FundWatcher
PASTX
T. Rowe Price Science & Technology Fund, Inc.
T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC.

Portfolio moves

Net position changes between two of this fund's N-PORT snapshots. These are differences between point-in-time reports — not a trade log — and share counts can be affected by splits and other corporate actions.

Dec 31, 2025 → Mar 31, 2026

Expand a category to see the positions behind it, ranked by weight.

Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
TSMC 0 2,635,000 2,635,000 1.42% $152.39M
VERIZON COMMUNICATIONS INC 0 1,582,900 1,582,900 0.74% $79.46M
CLOUDFLARE INC-A 0 311,600 311,600 0.60% $64.30M
LATTICE SEMICONDUCTOR CORP 0 613,400 613,400 0.53% $56.90M
KEYSIGHT TECHNOLOGIES INC 0 187,100 187,100 0.49% $52.83M
KIOXIA HOLDINGS 0 369,500 369,500 0.45% $48.26M
SAMSUNG ELECTRONICS CO LTD 0 370,338 370,338 0.40% $43.32M
DELL TECHNOLOGIES INC CL C 0 223,700 223,700 0.34% $36.72M
VIAVI SOLUTIONS INC 0 1,079,700 1,079,700 0.33% $35.93M
QNITY ELECTRONICS INC 0 282,400 282,400 0.30% $32.58M
FASTLY INC CL A 0 1,116,200 1,116,200 0.30% $32.44M
ASM INTL NV 0 38,007 38,007 0.27% $28.81M
ANTHROPIC PBC SER G-1 CVT PFD PP 0 104,708 104,708 0.25% $27.13M
TELEDYNE TECHNOLOGIES INC 0 43,760 43,760 0.25% $26.48M
AKAMAI TECHNOLOGIES INC 0 221,600 221,600 0.24% $25.45M
MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC 0 111,200 111,200 0.23% $24.69M
VICOR CORPORATION 0 127,100 127,100 0.19% $20.46M
AXT INC 0 313,900 313,900 0.17% $17.89M
ARGAN INC 0 29,300 29,300 0.15% $15.96M
CHROMA ATE 0 316,000 316,000 0.14% $15.16M
DELTA ELEC 0 248,000 248,000 0.10% $11.18M
VERTIV HOLDINGS CO 0 43,900 43,900 0.10% $11.00M
DATADOG INC CL A 0 93,100 93,100 0.10% $10.99M
COREWEAVE INC 0 141,700 141,700 0.10% $10.98M
OpenAI Group PBC SER C CVT PFD PP 0 14,542 14,542 0.09% $10.00M
APPLIED DIGITAL CORP 0 312,500 312,500 0.07% $7.42M
LITTELFUSE INC 0 17,280 17,280 0.05% $5.86M
HEWLETT PACKARD ENTERPRISE CO 0 232,338 232,338 0.05% $5.53M
ONDAS INC 0 443,600 443,600 0.04% $4.01M
AST SPACEMOBILE INC 0 38,500 38,500 0.03% $3.19M
DISCO CORP 0 6,700 6,700 0.03% $2.73M
BLOOM ENERGY CORP CL A 0 10,900 10,900 0.01% $1.48M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
ACCENTURE PLC CL A 716,200 0 -716,200 0.00% -$192.16M
ADOBE INC 497,160 0 -497,160 0.00% -$174.00M
TEXAS INSTRUMENTS INC 607,300 0 -607,300 0.00% -$105.36M
ASTERA LABS INC 550,800 0 -550,800 0.00% -$91.63M
SYNOPSYS INC 136,548 0 -136,548 0.00% -$64.14M
CADENCE DESIGN SYSTEMS INC 166,080 0 -166,080 0.00% -$51.91M
ATLASSIAN CORP PLC CLS A 293,500 0 -293,500 0.00% -$47.59M
CREDO TECHNOLOGY GROUP HOLDING LTD 324,400 0 -324,400 0.00% -$46.68M
NXP SEMICONDUCTORS NV 205,200 0 -205,200 0.00% -$44.54M
TESLA INC 91,480 0 -91,480 0.00% -$41.14M
HUBSPOT INC 93,000 0 -93,000 0.00% -$37.32M
ROPER TECHNOLOGIES INC 65,800 0 -65,800 0.00% -$29.29M
QUALCOMM INC 168,000 0 -168,000 0.00% -$28.74M
UNITY SOFTWARE INC 564,200 0 -564,200 0.00% -$24.92M
FIRST SOLAR INC 95,100 0 -95,100 0.00% -$24.84M
PTC INC 138,600 0 -138,600 0.00% -$24.15M
MONGODB INC CL A 56,600 0 -56,600 0.00% -$23.75M
REDDIT INC-A 68,800 0 -68,800 0.00% -$15.82M
IONQ INC 342,000 0 -342,000 0.00% -$15.35M
TWILIO INC CLASS A 105,600 0 -105,600 0.00% -$15.02M
MICROCHIP TECHNOLOGY 205,100 0 -205,100 0.00% -$13.07M
PURE STORAGE INC CL A 186,400 0 -186,400 0.00% -$12.49M
EPAM SYSTEMS INC 59,200 0 -59,200 0.00% -$12.13M
NUTANIX INC CL A 233,800 0 -233,800 0.00% -$12.09M
FORTIVE CORP 215,000 0 -215,000 0.00% -$11.87M
GEN DIGITAL INC 428,600 0 -428,600 0.00% -$11.65M
UIPATH INC -CL A 709,500 0 -709,500 0.00% -$11.63M
BETA TECHNOLOGIES INC 376,090 0 -376,090 0.00% -$10.61M
ZETA GLOBAL HOLDINGS CORP 511,464 0 -511,464 0.00% -$10.41M
RIOT PLATFORMS INC 489,100 0 -489,100 0.00% -$6.20M
VERISIGN INC 24,280 0 -24,280 0.00% -$5.90M
GARTNER INC 23,240 0 -23,240 0.00% -$5.86M
GODADDY INC CL A 46,700 0 -46,700 0.00% -$5.79M
PEGASYSTEMS INC 96,500 0 -96,500 0.00% -$5.76M
CELESTICA INC SUB VTG 17,100 0 -17,100 0.00% -$5.05M
GM CRUISE HLDG CL F CVT PFD PP 1,199,400 0 -1,199,400 0.00% -$4.50M
SANMINA CORP 28,900 0 -28,900 0.00% -$4.34M
D-WAVE QUANTUM INC 109,700 0 -109,700 0.00% -$2.87M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
APPLE INC 3,604,736 3,955,636 350,900 9.34% $23.92M
MICROSOFT CORP 2,106,151 2,119,031 12,880 7.30% -$234.18M
T Rowe Price Government Reserve Investment Fund 1,000 766,596,602 766,595,602 7.13% $766.60M
ALPHABET INC CL A 1,692,782 1,730,382 37,600 4.63% -$32.25M
CISCO SYSTEMS INC 3,087,032 3,749,132 662,100 2.71% $53.10M
ADV MICRO DEVICE 1,168,200 1,290,500 122,300 2.44% $12.34M
PALANTIR TECHNOLOGIES INC 1,649,615 1,659,100 9,485 2.26% -$50.53M
ORACLE CORP 632,725 1,065,320 432,595 1.46% $33.39M
APPLIED MATERIALS INC 412,100 433,000 20,900 1.38% $42.09M
ARISTA NETWORKS INC 796,320 960,120 163,800 1.10% $13.54M
CIENA CORP 109,300 290,165 180,865 1.05% $87.09M
MOTOROLA SOLUTIONS INC 110,080 217,320 107,240 0.88% $52.11M
WESTERN DIGITAL CORP 182,500 312,700 130,200 0.79% $53.14M
CORNING INC 562,386 565,186 2,800 0.71% $27.61M
MARVELL TECHNOLOGY INC 169,900 752,300 582,400 0.69% $60.08M
MKS INSTRUMENTS INC 80,800 196,100 115,300 0.42% $32.15M
JABIL INC 84,000 155,900 71,900 0.39% $22.26M
SK HYNIX INC 46,872 66,841 19,969 0.35% $16.70M
FABRINET 51,800 67,680 15,880 0.33% $11.71M
FLEX LTD 289,100 473,300 184,200 0.29% $13.51M
FORMFACTOR INC 53,100 288,500 235,400 0.26% $25.02M
TOWER SEMICONDCT 106,183 157,183 51,000 0.26% $15.11M
TTM TECHNOLOGIES INC 116,200 221,900 105,700 0.20% $13.60M
DIGITALOCEAN HOLDINGS INC 28,500 220,100 191,600 0.18% $17.51M
AMKOR TECHNOLOGY INC 37,800 415,100 377,300 0.17% $17.20M
ONTO INNOVATION INC 38,600 52,700 14,100 0.10% $4.71M
SITIME CORP 17,000 31,120 14,120 0.10% $4.74M
PSIQUANTUM CORP PP 64,750 88,083 23,333 0.04% $1.24M
PERPLEXITY AI SER D-1 CVT PFD PP 6,081 60,810 54,729 0.04% $0
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
NVIDIA CORP 6,398,936 5,387,236 -1,011,700 8.74% -$253.87M
BROADCOM INC 2,902,925 2,716,645 -186,280 7.82% -$163.87M
ALPHABET INC CL C 1,462,377 1,408,077 -54,300 3.76% -$54.97M
META PLATFORMS INC CL A 935,315 636,915 -298,400 3.39% -$252.99M
MICRON TECHNOLOGY INC 913,400 718,800 -194,600 2.26% -$17.85M
LAM RESEARCH CORP 1,637,100 837,900 -799,200 1.67% -$101.21M
INTL BUS MACH CORP 732,380 639,560 -92,820 1.44% -$61.92M
INTEL CORP 3,405,600 3,341,300 -64,300 1.37% $21.78M
AMPHENOL CORPORATION CL A 925,186 834,186 -91,000 0.98% -$19.63M
LUMENTUM HOLDINGS INC 197,300 138,800 -58,500 0.91% $24.82M
SANDISK CORPORATION 159,800 151,300 -8,500 0.89% $58.19M
SHOPIFY INC CL A 1,195,560 773,900 -421,660 0.85% -$100.65M
SALESFORCE INC 1,095,300 481,500 -613,800 0.84% -$200.27M
KLA CORP 201,880 59,720 -142,160 0.82% -$157.37M
TERADYNE INC 334,100 216,200 -117,900 0.60% -$573.74K
ANALOG DEVICES INC 357,400 181,500 -175,900 0.54% -$39.18M
MONOLITHIC POWER SYS INC 137,980 40,860 -97,120 0.42% -$80.39M
TREASURY RESERVE FUND - Collateral 290,688,365 44,292,731 -246,395,634 0.41% -$246.40M
CROWDSTRIKE HOLDINGS INC 157,274 111,600 -45,674 0.41% -$30.15M
SEAGATE TECHNOLOGY HOLDINGS PLC 159,600 108,100 -51,500 0.39% -$1.60M
INTERDIGITAL INC 180,948 124,508 -56,440 0.35% -$20.01M
APPLOVIN CORP 203,500 94,440 -109,060 0.35% -$99.54M
COHERENT CORP 287,800 152,300 -135,500 0.34% -$16.84M
ADVANTEST CORP 291,300 194,700 -96,600 0.25% -$9.96M
PALO ALTO NETWORKS INC 611,550 95,500 -516,050 0.14% -$97.34M
SERVICENOW INC 428,200 146,200 -282,000 0.14% -$50.31M
ENTEGRIS INC 144,000 119,700 -24,300 0.13% $1.90M
SNOWFLAKE INC CL A 134,200 89,000 -45,200 0.12% -$16.02M
INTUIT INC 213,160 29,120 -184,040 0.12% -$128.61M
TE CONNECTIVITY PLC 300,800 36,100 -264,700 0.07% -$60.89M
F5 INC 36,680 13,240 -23,440 0.04% -$5.53M
IMPINJ INC 270,000 35,500 -234,500 0.03% -$43.34M
ON SEMICONDUCTOR CORP 220,200 56,900 -163,300 0.03% -$8.40M
RAMBUS INC 375,100 16,300 -358,800 0.01% -$33.07M
WHITEFIBER INC 516,322 93,322 -423,000 0.01% -$7.05M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
WAYMO LLC SER A-2 CVT PFD UNITS PP 298,258 298,258 0 0.47% $4.05M
ANTHROPIC PBC SER F-1 CVT PFD PP 191,245 191,245 0 0.46% $900.08K
AESTAS LLC dba OPENAI LLC EV UNITS Class A 67,484 67,484 0 0.43% $13.80M
EPIC GAMES INC PP 53,150 53,150 0 0.23% -$2.76M
LIGHTMATTER SER D CVT PFD PP 248,958 248,958 0 0.20% $0
LAMBDA SERIES C CVT PFD STOCK PP 653,313 653,313 0 0.20% $0
WAYMO LLC SER B-2 CVT PFD UNITS PP 107,687 107,687 0 0.17% $1.47M
X.AI CORP SER C CVT PFD PP 230,946 230,946 0 0.16% $0
LIGHTMATTER INC PP 200,000 200,000 0 0.16% $0
CRUSOE INC SER E CVT PFD PP 142,843 142,843 0 0.14% $0
HADRIAN AUTOMATION INC SER C-2 CVT PFD P 793,223 793,223 0 0.14% $0
OPENAI LLV CVT INT Series A-3 CVT 17,473 17,473 0 0.11% $3.57M
X.AI CORP SER E CVT PFD PP 132,521 132,521 0 0.09% $0
RAPPI INC SER E CVT PFD PP 558,273 558,273 0 0.09% $0
ADV ENERGY INDS 29,300 29,300 0 0.09% $3.32M
LAMBDA SERIES E-2 CVT PFD STOCK PP 252,676 252,676 0 0.08% $0
LIGHTMATTER SER B-1 CVT PFD PP 81,714 81,714 0 0.06% $0
SEMTECH CORP 89,200 89,200 0 0.06% $285.44K
K2 SPACE CORP SER C CVT PFD PP 78,020 78,020 0 0.06% $0
REVOLUT LTD ORDINARY STOCK PP 4,276 4,276 0 0.06% $0
VIASAT INC 128,800 128,800 0 0.05% $1.46M
LAMBDA SERIES D-1 CVT PFD STOCK PP 166,578 166,578 0 0.05% $0
PHYSICAL INTELLIGENCE SER B CVT PFD PP 11,047 11,047 0 0.05% $2.35M
AIRWALLEX CAYMAN LTD SER G CVT PFD PP 234,741 234,741 0 0.05% $0
PSIQUANTUM SER E CVT PFD STK PP 72,946 72,946 0 0.04% $0
SB TECHNOLOGY SERIES E CVT PFD STOCK PP 90,070 90,070 0 0.03% $1.50M
RAPPI INC SER F CVT PFD PP 156,954 156,954 0 0.03% $0
HARVEY AI CORP SER F CVT PFD PP 80,059 80,059 0 0.02% $424.21K
HADRIAN AUTOMATION RTS 12.26 PP 793,223 793,223 0 0.02% $0
RAMP BUSINESS CORP SER E-3 CVT PFD PP 19,485 19,485 0 0.02% $0
RAMP BUSINESS CORP CL A COMMON PP 13,848 13,848 0 0.01% $0
THINK & LEARN SR F CVT CUM PREF SHS STK PP 4,539 4,539 0 0.00% $0
58.COM DISSENTERS RIGHTS 8,367,978 8,367,978 0 0.00% $0
THINK & LEARN PRIVATE LIMITED EQ SHS PP 7,289 7,289 0 0.00% $0

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