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Bruce Kovner
CAXTON CORP
Latest filing: 2026-03-31
Bruce Kovner runs CAXTON CORP and currently holds 7 stock positions, which is fewer than the average of 236 among the investors we track. The portfolio is valued at approximately $4.02M. Their top holdings are GLD, BRK-B, KYTX, LXEO, XFOR. The top five represent 97.8% of reported portfolio weight. Bruce Kovner ranks #16 out of 1000 investors tracked by Alpha Score. In the most recent quarter, Bruce Kovner initiated 1 new position. They added to 2 existing positions. Their current best-performing preview position is GLD with returns of +8.57%.
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7 stock holdings
| Holding | Weight | Avg Buy | Current | Return | Quarter Change |
|---|---|---|---|---|---|
 GLD SPDR GOLD TR | 81.50% | $321.03 | $367.50 | +14.48% | Added +9.46% |
 BRK-B BERKSHIRE HATHAWAY INC DEL | 8.66% | $411.94 | $509.24 | +23.62% | Added +2.39% |
 KYTX KYVERNA THERAPEUTICS INC | 4.03% | $17.95 | $7.21 | -59.83% | Held |
 LXEO LEXEO THERAPEUTICS INC | 1.99% | $14.34 | $4.35 | -69.69% | Held |
 XFOR X4 PHARMACEUTICALS INC | 1.60% | $4.00 | $3.98 | -0.62% | Held |
 IKT INHIBIKASE THERAPEUTICS INC | 1.19% | $2.74 | $2.27 | -17.34% | Held |
 ALXO ALX ONCOLOGY HLDGS INC | 1.04% | $2.01 | $1.93 | -3.98% | New Buy |