OAKTOP CAPITAL MANAGEMENT II, L.P.

Fundamental concentrated ★Highest signal CIK 1550660
League rank
#30
in Fundamental concentrated · #34 overall
Long book
$1.34B
Q1 2026
Positions
14
Top-10 weight
98%
concentration
Last quarter
+51.8%
SPY +14.8%
Turnover
7%
of book per quarter

Strategy in plain words

auto-generated from filings

OAKTOP CAPITAL MANAGEMENT II, L.P. is a concentrated fundamental stock-picker, running a $1.34B US long book across 14 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: LAM RESEARCH CORP, KLA CORP, ANALOG DEVICES INC, BROADCOM INC, BRISTOL-MYERS SQUIBB CO.

Over the last 9 quarters its long book ran on average 8.7pp per quarter ahead of the S&P 500, beating the index in 6 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+13.1%
Q2 2024
-5.8%
Q3 2024
-12.2%
Q4 2024
-5.2%
Q1 2025
+27.5%
Q2 2025
+20.6%
Q3 2025
+13.2%
Q4 2025
+15.6%
Q1 2026
+51.8%

Sector allocation

Industrials
36%
Other
34%
Technology
26%
Healthcare
2%
Consumer discretionary
1%

Long book by quarter

$865.4M
Q1 2024
$976.5M
Q2 2024
$916.3M
Q3 2024
$800.8M
Q4 2024
$750.8M
Q1 2025
$929.6M
Q2 2025
$1.11B
Q3 2025
$1.18B
Q4 2025
$1.34B
Q1 2026

What does OAKTOP CAPITAL own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
LRCX LAM RESEARCH CORPIndustrials2.2M$480.6M35.9%-5.9%
KLAC KLA CORPOther310.7K$457.5M34.1%Held
ADI ANALOG DEVICES INCTechnology466.2K$148.3M11.1%Held
AVGO BROADCOM INCTechnology362.8K$112.3M8.4%Held
BMY BRISTOL-MYERS SQUIBB COHealthcare480.0K$29.1M2.2%Held
DELL DELL TECHNOLOGIES -CTechnology130.6K$21.4M1.6%Held
EGAN EGAIN CORPTechnology2.7M$21.1M1.6%Held
ASPN ASPEN AEROGELS INCConsumer discretionary5.2M$17.7M1.3%+17.6%
PINS PINTEREST INC- CLASS ATechnology850.0K$15.6M1.2%+30.8%
PRGS PROGRESS SOFTWARE CORPTechnology508.6K$13.0M1.0%Held
GRMN GARMIN LTDTechnology48.0K$11.1M0.8%Held
CEVA CEVA INCTechnology446.4K$8.3M0.6%Held
INTC INTEL CORPTechnology23.0K$1.0M0.1%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202614$1.34B canonicalSEC ↗
Q4 202513F-HRFeb 17, 202613$1.18B canonicalSEC ↗
Q3 202513F-HRNov 14, 202515$1.11B canonicalSEC ↗
Q2 202513F-HRAug 14, 202515$929.6M canonicalSEC ↗
Q1 202513F-HRMay 15, 202515$750.8M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202515$800.8M canonicalSEC ↗
Q3 202413F-HRNov 13, 202415$916.3M canonicalSEC ↗
Q2 202413F-HRAug 12, 202416$976.5M canonicalSEC ↗
Q1 202413F-HRMay 14, 202415$865.4M canonicalSEC ↗