OAKTOP CAPITAL MANAGEMENT II, L.P.
OAKTOP CAPITAL MANAGEMENT II, L.P. declares $2.2B in 8 of the 220 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 94.7% of its $2.4B 13F portfolio. Largest positions: KLA (0.23% of the company) and Lam Research (0.16% of the company). Over time: $2.2B in 8 of these companies for Q2 2026, against $194.6M in 5 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought nothing and sold $97.8M of these stocks, at the quarter's prices: a net sale of $97.8M.
Performance of its AI picks
The AI-stock portfolio OAKTOP CAPITAL MANAGEMENT II, L.P. declared for Q2 2026 (Form 13F), held unchanged, returned -24.4% in Q3 2026 (SMH -7.1%), ranked 1767 of 1,776 active managers. Over the last 12 months, quarter after quarter: +96.6% (SMH +87.2%), ranked 36 of 1,356 active managers. Over three years, quarter after quarter: +337.6% (SMH +325.8%), ranked 25 of 782 active managers. Over five years, quarter after quarter: +413.5% (SMH +389.8%), ranked 5 of 535 active managers. Trades made during a quarter are not visible in 13F filings: this measures its declared picks, not the return of its funds.
Largest positions
- KLA (KLAC) — $921.3M: 3.1M shares, 0.23% of the company, 39.2% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
- Lam Research (LRCX) — $893.1M: 2.1M shares, 0.16% of the company, 38.0% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
- Analog Devices (ADI) — $185.2M: 466,196 shares, 0.10% of the company, 7.9% of its portfolio; held since Q3 2021
- Broadcom (AVGO) — $137.0M: 362,760 shares, 0.01% of the company, 5.8% of its portfolio; held since Q1 2020
- Dell (DELL) — $56.4M: 130,619 shares, 0.02% of the company, 2.4% of its portfolio; held since Q4 2019 or earlier
- CEVA (CEVA) — $21.1M: 446,377 shares, 1.6% of the company, 0.90% of its portfolio; held since Q4 2019 or earlier
- Arm Holdings (ARM) — $7.1M: 20,000 shares, 0.00% of the company, 0.30% of its portfolio; held since Q1 2026
- Intel (INTC) — $3.2M: 23,010 shares, 0.00% of the company, 0.14% of its portfolio; held since Q4 2019 or earlier
By sector
- Equipment & test — $1.8B, 82% of its AI holdings, 2 companies
- Chips & compute — $353.5M, 16% of its AI holdings, 5 companies
- Servers & systems — $56.4M, 3% of its AI holdings, 1 company
Biggest changes this quarter
- trimmed Lam Research (LRCX): -$81.6M at the quarter's price
- trimmed KLA (KLAC): -$16.2M at the quarter's price
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