Telemark Asset Management, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 12, 2026), Telemark Asset Management, LLC reported 53 stock positions worth $1.1 billion. Its top holding was Nvidia (NVDA) at 9.7% of the portfolio, followed by Cameco (CCJ, 9.0%) and Halliburton (HAL, 4.3%). Compared with Q4 2025, it opened 11 new positions, sold out of 14, added to 5 and reduced 10. The biggest buy was a new position in Halliburton (HAL) and the biggest sale an exit from Microchip Technology (MCHP).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001420816
Portfolio Value
$1.1B (Q1 2026)
SEC Filing
0000898432-26-000352 ↗ filed May 12, 2026

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $967.7M Q1 2024 Q2 2024: $1.1B Q2 2024 Q3 2024: $990.3M Q3 2024 Q4 2024: $1.0B Q4 2024 Q1 2025: $764.3M Q1 2025 Q2 2025: $942.3M Q2 2025 Q3 2025: $1.1B Q3 2025 Q4 2025: $1.0B Q4 2025 Q1 2026: $1.1B $1.1B Q1 2026 Q2 2026: $1.4B Q2 2026

Holdings 53 stocks · $1.1B

NVDA Nvidia Corp. 9.67% 600,000 $104.6M No change
CCJ Cameco Corp. 9.04% 900,000 $97.7M Reduce -10.0%
HAL Halliburton Co. 4.33% 1,200,000 $46.8M New
NOVT Novanta Inc. 4.09% 375,000 $44.3M No change
AMZN Amazon.com Inc. 3.85% 200,000 $41.7M No change
HEI Heico Corp. 3.55% 140,000 $38.4M No change
TSM Taiwan Semiconductor-SP ADR 3.12% 100,000 $33.8M No change
SLB SLB Ltd. filed as SLB LIMITED 2.85% 600,000 $30.8M New
PLTR Palantir Technologies Inc. Class A 2.70% 200,000 $29.3M Add +100.0%
CLH Clean Harbors Inc. 2.65% 100,000 $28.7M Add +25.0%
GLW Corning Inc. 2.51% 200,000 $27.2M No change
HEI.A Heico Corp. Class A 2.44% 125,000 $26.4M No change
MRNA Moderna Inc. 2.35% 500,000 $25.4M New
FNV Franco-Nevada Corp. 2.28% 100,000 $24.7M No change
BKR Baker Hughes Co. 2.26% 400,000 $24.4M New
ADI Analog Devices Inc. 2.06% 70,000 $22.3M Reduce -17.6%
CAT Caterpillar Inc. 1.96% 30,000 $21.3M New
TER Teradyne Inc. 1.92% 70,000 $20.8M No change
BWXT BWX Technologies Inc. 1.89% 100,000 $20.4M No change
AMSC American Superconductor Corp. 1.88% 600,000 $20.3M Reduce -3.2%
ALM Almonty Industries Inc. 1.61% 1,200,000 $17.4M Reduce -7.7%
MOD Modine Manufacturing Co. 1.60% 80,000 $17.3M Reduce -20.0%
META Meta Platforms Inc. Class A 1.59% 30,000 $17.2M Reduce -25.0%
DOCN Digitalocean Holdings Inc. 1.59% 200,000 $17.2M No change
WCN Waste Connections Inc. 1.50% 100,000 $16.2M Reduce -16.7%
KOPN Kopin Corp. 1.46% 7,000,000 $15.8M No change
TXN Texas Instruments Inc. 1.44% 80,000 $15.5M New
GOOGL Alphabet Inc. Class A 1.33% 50,000 $14.4M No change
AMAT Applied Materials Inc. 1.26% 40,000 $13.7M No change
ANDG Andersen Group Inc. Class A 1.26% 500,000 $13.6M Add +400.0%
ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 1.22% 10,000 $13.2M No change
TRMB Trimble Inc. 1.21% 200,000 $13.0M Reduce -33.3%
NXT Nextpower Inc. 1.11% 100,000 $12.1M New
GRMN Garmin Ltd. 1.07% 50,000 $11.6M No change
KARO Karooooo Ltd. 0.99% 215,150 $10.7M Reduce -4.4%
LRCX Lam Research Corp. 0.99% 50,000 $10.7M No change
SHOP Shopify Inc. Class A 0.99% 90,000 $10.7M Reduce -30.8%
CAMT Camtek Ltd. 0.98% 70,000 $10.6M No change
BV Brightview Holdings Inc. 0.93% 850,000 $10.0M Add +30.8%
ORA Ormat Technologies Inc. 0.83% 80,000 $9.0M No change
ALNT Allient Inc. 0.82% 150,000 $8.9M No change
AXON Axon Enterprise Inc. 0.79% 20,000 $8.5M No change
APP AppLovin Corp. Class A 0.74% 20,000 $8.0M No change
HLMN Hillman Solutions Corp. 0.73% 950,000 $7.9M No change
QBTS D-Wave Quantum Inc. 0.67% 500,000 $7.2M New
BDSX Biodesix Inc. 0.66% 489,824 $7.1M Add +49.4%
TWLO Twilio Inc. Class A 0.58% 50,000 $6.3M New
CDXS Codexis Inc. 0.58% 3,846,411 $6.3M No change
OVV Ovintiv Inc. 0.55% 100,000 $5.9M New
NXE Nexgen Energy Ltd. 0.54% 500,000 $5.8M New
LPTH Lightpath Technologies Inc. Class A 0.36% 385,000 $3.9M No change
EPAC Enerpac Tool Group Corp. 0.34% 100,000 $3.6M No change
ASPN Aspen Aerogels Inc. 0.32% 1,000,000 $3.4M No change

Portfolio Sells Q4 2025 → Q1 2026

MCHP Microchip Technology Inc. Sold out 0.00% −2.23
MDB Mongodb Inc. Sold out 0.00% −1.68
EQT Eqt Corp. Sold out 0.00% −1.61
MSFT Microsoft Corp. Sold out 0.00% −1.45
FSLR First Solar Inc. Sold out 0.00% −1.30
WGS Genedx Holdings Corp. Sold out 0.00% −1.30
SHLS Shoals Technologies Group -A Sold out 0.00% −1.27
MIR Mirion Technologies Inc. Sold out 0.00% −1.17
TRMB Trimble Inc. Reduce -33.3% 1.21% −1.14
SHOP Shopify Inc. Class A Reduce -30.8% 0.99% −1.10
RRC Range Resources Corp. Sold out 0.00% −1.06
META Meta Platforms Inc. Class A Reduce -25.0% 1.59% −1.05
CLBT Cellebrite Di Ltd. Sold out 0.00% −0.72
WCN Waste Connections Inc. Reduce -16.7% 1.50% −0.60
BETA Beta Technologies Inc. Class A Sold out 0.00% −0.56
ARM Arm Holdings PLC-ADR Sold out 0.00% −0.55
ASPI Asp Isotopes Inc. Sold out 0.00% −0.44
RIVN Rivian Automotive Inc. Class A Sold out 0.00% −0.39
ADI Analog Devices Inc. Reduce -17.6% 2.06% −0.24
CCJ Cameco Corp. Reduce -10.0% 9.04% −0.10
KARO Karooooo Ltd. Reduce -4.4% 0.99% −0.03
AMSC American Superconductor Corp. Reduce -3.2% 1.88% +0.10
MOD Modine Manufacturing Co. Reduce -20.0% 1.60% +0.27
ALM Almonty Industries Inc. Reduce -7.7% 1.61% +0.46

Portfolio Buys Q4 2025 → Q1 2026

HAL Halliburton Co. New 4.33% +4.33
SLB SLB Ltd. New 2.85% +2.85
MRNA Moderna Inc. New 2.35% +2.35
BKR Baker Hughes Co. New 2.26% +2.26
CAT Caterpillar Inc. New 1.96% +1.96
TXN Texas Instruments Inc. New 1.44% +1.44
NXT Nextpower Inc. New 1.11% +1.11
ANDG Andersen Group Inc. Class A Add +400.0% 1.26% +1.00
PLTR Palantir Technologies Inc. Class A Add +100.0% 2.70% +0.93
CLH Clean Harbors Inc. Add +25.0% 2.65% +0.78
QBTS D-Wave Quantum Inc. New 0.67% +0.67
TWLO Twilio Inc. Class A New 0.58% +0.58
OVV Ovintiv Inc. New 0.55% +0.55
NXE Nexgen Energy Ltd. New 0.54% +0.54
BDSX Biodesix Inc. Add +49.4% 0.66% +0.43
BV Brightview Holdings Inc. Add +30.8% 0.93% +0.10

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 57$1.4BNVDA, CCJ, NOVT, HEI, MRNA
Q1 2026 53$1.1BNVDA, CCJ, HAL, NOVT, AMZN
Q4 2025 56$1.0BNVDA, CCJ, AMZN, HEI, NOVT
Q3 2025 47$1.1BNVDA, CCJ, CSGP, HEI, META
Q2 2025 48$942.3MNVDA, CCJ, HEI, META, CSGP
Q1 2025 47$764.3MNVDA, CCJ, CSGP, AMZN, HEI
Q4 2024 54$1.0BNVDA, CCJ, AMZN, HEI, CLH
Q3 2024 56$990.3MNVDA, CCJ, AMZN, ASPN, CSGP
Q2 2024 57$1.1BNVDA, CCJ, ARM, AMZN, ASPN
Q1 2024 63$967.7MNVDA, CCJ, AMZN, ARM, TOWA CORP