Institutional Manager · CIK 0001847935
Lloyd Harbor Capital Management, LLC
COLD SPRING HARBOR, NY · File #028-23247
Latest AUM
$207.7M
Positions
19
Top-10 Concentration
73.5%
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 | GLOBAL X FDS | 37954Y871 | -850,000 | -$40.5M | $0 |
| NEW | SOLSTICE ADVANCED MATLS INC | 83443Q103 | +345,000 | +$16.8M | $0 |
| ADD | DENISON MINES CORP | DNN | +6,000,000 | +$16.0M | -$9,000 |
| REDUCE | SPROTT FDS TR | SII | -186,829 | -$10.3M | -$2.7M |
| EXITED | LYONDELLBASELL INDUSTRIES N | N53745100 | -180,000 | -$8.8M | $0 |
| REDUCE | JINKOSOLAR HLDG CO LTD | JKS | -340,000 | -$8.8M | +$1.2M |
| EXITED | WESTLAKE CORPORATION | 960413102 | -110,000 | -$8.5M | $0 |
| REDUCE | DAQO NEW ENERGY CORP | DQ | -285,000 | -$8.4M | +$640,618 |
| NEW | CELANESE CORP DEL | CE | +190,000 | +$8.0M | $0 |
| NEW | HONEYWELL INTL INC | 438516106 | +39,000 | +$7.6M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202519 pos · $207.7M
- 13F HOLDINGS REPORTQ/E Sep 202518 pos · $256.7M
- 13F HOLDINGS REPORTQ/E Jun 202517 pos · $152.5M
- 13F HOLDINGS REPORTQ/E Mar 202519 pos · $136.5M
- 13F HOLDINGS REPORTQ/E Dec 202417 pos · $152.8M
- 13F HOLDINGS REPORTQ/E Sep 202423 pos · $241.0M
- 13F HOLDINGS REPORTQ/E Jun 202417 pos · $163.3M
- 13F HOLDINGS REPORTQ/E Mar 202414 pos · $165.7M
- 13F HOLDINGS REPORTQ/E Dec 202317 pos · $261.1M
Top 19 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NEXGEN ENERGY LTD | NXE | 3,037,817 | $27.9M | 13.46% |
| 2 | CAMECO CORP | CCJ | 267,461 | $24.5M | 11.78% |
| 3 | SOLSTICE ADVANCED MATLS INC | 83443Q103 | 345,000 | $16.8M | 8.07% |
| 4 | SPROTT FDS TR | SII | 303,171 | $16.6M | 8.01% |
| 5 | DENISON MINES CORP | DNN | 6,100,000 | $16.2M | 7.81% |
| 6 | UR-ENERGY INC | URG | 9,900,000 | $13.8M | 6.63% |
| 7 | TIDEWATER INC NEW | TDGMW | 193,589 | $9.8M | 4.71% |
| 8 | TRANSOCEAN LTD | RIG | 2,250,000 | $9.3M | 4.48% |
| 9 | VALARIS LTD | VAL-WT | 180,000 | $9.1M | 4.37% |
| 10 | JINKOSOLAR HLDG CO LTD | JKS | 336,877 | $8.7M | 4.19% |
| 11 | TRANSOCEAN LTD | RIG | 2,000,000 | $8.3M | 3.98% |
| 12 | CELANESE CORP DEL | CE | 190,000 | $8.0M | 3.87% |
| 13 | SEADRILL LTD | SDRL | 220,000 | $7.6M | 3.67% |
| 14 | HONEYWELL INTL INC | 438516106 | 39,000 | $7.6M | 3.66% |
| 15 | VALARIS LTD | VAL-WT | 150,000 | $7.6M | 3.64% |
| 16 | NEXGEN ENERGY LTD | NXE | 700,000 | $6.4M | 3.10% |
| 17 | DAQO NEW ENERGY CORP | DQ | 182,603 | $5.4M | 2.59% |
| 18 | TRONOX HOLDINGS PLC | TROX | 675,000 | $2.8M | 1.36% |
| 19 | ADVANSIX INC | ASIX | 75,000 | $1.3M | 0.62% |