC CORP US N 1 N N N Broadcom Inc 549300WV6GIDOZJTV909 Broadcom Inc 11135F101 357391.00000000 NS USD 59837975.13000000 5.017380744890 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 SERVICENOW INC 000000000 -12.00000000 NC USD -14100.00000000 -0.00118227711 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written ServiceNow, Inc. ServiceNow, Inc. 100.00000000 905.00000000 USD 2025-05-02 XXXX 20599.29000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 TAKE-TWO INTERACTIVE SOFTWARE 000000000 -107.00000000 NC USD -45475.00000000 -0.00381305331 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Take-Two Interactive Software, Inc. Take-Two Interactive Software, Inc. 100.00000000 210.00000000 USD 2025-04-17 XXXX 11135.27000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 NVIDIA CORP 000000000 -212.00000000 NC USD -2544.00000000 -0.00021331297 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written NVIDIA Corp. NVIDIA Corp. 100.00000000 138.00000000 USD 2025-04-11 XXXX 97017.73000000 N N N Tesla Inc 54930043XZGB27CTOV49 Tesla Inc 88160R101 14382.00000000 NS USD 3727239.12000000 0.312526915418 Long EC CORP US N 1 N N N PATREON INC N/A PATREON INC 000000000 119047.00000000 NS USD 2727366.77000000 0.228688178139 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 CADENCE DESIGN SYSTEMS INC 000000000 -100.00000000 NC USD -60000.00000000 -0.00503096643 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Cadence Design Systems, Inc. Cadence Design Systems, Inc. 100.00000000 275.00000000 USD 2025-05-16 XXXX 21079.92000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 VERTIV HOLDINGS CO 000000000 -4.00000000 NC USD -86.00000000 -0.00000721105 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Vertiv Holdings Co. Vertiv Holdings Co. 100.00000000 95.00000000 USD 2025-04-17 XXXX 1718.63000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 APPLOVIN CORP 000000000 -32.00000000 NC USD -25280.00000000 -0.00211971385 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written AppLovin Corp. AppLovin Corp. 100.00000000 380.00000000 USD 2025-05-16 XXXX 37598.80000000 N N N Intel Corp KNX4USFCNGPY45LOCE31 Intel Corp 458140100 223978.00000000 NS USD 5086540.38000000 0.426503565758 Long EC CORP US N 1 N N N VOLTRON DATA INC N/A VOLTRON DATA INC 000000000 9090909.00000000 NS USD 1999999.98000000 0.167698879643 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 ATLASSIAN CORP 000000000 -35.00000000 NC USD -1750.00000000 -0.00014673652 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Atlassian Corp. Atlassian Corp. 100.00000000 295.00000000 USD 2025-04-11 XXXX 27653.84000000 N N N CELESTIAL AI SERIES B PFFD N/A CELESTIAL AI SERIES B PFFD 000000000 139646.00000000 NS USD 2292987.32000000 0.192265704222 Long EP CORP US N 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 BROADCOM INC 000000000 -111.00000000 NC USD -21090.00000000 -0.00176838470 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Broadcom, Inc. Broadcom, Inc. 100.00000000 200.00000000 USD 2025-05-16 XXXX 25511.57000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 CREDO TECHNOLOGY GROUP HOLDING 000000000 -255.00000000 NC USD -17212.50000000 -0.00144325849 N/A DE KY N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Credo Technology Group Holding Ltd. Credo Technology Group Holding Ltd. 100.00000000 60.00000000 USD 2025-05-16 XXXX 49611.35000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 APPLE INC 000000000 -285.00000000 NC USD -285.00000000 -0.00002389709 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Apple, Inc. Apple, Inc. 100.00000000 255.00000000 USD 2025-04-04 XXXX 95174.96000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 ORACLE CORP 000000000 -80.00000000 NC USD -160.00000000 -0.00001341591 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Oracle Corp. Oracle Corp. 100.00000000 175.00000000 USD 2025-04-04 XXXX 45414.48000000 N N N CELESTIAL AI SERIES A PFFD N/A CELESTIAL AI SERIES A PFFD 000000000 185582.00000000 NS USD 3047256.44000000 0.255510748042 Long EP CORP US N 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 INTEL CORP 000000000 -183.00000000 NC USD -16012.50000000 -0.00134263916 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Intel Corp. Intel Corp. 100.00000000 23.00000000 USD 2025-04-11 XXXX -2878.38000000 N N N Arista Networks Inc 635400H1WKBLOQERUU95 Arista Networks Inc 040413205 76490.00000000 NS USD 5926445.20000000 0.496929115123 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 SPOTIFY TECHNOLOGY SA 000000000 -102.00000000 NC USD -288660.00000000 -0.02420397954 N/A DE LU N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Spotify Technology SA Spotify Technology SA 100.00000000 585.00000000 USD 2025-05-02 XXXX 204263.39000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 META PLATFORMS INC 000000000 -44.00000000 NC USD -726.00000000 -0.00006087469 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Meta Platforms, Inc. Meta Platforms, Inc. 100.00000000 720.00000000 USD 2025-04-17 XXXX 157646.37000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 MICRON TECHNOLOGY INC 000000000 -314.00000000 NC USD -785.00000000 -0.00006582181 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Micron Technology, Inc. Micron Technology, Inc. 100.00000000 107.00000000 USD 2025-04-04 XXXX 86089.63000000 N N N DATA ROBOT INC N/A DATA ROBOT INC 000000000 38789.00000000 NS USD 50037.81000000 0.004195642380 Long EC CORP US Y 3 N N N ServiceNow Inc 549300HJTQM36M0E1G39 ServiceNow Inc 81762P102 24477.00000000 NS USD 19487118.78000000 1.633984009782 Long EC CORP US N 1 N N N VOLTRON CONVERTIBLE NOTE N/A VOLTRON CONVERTIBLE NOTE 000000000 1662535.00000000 NS USD 1895289.90000000 0.158918998003 Long STIV CORP US N 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 CROWDSTRIKE HOLDINGS INC 000000000 -30.00000000 NC USD -10275.00000000 -0.00086155300 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Crowdstrike Holdings, Inc. Crowdstrike Holdings, Inc. 100.00000000 390.00000000 USD 2025-04-17 XXXX 18562.85000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 ORACLE CORP 000000000 -253.00000000 NC USD -6578.00000000 -0.00055156162 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Oracle Corp. Oracle Corp. 100.00000000 165.00000000 USD 2025-04-25 XXXX 66033.47000000 N N N UNQORK INC N/A UNQORK INC 000000000 281080.00000000 NS USD 1596534.40000000 0.133868516434 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 NVIDIA CORP 000000000 -402.00000000 NC USD -50049.00000000 -0.00419658065 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written NVIDIA Corp. NVIDIA Corp. 100.00000000 130.00000000 USD 2025-05-16 XXXX 146658.29000000 N N N Credo Technology Group Holding Ltd N/A Credo Technology Group Holding Ltd 000000000 275895.00000000 NS USD 11079943.20000000 0.929047039867 Long EC CORP KY N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 AMAZON.COM INC 000000000 -249.00000000 NC USD -41832.00000000 -0.00350758980 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Amazon.com, Inc. Amazon.com, Inc. 100.00000000 205.00000000 USD 2025-04-25 XXXX 79475.61000000 N N N Snowflake Inc 254900CJNSY1K7T53Z16 Snowflake Inc 833445109 116069.00000000 NS USD 16964645.04000000 1.422475997603 Long EC CORP US N 1 N N N Meta Platforms Inc BQ4BKCS1HXDV9HN80Z93 Meta Platforms Inc 30303M102 73311.00000000 NS USD 42253527.96000000 3.542934685367 Long EC CORP US N 1 N N N Oracle Corp 1Z4GXXU7ZHVWFCD8TV52 Oracle Corp 68389X105 180471.00000000 NS USD 25231650.51000000 2.115659782197 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 SNOWFLAKE INC 000000000 -28.00000000 NC USD -56.00000000 -0.00000469556 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Snowflake, Inc. Snowflake, Inc. 100.00000000 210.00000000 USD 2025-04-04 XXXX 17017.37000000 N N N Snorkel AI Inc N/A Snorkel AI Inc 000000000 66422.00000000 NS USD 595141.12000000 0.049902250025 Long EC CORP US Y 3 N N N Autodesk Inc FRKKVKAIQEF3FCSTPG55 Autodesk Inc 052769106 30312.00000000 NS USD 7935681.60000000 0.665402463417 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 CREDO TECHNOLOGY GROUP HOLDING 000000000 -310.00000000 NC USD -3100.00000000 -0.00025993326 N/A DE KY N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Credo Technology Group Holding Ltd. Credo Technology Group Holding Ltd. 100.00000000 90.00000000 USD 2025-04-17 XXXX 163605.05000000 N N N Crowdstrike Holdings Inc 549300YBY08K9KM4HX32 Crowdstrike Holdings Inc 22788C105 30021.00000000 NS USD 10584804.18000000 0.887529909990 Long EC CORP US N 1 N N N Bytedance Ltd 54930057HU24VGK3CO92 Bytedance Ltd 000000000 24110.00000000 NS USD 5215475.20000000 0.437314678297 Long EP CORP US Y 3 N N N PSIQUANTAM SERIES E PREFERRED N/A PSIQUANTAM SERIES E PREFERRED 000000000 121615.00000000 NS USD 5000808.80000000 0.419315020728 Long EP CORP US N 3 N N N SoftBank Group Corp 5493003BZYYYCDIO0R13 SoftBank Group Corp 000000000 105700.00000000 NS 5406544.19000000 0.453335706236 Long EC CORP JP N 2 N N N Palo Alto Networks Inc 549300QXR2YVZV231H43 Palo Alto Networks Inc 697435105 46091.00000000 NS USD 7864968.24000000 0.659473187734 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 COHERENT CORP 000000000 -166.00000000 NC USD -57270.00000000 -0.00480205746 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Coherent Corp. Coherent Corp. 100.00000000 75.00000000 USD 2025-05-16 XXXX 2948.44000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 AUTODESK INC 000000000 -30.00000000 NC USD -21900.00000000 -0.00183630275 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Autodesk, Inc. Autodesk, Inc. 100.00000000 265.00000000 USD 2025-04-25 XXXX -6329.78000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 SERVICENOW INC 000000000 -36.00000000 NC USD -53280.00000000 -0.00446749819 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written ServiceNow, Inc. ServiceNow, Inc. 100.00000000 910.00000000 USD 2025-05-16 XXXX 33327.38000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 LAM RESEARCH CORP 000000000 -228.00000000 NC USD -4902.00000000 -0.00041102995 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Lam Research Corp. Lam Research Corp. 100.00000000 81.00000000 USD 2025-04-11 XXXX 42856.64000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 TAIWAN SEMICONDUCTOR MANUFACTU 000000000 -19.00000000 NC USD -247.00000000 -0.00002071081 N/A DE TW N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Taiwan Semiconductor Manufacturing Co. Ltd. Taiwan Semiconductor Manufacturing Co. Ltd. 100.00000000 210.00000000 USD 2025-04-17 XXXX 11841.87000000 N N N KLARNA HOLDING AB 984500CCFABF562J8533 KLARNA HOLDING AB 000000000 317160.00000000 NS 12058125.47000000 1.011067076070 Long EC CORP SE Y 3 N N N Shopify Inc 549300HGQ43STJLLP808 Shopify Inc 82509L107 90618.00000000 NS USD 8643597.93000000 0.724760851722 Long EC CORP CA N 1 N N N CELESTIAL AI COMMON STOCK N/A CELESTIAL AI COMMON STOCK 000000000 29105.00000000 NS USD 477904.10000000 0.040071991474 Long EC CORP US N 3 N N N PATREON INC N/A PATREON INC 000000000 59524.00000000 NS USD 1363694.84000000 0.114345049565 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 ATLASSIAN CORP 000000000 -52.00000000 NC USD -38740.00000000 -0.00324832733 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Atlassian Corp. Atlassian Corp. 100.00000000 240.00000000 USD 2025-05-02 XXXX 19792.49000000 N N N SOCIETE GENERALE O2RNE8IBXP4R0TD8PU41 APR25 9984 JP C @ 10195.1616 000000000 -39500.00000000 NC -38.28000000 -0.00000320975 N/A DE US N 2 SOCIETE GENERALE O2RNE8IBXP4R0TD8PU41 Call Written SoftBank Group Corp. SoftBank Group Corp. 1.00000000 10195.16160000 JPY 2025-04-08 XXXX 95811.25000000 N N N SOLUGEN INC N/A SOLUGEN INC 000000000 269284.00000000 NS USD 4168516.32000000 0.349527761815 Long EC CORP US Y 3 N N N Apple Inc HWUPKR0MPOU8FGXBT394 Apple Inc 037833100 415869.00000000 NS USD 92376980.97000000 7.745758184214 Long EC CORP US N 1 N N N CITIBANK NA E57ODZWZ7FF32TWEFA76 MAY25 REL LN C @ 39.6262 000000000 -59700.00000000 NC -39329.89000000 -0.00329778927 N/A DE US N 2 CITIBANK NA E57ODZWZ7FF32TWEFA76 Call Written RELX PLC RELX PLC 1.00000000 39.62620000 GBP 2025-05-08 XXXX 2625.66000000 N N N ANT GROUP CO LTD N/A ANT GROUP CO LTD 000000000 1703548.00000000 NS USD 3969266.84000000 0.332820804365 Long EP CORP CN N 3 N N N Taiwan Semiconductor Manufacturing Co Ltd 549300KB6NK5SBD14S87 Taiwan Semiconductor Manufacturing Co Ltd 874039100 116848.00000000 NS USD 19396768.00000000 1.626408147416 Long EC CORP TW N 1 N N N AppLovin Corp 549300LLVXMUAOL3SQ07 AppLovin Corp 03831W108 32243.00000000 NS USD 8543427.71000000 0.716361634804 Long EC CORP US N 1 N N N BlackRock Liquidity Funds 5493007YVNX55LTRQ706 BlackRock Liquidity Funds: T-Fund, Institutional Shares 09248U718 6070227.80000000 NS USD 6070227.80000000 0.508985205710 Long STIV RF US N 1 N N N MercadoLibre Inc 549300DKPDN9M5S8GB14 MercadoLibre Inc 58733R102 6902.00000000 NS USD 13464904.74000000 1.129024730992 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 META PLATFORMS INC 000000000 -102.00000000 NC USD -137955.00000000 -0.01156744958 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Meta Platforms, Inc. Meta Platforms, Inc. 100.00000000 625.00000000 USD 2025-05-02 XXXX 54273.45000000 N N N GRAMMARLY INC N/A GRAMMARLY INC 000000000 238441.00000000 NS USD 3121192.69000000 0.261710261249 Long EP CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 MICROSOFT CORP 000000000 -177.00000000 NC USD -177.00000000 -0.00001484135 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Microsoft Corp. Microsoft Corp. 100.00000000 430.00000000 USD 2025-04-04 XXXX 79715.89000000 N N N CANVA COMMON STOCK N/A CANVA COMMON STOCK 000000000 9375.00000000 NS USD 9899625.00000000 0.830078018995 Long EP CORP US N 3 N N N DISCORD INC N/A DISCORD INC 000000000 12713.00000000 NS USD 2722107.56000000 0.228247196322 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 MERCADOLIBRE INC 000000000 -7.00000000 NC USD -11585.00000000 -0.00097139577 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written MercadoLibre, Inc. MercadoLibre, Inc. 100.00000000 2150.00000000 USD 2025-04-25 XXXX 23584.50000000 N N N MORGAN STANLEY & CO. INTERNATIONAL 4PQUHN3JPFGFNF3BB653 MAY25 XRO AU C @ 161.412 000000000 -16200.00000000 NC -44280.37000000 -0.00371288425 N/A DE US N 2 MORGAN STANLEY & CO. INTERNATIONAL 4PQUHN3JPFGFNF3BB653 Call Written Xero Ltd. Xero Ltd. 1.00000000 161.41200000 AUD 2025-05-15 XXXX 15386.66000000 N N N TEYA SERVICES LTD N/A TEYA SERVICES LTD 000000000 12871.00000000 NS USD 3587405.12000000 0.300801912733 Long EC CORP KY Y 3 N N N DATABRICKS INC N/A DATABRICKS INC 000000000 279405.00000000 NS USD 25844962.50000000 2.167085649509 Long EP CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 INTEL CORP 000000000 -183.00000000 NC USD -20953.50000000 -0.00175693925 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Intel Corp. Intel Corp. 100.00000000 23.00000000 USD 2025-04-17 XXXX -5989.43000000 N N N BNP PARIBAS SA QHSFEYI7HUOXXZ413E03 APR25 ASM NA C @ 457.394 000000000 -3600.00000000 NC -37177.34000000 -0.00311729916 N/A DE US N 2 BNP PARIBAS SA QHSFEYI7HUOXXZ413E03 Call Written ASM International NV ASM International NV 1.00000000 457.39400000 EUR 2025-04-29 XXXX 53007.81000000 N N N PsiQuantum Corp N/A PsiQuantum Corp 000000000 190650.00000000 NS USD 7132216.50000000 0.598032364192 Long EC CORP US Y 3 N N N ANDURIL SERIES F 254900CIXLZUXXNYQW57 ANDURIL SERIES F 000000000 920107.00000000 NS USD 38819314.33000000 3.254977793383 Long EC CORP US N 3 N N N S&P Global Inc Y6X4K52KMJMZE7I7MY94 S&P Global Inc 78409V104 12313.00000000 NS USD 6256235.30000000 0.524581830543 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 CADENCE DESIGN SYSTEMS INC 000000000 -100.00000000 NC USD -26500.00000000 -0.00222201017 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Cadence Design Systems, Inc. Cadence Design Systems, Inc. 100.00000000 270.00000000 USD 2025-04-17 XXXX 20230.87000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 APPLE INC 000000000 -265.00000000 NC USD -231875.00000000 -0.01944258905 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Apple, Inc. Apple, Inc. 100.00000000 225.00000000 USD 2025-05-16 XXXX -79244.34000000 N N N Amazon.com Inc ZXTILKJKG63JELOEG630 Amazon.com Inc 023135106 169938.00000000 NS USD 32332403.88000000 2.711053980538 Long EC CORP US N 1 N N N WYRE INC N/A WYRE INC 000000000 80000.00000000 NS USD 0.80000000 0.000000067079 Long STIV CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 AUTODESK INC 000000000 -30.00000000 NC USD -22050.00000000 -0.00184888016 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Autodesk, Inc. Autodesk, Inc. 100.00000000 260.00000000 USD 2025-04-17 XXXX -4379.84000000 N N N RIVOS INC SERIES A3 N/A RIVOS INC SERIES A3 000000000 1027026.00000000 NS USD 2033511.48000000 0.170508800174 Long EC CORP US N 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 NVIDIA CORP 000000000 -402.00000000 NC USD -1005.00000000 -0.00008426868 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written NVIDIA Corp. NVIDIA Corp. 100.00000000 126.00000000 USD 2025-04-04 XXXX 117891.94000000 N N N SAMBANOVA SYSTEMS INC N/A SAMBANOVA SYSTEMS INC 000000000 187300.00000000 NS USD 8574594.00000000 0.718974910788 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 MONGODB INC 000000000 -90.00000000 NC USD -15390.00000000 -0.00129044289 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written MongoDB, Inc. MongoDB, Inc. 100.00000000 205.00000000 USD 2025-05-02 XXXX 49175.70000000 N N N GOLDMAN SACHS INTERNATIONAL W22LROWP2IHZNBB6K528 APR25 ASML NA C @ 767.8996 000000000 -10500.00000000 NC -916.24000000 -0.00007682621 N/A DE US N 2 GOLDMAN SACHS INTERNATIONAL W22LROWP2IHZNBB6K528 Call Written ASML Holding NV ASML Holding NV 1.00000000 767.89960000 EUR 2025-04-10 XXXX 269818.85000000 N N N JP MORGAN CHASE BANK 7H6GLXDRUGQFU57RNE97 MAY25 259960 KS C @ 355724.268 000000000 -5700.00000000 NC USD -65508.16000000 -0.00549282257 N/A DE US N 2 JP MORGAN CHASE BANK 7H6GLXDRUGQFU57RNE97 Call Written Krafton, Inc. Krafton, Inc. 1.00000000 355724.26800000 USD 2025-05-08 XXXX -25819.09000000 N N N SNYK LIMITED N/A SNYK LIMITED 000000000 361972.00000000 NS USD 2349198.28000000 0.196978961777 Long EC CORP US Y 3 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 ARISTA NETWORKS INC 000000000 -152.00000000 NC USD -3800.00000000 -0.00031862787 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Arista Networks, Inc. Arista Networks, Inc. 100.00000000 90.00000000 USD 2025-04-17 XXXX 36330.20000000 N N N 2025-04-29 BlackRock Science & Technology Trust Chuck Pulsfort Chuck Pulsfort Assistant Treasurer XXXX NPORT-EX 2 NPORT_LCXI_59608669_0325.htm EDGAR HTML
March 31, 2025
2025 Quarterly Report
(Unaudited)
BlackRock Science and Technology Trust (BST)
Not FDIC Insured • May Lose Value • No Bank Guarantee

Consolidated Schedule of Investments (unaudited)
March 31, 2025
BlackRock Science and Technology Trust (BST)
(Percentages shown are based on Net Assets)

Security
 

Shares
Value
Common Stocks
Automobiles — 0.3%
Tesla, Inc.(a)
 
14,382
$ 3,727,239
Broadline Retail — 4.3%
Alibaba Group Holding Ltd., ADR
 
44,736
5,915,441
Amazon.com, Inc.(a)
 
169,938
32,332,404
MercadoLibre, Inc.(a)
 
6,902
13,464,905
 
 
51,712,750
Capital Markets — 0.5%
S&P Global, Inc.
 
12,313
6,256,235
Communications Equipment — 0.5%
Arista Networks, Inc.(a)
 
76,490
5,926,445
Diversified Consumer Services(b)(c) — 0.8%
Grammarly, Inc., (Acquired 11/17/21, Cost:
$18,749,975)(a)
 
715,323
9,363,578
Think & Learn Private Ltd., Class J-B, (Acquired
09/30/20, Cost: $1,524,948)
 
997
 
 
9,363,578
Electrical Equipment — 0.5%
Vertiv Holdings Co., Class A
 
81,837
5,908,631
Electronic Equipment, Instruments & Components — 0.6%
Coherent Corp.(a)
 
101,950
6,620,633
Entertainment(a) — 3.6%
Krafton, Inc.
 
28,734
6,571,175
Spotify Technology SA(d)
 
46,129
25,372,334
Take-Two Interactive Software, Inc.
 
52,968
10,977,618
 
 
42,921,127
Financial Services — 2.4%
Mastercard, Inc., Class A
 
36,006
19,735,609
Plaid
 
42,651
8,699,806
 
 
28,435,415
Industrial Conglomerates — 0.8%
Hitachi Ltd.
 
433,400
10,175,973
Interactive Media & Services — 4.8%
Alphabet, Inc., Class A
 
91,940
14,217,601
Meta Platforms, Inc., Class A
 
73,311
42,253,528
Patreon, Inc., (Acquired 08/19/21, Cost:
$3,352,227)(a)(b)(c)
 
59,524
1,363,695
 
 
57,834,824
IT Services — 4.1%
Automattic, Inc., (Acquired 02/03/21, Cost:
$7,999,945)(b)(c)
 
94,117
2,920,451
Farmers Business Network, Inc.(a)(b)
 
203,366
412,833
Klarna Holdings AB, (Acquired 08/07/19, Cost:
$7,971,978)(b)(c)
 
317,160
12,058,125
MongoDB, Inc., Class A(a)
 
44,686
7,837,924
Shopify, Inc., Class A(a)
 
90,618
8,643,598
Snowflake, Inc., Class A(a)
 
116,069
16,964,645
 
 
48,837,576
Professional Services — 1.3%
RELX PLC
 
298,055
14,971,488
Semiconductors & Semiconductor Equipment — 25.1%
ARM Holdings PLC, ADR(a)(d)
 
87,354
9,328,534
ASM International NV
 
17,373
7,916,754
Security
 
Shares
Value
Semiconductors & Semiconductor Equipment (continued)
ASML Holding NV
 
16,314
$ 10,796,167
Broadcom, Inc.(e)
 
357,391
59,837,975
Celestial Asia Securities Holdings Ltd.(b)
 
588,496
9,663,104
Credo Technology Group Holding Ltd.(a)
 
275,895
11,079,943
Intel Corp.
 
223,978
5,086,540
Lam Research Corp.
 
134,107
9,749,579
Micron Technology, Inc.
 
143,320
12,453,075
NVIDIA Corp.(f)
 
1,326,166
143,729,871
Taiwan Semiconductor Manufacturing Co. Ltd., ADR
 
116,848
19,396,768
 
 
299,038,310
Software — 23.1%
AppLovin Corp., Class A(a)
 
32,243
8,543,428
Atlassian Corp. Ltd., Class A(a)
 
44,143
9,367,586
Autodesk, Inc.(a)
 
30,312
7,935,682
Cadence Design Systems, Inc.(a)
 
104,915
26,683,032
Canva, Inc.(a)(b)
 
9,375
9,899,625
Constellation Software, Inc./Canada
 
4,035
12,778,561
Crowdstrike Holdings, Inc., Class A(a)
 
30,021
10,584,804
CyberArk Software Ltd.(a)
 
28,927
9,777,326
Databricks, Inc., (Acquired 07/24/20, Cost:
$960,476)(b)(c)
 
59,997
5,549,722
DataRobot, Inc., (Acquired 03/01/21, Cost:
$583,275)(a)(b)(c)
 
38,789
50,038
Guidewire Software, Inc.(a)
 
50,446
9,451,563
Microsoft Corp.(e)
 
259,819
97,533,454
Oracle Corp.
 
180,471
25,231,651
Palo Alto Networks, Inc.(a)
 
46,091
7,864,968
ServiceNow, Inc.(a)
 
24,477
19,487,119
Snorkel AI, Inc., (Acquired 06/30/21, Cost:
$997,636)(b)(c)
 
66,422
595,141
Snyk Ltd., Ordinary Shares, (Acquired 09/02/21, Cost:
$5,192,307)(b)(c)
 
361,972
2,349,198
Teya Services Ltd., Series C, (Acquired 12/17/21, Cost:
$24,999,987)(a)(b)(c)
 
12,871
3,587,405
Xero Ltd.(a)
 
80,668
7,884,775
 
 
275,155,078
Specialty Retail — 0.0%
AceVector Limited, Series I, (Acquired 08/31/18, Cost:
$1,998,435)(a)(b)(c)
 
168,640
54,061
Technology Hardware, Storage & Peripherals — 7.7%
Apple, Inc.(e)
 
415,869
92,376,981
Wireless Telecommunication Services — 0.5%
SoftBank Group Corp.
 
105,700
5,406,544
Total Common Stocks — 80.9%
(Cost: $479,919,824)
964,722,888
 
 
Par
(000)
 
Convertible Notes
Financial Services — 0.0%
Wyre, Inc., (Acquired 12/14/21, Cost: $8,000,000),
0.00%, 12/08/24(b)(c)
$
80
1
1

Consolidated Schedule of Investments (unaudited)(continued)
March 31, 2025
BlackRock Science and Technology Trust (BST)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
IT Services — 0.1%
Voltron Capital, 0.00%(b)
$
1,663
$     1,895,290
Total Convertible Notes — 0.1%
(Cost: $9,662,535)
1,895,291
 
 

Shares
 
Preferred Securities
Preferred Stocks — 18.8%(b)
Aerospace & Defense — 3.3%
Anduril Industries, Inc.(a)
 
920,107
38,819,314
Chemicals — 0.4%
Solugen, Inc., Series C, (Acquired 09/02/21, Cost:
$9,999,977)(a)(c)
 
269,284
4,168,516
Communications Equipment — 0.6%
Astranis, Series D(a)
 
856,310
7,518,402
Consumer Staples Distribution & Retail — 1.0%
Grubmarket, Inc., Series E, (Acquired 10/18/21, Cost:
$6,999,994)(a)(c)
 
709,724
12,398,878
Diversified Consumer Services(c) — 0.3%
Grammarly, Inc., Series 3, (Acquired 11/17/21, Cost:
$6,249,992)(a)
 
238,441
3,121,193
Think & Learn Private Ltd., Series F, (Acquired 09/30/20,
Cost: $3,052,975)
 
1,054
 
 
3,121,193
Diversified Telecommunication Services — 0.2%
Discord, Inc., Series I, (Acquired 09/13/21, Cost:
$7,000,088)(a)(c)
 
12,713
2,722,107
Financial Services(c) — 1.3%
Trumid Holdings LLC
 
Class J-A, (Acquired 07/24/20, Cost: $2,499,716)
 
5,038
3,655,573
Class J-B, (Acquired 07/24/20, Cost: $1,499,830)
 
5,038
3,655,573
Class L, (Acquired 09/15/21, Cost: $9,999,694)
 
11,420
8,286,352
 
 
15,597,498
Interactive Media & Services(a)(c) — 0.7%
ByteDance Ltd., Series E-1, (Acquired 11/11/20, Cost:
$2,857,834)
 
24,110
5,215,475
Patreon, Inc., Series D, (Acquired 07/14/21, Cost:
$6,666,632)
 
119,047
2,727,367
 
 
7,942,842
IT Services(c) — 2.1%
Deep Instinct Ltd., Series D-2, (Acquired 03/19/21, Cost:
$2,999,391)(a)
 
493,493
39,480
MNTN Digital, Inc., Series D, (Acquired 11/05/21, Cost:
$24,999,980)(a)
 
1,088,598
15,577,837
TRAX Ltd.
 
(Acquired 02/18/21, Cost: $1,999,989)(a)
 
38,361
731,928
(Acquired 09/12/19, Cost: $4,000,012)
 
106,667
2,035,206
Security
 
Shares
Value
IT Services (continued)
Voltron Data, Inc.(a)
 
Series A, (Acquired 01/18/22, Cost: $10,000,000)
 
6,201,935
$ 4,093,277
Series SEED, (Acquired 07/14/21, Cost: $5,000,000)
 
9,090,909
2,000,000
 
 
24,477,728
Professional Services — 0.3%
ANT Group Co. Ltd., Series C
 
1,703,548
3,969,267
Semiconductors & Semiconductor Equipment — 4.8%
Celestial Asia Securities Holdings Ltd.
 
Series A
 
185,582
3,047,256
Series B
 
139,646
2,292,987
PsiQuantum Corp.(c)
 
Series C, (Acquired 09/09/19, Cost: $3,200,234)
 
690,003
23,273,801
Series D, (Acquired 05/21/21, Cost: $5,000,025)(a)
 
190,650
7,132,217
Rivos, Inc.(a)
 
Series A1
 
2,700,558
5,941,228
Series A2
 
2,464,862
4,880,427
Series A3
 
1,027,026
2,033,511
SambaNova Systems, Inc., Series C, (Acquired
02/20/20, Cost: $9,972,126)(c)
 
187,300
8,574,594
 
 
57,176,021
Software(c) — 3.4%
Bolt Financial, Inc., Series E, (Acquired 01/18/22, Cost:
$0)(a)
 
598,682
6
Databricks, Inc.
 
Series F, (Acquired 10/22/19, Cost: $3,999,999)
 
279,405
25,844,963
Series G, (Acquired 02/01/21, Cost: $4,500,001)
 
76,113
7,040,453
DataRobot, Inc., Series F, (Acquired 10/27/20, Cost:
$2,999,996)
 
228,276
883,428
Prosimo, Inc., Series B, (Acquired 11/04/21, Cost:
$4,999,998)(a)
 
2,515,811
25
Snorkel AI, Inc., Series C, (Acquired 06/30/21, Cost:
$4,999,985)(a)
 
332,896
2,982,748
Snyk Ltd., Series F, (Acquired 09/02/21, Cost:
$4,807,688)(a)
 
337,018
2,187,247
Unqork, Inc.
 
Series B, (Acquired 09/19/19, Cost: $3,198,417)
 
281,080
1,596,534
Series C, (Acquired 09/18/20, Cost: $1,303,260)
 
47,600
343,196
 
 
40,878,600
Technology Hardware, Storage & Peripherals — 0.4%
PsiQuantum Corp., Series E
 
121,615
5,000,809
 
223,791,175
Total Preferred Securities — 18.8%
(Cost: $213,077,105)
223,791,175
Consolidated Schedule of Investments
2

Consolidated Schedule of Investments (unaudited)(continued)
March 31, 2025
BlackRock Science and Technology Trust (BST)
(Percentages shown are based on Net Assets)
Security
 
Shares
Value
Warrants
Software — 0.0%
Constellation Software, Inc., (Issued 08/29/23, 1 Share
for 1 Warrant, Expires 03/31/40, Strike Price CAD
11.50)(a)(b)
 
3,923
$            
Total Warrants — 0.0%
(Cost: $)
Total Long-Term Investments — 99.8%
(Cost: $702,659,464)
1,190,409,354
Short-Term Securities
Money Market Funds — 1.1%
BlackRock Cash Funds: Institutional, SL Agency
Shares, 4.50%(g)(h)(i)
 
6,735,732
6,739,100
BlackRock Liquidity Funds, T-Fund, Institutional Shares,
4.22%(g)(h)
 
6,070,228
6,070,228
Total Short-Term Securities — 1.1%
(Cost: $12,809,328)
12,809,328
Total Investments Before Options Written — 100.9%
(Cost: $715,468,792)
1,203,218,682
Options Written — (0.2)%
(Premiums Received: $(6,506,600))
(2,065,787
)
Total Investments, Net of Options Written — 100.7%
(Cost: $708,962,192)
1,201,152,895
Liabilities in Excess of Other Assets — (0.7)%
(8,529,046
)
Net Assets — 100.0%
$ 1,192,623,849
(a)
Non-income producing security.
(b)
Security is valued using significant unobservable inputs and is classified as Level 3 in the
fair value hierarchy.
(c)
Restricted security as to resale, excluding 144A securities. The Trust held restricted
securities with a current value of $188,179,389, representing 15.8% of its net assets as of
period end, and an original cost of $237,139,022.
(d)
All or a portion of this security is on loan.
(e)
All or a portion of the security has been pledged and/or segregated as collateral in
connection with outstanding exchange-traded options written.
(f)
All or a portion of the security has been pledged as collateral in connection with
outstanding OTC derivatives.
(g)
Affiliate of the Trust.
(h)
Annualized 7-day yield as of period end.
(i)
All or a portion of this security was purchased with the cash collateral from loaned
securities.
For purposes of this report, industry and sector sub-classifications may differ from those utilized by the Trust for compliance purposes.
Affiliates
Investments in issuers considered to be affiliate(s) of the Trust during the period ended March 31, 2025 for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows:
Affiliated Issuer
Value at
12/31/24
Purchases
at Cost
Proceeds
from Sales
Net
Realized
Gain (Loss)
Change in
Unrealized
Appreciation
(Depreciation)
Value at
03/31/25
Shares
Held at
03/31/25
Income
Capital Gain
Distributions
from
Underlying
Funds
BlackRock Cash Funds: Institutional, SL Agency Shares
$ 565,400
$ 6,173,394
(a)
$ 
$ 306
$ 
$ 6,739,100
6,735,732
$ 2,743
(b)
$ 
BlackRock Liquidity Funds, T-Fund, Institutional Shares
1,644,863
4,425,365
(a)
6,070,228
6,070,228
119,269
 
$ 306
$ 
$ 12,809,328
$ 122,012
$ 
(a)
Represents net amount purchased (sold).
(b)
All or a portion represents securities lending income earned from the reinvestment of cash collateral from loaned securities, net of collateral investment fees, and other payments to and
from borrowers of securities.
Derivative Financial Instruments Outstanding as of Period End
Exchange-Traded Options Written
Description
Number of
Contracts
Expiration
Date
Exercise Price
Notional
Amount (000)
Value
Call 
 
 
Apple, Inc.
285
04/04/25
USD
255.00
USD
6,331
$ (285
)
ARM Holdings PLC, ADR
179
04/04/25
USD
142.00
USD
1,912
(12,888
)
Broadcom, Inc.
98
04/04/25
USD
215.00
USD
1,641
(196
)
Lam Research Corp.
40
04/04/25
USD
85.00
USD
291
(80
)
Micron Technology, Inc.
314
04/04/25
USD
107.00
USD
2,728
(785
)
3

Consolidated Schedule of Investments (unaudited)(continued)
March 31, 2025
BlackRock Science and Technology Trust (BST)
Exchange-Traded Options Written (continued)
Description
Number of
Contracts
Expiration
Date
Exercise Price
Notional
Amount (000)
Value
Call (continued)
 
 
Microsoft Corp.
177
04/04/25
USD
430.00
USD
6,644
$ (177
)
NVIDIA Corp.
402
04/04/25
USD
126.00
USD
4,357
(1,005
)
Oracle Corp.
80
04/04/25
USD
175.00
USD
1,118
(160
)
Palo Alto Networks, Inc.
46
04/04/25
USD
200.00
USD
785
(483
)
Snowflake, Inc., Class A
28
04/04/25
USD
210.00
USD
409
(56
)
Taiwan Semiconductor Manufacturing Co. Ltd., ADR
16
04/04/25
USD
210.00
USD
266
(32
)
Vertiv Holdings Co., Class A
158
04/04/25
USD
112.00
USD
1,141
(790
)
Atlassian Corp. Ltd., Class A
35
04/11/25
USD
295.00
USD
743
(1,750
)
Broadcom, Inc.
48
04/11/25
USD
210.00
USD
804
(264
)
Intel Corp.
183
04/11/25
USD
23.00
USD
416
(16,012
)
Lam Research Corp.
228
04/11/25
USD
81.00
USD
1,658
(4,902
)
NVIDIA Corp.
212
04/11/25
USD
138.00
USD
2,298
(2,544
)
Palo Alto Networks, Inc.
46
04/11/25
USD
200.00
USD
785
(1,196
)
Alphabet, Inc., Class A
155
04/17/25
USD
195.00
USD
2,397
(620
)
Apple, Inc.
285
04/17/25
USD
255.00
USD
6,331
(1,710
)
Arista Networks, Inc.
152
04/17/25
USD
90.00
USD
1,178
(3,800
)
Autodesk, Inc.
30
04/17/25
USD
260.00
USD
785
(22,050
)
Broadcom, Inc.
227
04/17/25
USD
230.00
USD
3,801
(1,249
)
Cadence Design Systems, Inc.
100
04/17/25
USD
270.00
USD
2,543
(26,500
)
Coherent Corp.
37
04/17/25
USD
100.00
USD
240
(925
)
Credo Technology Group Holding Ltd.
310
04/17/25
USD
90.00
USD
1,245
(3,100
)
Crowdstrike Holdings, Inc., Class A
30
04/17/25
USD
390.00
USD
1,058
(10,275
)
CyberArk Software Ltd.
57
04/17/25
USD
380.00
USD
1,927
(6,840
)
Guidewire Software, Inc.
127
04/17/25
USD
220.00
USD
2,379
(2,540
)
Intel Corp.
183
04/17/25
USD
23.00
USD
416
(20,953
)
MercadoLibre, Inc.
7
04/17/25
USD
2,100.00
USD
1,366
(12,250
)
Meta Platforms, Inc., Class A
44
04/17/25
USD
720.00
USD
2,536
(726
)
Microsoft Corp.
177
04/17/25
USD
430.00
USD
6,644
(2,301
)
NVIDIA Corp.
418
04/17/25
USD
125.00
USD
4,530
(19,646
)
Oracle Corp.
27
04/17/25
USD
155.00
USD
377
(1,715
)
Taiwan Semiconductor Manufacturing Co. Ltd., ADR
19
04/17/25
USD
210.00
USD
315
(247
)
Take-Two Interactive Software, Inc.
107
04/17/25
USD
210.00
USD
2,218
(45,475
)
Tesla, Inc.
93
04/17/25
USD
405.00
USD
2,410
(1,070
)
Vertiv Holdings Co., Class A
4
04/17/25
USD
95.00
USD
29
(86
)
Alibaba Group Holding Ltd., ADR
90
04/25/25
USD
147.00
USD
1,190
(14,355
)
Amazon.com, Inc.
249
04/25/25
USD
205.00
USD
4,737
(41,832
)
Autodesk, Inc.
30
04/25/25
USD
265.00
USD
785
(21,900
)
Broadcom, Inc.
115
04/25/25
USD
215.00
USD
1,925
(2,243
)
Mastercard, Inc., Class A
72
04/25/25
USD
545.00
USD
3,946
(111,060
)
MercadoLibre, Inc.
7
04/25/25
USD
2,150.00
USD
1,366
(11,585
)
NVIDIA Corp.
417
04/25/25
USD
125.00
USD
4,519
(31,066
)
Oracle Corp.
253
04/25/25
USD
165.00
USD
3,537
(6,578
)
S&P Global, Inc.
24
04/25/25
USD
500.00
USD
1,219
(42,720
)
Shopify, Inc., Class A
183
04/25/25
USD
101.00
USD
1,746
(61,305
)
Applovin Corp., Class A
32
05/02/25
USD
355.00
USD
848
(11,040
)
Atlassian Corp. Ltd., Class A
52
05/02/25
USD
240.00
USD
1,103
(38,740
)
Broadcom, Inc.
115
05/02/25
USD
210.00
USD
1,925
(5,865
)
Crowdstrike Holdings, Inc., Class A
30
05/02/25
USD
400.00
USD
1,058
(14,625
)
Meta Platforms, Inc., Class A
102
05/02/25
USD
625.00
USD
5,879
(137,955
)
Microsoft Corp.
166
05/02/25
USD
410.00
USD
6,231
(44,322
)
MongoDB, Inc., Class A
90
05/02/25
USD
205.00
USD
1,579
(15,390
)
NVIDIA Corp.
600
05/02/25
USD
127.00
USD
6,503
(55,200
)
ServiceNow, Inc.
12
05/02/25
USD
905.00
USD
955
(14,100
)
Snowflake, Inc., Class A
204
05/02/25
USD
175.00
USD
2,982
(17,646
)
Spotify Technology SA
102
05/02/25
USD
585.00
USD
5,610
(288,660
)
NVIDIA Corp.
212
05/09/25
USD
122.00
USD
2,298
(43,460
)
Amazon.com, Inc.
90
05/16/25
USD
215.00
USD
1,712
(20,205
)
Apple, Inc.
265
05/16/25
USD
225.00
USD
5,886
(231,875
)
Applovin Corp., Class A
32
05/16/25
USD
380.00
USD
848
(25,280
)
Broadcom, Inc.
111
05/16/25
USD
200.00
USD
1,858
(21,090
)
Cadence Design Systems, Inc.
100
05/16/25
USD
275.00
USD
2,543
(60,000
)
Coherent Corp.
166
05/16/25
USD
75.00
USD
1,078
(57,270
)
Consolidated Schedule of Investments
4

Consolidated Schedule of Investments (unaudited)(continued)
March 31, 2025
BlackRock Science and Technology Trust (BST)
Exchange-Traded Options Written (continued)
Description
Number of
Contracts
Expiration
Date
Exercise Price
Notional
Amount (000)
Value
Call (continued)
 
 
Credo Technology Group Holding Ltd.
255
05/16/25
USD
60.00
USD
1,024
$ (17,212
)
NVIDIA Corp.
402
05/16/25
USD
130.00
USD
4,357
(50,049
)
ServiceNow, Inc.
36
05/16/25
USD
910.00
USD
2,866
(53,280
)
Taiwan Semiconductor Manufacturing Co. Ltd., ADR
199
05/16/25
USD
190.00
USD
3,303
(46,964
)
 
 
 
$ (1,842,555
)
OTC Options Written
Description
Counterparty
Number of
Contracts
Expiration
Date
Exercise Price
Notional
Amount (000)
Value
Call 
 
 
 
 
 
SoftBank Group Corp.
Société Générale
39,500
04/08/25
JPY
10,195.16
JPY
303,043
$ (38
)
ASML Holding NV
Goldman Sachs International
10,500
04/10/25
EUR
767.90
EUR
(916
)
Hitachi Ltd.
UBS AG
86,700
04/25/25
JPY
3,718.70
JPY
305,329
(35,981
)
ASM International NV
BNP Paribas SA
3,600
04/29/25
EUR
457.39
EUR
1,517
(37,178
)
Krafton, Inc.
JPMorgan Chase Bank N.A.
5,700
05/08/25
USD
355,724.27
KRW
(65,508
)
RELX PLC
Citibank N.A.
59,700
05/08/25
GBP
39.63
GBP
2,321
(39,330
)
Xero Ltd.
Morgan Stanley & Co. International PLC
16,200
05/15/25
AUD
161.41
AUD
2,534
(44,281
)
 
 
 
 
 
 
$ (223,232
)
Fair Value Hierarchy as of Period End
Various inputs are used in determining the fair value of financial instruments at the measurement date. These inputs to valuation techniques are categorized into a fair value hierarchy consisting of three broad levels for financial reporting purposes as follows: 
Level 1 – Unadjusted price quotations in active markets/exchanges that the Trust has the ability to access for identical assets or liabilities;
Level 2 – Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly; and
Level 3 – Inputs that are unobservable and significant to the  entire fair value measurement for the asset or liability (including the Valuation Committee’s assumptions used in determining the fair value of financial instruments).
The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). Accordingly, the degree of judgment exercised in determining fair value is greatest for instruments categorized in Level 3. The inputs used to measure fair value may fall into different levels of the fair value hierarchy.  In such cases, for disclosure purposes, the fair value hierarchy classification is determined based on the lowest level input that is significant to the fair value measurement in its entirety. Investments classified within Level 3 have significant unobservable inputs used by the Valuation Committee in determining the price for Fair Valued Investments. Level 3 investments include equity or debt issued by privately held companies or funds that may not have a secondary market and/or may have a limited number of investors. The categorization of a value determined for financial instruments is based on the pricing transparency of the financial instruments and is not necessarily an indication of the risks associated with investing in those securities. For information about the Trust’s policy regarding valuation of financial instruments, refer to its most recent financial statements.
The following table summarizes the Trust’s financial instruments categorized in the fair value hierarchy.  The breakdown of the Trusts financial instruments into major categories is disclosed in the Consolidated Schedule of Investments above.
 
Level 1
Level 2
Level 3
Total
Assets
Investments
Long-Term Investments
Common Stocks
Automobiles
$ 3,727,239
$ 
$ 
$ 3,727,239
Broadline Retail
51,712,750
51,712,750
Capital Markets
6,256,235
6,256,235
Communications Equipment
5,926,445
5,926,445
Diversified Consumer Services
9,363,578
9,363,578
Electrical Equipment
5,908,631
5,908,631
Electronic Equipment, Instruments & Components
6,620,633
6,620,633
Entertainment
36,349,952
6,571,175
42,921,127
Financial Services
19,735,609
8,699,806
28,435,415
5

Consolidated Schedule of Investments (unaudited)(continued)
March 31, 2025
BlackRock Science and Technology Trust (BST)
Fair Value Hierarchy as of Period End (continued)
 
Level 1
Level 2
Level 3
Total
Common Stocks (continued)
Industrial Conglomerates
$ 
$ 10,175,973
$ 
$ 10,175,973
Interactive Media & Services
56,471,129
1,363,695
57,834,824
IT Services
33,446,167
15,391,409
48,837,576
Professional Services
14,971,488
14,971,488
Semiconductors & Semiconductor Equipment
270,662,285
18,712,921
9,663,104
299,038,310
Software
245,239,174
7,884,775
22,031,129
275,155,078
Specialty Retail
54,061
54,061
Technology Hardware, Storage & Peripherals
92,376,981
92,376,981
Wireless Telecommunication Services
5,406,544
5,406,544
Convertible Notes
1,895,291
1,895,291
Preferred Securities
Preferred Stocks
223,791,175
223,791,175
Warrants
Short-Term Securities
Money Market Funds
12,809,328
12,809,328
 
$847,242,558
$72,422,682
$283,553,442
$1,203,218,682
Derivative Financial Instruments(a)
Liabilities
Equity Contracts
$ (1,842,555
)
$ (223,232
)
$ 
$ (2,065,787
)
(a)
Derivative financial instruments are options written. Options written are shown at value.
A reconciliation of Level 3 financial instruments is presented when the Trust had a significant amount of Level 3 investments and derivative financial instruments at the beginning and/or end of the period in relation to net assets. The following table is a reconciliation of Level 3 investments for which significant unobservable inputs were used in determining fair value:
 
Common
Stocks
Convertible
Notes
Preferred
Stocks
Warrants
Total
Assets
Opening balance, as of December 31, 2024
$ 55,665,715
$ 1,695,787
$ 220,068,321
$ 
(a)
$ 277,429,823
Transfers into Level 3
Transfers out of Level 3
Accrued discounts/premiums
Net realized gain (loss)
Net change in unrealized appreciation (depreciation)(b)
(7,980,245
)
(7,800,495
)
23,902,765
8,122,025
Purchases
10,181,506
7,999,999
9,820,044
28,001,549
Sales
(29,999,955
)
(29,999,955
)
Closing balance, as of March 31, 2025
$ 57,866,976
$ 1,895,291
$ 223,791,175
$ 
(a)
$ 283,553,442
Net change in unrealized appreciation (depreciation) on investments still held at March 31, 2025(b)
$ (7,980,245
)
$ (7,800,495
)
$ 23,902,765
$ 
(a)
$ 8,122,025
(a)
Rounds to less than $1.
(b)
Any difference between net change in unrealized appreciation (depreciation) and net change in unrealized appreciation (depreciation) on investments still held at March 31, 2025 is
generally due to investments no longer held or categorized as Level 3 at period end.
The following table summarizes the valuation approaches used and unobservable inputs utilized by the Valuation Committee to determine the value of certain of the Trust’s Level 3 financial instruments as of period end. The table does not include Level 3 financial instruments with values based upon unadjusted third-party pricing information in the amount of $31.
 
Value
Valuation
Approach
Unobservable
Inputs
Range of
Unobservable
Inputs
Utilized(a)
Weighted
Average of
Unobservable
Inputs Based
on Fair Value
Assets
 
 
 
 
Common Stocks
$57,866,976
Market
Revenue Multiple
1.80x - 22.80x
11.56x
 
 
Volatility
70%
 
 
Time to Exit
3.0 years
 
 
Gross Profit Multiple
7.75x
 
 
 
 
 
Preferred Stocks
223,791,144
Market
Revenue Multiple
1.50x - 22.80x
13.78x
 
 
Volatility
70% - 90%
74%
Consolidated Schedule of Investments
6

Consolidated Schedule of Investments (unaudited)(continued)
March 31, 2025
BlackRock Science and Technology Trust (BST)
 
Value
Valuation
Approach
Unobservable
Inputs
Range of
Unobservable
Inputs
Utilized(a)
Weighted
Average of
Unobservable
Inputs Based
on Fair Value
 
 
Time to Exit
0.3 - 5.0 years
3.5 years
 
 
Market Adjustment Multiple
1.00x-1.05x
1.01x
 
 
Terminal Growth Rate
5%
 
 
Gross Profit Multiple
7.50x
 
 
 
 
 
Convertible Notes
$1,895,291
Market
Revenue Multiple
11.50x
 
 
Volatility
75%
 
 
Time to Exit
0.3 years
 
 
 
 
 
 
 
 
 
 
 
$283,553,411
 
 
 
 
(a)
A significant change in unobservable input could result in a correlated or inverse change in value.
Currency Abbreviation 
AUD
Australian Dollar
EUR
Euro
GBP
British Pound
JPY
Japanese Yen
KRW
South Korean Won
USD
United States Dollar
Portfolio Abbreviation 
ADR
American Depositary Receipt
S&P
Standard & Poors
7