OAKTOP CAPITAL MANAGEMENT II, L.P.

CIK 0001550660 · Q2 2026

13F Equity AUM

$2.4B

+75.3% QoQ

Positions

0 QoQ

AUM Rank

#2,158

Top 17%

Skill Alpha (FF)

+1.5%/yr^ns

No Clear Edge

Rank #1,355 · Top 17%

vs S&P +5.7%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 93.3%Top 10: 98.4%Top 20: 100.0%

KLAC39.2%

LRCX38.0%

ADI7.9%

AVGO5.8%

DELL2.4%

ASPN1.4%

BMY1.2%

CEVA0.9%

PINS0.8%

PRGS0.7%

Others (4)1.6%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Technology96.6%

Other3.4%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 14Median: 1.04%Avg: 7.14%

0–0.5%

3(0.9%)

0.5–1%

4(3.2%)

1–3%

3(5.0%)

3–5%

0(0.0%)

5%+

4(90.9%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 0Unique: 14vs 20 funds

0%Low

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

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Position Changes This Quarter

New0Increased2Decreased1Exited0

Increased

KLAC39.2%

+2.7M(+883%)

PINS0.8%

+100K(+12%)

Decreased

LRCX38.0%

-188,340(-8%)

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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