Stocks/Funds/CIK 1550660

OAKTOP CAPITAL MANAGEMENT II, L.P.

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1550660
Assets
$1.34B
+78.5% YoY
Holdings
14
Lifetime alpha vs market
+8.75% annual
Average hold time
6.9 yr
median 6.9 yr

Quarterly history

Cum return +113% vs S&P +52% · α +61% lifetimeAUM $1.3B · peak $1.3BFlow $-23M (-2%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+1.23%
adds when stocks drop
when a holding falls −10%+
Middle response
-0.16%
baseline attrition
Rally response
-1.01%
trims into rallies
when a holding rises +10%+

Top positions · 14

Ticker$ value% portYoYHold time
LRCXLam Research Corporation$481M35.9%+196.1%1.5 yr
KLACKLA Corporation$458M34.1%+118.2%10.0 yr
ADIAnalog Devices, Inc.$148M11.1%+60.2%4.8 yr
AVGOBroadcom Inc.$112M8.4%+86.0%6.3 yr
BMYBristol-Myers Squibb Com$29M2.2%+3.4%6.5 yr
DELLDell Technologies Inc.$21M1.6%+83.4%7.3 yr
EGANeGain Corporation$21M1.6%+62.7%10.3 yr
ASPNAspen Aerogels, Inc.$18M1.3%-46.5%9.8 yr
PINSPinterest, Inc.$16M1.2%-40.8%2.3 yr
PRGSProgress Software Corpor$13M1.0%-50.2%10.5 yr
GRMNGarmin Ltd.$11M0.8%+8.6%6.3 yr
CEVACEVA, Inc.$8M0.6%-27.1%10.5 yr
ARMArm Holdings plc America$3M0.2%+41.7%0.3 yr
INTCIntel Corporation$1M0.1%+94.3%10.5 yr

Portfolio composition (YoY)

Industry mix
Semiconductors90.4%+8.5pp$1.21B
Software - Application2.5%-2.7pp$34M
Drug Manufacturers - General2.2%-1.7pp$29M
Computer Hardware1.6%+0.0pp$21M
Construction1.3%-2.4pp$18M
Internet Content & Information1.2%-0.3pp$16M
Hardware, Equipment & Parts0.8%-0.6pp$11M
Country
US98.9%+0.3pp
CH0.8%-0.6pp
GB0.2%
Top 5: 91.6% · Top 10: 98.2% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
LRCX$196M+0.38B196.1%
KLAC$248M+0.29B118.2%
ADI$94M+0.06B60.2%
AVGO$61M+0.05B86.0%
DELL$12M+0.01B83.4%

Losers

TickerPrev $PnLYoY %
PRGS$26M-0.01B-50.2%
ASPN$28M-0.01B-46.5%
PINS$11M-0.00B-40.8%
CEVA$16M-0.00B-27.1%

Top buys this quarter · 3

PINS Pinterest, Inc.+$16M
ARM Arm Holdings plc American Deponew+$3M
ASPN Aspen Aerogels, Inc.+$3M

Top sells this quarter · 1

LRCX Lam Research Corporation$409M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.34B14+101.30%+17.59%+83.71%-0.02B
2025-12-31$1.18B13+65.15%+17.72%+47.43%-0.07B
2025-09-30$1.11B15+27.67%+17.52%+10.15%-0.02B
2025-06-30$930M15+6.75%+14.94%-8.19%-0.03B
2025-03-31$751M15-4.45%+8.30%-12.75%-0.01B
2024-12-31$801M15+10.52%+24.89%-14.36%-0.00B
2024-09-30$916M15+52.79%+36.04%+16.75%-0.07B
2024-06-30$976M16+41.28%+24.49%+16.79%-0.01B
2024-03-31$865M15+31.92%+29.62%+2.30%+0.04B
2023-12-31$754M14+22.98%+26.18%-3.20%+0.03B
2023-09-30$599M14+19.91%+21.57%-1.65%-0.01B
2023-06-30$658M15+16.40%+19.42%-3.03%+0.02B
2023-03-31$595M15-16.13%-7.82%-8.31%+0.02B
2022-12-31$559M15+18.01%+7.56%+10.44%-0.03B
2022-09-30$498M16-9.45%-4.93%-4.52%-0.00B
2022-06-30$552M16-23.20%-16.11%-7.09%+0.01B