Telemark Asset Management, LLC — 13F Holdings & Portfolio
CIK 1420816 · latest 13F-HR filed 2026-08-10
Telemark Asset Management, LLC manages $1.38B in 13F-reported U.S. long-equity assets across 57 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (8.67%), CCJ (6.62%), NOVT (4.98%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 6 new positions, exited 2, added to 35, and trimmed 9.
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.
$1.38B
Long-equity book
57
Distinct positions
2026-06-30
Filed 2026-08-10
+6 / −2 / ↑35 / ↓9
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Share-count changes vs the prior 13F.
Top Adds (vs prior quarter)
- NOVANTA INC$24.7M +55.7%
- MODERNA INC$23.6M +93.0%
- WASTE CONNECTIONS INC$17.1M +105.2%
- KOPIN CORP$15.6M +99.1%
- TERADYNE INC$15.5M +74.9%
Top Trims
- CAMECO CORP-$6.1M -6.2%
- HALLIBURTON CO-$6.0M -12.9%
- BWX TECHNOLOGIES INC-$4.9M -23.8%
- FRANCO NEV CORP-$3.9M -15.6%
- SLB LIMITED-$2.9M -9.5%
New Positions
- OLD DOMINION FREIGHT LINE IN$15.2M
- ROGERS CORP$8.2M
- FLEX LTD$8.1M
- KNIGHT-SWIFT TRANSN HLDGS IN$7.8M
- PATTERSON-UTI ENERGY INC$4.6M
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 | NVIDIA CORPORATION | NVDA | 67066G104 | $120.1M | 8.67% | 600,000 | SH |
| 2 | CAMECO CORP | CCJ | 13321L108 | $91.7M | 6.62% | 900,000 | SH |
| 3 | NOVANTA INC | NOVT | 67000B104 | $69.0M | 4.98% | 425,000 | SH |
| 4 | HEICO CORP NEW | HEI | 422806109 | $49.9M | 3.60% | 140,000 | SH |
| 5 | MODERNA INC | MRNA | 60770K107 | $49.0M | 3.54% | 700,000 | SH |
| 6 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $47.8M | 3.45% | 100,000 | SH |
| 7 | AMAZON COM INC | AMZN | 023135106 | $47.7M | 3.44% | 200,000 | SH |
| 8 | CORNING INC | GLW | 219350105 | $42.1M | 3.05% | 165,000 | SH |
| 9 | HALLIBURTON CO | HAL | 406216101 | $40.7M | 2.94% | 1,200,000 | SH |
| 10 | TERADYNE INC | TER | 880770102 | $36.3M | 2.62% | 75,000 | SH |
| 11 | WASTE CONNECTIONS INC | WCN | 94106B101 | $33.3M | 2.41% | 200,000 | SH |
| 12 | HEICO CORP NEW | HEI.A | 422806208 | $32.2M | 2.33% | 125,000 | SH |
| 13 | CATERPILLAR INC | CAT | 149123101 | $31.9M | 2.31% | 30,000 | SH |
| 14 | DIGITALOCEAN HLDGS INC | DOCN | 25402D102 | $31.4M | 2.27% | 200,000 | SH |
| 15 | KOPIN CORP | KOPN | 500600101 | $31.4M | 2.27% | 7,000,000 | SH |
| 16 | CLEAN HARBORS INC | CLH | 184496107 | $29.9M | 2.16% | 100,000 | SH |
| 17 | PALANTIR TECHNOLOGIES INC | PLTR | 69608A108 | $29.2M | 2.11% | 250,000 | SH |
| 18 | SLB LIMITED | SLB | 806857108 | $27.9M | 2.02% | 600,000 | SH |
| 19 | ANALOG DEVICES INC | ADI | 032654105 | $27.8M | 2.01% | 70,000 | SH |
| 20 | AMERICAN SUPERCONDUCTOR CORP | AMSC | 030111207 | $24.9M | 1.80% | 600,000 | SH |
| 21 | TEXAS INSTRS INC | TXN | 882508104 | $23.8M | 1.72% | 80,000 | SH |
| 22 | BAKER HUGHES COMPANY | BKR | 05722G100 | $22.2M | 1.60% | 400,000 | SH |
| 23 | APPLIED MATLS INC | AMAT | 038222105 | $21.7M | 1.57% | 30,000 | SH |
| 24 | FRANCO NEV CORP | FNV | 351858105 | $20.8M | 1.51% | 100,000 | SH |
| 25 | ALLIENT INC | ALNT | 019330109 | $20.6M | 1.49% | 200,000 | SH |
| 26 | ASML HLDG NV | ASML | N07059210 | $19.9M | 1.44% | 10,000 | SH |
| 27 | ALMONTY INDS INC | ALM | 020398707 | $19.9M | 1.44% | 1,200,000 | SH |
| 28 | ANDERSEN GROUP INC | ANDG | 033853102 | $18.9M | 1.36% | 500,000 | SH |
| 29 | MODINE MFG CO | MOD | 607828100 | $18.7M | 1.35% | 70,000 | SH |
| 30 | ALPHABET INC | GOOGL | 02079K305 | $17.9M | 1.29% | 50,000 | SH |
| 31 | GARMIN LTD | GRMN | H2906T109 | $17.8M | 1.29% | 75,000 | SH |
| 32 | LAM RESEARCH CORP | LRCX | 512807306 | $17.3M | 1.25% | 40,000 | SH |
| 33 | META PLATFORMS INC | META | 30303M102 | $16.9M | 1.22% | 30,000 | SH |
| 34 | LIGHTPATH TECHNOLOGIES INC | LPTH | 532257805 | $16.8M | 1.21% | 1,025,000 | SH |
| 35 | BWX TECHNOLOGIES INC | BWXT | 05605H100 | $15.6M | 1.13% | 80,000 | SH |
| 36 | OLD DOMINION FREIGHT LINE IN | ODFL | 679580100 | $15.2M | 1.10% | 70,000 | SH |
| 37 | BRIGHTVIEW HLDGS INC | BV | 10948C107 | $12.0M | 0.87% | 850,000 | SH |
| 38 | D-WAVE QUANTUM INC | QBTS | 26740W109 | $12.0M | 0.87% | 500,000 | SH |
| 39 | NEXTPOWER INC | NXT | 65290E101 | $11.9M | 0.86% | 100,000 | SH |
| 40 | AXON ENTERPRISE INC | AXON | 05464C101 | $11.2M | 0.81% | 20,000 | SH |
| 41 | BIODESIX INC | BDSX | 09075X207 | $11.0M | 0.80% | 489,824 | SH |
| 42 | KAROOOOO LTD | KARO | Y4600W108 | $10.6M | 0.77% | 215,150 | SH |
| 43 | TWILIO INC | TWLO | 90138F102 | $10.3M | 0.75% | 50,000 | SH |
| 44 | APPLOVIN CORP | APP | 03831W108 | $10.3M | 0.74% | 20,000 | SH |
| 45 | SHOPIFY INC | SHOP | 82509L107 | $10.3M | 0.74% | 90,000 | SH |
| 46 | TRIMBLE INC | TRMB | 896239100 | $10.2M | 0.74% | 200,000 | SH |
| 47 | HILLMAN SOLUTIONS CORP | HLMN | 431636109 | $9.3M | 0.67% | 1,100,000 | SH |
| 48 | ORMAT TECHNOLOGIES INC | ORA | 686688102 | $8.7M | 0.63% | 80,000 | SH |
| 49 | CODEXIS INC | CDXS | 192005106 | $8.7M | 0.63% | 3,846,411 | SH |
| 50 | ROGERS CORP | ROG | 775133101 | $8.2M | 0.59% | 50,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-10 | $1.38B | 57 | 0000898432-26-000612 |
| 2026-03-31 | 2026-05-12 | $1.08B | 53 | 0000898432-26-000352 |
| 2025-12-31 | 2026-02-11 | $1.00B | 56 | 0000898432-26-000088 |
| 2025-09-30 | 2025-11-10 | $1.05B | 47 | 0000898432-25-000879 |
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