Telemark Asset Management, LLC reported 55 positions worth $1.28B for the quarter ended Jun 30, 2026, up 31.7% on the prior quarter. It opened 6 new positions, added to 9, trimmed 5 and exited 2. Its largest holding is Nvidia Corp at 9.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| WCN Waste Connections, Inc. | +100.0K | +100.0% | $16.67M | 2.6% |
| ODFL Old Dominion Freight Line, Inc. | +70.0K | – | $15.16M | 1.18% |
| MRNA Moderna, Inc. | +200.0K | +40.0% | $14.01M | 3.83% |
| LPTH Lightpath Technologies Inc | +640.0K | +166.2% | $10.46M | 1.31% |
| ROG Rogers Corp | +50.0K | – | $8.19M | 0.639% |
| NOVT Novanta Inc | +50.0K | +13.3% | $8.11M | 5.38% |
| FLEX Flex Ltd. | +50.0K | – | $8.10M | 0.633% |
| KNX Knight-Swift Transportation Holdings Inc. | +100.0K | – | $7.79M | 0.608% |
| GRMN Garmin Ltd | +25.0K | +50.0% | $5.94M | 1.39% |
| PLTR Palantir Technologies Inc. | +50.0K | +25.0% | $5.83M | 2.28% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| CAMT Camtek Ltd | -70.0K | -100.0% | $10.61M | Exited |
| GLW Corning Inc | -35.0K | -17.5% | $8.94M | 3.29% |
| AMAT Applied Materials Inc | -10.0K | -25.0% | $7.23M | 1.69% |
| LRCX Lam Research Corp | -10.0K | -20.0% | $4.33M | 1.35% |
| BWXT BWX Technologies, Inc. | -20.0K | -20.0% | $3.89M | 1.22% |
| EPAC Enerpac Tool Group Corp | -100.0K | -100.0% | $3.65M | Exited |
| MOD Modine Manufacturing Co | -10.0K | -12.5% | $2.67M | 1.46% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| ODFL Old Dominion Freight Line, Inc. | +70.0K | $15.16M | 1.18% |
| ROG Rogers Corp | +50.0K | $8.19M | 0.639% |
| FLEX Flex Ltd. | +50.0K | $8.10M | 0.633% |
| KNX Knight-Swift Transportation Holdings Inc. | +100.0K | $7.79M | 0.608% |
| PTEN Patterson Uti Energy Inc | +500.0K | $4.59M | 0.358% |
| HLIO Helios Technologies, Inc. | +50.0K | $4.46M | 0.349% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 600.0K | $120.05M | 9.38% | 0 | 0.0% | Unchanged | 0% |
| 2 | NOVT Novanta Inc | Industrials | 425.0K | $68.95M | 5.38% | +50.0K | +13.3% | Added | 1.05% |
| 3 | HEI Heico Corp | Industrials | 140.0K | $49.87M | 3.89% | 0 | 0.0% | Unchanged | 0.25% |
| 4 | MRNA Moderna, Inc. | Healthcare | 700.0K | $49.02M | 3.83% | +200.0K | +40.0% | Added | 0.18% |
| 5 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 100.0K | $47.76M | 3.73% | 0 | 0.0% | Unchanged | 0% |
| 6 | AMZN Amazon Com Inc | Consumer Discretionary | 200.0K | $47.67M | 3.72% | 0 | 0.0% | Unchanged | 0% |
| 7 | GLW Corning Inc | Basic Materials | 165.0K | $42.15M | 3.29% | -35.0K | -17.5% | Reduced | 0.02% |
| 8 | HAL Halliburton Co | Energy | 1.20M | $40.74M | 3.18% | 0 | 0.0% | Unchanged | 0.14% |
| 9 | TER Teradyne, Inc | Technology | 75.0K | $36.29M | 2.83% | +5,000 | +7.1% | Added | 0.05% |
| 10 | WCN Waste Connections, Inc. | Industrials | 200.0K | $33.34M | 2.6% | +100.0K | +100.0% | Added | 0.08% |
| 11 | HEI-A Heico Corp | Industrials | 125.0K | $32.24M | 2.52% | 0 | 0.0% | Unchanged | 0.15% |
| 12 | CAT Caterpillar Inc | Industrials | 30.0K | $31.95M | 2.49% | 0 | 0.0% | Unchanged | 0.01% |
| 13 | DOCN DigitalOcean Holdings, Inc. | Technology | 200.0K | $31.41M | 2.45% | 0 | 0.0% | Unchanged | 0.19% |
| 14 | KOPN Kopin Corp | Technology | 7.00M | $31.36M | 2.45% | 0 | 0.0% | Unchanged | 3.72% |
| 15 | CLH Clean Harbors Inc | Industrials | 100.0K | $29.88M | 2.33% | 0 | 0.0% | Unchanged | 0.19% |
Tip. Select a row to see that position’s full history at Telemark Asset Management.
As of its Q2 2026 13F filing, Telemark Asset Management, LLC’s five largest positions were Nvidia Corp (NVDA) at 9.4%, Novanta Inc (NOVT) at 5.4%, Heico Corp (HEI) at 3.9%, Moderna, Inc. (MRNA) at 3.8%, Taiwan Semiconductor Manufacturing Co Ltd (TSM) at 3.7% of the reported portfolio.
Telemark Asset Management, LLC reported a 13F portfolio worth $1.28B across 55 positions for Q2 2026. That is up 31.7% from the previous quarter.
Its largest purchases by value were Waste Connections, Inc. ($16.67M), Old Dominion Freight Line, Inc. ($15.16M), Moderna, Inc. ($14.01M). It opened 6 new positions.
Its largest sales by value were Camtek Ltd ($10.61M), Corning Inc ($8.94M), Applied Materials Inc ($7.23M). It exited 2 positions entirely.
From the Form 13F-HR reports Telemark Asset Management, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.