Alta Advisers Ltd

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 31, 2025), Alta Advisers Ltd reported 248 stock positions worth $326.9 million. Its top holding was Vanguard Short-Term Treasury (VGSH) at 11.6% of the portfolio, followed by Nvidia (NVDA, 7.1%) and Microsoft (MSFT, 6.1%). Compared with Q2 2025, it opened 8 new positions, sold out of 6, added to 24 and reduced 13. The biggest buy was Vanguard Short-Term Treasury (VGSH, shares +66%) and the biggest sale Vanguard S&P 500 ETF (VOO, shares −4%).

Most Recent 13F
Q2 2026
Location
LONDON, X0
CIK
0001536114
Portfolio Value
$326.9M (Q3 2025)
SEC Filing
0000904454-25-000547 ↗ filed Oct 31, 2025

Holdings Value

0$100.0M$200.0M$300.0M$400.0M$500.0M Q1 2024: $201.7M Q1 2024 Q2 2024: $207.9M Q2 2024 Q3 2024: $218.9M Q3 2024 Q4 2024: $158.4M Q4 2024 Q1 2025: $234.9M Q1 2025 Q2 2025: $281.0M Q2 2025 Q3 2025: $326.9M $326.9M Q3 2025 Q4 2025: $276.0M Q4 2025 Q1 2026: $276.4M Q1 2026 Q2 2026: $441.2M Q2 2026

Holdings 248 stocks · $326.9M
VGSH Vanguard Short-Term Treasury 11.59% 663,026 $37.9M Add +66.3%
NVDA Nvidia Corp. 7.08% 124,122 $23.2M Add +0.3%
MSFT Microsoft Corp. 6.05% 38,194 $19.8M No change
AAPL Apple Inc. 5.89% 75,580 $19.2M Reduce -1.9%
VT Vanguard Tot World STK ETF 4.69% 149,655 $15.3M Add +138.0%
AMZN Amazon.com Inc. 3.26% 48,577 $10.7M Add +0.6%
VOO Vanguard S&P 500 ETF 2.77% 14,790 $9.1M Reduce -3.8%
META Meta Platforms Inc. Class A 2.49% 11,080 $8.1M No change
AVGO Broadcom Inc. 2.42% 23,999 $7.9M Reduce -0.8%
GOOGL Alphabet Inc. Class A 2.19% 29,479 $7.2M No change
TSLA Tesla Inc. 1.93% 14,192 $6.3M Add +1.6%
GOOG Alphabet Inc. Class C 1.78% 23,903 $5.8M Add +0.5%
BRK.B Berkshire Hathaway Inc. Class B 1.45% 9,455 $4.8M No change
VEU Vanguard Ftse All-World Ex-U 1.44% 65,757 $4.7M Reduce -3.8%
JPM JPMorgan Chase & Co. 1.40% 14,524 $4.6M No change
LLY Eli Lilly & Co. 0.96% 4,119 $3.1M No change
V Visa Inc. Class A 0.93% 8,912 $3.0M No change
NFLX Netflix Inc. 0.79% 2,142 $2.6M Add +1.2%
XOM Exxon Mobil Corp. 0.78% 22,558 $2.5M No change
MA Mastercard Inc. Class A 0.71% 4,087 $2.3M Add +1.1%
ORCL Oracle Corp. 0.70% 8,168 $2.3M Add +3.2%
WMT Walmart Inc. 0.69% 21,813 $2.2M No change
JNJ Johnson & Johnson 0.68% 11,968 $2.2M Add +1.3%
COST Costco Wholesale Corp. 0.64% 2,266 $2.1M No change
PLTR Palantir Technologies Inc. Class A 0.64% 11,422 $2.1M Add +6.5%
HD Home Depot Inc. 0.63% 5,121 $2.1M No change
ABBV Abbvie Inc. 0.62% 8,765 $2.0M No change
PG The Procter & Gamble Co. 0.54% 11,518 $1.8M Reduce -2.5%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.52% 32,856 $1.7M No change
UNH Unitedhealth Group Inc. 0.49% 4,637 $1.6M No change
CVX Chevron Corp. 0.46% 9,764 $1.5M Add +18.6%
WFC Wells Fargo & Co. 0.44% 17,207 $1.4M No change
CSCO Cisco Systems Inc. 0.41% 19,459 $1.3M No change
PM Philip Morris International 0.40% 8,087 $1.3M No change
AMD Advanced Micro Devices 0.40% 8,092 $1.3M No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.39% 4,555 $1.3M No change
KO The Coca-Cola Co. 0.39% 19,310 $1.3M Add +2.4%
GS Goldman Sachs Group Inc. 0.37% 1,538 $1.2M No change
CRM Salesforce Inc. 0.36% 4,970 $1.2M No change
ABT Abbott Laboratories 0.36% 8,720 $1.2M No change
CAT Caterpillar Inc. 0.35% 2,391 $1.1M No change
LIN Linde PLC 0.34% 2,313 $1.1M Add +3.1%
T AT&T Inc. 0.34% 38,897 $1.1M Reduce -3.0%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.33% 9,419 $1.1M No change
MCD McDonald's Corp. 0.33% 3,514 $1.1M No change
MRK Merck & Co. Inc. 0.32% 12,584 $1.1M No change
UBER Uber Technologies Inc. 0.32% 10,610 $1.0M No change
NOW ServiceNow Inc. 0.30% 1,083 $997K No change
MU Micron Technology Inc. 0.30% 5,894 $986K No change
MS Morgan Stanley 0.30% 6,115 $972K No change
BKNG Booking Holdings Inc. 0.30% 179 $966K No change
QCOM Qualcomm Inc. 0.29% 5,781 $962K No change
C Citigroup Inc. 0.29% 9,364 $950K No change
APP AppLovin Corp. Class A 0.29% 1,320 $948K Add +8.2%
VZ Verizon Communications Inc. 0.29% 21,516 $946K No change
INTU Intuit Inc. 0.29% 1,368 $934K Add +3.0%
BLK BlackRock Inc. 0.28% 784 $914K No change
PEP Pepsico Inc. 0.28% 6,497 $912K Reduce -7.2%
AXP American Express Co. 0.28% 2,742 $911K No change
TMO Thermo Fisher Scientific Inc. 0.28% 1,866 $905K No change
LRCX Lam Research Corp. 0.27% 6,480 $868K No change
TXN Texas Instruments Inc. 0.27% 4,715 $866K No change
SCHW Schwab (charles) Corp. 0.25% 8,670 $828K No change
AMAT Applied Materials Inc. 0.25% 4,036 $826K No change
NEE Nextera Energy Inc. 0.25% 10,770 $813K No change
GEV GE Vernova Inc. 0.25% 1,322 $813K No change
ACN Accenture PLC Class A 0.25% 3,268 $806K No change
SPGI S&P Global Inc. 0.24% 1,637 $797K No change
ISRG Intuitive Surgical Inc. 0.24% 1,781 $797K No change
INTC Intel Corp. 0.24% 23,721 $796K Reduce -7.4%
ANET Arista Networks Inc. 0.24% 5,439 $793K No change
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.24% 5,476 $792K No change
PFE Pfizer Inc. 0.24% 31,012 $790K Reduce -2.8%
AMGN Amgen Inc. 0.23% 2,710 $765K No change
ADBE Adobe Inc. 0.23% 2,158 $761K No change
COF Capital One Financial Corp. 0.23% 3,556 $756K No change
PGR Progressive Corp. 0.23% 3,036 $750K No change
APH Amphenol Corp. Class A 0.23% 5,960 $738K No change
GILD Gilead Sciences Inc. 0.22% 6,592 $732K No change
BSX Boston Scientific Corp. 0.22% 7,482 $730K Add +3.5%
ETN Eaton Corp. PLC 0.22% 1,900 $711K No change
KLAC KLA Corp. 0.21% 645 $696K No change
LOW Lowe's Cos Inc. 0.21% 2,713 $682K No change
UNP Union Pacific Corp. 0.21% 2,838 $671K Reduce -9.6%
PANW Palo Alto Networks Inc. 0.20% 3,284 $669K No change
HON Honeywell International Inc. 0.20% 3,157 $665K No change
SYK Stryker Corp. 0.20% 1,731 $640K Add +6.1%
CRWD CrowdStrike Holdings Inc. Class A 0.19% 1,278 $627K No change
DHR Danaher Corp. 0.19% 3,133 $621K No change
BX Blackstone Inc. 0.19% 3,606 $616K No change
DE Deere & Co. 0.19% 1,342 $614K No change
CMCSA Comcast Corp. Class A 0.18% 19,057 $599K No change
MDT Medtronic PLC 0.18% 6,285 $599K No change
ADI Analog Devices Inc. 0.18% 2,436 $599K No change
TMUS T-Mobile US Inc. 0.18% 2,500 $598K No change
COP Conocophillips 0.18% 6,312 $597K No change
ADP Automatic Data Processing 0.18% 1,972 $579K No change
HOOD Robinhood Markets Inc. Class A 0.17% 3,937 $564K No change
MO Altria Group Inc. 0.17% 8,264 $546K No change
CEG Constellation Energy 0.17% 1,649 $543K No change

Show all 248 holdings

Portfolio Sells Q2 2025 → Q3 2025
VOO Vanguard S&P 500 ETF Reduce -3.8% 2.77% −0.34
VEU Vanguard Ftse All-World Ex-U Reduce -3.8% 1.44% −0.20
PG The Procter & Gamble Co. Reduce -2.5% 0.54% −0.13
VRSK Verisk Analytics Inc. Sold out 0.00% −0.08
FIS Fidelity National Info Serv Sold out 0.00% −0.08
T AT&T Inc. Reduce -3.0% 0.34% −0.08
CHTR Charter Communications Inc. Class A Sold out 0.00% −0.08
HES Hess Corp. Sold out 0.00% −0.07
FICO Fair Isaac Corp. Sold out 0.00% −0.07
CAH Cardinal Health Inc. Sold out 0.00% −0.07
UPS United Parcel Service Class B Reduce -15.8% 0.08% −0.05
UNP Union Pacific Corp. Reduce -9.6% 0.21% −0.05
PEP Pepsico Inc. Reduce -7.2% 0.28% −0.05
MDLZ Mondelez International Inc. Class A Reduce -5.7% 0.13% −0.04
PFE Pfizer Inc. Reduce -2.8% 0.24% −0.03
FDX FedEx Corp. Reduce -16.2% 0.07% −0.03
INTC Intel Corp. Reduce -7.4% 0.24% +0.04
AVGO Broadcom Inc. Reduce -0.8% 2.42% +0.05
AAPL Apple Inc. Reduce -1.9% 5.89% +0.26

Portfolio Buys Q2 2025 → Q3 2025
VGSH Vanguard Short-Term Treasury Add +66.3% 11.59% +3.42
VT Vanguard Tot World STK ETF Add +138.0% 4.69% +2.59
TSLA Tesla Inc. Add +1.6% 1.93% +0.35
GOOG Alphabet Inc. Class C Add +0.5% 1.78% +0.28
APP AppLovin Corp. Class A Add +8.2% 0.29% +0.14
NVDA Nvidia Corp. Add +0.3% 7.08% +0.12
PLTR Palantir Technologies Inc. Class A Add +6.5% 0.64% +0.12
STX Seagate Technology Holdings New 0.09% +0.09
ORCL Oracle Corp. Add +3.2% 0.70% +0.09
MPWR Monolithic Power Systems Inc. New 0.07% +0.07
WDC Western Digital Corp. New 0.07% +0.07
EBAY eBay Inc. New 0.07% +0.07
VMC Vulcan Materials Co. New 0.07% +0.07
WBD Warner Bros Discovery Inc. New 0.06% +0.06
ETR Entergy Corp. New 0.06% +0.06
ROK Rockwell Automation Inc. New 0.06% +0.06
CVX Chevron Corp. Add +18.6% 0.46% +0.04
JNJ Johnson & Johnson Add +1.3% 0.68% +0.04
AZO AutoZone Inc. Add +22.7% 0.11% +0.02
F Ford Motor Co. Add +14.2% 0.06% +0.00
SNPS Synopsys Inc. Add +23.0% 0.13% +0.00
SLB SLB Ltd. Add +16.6% 0.09% +0.00
COR Cencora Inc. Add +9.1% 0.08% −0.00
MSTR Strategy Inc. Add +24.8% 0.14% −0.02
SYK Stryker Corp. Add +6.1% 0.20% −0.03
LIN Linde PLC Add +3.1% 0.34% −0.04
BSX Boston Scientific Corp. Add +3.5% 0.22% −0.05
KO The Coca-Cola Co. Add +2.4% 0.39% −0.08
INTU Intuit Inc. Add +3.0% 0.29% −0.09
MA Mastercard Inc. Class A Add +1.1% 0.71% −0.10
NFLX Netflix Inc. Add +1.2% 0.79% −0.22
AMZN Amazon.com Inc. Add +0.6% 3.26% −0.51

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 219$441.2MVT, NVDA, VGSH, AMZN, GOOG
Q1 2026 206$276.4MVT, VGSH, NVDA, AAPL, MSFT
Q4 2025 199$276.0MVT, VGSH, NVDA, AAPL, MSFT
Q3 2025 248$326.9MVGSH, NVDA, MSFT, AAPL, VT
Q2 2025 246$281.0MVGSH, NVDA, MSFT, AAPL, AMZN
Q1 2025 229$234.9MAAPL, MSFT, NVDA, VGSH, AMZN
Q4 2024 153$158.4MAAPL, VGSH, NVDA, MSFT, VOO
Q3 2024 413$218.9MVGSH, VOO, VEU, AAPL, MSFT
Q2 2024 399$207.9MVGSH, VOO, VEU, MSFT, NVDA
Q1 2024 392$201.7MVGSH, VOO, VEU, MSFT, AAPL