Funds · 13F filer · Boston, MA

Telemark Asset Management, LLC

$1.4B in 57 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return+30.8%S&P 500 +20.9%
3y return+90.5%S&P 500 +68.5%
5y return+63.7%S&P 500 +74.5%
10y return+325.2%S&P 500 +256.5%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since June 30, 2016: $425 against $357 in the S&P 500.2

Telemark Asset Management, LLCS&P 500 (SPY)
$100$42520162026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
NVDANvidia Corporation$120.1M8.7%
CCJCameco Corp$91.7M6.6%
NOVTNovanta Inc$69.0M5.0%+13.3%
HEIHeico Corp New$49.9M3.6%
MRNAModerna Inc$49.0M3.5%+40.0%
TSMTaiwan Semiconductor Manufac$47.8M3.5%
AMZNAmazon Com Inc$47.7M3.4%
GLWCorning Inc$42.1M3.0%−17.5%
HALHalliburton Co$40.7M2.9%
TERTeradyne Inc$36.3M2.6%+7.1%
WCNWaste Connections Inc$33.3M2.4%+100.0%
HEI/AHeico Corp New$32.2M2.3%
CATCaterpillar Inc$31.9M2.3%
DOCNDigitalocean Hldgs Inc$31.4M2.3%
KOPNKopin Corp$31.4M2.3%
CLHClean Harbors Inc$29.9M2.2%
PLTRPalantir Technologies Inc$29.2M2.1%+25.0%
SLBSlb Limited$27.9M2.0%
ADIAnalog Devices Inc$27.8M2.0%
AMSCAmerican Superconductor Corp$24.9M1.8%
TXNTexas Instrs Inc$23.8M1.7%
BKRBaker Hughes Company$22.2M1.6%
AMATApplied Matls Inc$21.7M1.6%−25.0%
FNVFranco Nev Corp$20.8M1.5%
ALNTAllient Inc$20.6M1.5%+33.3%

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
NVDANvidia CorporationMarch 31, 2023+620.3%$120.1M
GLWCorning IncJune 30, 2024+557.5%$42.1M
AXONAxon Enterprise IncJune 30, 2020+471.3%$11.2M
TSMTaiwan Semiconductor ManufacMarch 31, 2023+413.4%$47.8M
KOPNKopin CorpMarch 31, 2025+380.6%$31.4M
CCJCameco CorpSeptember 30, 2022+284.3%$91.7M
HEIHeico Corp NewJune 30, 2020+257.4%$49.9M
TERTeradyne IncSeptember 30, 2025+251.5%$36.3M
DOCNDigitalocean Hldgs IncDecember 31, 2025+226.3%$31.4M
LRCXLam Research CorpSeptember 30, 2025+223.6%$17.3M

Sold off last quarter

  • Camtek LtdCUSIP M20791105 was $10.6M
  • EPACEnerpac Tool Group Corp was $3.6M

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+20.9%+14.8%
March 31, 2026+2.0%−4.6%
December 31, 2025−2.6%+2.4%
September 30, 2025+8.8%+7.8%
June 30, 2025+21.0%+10.5%
March 31, 2025−13.7%−4.6%
December 31, 2024−0.8%+2.1%
September 30, 2024−1.3%+5.4%
June 30, 2024+10.6%+4.0%
March 31, 2024+19.7%+10.0%
December 31, 2023+12.9%+11.2%
September 30, 2023−4.7%−3.6%
June 30, 2023+3.8%+8.3%
March 31, 2023+2.3%+7.0%
December 31, 2022+5.4%+7.1%
September 30, 2022+4.2%−5.3%
June 30, 2022−21.0%−16.5%
March 31, 2022−12.5%−4.9%
December 31, 2021+2.2%+10.7%
September 30, 2021+4.3%+0.3%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1420816
  2. 2
    Filed August 10, 2026 · accession 0000898432-26-000612