Starboard Value LP

Starboard Value LP declares $800.3M in 2 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 17.7% of its $4.5B 13F portfolio. Largest positions: Qorvo (6.4% of the company) and Riot Platforms (2.7% of the company). Over time: $800.3M in 2 of these companies for Q2 2026, against $295.8M in 1 for Q4 2020 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought nothing and sold $325.8M of these stocks, at the quarter's prices: a net sale of $325.8M.

Performance of its AI picks

The AI-stock portfolio Starboard Value LP declared for Q2 2026 (Form 13F), held unchanged, returned +5.7% in Q3 2026 (SMH -7.1%). Over the last 12 months, quarter after quarter: +24.1% (SMH +87.2%). Over three years, quarter after quarter: +113.4% (SMH +325.8%). Over five years, quarter after quarter: +504.1% (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. Qorvo (QRVO) — $523.4M: 5.6M shares, 6.4% of the company, 11.6% of its portfolio (trimmed this quarter); held since Q1 2025
2. Riot Platforms (RIOT) — $276.9M: 10.1M shares, 2.7% of the company, 6.1% of its portfolio (trimmed this quarter); held since Q4 2024

By sector

• Chips & compute — $523.4M, 65% of its AI holdings, 1 company
• Neoclouds & data centers — $276.9M, 35% of its AI holdings, 1 company

Biggest changes this quarter

• trimmed Qorvo (QRVO): -$177.2M at the quarter's price
• trimmed Riot Platforms (RIOT): -$148.7M at the quarter's price

Schedule 13D/G declarations

• Qorvo (QRVO) — 13D filed Oct 6, 2026: 0 shares as of Oct 5, 2026, 0.00% as declared
• Qorvo (QRVO) — 13D filed Jun 2, 2026: 5.6M shares as of Jun 2, 2026, 6.4% as declared
• Qorvo (QRVO) — 13D filed Oct 29, 2025: 7.5M shares as of Oct 27, 2025, 8.1% as declared
• Qorvo (QRVO) — 13D filed May 19, 2025: 8.3M shares as of May 19, 2025, 8.9% as declared
• Qorvo (QRVO) — 13D filed Apr 14, 2025: 8.3M shares as of Apr 14, 2025, 8.9% as declared
• Qorvo (QRVO) — 13D filed Mar 24, 2025: 8.3M shares as of Mar 21, 2025, 8.9% as declared
• Qorvo (QRVO) — 13D filed Jan 17, 2025: 7.3M shares as of Jan 10, 2025, 7.7% as declared

Other holders of this size

• Vanguard — $3.6T in 225 of these companies
• BlackRock — $3.1T in 226 of these companies
• State Street — $1.6T in 222 of these companies
• Fidelity (FMR) — $1.2T in 223 of these companies
• Geode Capital — $890.9B in 220 of these companies
• Capital Group — $881.7B in 132 of these companies
• JPMorgan — $717.8B in 225 of these companies
• Invesco — $683.3B in 220 of these companies

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