BFOCX
Berkshire Focus Fund
BERKSHIRE FUNDS

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
FASTLY INC CL A 0 403,830 403,830 4.23% $11.74M
DIGITALOCEAN HOLDINGS INC 0 99,010 99,010 3.06% $8.49M
Tower Semiconductor Ltd. (Israel) 0 47,800 47,800 3.03% $8.39M
KULICKE and SOFFA INDUSTRIES INC 0 123,690 123,690 2.93% $8.13M
QNITY ELECTRONICS INC 0 47,780 47,780 1.99% $5.51M
TEXAS PACIFIC LAND CORP 0 10 10 0.00% $4.75K
Seagate Technology Holdings plc 0 10 10 0.00% $3.92K
JABIL INC 0 10 10 0.00% $2.66K
APPLIED OPTOELECTRONICS INC 0 10 10 0.00% $846
RIOT PLATFORMS INC 0 10 10 0.00% $124
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
CYBERARK SOFTWARE LTD/ISRAEL COMMON STOCK ILS.01 10 0 -10 0.00% -$4.46K
TAKE-TWO INTERACTV SOFTWR INC 10 0 -10 0.00% -$2.56K
QUALCOMM INC 10 0 -10 0.00% -$1.71K
ALIBABA GROUP HOLDING LTD SPON ADR 10 0 -10 0.00% -$1.47K
TOAST INC-A 10 0 -10 0.00% -$355
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
LUMENTUM HOLDINGS INC 10 31,950 31,940 8.10% $22.45M
COHERENT CORP 10 76,300 76,290 6.56% $18.17M
VERTIV HOLDINGS CO 49,840 54,160 4,320 4.90% $5.50M
PALANTIR TECHNOLOGIES INC 74,690 91,700 17,010 4.84% $137.73K
ARM HOLDINGS LTD 10 80,450 80,440 4.39% $12.17M
CORNING INC 10 85,690 85,680 4.20% $11.65M
APPLIED MATERIALS INC 10 32,470 32,460 4.00% $11.10M
BLOOM ENERGY CORP CL A 20 81,810 81,790 4.00% $11.08M
ECHOSTAR CORP CL A 56,300 92,100 35,800 3.89% $4.66M
Yandex NV 68,140 80,340 12,200 3.01% $2.63M
TERADYNE INC 10 28,040 28,030 3.00% $8.31M
MARVELL TECHNOLOGY INC 10 82,580 82,570 2.95% $8.18M
CLOUDFLARE INC-A 10 39,410 39,400 2.93% $8.13M
ASML Holding N.V. - ADR 10 6,140 6,130 2.93% $8.10M
PALO ALTO NETWORKS INC 20 42 22 0.00% $3.05K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
NVIDIA CORP 391,860 158,500 -233,360 9.97% -$45.44M
TAIWAN SEMIC MFG CO LTD SP ADR 102,100 73,970 -28,130 9.02% -$6.03M
GE VERNOVA LLC 22,960 19,010 -3,950 5.99% $1.59M
APPLOVIN CORP 17,030 10 -17,020 0.00% -$11.47M
TESLA INC 40,210 10 -40,200 0.00% -$18.08M
SITIME CORP 8,180 10 -8,170 0.00% -$2.89M
BROADCOM INC 46,210 10 -46,200 0.00% -$15.99M
CELESTICA INC SUB VTG 49,790 10 -49,780 0.00% -$14.72M
MONGODB INC CL A 24,890 10 -24,880 0.00% -$10.44M
AMAZON.COM INC 40,400 10 -40,390 0.00% -$9.32M
ORACLE CORP 77,100 10 -77,090 0.00% -$15.03M
REDDIT INC-A 32,650 10 -32,640 0.00% -$7.50M
ASTERA LABS INC 87,930 10 -87,920 0.00% -$14.63M
CoreWeave, Inc. (Class A) 77,190 10 -77,180 0.00% -$5.53M
ROCKET LAB USA INC-A 207,360 10 -207,350 0.00% -$14.46M
APPLIED DIGITAL CORP 371,690 10 -371,680 0.00% -$9.11M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
MERCADOLIBRE INC 10 10 0 0.01% -$2.85K
KLA CORP 10 10 0 0.01% $2.57K
MONOLITHIC POWER SYS INC 10 10 0 0.00% $1.87K
NETFLIX INC 100 100 0 0.00% $239
SANDISK CORPORATION 10 10 0 0.00% $3.98K
OPTION 10 10 0 0.00% -$371
META PLATFORMS INC CL A 10 10 0 0.00% -$880
ARGAN INC 10 10 0 0.00% $2.31K
SERVICENOW INC 50 50 0 0.00% -$2.43K
Spotify Technology SA 10 10 0 0.00% -$958
AXON ENTERPRISE INC 10 10 0 0.00% -$1.43K
CROWDSTRIKE HOLDINGS INC 10 10 0 0.00% -$784
CIENA CORP 10 10 0 0.00% $1.54K
V/E SEMICONDUCT 10 10 0 0.00% $233
MICROSOFT CORP 10 10 0 0.00% -$1.13K
EATON CORP PLC 10 10 0 0.00% $392
MICRON TECHNOLOGY INC 10 10 0 0.00% $524
TALEN ENERGY CORP 10 10 0 0.00% -$556
CARVANA CO CL A 10 10 0 0.00% -$1.08K
ALPHABET INC CL A 10 10 0 0.00% -$254
GENERAL ELECTRIC CO 10 10 0 0.00% -$243
CONSTELLATION ENERGY CORP 10 10 0 0.00% -$740
WESTERN DIGITAL CORP 10 10 0 0.00% $982
APPLE INC 10 10 0 0.00% -$181
LAM RESEARCH CORP 10 10 0 0.00% $425
BWX TECHNOLOGIES INC 10 10 0 0.00% $316
ADV MICRO DEVICE 10 10 0 0.00% -$107
COINBASE GLOBAL INC 10 10 0 0.00% -$515
DELL TECHNOLOGIES INC CL C 10 10 0 0.00% $382
SNOWFLAKE INC CL A 10 10 0 0.00% -$685
VISTRA CORP 10 10 0 0.00% -$110
DOORDASH INC-A 10 10 0 0.00% -$763
ZSCALER INC 10 10 0 0.00% -$846
AMPHENOL CORPORATION CL A 10 10 0 0.00% -$88
STRATEGY INC CL A 10 10 0 0.00% -$272
ARISTA NETWORKS INC 10 10 0 0.00% -$82
SHOPIFY INC CL A 10 10 0 0.00% -$424
DATADOG INC CL A 10 10 0 0.00% -$179
NETAPP INC 10 10 0 0.00% -$47
CIRCLE INTERNET GROUP INC A 10 10 0 0.00% $161
ROKU INC CLASS A 10 10 0 0.00% -$139
CREDO TECHNOLOGY 10 10 0 0.00% -$500
SEA LTD ADR 10 10 0 0.00% -$448
iShares Expanded Tech-Software Sector ETF 10 10 0 0.00% -$256
OKTA INC CL A 10 10 0 0.00% -$78
UBER TECHNOLOGIES INC 10 10 0 0.00% -$98
ROBINHOOD MARKETS INC 10 10 0 0.00% -$438
PURE STORAGE INC CL A 10 10 0 0.00% -$80
ROBLOX CORP - A 10 10 0 0.00% -$245
OKLO INC 10 10 0 0.00% -$222
HUT 8 CORP 10 10 0 0.00% $10
AFFIRM HOLDINGS INC 10 10 0 0.00% -$286
TEMPUS AI INC-A 10 10 0 0.00% -$138
ZILLOW GROUP INC CL A 10 10 0 0.00% -$268
SHS BEN INT 10 10 0 0.00% -$112
IREN Ltd. ORDINARY SHARES 10 10 0 0.00% -$35
IONQ INC 10 10 0 0.00% -$160
SUPER MICRO COMPUTER INC 10 10 0 0.00% -$65
UNITY SOFTWARE INC 10 10 0 0.00% -$222
BITMINE IMMERSION TECHNOLOGIES INC 10 10 0 0.00% -$74
QXO INC 10 10 0 0.00% $1
SOFI TECHNOLOGIES INC A 10 10 0 0.00% -$103
SHS 10 10 0 0.00% -$66
ROLLS ROYCE HOLDINGS SPONS ADR 10 10 0 0.00% -$3
RIVIAN AUTOMOTIVE INC 10 10 0 0.00% -$47
CORE SCIENTIFIC INC 10 10 0 0.00% $4
D-WAVE QUANTUM INC 10 10 0 0.00% -$117
ROCKET COS INC-A 10 10 0 0.00% -$51
RIGETTI COMPUTING INC A 10 10 0 0.00% -$81
Dynamix Corporation (Class A) 10 10 0 0.00% $2
CLEANSPARK INC 10 10 0 0.00% -$16
QUANTUM COMPUTING INC 10 10 0 0.00% -$34
OPENDOOR TECHNOLOGIES INC 10 10 0 0.00% -$12

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