Telemark Asset Management, LLC
An institutional investment manager in BOSTON, MA. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 10, 2026. SEC CIK 1420816.
- Reported value$1.38bn
- Positions57
Holdings: 57 positions
The filing on sec.govAs filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.
| Issuer | Class | CUSIP | Reported value$m | Weight | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|---|---|
| Nvidia CorporationNVDA | COM | 67066G104 | 120 | 8.7% | 600,000 | Unchanged | |
| Cameco CorpCCJ | COM | 13321L108 | 91.7 | 6.6% | 900,000 | Unchanged | |
| Novanta IncNOVT | COM | 67000B104 | 69.0 | 5.0% | 425,000 | Added+50,000 | |
| Heico Corp NewHEI | COM | 422806109 | 49.9 | 3.6% | 140,000 | Unchanged | |
| Moderna IncMRNA | COM | 60770K107 | 49.0 | 3.5% | 700,000 | Added+200,000 | |
| Taiwan Semiconductor ManufacTSM | SPONSORED ADS | 874039100 | 47.8 | 3.5% | 100,000 | Unchanged | |
| Amazon Com IncAMZN | COM | 023135106 | 47.7 | 3.4% | 200,000 | Unchanged | |
| Corning IncGLW | COM | 219350105 | 42.1 | 3.0% | 165,000 | Reduced−35,000 | |
| Halliburton CoHAL | COM | 406216101 | 40.7 | 2.9% | 1,200,000 | Unchanged | |
| Teradyne IncTER | COM | 880770102 | 36.3 | 2.6% | 75,000 | Added+5,000 | |
| Waste Connections IncWCN | COM | 94106B101 | 33.3 | 2.4% | 200,000 | Added+100,000 | |
| Heico Corp NewHEI | CL A | 422806208 | 32.2 | 2.3% | 125,000 | Unchanged | |
| Caterpillar IncCAT | COM | 149123101 | 31.9 | 2.3% | 30,000 | Unchanged | |
| Digitalocean Holdings IncDOCN | COM | 25402D102 | 31.4 | 2.3% | 200,000 | Unchanged | |
| Kopin CorpKOPN | COM | 500600101 | 31.4 | 2.3% | 7,000,000 | Unchanged | |
| Clean Harbors IncCLH | COM | 184496107 | 29.9 | 2.2% | 100,000 | Unchanged | |
| Palantir Technologies IncPLTR | CL A | 69608A108 | 29.2 | 2.1% | 250,000 | Added+50,000 | |
| SLB LimitedSLB | COM STK | 806857108 | 27.9 | 2.0% | 600,000 | Unchanged | |
| Analog Devices IncADI | COM | 032654105 | 27.8 | 2.0% | 70,000 | Unchanged | |
| American Superconductor CorpAMSC | SHS NEW | 030111207 | 24.9 | 1.8% | 600,000 | Unchanged | |
| Texas Instrs IncTXN | COM | 882508104 | 23.8 | 1.7% | 80,000 | Unchanged | |
| Baker Hughes CompanyBKR | CL A | 05722G100 | 22.2 | 1.6% | 400,000 | Unchanged | |
| Applied Matls IncAMAT | COM | 038222105 | 21.7 | 1.6% | 30,000 | Reduced−10,000 | |
| Franco Nev CorpFNV | COM | 351858105 | 20.8 | 1.5% | 100,000 | Unchanged | |
| Allient IncALNT | COM | 019330109 | 20.6 | 1.5% | 200,000 | Added+50,000 | |
| Asml HLDG NV | N Y REGISTRY SHS | N07059210 | 19.9 | 1.4% | 10,000 | Unchanged | |
| Almonty Inds IncALM | COM NEW | 020398707 | 19.9 | 1.4% | 1,200,000 | Unchanged | |
| Andersen Group IncANDG | CL A | 033853102 | 18.9 | 1.4% | 500,000 | Unchanged | |
| Modine MFG CoMOD | COM | 607828100 | 18.7 | 1.4% | 70,000 | Reduced−10,000 | |
| Alphabet IncGOOGL | CAP STK CL A | 02079K305 | 17.9 | 1.3% | 50,000 | Unchanged | |
| Garmin Ltd | SHS | H2906T109 | 17.8 | 1.3% | 75,000 | Added+25,000 | |
| LAM Research CorpLRCX | COM NEW | 512807306 | 17.3 | 1.3% | 40,000 | Reduced−10,000 | |
| Meta Platforms IncMETA | CL A | 30303M102 | 16.9 | 1.2% | 30,000 | Unchanged | |
| Lightpath Technologies IncLPTH | COM CL A | 532257805 | 16.8 | 1.2% | 1,025,000 | Added+640,000 | |
| BWX Technologies IncBWXT | COM | 05605H100 | 15.6 | 1.1% | 80,000 | Reduced−20,000 | |
| Old Dominion Freight Line inODFL | COM | 679580100 | 15.2 | 1.1% | 70,000 | New+70,000 | |
| Brightview Holdings IncBV | COM | 10948C107 | 12.0 | 0.9% | 850,000 | Unchanged | |
| D-Wave Quantum IncQBTS | COM | 26740W109 | 12.0 | 0.9% | 500,000 | Unchanged | |
| Nextpower IncNXT | CLASS A COM | 65290E101 | 11.9 | 0.9% | 100,000 | Unchanged | |
| Axon Enterprise IncAXON | COM | 05464C101 | 11.2 | 0.8% | 20,000 | Unchanged | |
| Biodesix IncBDSX | COM | 09075X207 | 11.0 | 0.8% | 489,824 | Unchanged | |
| Karooooo Ltd | ORD SHS | Y4600W108 | 10.6 | 0.8% | 215,150 | Unchanged | |
| Twilio IncTWLO | CL A | 90138F102 | 10.3 | 0.7% | 50,000 | Unchanged | |
| Applovin CorpAPP | COM CL A | 03831W108 | 10.3 | 0.7% | 20,000 | Unchanged | |
| Shopify IncSHOP | CL A SUB VTG SHS | 82509L107 | 10.3 | 0.7% | 90,000 | Unchanged | |
| Trimble IncTRMB | COM | 896239100 | 10.2 | 0.7% | 200,000 | Unchanged | |
| Hillman Solutions CorpHLMN | COM | 431636109 | 9.3 | 0.7% | 1,100,000 | Added+150,000 | |
| Ormat Technologies IncORA | COM | 686688102 | 8.7 | 0.6% | 80,000 | Unchanged | |
| Codexis IncCDXS | COM | 192005106 | 8.7 | 0.6% | 3,846,411 | Unchanged | |
| Rogers CorpROG | COM | 775133101 | 8.2 | 0.6% | 50,000 | New+50,000 | |
| Flex Ltd | ORD | Y2573F102 | 8.1 | 0.6% | 50,000 | New+50,000 | |
| Knight-Swift Transn Holdings inKNX | CL A | 499049104 | 7.8 | 0.6% | 100,000 | New+100,000 | |
| Aspen Aerogels IncASPN | COM | 04523Y105 | 6.3 | 0.5% | 1,000,000 | Unchanged | |
| Ovintiv IncOVV | COM | 69047Q102 | 5.3 | 0.4% | 100,000 | Unchanged | |
| Nexgen Energy LtdNXE | COM | 65340P106 | 4.7 | 0.3% | 500,000 | Unchanged | |
| Patterson-Uti Energy IncPTEN | COM | 703481101 | 4.6 | 0.3% | 500,000 | New+500,000 | |
| Helios Technologies IncHLIO | COM | 42328H109 | 4.5 | 0.3% | 50,000 | New+50,000 |
Sold out: 2 positions
Held at the end of the quarter before and not reported this quarter.
| Issuer | Class | CUSIP | Reported value$ | Weight | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|---|---|
| Camtek Ltd | ORD | M20791105 | 0.0 | 0.0% | 0 | Sold out−70,000 | |
| Enerpac Tool Group CorpEPAC | CL A COM | 292765104 | 0.0 | 0.0% | 0 | Sold out−100,000 |
Source: SEC EDGAR, Form 13F-HR, accession 0000898432-26-000612 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.