Institutional Manager · CIK 0001550660
OAKTOP CAPITAL MANAGEMENT II, L.P.
Chatham, NJ · File #028-14989
Latest AUM
$1.18B
Positions
13
Top-10 Concentration
98.3%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | LAM RESEARCH CORP | LRCX | -300,676 | -$51.5M | +$100.3M |
| REDUCE | KLA CORP | KLAC | -18,137 | -$22.0M | +$44.9M |
| ADD | PINTEREST INC | PINS | +300,000 | +$7.8M | -$2.2M |
| EXITED | CARPARTS COM INC | 14427M107 | -4,597,302 | -$3.3M | $0 |
| EXITED | PETMED EXPRESS INC | 716382106 | -435,844 | -$1.1M | $0 |
| REDUCE | ANALOG DEVICES INC | ADI | 0 | $0 | +$11.9M |
| REDUCE | ASPEN AEROGELS INC | ASPN | 0 | $0 | -$18.1M |
| REDUCE | BRISTOL-MYERS SQUIBB CO | CELG-RI | 0 | $0 | +$4.2M |
| REDUCE | BROADCOM INC | AVGO | 0 | $0 | +$5.9M |
| REDUCE | CEVA INC | CEVA | 0 | $0 | -$2.2M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202513 pos · $1.18B
- 13F HOLDINGS REPORTQ/E Sep 202515 pos · $1.11B
- 13F HOLDINGS REPORTQ/E Jun 202515 pos · $929.6M
- 13F HOLDINGS REPORTQ/E Mar 202515 pos · $750.8M
- 13F HOLDINGS REPORTQ/E Dec 202415 pos · $800.8M
- 13F HOLDINGS REPORTQ/E Sep 202415 pos · $916.3M
- 13F HOLDINGS REPORTQ/E Jun 202416 pos · $976.5M
- 13F HOLDINGS REPORTQ/E Mar 202415 pos · $865.4M
- 13F HOLDINGS REPORTQ/E Dec 202314 pos · $599.3M
Top 13 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | LAM RESEARCH CORP | LRCX | 2,390,784 | $409.3M | 34.68% |
| 2 | KLA CORP | KLAC | 310,738 | $377.6M | 32.00% |
| 3 | ANALOG DEVICES INC | ADI | 466,196 | $126.4M | 10.72% |
| 4 | BROADCOM INC | AVGO | 362,760 | $125.6M | 10.64% |
| 5 | EGAIN CORP | EGAN | 2,671,843 | $27.5M | 2.33% |
| 6 | BRISTOL-MYERS SQUIBB CO | CELG-RI | 479,991 | $25.9M | 2.19% |
| 7 | PROGRESS SOFTWARE CORP | 743312100 | 508,608 | $21.8M | 1.85% |
| 8 | PINTEREST INC | PINS | 650,000 | $16.8M | 1.43% |
| 9 | DELL TECHNOLOGIES INC | DELL | 130,619 | $16.4M | 1.39% |
| 10 | ASPEN AEROGELS INC | ASPN | 4,394,525 | $12.4M | 1.05% |
| 11 | GARMIN LTD | GRMN | 48,000 | $9.7M | 0.83% |
| 12 | CEVA INC | CEVA | 446,377 | $9.6M | 0.81% |
| 13 | INTEL CORP | INTC | 23,010 | $849,069 | 0.07% |