Alphabet Inc.

New 13F: Q3 2026

Alphabet Inc. filed its 13F for the quarter ended Sep 30, 2026 on Nov 6, 2026: $85.1B in AI and semiconductor stocks; $1.1B bought and $83.2M sold against its previous quarter, at the quarter's prices.

• added to SpaceX (SPCX): +$581.4M at the quarter's price
• opened a position in Qualcomm (QCOM): +$547.9M at the quarter's price
• sold out of GitLab (GTLB): -$83.2M at the quarter's price

Alphabet Inc. declares $95.1B in 5 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 96.0% of its $99.1B 13F portfolio. Largest positions: SpaceX (2.0% of the company) and Arm Holdings (0.18% of the company). Over time: $95.1B in 5 of these companies for Q2 2026, against $36.4M in 2 for Q4 2019 (13F values as filed).

Performance of its AI picks

The AI-stock portfolio Alphabet Inc. declared for Q2 2026 (Form 13F), held unchanged, returned -11.6% in Q3 2026 (SMH -7.1%). Over the last 12 months, quarter after quarter: +34.8% (SMH +87.2%). Over three years, quarter after quarter: +143.8% (SMH +325.8%). Over five years, quarter after quarter: -20.7% (SMH +389.8%). Trades made during a quarter are not visible in 13F filings: this measures its declared picks, not the return of its funds.

Largest positions

1. SpaceX (SPCX): $94.2B, 551.2M shares, 2.0% of the company, 95.0% of its portfolio
2. Arm Holdings (ARM): $695.2M, 2.0M shares, 0.18% of the company, 0.70% of its portfolio; held since Q3 2023
3. Tempus AI (TEM): $89.9M, 1.6M shares, 0.85% of the company, 0.09% of its portfolio; held since Q2 2024
4. GitLab (GTLB): $83.2M, 2.7M shares, 1.6% of the company, 0.08% of its portfolio; held since Q2 2022
5. UiPath (PATH): $76.5M, 7.0M shares, 1.3% of the company, 0.08% of its portfolio; held since Q2 2021

By sector

• Cloud & AI giants: $94.2B, 99% of its AI holdings, 1 company
• Chips & compute: $695.2M, 1% of its AI holdings, 1 company
• AI software: $249.5M, 0% of its AI holdings, 3 companies

Schedule 13D/G declarations

• TeraWulf (WULF): 13G filed Sep 25, 2026: 41.0M shares as of Sep 11, 2026, 7.6% as declared
• SpaceX (SPCX): 13G filed Aug 14, 2026: 551.2M shares as of Jun 30, 2026, 7.2% as declared
• GitLab (GTLB): 13G filed Feb 13, 2025: 6.1M shares as of Dec 31, 2024, 4.3% as declared

Beyond the shares Alphabet Inc. holds

What its Schedule 13D/G filings count but it does not hold yet: warrants, options, convertible securities (SEC Rule 13d-3), in today's shares, at the last price.

TeraWulf (WULF)

The Schedule 13G of Sep 11, 2026 counts 41.0M shares (8.2%) as Alphabet Inc.'s.

• Warrants: 41.0M (8.2%), $511.8M. The right to buy 41.0M new shares from the company at a price set in advance. Not exercised yet.

Other holders of this size

• NVIDIA Corporation: $61.2B in 6 of these companies
• ADVANCED MICRO DEVICES INC: $1.0B in 3 of these companies
• Intel Corp: $484.0M in 1 of these companies
• AMAZON COM INC: $252.2M in 2 of these companies
• Cisco Systems, Inc.: $146.5M in 2 of these companies
• Galaxy Digital Inc.: $2.7M in 3 of these companies

Follow Alphabet Inc.'s SEC filings (Atom feed)

All holders · Who owns each AI company · All tracked companies · The AI market