Telemark Asset Management, LLC
CIK 1420816 · View on SEC EDGAR ↗
- Portfolio value
- $1.4B
- Positions
- 57
- As of
- June 30, 2026
Portfolio value QoQ: +27.9% 13F does not disclose cash
- Top 10 holdings weight
- 42.93%
- Top 25 holdings weight
- 72.49%
- Positions above 1%
- 36
- Effective number of positions
- 32.8
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 3.35% Est. buys $118,146,200 · sells $41,326,250
Median holding: 3.0 quarters Tracked Q4 2024–Q2 2026 · 53.8% still held
- New positions
- 6
- Increased
- 9
- Decreased
- 5
- Closed
- 2
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +24.7% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 96.6% · Options excluded: 2.7%
Sector breakdown
Full portfolio 57 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| NVDA NVIDIA Corporation - Common Stock | $120,054,000 | 8.67% | 600,000 | $15,414,000 | |||
| CCJ Cameco Corporation Common Stock | $91,674,000 | 6.62% | 900,000 | $-6,075,000 | |||
| NOVT Novanta Inc. - Common Shares | $68,952,000 | 4.98% | 425,000 | $24,660,750 | Up ×1 | ||
| HEI Heico Corporation Common Stock | $49,866,600 | 3.60% | 140,000 | $11,478,600 | |||
| MRNA Moderna, Inc. - Common Stock | $49,021,000 | 3.54% | 700,000 | $23,621,000 | Up ×1 | ||
| TSM Taiwan Semiconductor Manufacturing Company Ltd. | $47,757,000 | 3.45% | 100,000 | $13,962,000 | |||
| AMZN Amazon.com, Inc. - Common Stock | $47,668,000 | 3.44% | 200,000 | $6,014,000 | |||
| GLW Corning Incorporated Common Stock | $42,145,950 | 3.05% | 165,000 | $14,951,950 | Down ×1 | ||
| HAL Halliburton Company Common Stock | $40,740,000 | 2.94% | 1,200,000 | $-6,048,000 | |||
| TER Teradyne, Inc. - Common Stock | $36,288,000 | 2.62% | 75,000 | $15,535,800 | Up ×1 | ||
| WCN Waste Connections, Inc. Common Shares | $33,338,000 | 2.41% | 200,000 | $17,094,000 | Up ×1 | ||
| HEIA | $32,238,750 | 2.33% | 125,000 | $5,852,500 | |||
| CAT Caterpillar, Inc. Common Stock | $31,947,000 | 2.31% | 30,000 | $10,693,200 | |||
| DOCN DigitalOcean Holdings, Inc. Common Stock | $31,406,000 | 2.27% | 200,000 | $14,250,000 | |||
| KOPN Kopin Corporation - Common Stock | $31,360,000 | 2.27% | 7,000,000 | $15,610,000 | |||
| CLH Clean Harbors, Inc. Common Stock | $29,875,000 | 2.16% | 100,000 | $1,202,000 | |||
| PLTR Palantir Technologies Inc. - Class A Common Stock | $29,167,500 | 2.11% | 250,000 | $-88,500 | Up ×2 | ||
| SLB SLB Limited Common Shares | $27,894,000 | 2.02% | 600,000 | $-2,940,000 | |||
| ADI Analog Devices, Inc. - Common Stock | $27,801,900 | 2.01% | 70,000 | $5,532,100 | |||
| AMSC American Superconductor Corporation - Common Stock | $24,906,000 | 1.80% | 600,000 | $4,596,000 | |||
| TXN Texas Instruments Incorporated - Common Stock | $23,845,600 | 1.72% | 80,000 | $8,314,400 | |||
| BKR Baker Hughes Company - Common Stock | $22,200,000 | 1.60% | 400,000 | $-2,220,000 | |||
| AMAT Applied Materials, Inc. - Common Stock | $21,690,000 | 1.57% | 30,000 | $8,018,400 | Down ×1 | ||
| FNV Franco-Nevada Corporation | $20,844,000 | 1.51% | 100,000 | $-3,861,000 | |||
| ALNT Allient Inc. - Common Stock | $20,586,000 | 1.49% | 200,000 | $11,722,500 | Up ×1 | ||
| ASML ASML Holding N.V. - New York Registry Shares | $19,894,400 | 1.44% | 10,000 | $6,686,100 | |||
| ALM Almonty Industries Inc. - Common Shares | $19,872,000 | 1.44% | 1,200,000 | $2,496,000 | |||
| ANDG Andersen Group Inc. Class A Common Stock | $18,860,000 | 1.36% | 500,000 | $5,260,000 | |||
| MOD Modine Manufacturing Company Common Stock | $18,691,400 | 1.35% | 70,000 | $1,354,600 | Down ×2 | ||
| GOOGL Alphabet Inc. - Class A Common Stock | $17,868,500 | 1.29% | 50,000 | $3,490,500 | |||
| GRMN Garmin Ltd. Common Stock (Switzerland) | $17,815,500 | 1.29% | 75,000 | $6,215,000 | Up ×1 | ||
| LRCX Lam Research Corporation - Common Stock | $17,333,200 | 1.25% | 40,000 | $6,650,200 | Down ×1 | ||
| META Meta Platforms, Inc. - Class A Common Stock | $16,898,700 | 1.22% | 30,000 | $-265,200 | |||
| LPTH LightPath Technologies, Inc. - Class A Common Stock | $16,758,750 | 1.21% | 1,025,000 | $12,897,200 | Up ×1 | ||
| BWXT BWX Technologies, Inc. Common Stock | $15,572,000 | 1.13% | 80,000 | $-4,877,000 | Down ×1 | ||
| ODFL Old Dominion Freight Line, Inc. - Common Stock | $15,162,000 | 1.10% | 70,000 | Up ×1 | |||
| BV BrightView Holdings, Inc. Common Stock | $12,044,500 | 0.87% | 850,000 | $2,023,000 | |||
| QBTS D-Wave Quantum Inc. Common Shares | $11,995,000 | 0.87% | 500,000 | $4,780,000 | |||
| NXT Nextpower Inc. - Class A Common Stock | $11,914,000 | 0.86% | 100,000 | $-141,000 | |||
| AXON Axon Enterprise, Inc. - Common Stock | $11,212,200 | 0.81% | 20,000 | $2,718,400 | |||
| BDSX Biodesix, Inc. - Common Stock | $11,045,531 | 0.80% | 489,824 | $3,943,083 | |||
| KARO Karooooo Ltd. - Ordinary shares | $10,619,804 | 0.77% | 215,150 | $-103,272 | |||
| TWLO Twilio Inc. Class A Common Stock | $10,316,500 | 0.75% | 50,000 | $4,025,500 | |||
| APP Applovin Corporation - Class A Common Stock | $10,304,600 | 0.74% | 20,000 | $2,344,600 | |||
| SHOP Shopify Inc. - Class A Subordinate Voting Shares | $10,276,200 | 0.74% | 90,000 | $-399,600 | |||
| TRMB Trimble Inc. - Common Stock | $10,236,000 | 0.74% | 200,000 | $-2,810,000 | |||
| HLMN Hillman Solutions Corp. - Common Stock | $9,284,000 | 0.67% | 1,100,000 | $1,380,000 | Up ×1 | ||
| ORA Ormat Technologies, Inc. Common Stock | $8,712,000 | 0.63% | 80,000 | $-241,600 | |||
| CDXS Codexis, Inc. - Common Stock | $8,692,889 | 0.63% | 3,846,411 | $2,423,239 | |||
| ROG Rogers Corporation Common Stock | $8,186,500 | 0.59% | 50,000 | Up ×1 | |||
| FLEX Flex Ltd. - Ordinary Shares | $8,103,500 | 0.59% | 50,000 | Up ×1 | |||
| KNX Knight-Swift Transportation Holdings Inc. | $7,787,000 | 0.56% | 100,000 | Up ×1 | |||
| ASPN Aspen Aerogels, Inc. Common Stock | $6,340,000 | 0.46% | 1,000,000 | $2,920,000 | |||
| OVV Ovintiv Inc. (DE) | $5,265,000 | 0.38% | 100,000 | $-671,000 | |||
| NXE Nexgen Energy Ltd. Common Shares | $4,695,000 | 0.34% | 500,000 | $-1,105,000 | |||
| PTEN Patterson-UTI Energy, Inc. - Common Stock | $4,590,000 | 0.33% | 500,000 | Up ×1 | |||
| HLIO Helios Technologies, Inc. Common Stock | $4,462,500 | 0.32% | 50,000 | Up ×1 | |||
| No matches | |||||||
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| NOVT | Bought more | +50K | +$24.7M |
| MRNA | Bought more | +200K | +$23.6M |
| WCN | Bought more | +100K | +$17.1M |
| KOPN | Price move only | +0 | +$15.6M |
| TER | Bought more | +5K | +$15.5M |
| NVDA | Price move only | +0 | +$15.4M |
| GLW | Trimmed | -35K | +$15.0M |
| DOCN | Price move only | +0 | +$14.2M |
| TSM | Price move only | +0 | +$14.0M |
| LPTH | Bought more | +640K | +$12.9M |
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| CSGP | Dec. 31, 2025 | 550,000 | $46,403,500 | -52.4% |
| NOW | March 31, 2025 | 25,000 | $26,503,000 | -18.6% |
| BILL | March 31, 2025 | 300,000 | $25,413,000 | 3.2% |
| MCHP | March 31, 2026 | 350,000 | $22,302,000 | 18.1% |
| BA | Sept. 30, 2025 | 100,000 | $20,953,000 | -0.6% |
| TWLO | Dec. 31, 2025 | 200,000 | $20,018,000 | 52.8% |
| VRTX | June 30, 2025 | 40,000 | $19,392,800 | 22.8% |
| MDB | March 31, 2026 | 40,000 | $16,787,600 | 71.0% |
| EQT | March 31, 2026 | 300,000 | $16,080,000 | -15.4% |
| IOSP | March 31, 2025 | 140,000 | $15,408,400 | -1.4% |
| MSFT | March 31, 2026 | 30,000 | $14,508,600 | 30.2% |
| VRT | March 31, 2025 | 120,000 | $13,633,200 | 266.0% |
| CRH | June 30, 2025 | 150,000 | $13,195,500 | 3.0% |
| FSLR | March 31, 2026 | 50,000 | $13,061,500 | 8.9% |
| WGS | March 31, 2026 | 100,000 | $13,006,000 | 26.7% |
| FFIV | Dec. 31, 2025 | 40,000 | $12,927,600 | 48.5% |
| MRNA | Dec. 31, 2025 | 500,000 | $12,915,000 | 385.3% |
| SHLS | March 31, 2026 | 1,500,000 | $12,750,000 | 10.5% |
| MSFT | March 31, 2025 | 30,000 | $12,645,000 | 28.4% |
| MT | Sept. 30, 2025 | 400,000 | $12,632,000 | 104.4% |
| NXE | March 31, 2025 | 1,800,000 | $11,880,000 | 138.5% |
| MIR | March 31, 2026 | 500,000 | $11,710,000 | -18.1% |
| OSIS | Sept. 30, 2025 | 50,000 | $11,243,000 | -21.8% |
| AMT | June 30, 2025 | 50,000 | $10,880,000 | -20.1% |
| CAMT | June 30, 2026 | 70,000 | $10,612,700 | -8.5% |
| RRC | March 31, 2026 | 300,000 | $10,578,000 | -9.9% |
| AAPL | March 31, 2025 | 40,000 | $10,016,800 | 38.7% |
| DE | June 30, 2025 | 20,000 | $9,387,000 | 22.7% |
| BILL | Sept. 30, 2025 | 200,000 | $9,252,000 | -10.6% |
| SNOW | Dec. 31, 2025 | 40,000 | $9,022,000 | 44.0% |
| WGS | June 30, 2025 | 100,000 | $8,856,500 | -11.9% |
| TEAM | June 30, 2025 | 40,000 | $8,488,400 | -16.2% |
| EA | March 31, 2025 | 50,000 | $7,315,000 | No longer tracked |
| CLBT | March 31, 2026 | 400,000 | $7,212,000 | -18.3% |
| HUBS | March 31, 2025 | 10,000 | $6,967,700 | -59.1% |
| CRM | March 31, 2025 | 20,000 | $6,686,600 | -23.4% |
| SNX | March 31, 2025 | 50,000 | $5,864,000 | 143.0% |
| BETA | March 31, 2026 | 200,000 | $5,642,000 | 73.5% |
| ARM | March 31, 2026 | 50,000 | $5,465,500 | 65.8% |
| NXT | Sept. 30, 2025 | 100,000 | $5,437,000 | 18.7% |
| TWLO | March 31, 2025 | 50,000 | $5,404,000 | 122.0% |
| TXN | March 31, 2025 | 25,000 | $4,687,750 | 47.5% |
| CCC | June 30, 2025 | 500,000 | $4,515,000 | -21.4% |
| VRRM | June 30, 2025 | 200,000 | $4,502,000 | -81.9% |
| ASPI | March 31, 2026 | 825,000 | $4,413,750 | -7.5% |
| KVYO | March 31, 2025 | 100,000 | $4,124,000 | -40.8% |
| RIVN | March 31, 2026 | 200,000 | $3,942,000 | 8.5% |
| AMPS | March 31, 2025 | 910,000 | $3,703,700 | No longer tracked |
| EPAC | June 30, 2026 | 100,000 | $3,647,000 | 3.8% |
| TTGT | March 31, 2025 | 150,000 | $2,973,000 | -74.6% |
| ARRY | Sept. 30, 2025 | 500,000 | $2,950,000 | -41.8% |
| RXST | June 30, 2025 | 100,000 | $2,525,000 | -53.4% |
| DORM | Sept. 30, 2025 | 20,000 | $2,453,400 | -15.2% |
| BDSXXXXX | Sept. 30, 2025 | 8,282,490 | $2,337,319 | No longer tracked |
| ARBE | Sept. 30, 2025 | 1,150,000 | $2,047,000 | -53.9% |
| SMWB | June 30, 2025 | 230,000 | $1,902,100 | 2.9% |
| KRNT | June 30, 2025 | 70,000 | $1,335,600 | -15.9% |