Caxton Corp.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Caxton Corp. reported 10 stock positions worth $1.9 million. Its top holding was Space Exploration Techn Class A (SPCX) at 24.0% of the portfolio, followed by Berkshire Hathaway Class B (BRK.B, 20.3%) and Alphabet Class A (GOOGL, 13.3%). Compared with Q1 2026, it opened 4 new positions, sold out of 1, added to 2 and reduced 1. The biggest buy was a new position in Space Exploration Techn Class A (SPCX) and the biggest sale an exit from SPDR Gold Shares (GLD).
- Most Recent 13F
- Q2 2026
- Location
- Princeton, NJ
- CIK
- 0001388551
- Portfolio Value
- $1.9M (Q2 2026)
- SEC Filing
- 0000919574-26-005174 ↗ filed Aug 14, 2026
Holdings Value
Holdings 10 stocks · $1.9M
| SPCX Space Exploration Techn Class A | 24.03% | 2,606 | $445K | New |
| BRK.B Berkshire Hathaway Inc. Class B | 20.35% | 754 | $377K | Add +3.7% |
| GOOGL Alphabet Inc. Class A | 13.32% | 691 | $247K | New |
| VOO Vanguard S&P 500 ETF | 12.58% | 339 | $233K | New |
| BX Blackstone Inc. | 10.16% | 1,597 | $188K | New |
| KYTX Kyverna Therapeutics Inc. | 5.94% | 12,347 | $110K | Reduce -34.2% |
| LXEO Lexeo Therapeutics Inc. | 4.26% | 16,962 | $79K | Add +21.6% |
| XFOR X4 Pharmaceuticals Inc. | 3.92% | 15,557 | $73K | No change |
| IKT Inhibikase Therapeutics Inc. | 3.12% | 28,453 | $58K | No change |
| ALXO Alx Oncology Holdings Inc. | 2.34% | 20,946 | $43K | No change |
Portfolio Sells Q1 2026 → Q2 2026
Portfolio Buys Q1 2026 → Q2 2026
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 10 | $1.9M | SPCX, BRK.B, GOOGL, VOO, BX |
| Q1 2026 | 7 | $4.0M | GLD, BRK.B, KYTX, LXEO, XFOR |
| Q4 2025 | 11 | $4.3M | GLD, BRK.B, SYRE, MIND MEDICINE MINDMED INC, KYTX |
| Q3 2025 | 12 | $22.9M | RZLT, GLD, BRK.B, MIND MEDICINE MINDMED INC, ELVN |
| Q2 2025 | 11 | $9.9M | RZLT, GLD, BRK.B, ELVN, MIND MEDICINE MINDMED INC |
| Q1 2025 | 12 | $5.1M | RZLT, GLD, BRK.B, MIND MEDICINE MINDMED INC, BCAX |
| Q4 2024 | 15 | $16.6M | XERS, RZLT, SPY, BRK.B, GLD |
| Q3 2024 | 12 | $24.2M | XERS, RZLT, SPY, BRK.B, BCAX |
| Q2 2024 | 12 | $19.7M | XERS, RZLT, SPY, BRK.B, LXEO |
| Q1 2024 | 11 | $17.6M | XERS, RZLT, SPY, BRK.B, KYTX |