OAKTOP CAPITAL MANAGEMENT II, L.P. — 13F Holdings & Portfolio
CIK 1550660 · latest 13F-HR filed 2026-05-14
OAKTOP CAPITAL MANAGEMENT II, L.P. manages $1.34B in 13F-reported U.S. long-equity assets across 14 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are LRCX (35.86%), KLAC (34.14%), ADI (11.07%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 0, added to 8, and trimmed 5.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$1.34B
Long-equity book
14
Distinct positions
2026-03-31
Filed 2026-05-14
+1 / −0 / ↑8 / ↓5
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- KLA CORP$80.0M +21.2%
- LAM RESEARCH CORP$71.4M +17.4%
- ANALOG DEVICES INC$21.9M +17.3%
- ASPEN AEROGELS INC$5.2M +42.1%
- DELL TECHNOLOGIES INC$5.0M +30.4%
Top Trims
- BROADCOM INC-$13.3M -10.6%
- PROGRESS SOFTWARE CORP-$8.8M -40.3%
- EGAIN CORP-$6.4M -23.3%
- CEVA INC-$1.3M -13.2%
- PINTEREST INC-$1.2M -7.4%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | LAM RESEARCH CORP | LRCX | 512807306 | $480.6M | 35.86% | 2,249,394 | SH |
| 2 | KLA CORP | KLAC | 482480100 | $457.5M | 34.14% | 310,738 | SH |
| 3 | ANALOG DEVICES INC | ADI | 032654105 | $148.3M | 11.07% | 466,196 | SH |
| 4 | BROADCOM INC | AVGO | 11135F101 | $112.3M | 8.38% | 362,760 | SH |
| 5 | BRISTOL-MYERS SQUIBB CO | BMY | 110122108 | $29.1M | 2.17% | 479,991 | SH |
| 6 | DELL TECHNOLOGIES INC | DELL | 24703L202 | $21.4M | 1.60% | 130,619 | SH |
| 7 | EGAIN CORP | EGAN | 28225C806 | $21.1M | 1.57% | 2,671,843 | SH |
| 8 | ASPEN AEROGELS INC | ASPN | 04523Y105 | $17.7M | 1.32% | 5,168,674 | SH |
| 9 | PINTEREST INC | PINS | 72352L106 | $15.6M | 1.16% | 850,000 | SH |
| 10 | PROGRESS SOFTWARE CORP | PRGS | 743312100 | $13.0M | 0.97% | 508,608 | SH |
| 11 | GARMIN LTD | GRMN | H2906T109 | $11.1M | 0.83% | 48,000 | SH |
| 12 | CEVA INC | CEVA | 157210105 | $8.3M | 0.62% | 446,377 | SH |
| 13 | ARM HOLDINGS PLC | ARM | 042068205 | $3.0M | 0.23% | 20,000 | SH |
| 14 | INTEL CORP | INTC | 458140100 | $1.0M | 0.08% | 23,010 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-14 | $1.34B | 14 | 0001172661-26-001972 |
| 2025-12-31 | 2026-02-17 | $1.18B | 13 | 0001172661-26-001059 |
| 2025-09-30 | 2025-11-14 | $1.11B | 15 | 0001172661-25-004966 |