Telemark Asset Management, LLC 13F holdings, Q3 2025
Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →
Telemark Asset Management, LLC disclosed 47 US equity positions worth $1.1bn in its Q3 2025 13F filing. The largest position was NVDA at 10.6% of the reported book, followed by CCJ and CSGP. Against the Q2 2025 filing, it opened 8 new positions, added to 11 and reduced 5 among the top 47 holdings.
What did Telemark Asset Management, LLC own in Q3 2025? Top 47 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q2 2025 |
|---|---|---|---|---|---|---|---|
| 1 | NVDA NVIDIA CORPORATION | Technology | 10.6% | $111.9m | 600,000 | 0% | held |
| 2 | CCJ CAMECO CORP | Energy | 8.0% | $83.9m | 1,000,000 | 0% | held |
| 3 | CSGP COSTAR GROUP INC | Real Estate | 4.4% | $46.4m | 550,000 | 0% | held |
| 4 | HEI HEICO CORP NEW | Industrials | 4.3% | $45.2m | 140,000 | 0% | held |
| 5 | META META PLATFORMS INC | Communication Services | 4.2% | $44.1m | 60,000 | 0% | held |
| 6 | AMZN AMAZON COM INC | Consumer Cyclical | 4.2% | $43.9m | 200,000 | 0% | held |
| 7 | AMSC AMERICAN SUPERCONDUCTOR CORP | Industrials | 3.9% | $41.0m | 690,000 | 0% | held |
| 8 | TSM TAIWAN SEMICONDUCTOR MFG LTD | Technology | 3.2% | $33.5m | 120,000 | 0% | held |
| 9 | FNV FRANCO NEV CORP | Basic Materials | 3.2% | $33.4m | 150,000 | 50% | added |
| 10 | HEI/A HEICO CORP NEW | 3.0% | $31.8m | 125,000 | 0% | held | |
| 11 | WCN WASTE CONNECTIONS INC | Industrials | 2.5% | $26.4m | 150,000 | 0% | held |
| 12 | CLH CLEAN HARBORS INC | Industrials | 2.4% | $25.5m | 110,000 | 0% | held |
| 13 | NOVT NOVANTA INC | Technology | 2.4% | $25.0m | 250,000 | 67% | added |
| 14 | GRMN GARMIN LTD | Technology | 2.3% | $24.6m | 100,000 | 0% | held |
| 15 | ADI ANALOG DEVICES INC | Technology | 2.3% | $24.6m | 100,000 | 25% | added |
| 16 | TRMB TRIMBLE INC | Technology | 2.3% | $24.5m | 300,000 | 0% | held |
| 17 | EQT EQT CORP | Energy | 2.3% | $24.5m | 450,000 | -10% | reduced |
| 18 | BWXT BWX TECHNOLOGIES INC | Industrials | 2.2% | $23.0m | 125,000 | 25% | added |
| 19 | RRC RANGE RES CORP | Energy | 2.1% | $22.6m | 600,000 | -14% | reduced |
| 20 | AXON AXON ENTERPRISE INC | Industrials | 2.0% | $21.5m | 30,000 | 0% | held |
| 21 | TWLO TWILIO INC | Technology | 1.9% | $20.0m | 200,000 | 100% | added |
| 22 | GLW CORNING INC | Technology | 1.9% | $19.7m | 240,000 | 0% | held |
| 23 | SHOP SHOPIFY INC | Technology | 1.8% | $19.3m | 130,000 | 30% | added |
| 24 | MCHP MICROCHIP TECHNOLOGY INC. | Technology | 1.8% | $19.3m | 300,000 | 50% | added |
| 25 | BV BRIGHTVIEW HLDGS INC | 1.5% | $15.4m | 1,150,000 | 0% | held | |
| 26 | WGS GENEDX HOLDINGS CORP | Healthcare | 1.2% | $12.9m | 120,000 | – | new |
| 27 | FFIV F5 INC | Technology | 1.2% | $12.9m | 40,000 | 0% | held |
| 28 | MRNA MODERNA INC | Healthcare | 1.2% | $12.9m | 500,000 | – | new |
| 29 | KARO KAROOOOO LTD | 1.2% | $12.9m | 225,150 | 0% | held | |
| 30 | ASPI ASP ISOTOPES INC | 1.2% | $12.7m | 1,325,000 | -7% | reduced | |
| 31 | ASPN ASPEN AEROGELS INC | Basic Materials | 1.2% | $12.5m | 1,792,424 | 0% | held |
| 32 | GOOGL ALPHABET INC | Communication Services | 1.2% | $12.2m | 50,000 | 67% | added |
| 33 | KOPN KOPIN CORP | 1.2% | $12.2m | 5,000,000 | 25% | added | |
| 34 | MIR MIRION TECHNOLOGIES INC | Industrials | 1.1% | $11.6m | 500,000 | 0% | held |
| 35 | CLBT CELLEBRITE DI LTD | Technology | 1.1% | $11.1m | 600,000 | 20% | added |
| 36 | CDXS CODEXIS INC | Healthcare | 0.9% | $9.8m | 4,000,000 | 0% | held |
| 37 | TER TERADYNE INC | Technology | 0.9% | $9.6m | 70,000 | – | new |
| 38 | HLMN HILLMAN SOLUTIONS CORP | Industrials | 0.9% | $9.2m | 1,000,000 | 0% | held |
| 39 | SNOW SNOWFLAKE INC | Technology | 0.9% | $9.0m | 40,000 | – | new |
| 40 | ALM ALMONTY INDS INC | 0.7% | $7.8m | 1,300,000 | – | new | |
| 41 | SHLS SHOALS TECHNOLOGIES GROUP IN | Technology | 0.7% | $7.4m | 1,000,000 | 100% | added |
| 42 | ARM ARM HOLDINGS PLC | Technology | 0.7% | $7.1m | 50,000 | -50% | reduced |
| 43 | MSFT MICROSOFT CORP | Technology | 0.5% | $5.2m | 10,000 | 0% | held |
| 44 | ASML ASML HOLDING N V | Technology | 0.4% | $3.9m | 4,000 | -60% | reduced |
| 45 | LRCX LAM RESEARCH CORP | Technology | 0.3% | $3.3m | 25,000 | – | new |
| 46 | CAMT CAMTEK LTD | Technology | 0.3% | $3.2m | 30,000 | – | new |
| 47 | BDSX BIODESIX INC | 0.3% | $3.1m | 414,124 | – | new |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.