OAKTOP CAPITAL MANAGEMENT II, L.P.

CIK 0001550660 · Q1 2026

13F Equity AUM

$1.3B

+13.6% QoQ

Positions

+1 QoQ

AUM Rank

#2,338

Top 19%

Skill Alpha (FF)

+1.5%/yr^ns

No Clear Edge

Rank #1,352 · Top 16%

vs S&P +2.8%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 91.6%Top 10: 98.3%Top 20: 100.0%

LRCX35.9%

KLAC34.1%

ADI11.1%

AVGO8.4%

BMY2.2%

DELL1.6%

EGAN1.6%

ASPN1.3%

PINS1.2%

PRGS1.0%

Others (4)1.8%

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

Sector Allocation

Technology95.3%

Healthcare2.2%

Other2.5%

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

Position Sizing

Positions: 14Median: 1.45%Avg: 7.14%

0–0.5%

2(0.3%)

0.5–1%

3(2.4%)

1–3%

5(7.8%)

3–5%

0(0.0%)

5%+

4(89.4%)

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

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Portfolio Overlap

Shared: 14Unique: 0vs 20 funds

0.2%Low

Fund positions

7,299

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.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

BlackRock, Inc.

0.4%

STATE STREET CORP

0.4%

GEODE CAPITAL MANAGEMENT, LLC

0.4%

VANGUARD CAPITAL MANAGEMENT LLC

0.4%

VANGUARD PORTFOLIO MANAGEMENT LLC

0.5%

MORGAN STANLEY

0.2%

JPMORGAN CHASE & CO

0.3%

BANK OF AMERICA CORP /DE/

0.3%

FMR LLC

0.4%

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New1Increased2Decreased1Exited0

New Positions

ARM0.2%

+20K

Increased

ASPN1.3%

+774K(+18%)

PINS1.2%

+200K(+31%)

Decreased

LRCX35.9%

-141,390(-6%)

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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