Institutional Manager · CIK 0001420816
Telemark Asset Management, LLC
BOSTON, MA · File #028-12649
Latest AUM
$1.00B
Positions
56
Top-10 Concentration
48.3%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | COSTAR GROUP INC | 22160N109 | -550,000 | -$46.4M | $0 |
| EXITED | TWILIO INC | 90138F102 | -200,000 | -$20.0M | $0 |
| NEW | PALANTIR TECHNOLOGIES INC | PLTR | +100,000 | +$17.8M | $0 |
| NEW | MONGODB INC | MDB | +40,000 | +$16.8M | $0 |
| ADD | NOVANTA INC | NOVTU | +125,000 | +$14.9M | +$4.7M |
| NEW | APPLOVIN CORP | APP | +20,000 | +$13.5M | $0 |
| NEW | MODINE MFG CO | 607828100 | +100,000 | +$13.4M | $0 |
| REDUCE | META PLATFORMS INC | META | -20,000 | -$13.2M | -$4.5M |
| NEW | FIRST SOLAR INC | FSLR | +50,000 | +$13.1M | $0 |
| EXITED | F5 INC | 315616102 | -40,000 | -$12.9M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202556 pos · $1.00B
- 13F HOLDINGS REPORTQ/E Sep 202547 pos · $1.05B
- 13F HOLDINGS REPORTQ/E Jun 202549 pos · $1.10B
- 13F HOLDINGS REPORTQ/E Mar 202547 pos · $764.3M
- 13F HOLDINGS REPORTQ/E Dec 202454 pos · $1.00B
- 13F HOLDINGS REPORTQ/E Sep 202456 pos · $990.3M
- 13F HOLDINGS REPORTQ/E Jun 202458 pos · $1.15B
- 13F HOLDINGS REPORTQ/E Mar 202463 pos · $967.7M
- 13F HOLDINGS REPORTQ/E Dec 202348 pos · $659.1M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | NVDA | 600,000 | $111.9M | 11.40% |
| 2 | CAMECO CORP | CCJ | 1,000,000 | $91.5M | 9.32% |
| 3 | AMAZON COM INC | AMZN | 200,000 | $46.2M | 4.70% |
| 4 | HEICO CORP NEW | HEI-A | 140,000 | $45.3M | 4.62% |
| 5 | NOVANTA INC | NOVTU | 375,000 | $44.6M | 4.55% |
| 6 | HEICO CORP NEW | HEI-A | 125,000 | $31.6M | 3.21% |
| 7 | TAIWAN SEMICONDUCTOR MFG LTD | 874039100 | 100,000 | $30.4M | 3.10% |
| 8 | META PLATFORMS INC | META | 40,000 | $26.4M | 2.69% |
| 9 | TRIMBLE INC | TRMB | 300,000 | $23.5M | 2.39% |
| 10 | ANALOG DEVICES INC | ADI | 85,000 | $23.1M | 2.35% |
| 11 | MICROCHIP TECHNOLOGY INC. | MCHPP | 350,000 | $22.3M | 2.27% |
| 12 | WASTE CONNECTIONS INC | WCN | 120,000 | $21.0M | 2.14% |
| 13 | SHOPIFY INC | SHOP | 130,000 | $20.9M | 2.13% |
| 14 | FRANCO NEV CORP | FNV | 100,000 | $20.7M | 2.11% |
| 15 | CLEAN HARBORS INC | CLH | 80,000 | $18.8M | 1.91% |
| 16 | AMERICAN SUPERCONDUCTOR CORP | AMSC | 619,900 | $17.8M | 1.82% |
| 17 | PALANTIR TECHNOLOGIES INC | PLTR | 100,000 | $17.8M | 1.81% |
| 18 | CORNING INC | GLW | 200,000 | $17.5M | 1.78% |
| 19 | BWX TECHNOLOGIES INC | BWXT | 100,000 | $17.3M | 1.76% |
| 20 | MONGODB INC | MDB | 40,000 | $16.8M | 1.71% |