13F

Investor

CAXTON CORP

CIK 0001388551 · filed 2026-05-14 · SEC filing

13F book

$4.02M

Positions

7

1 new · 5 sold

Largest name

81.5%

Spdr Gold Tr

Est. mark

$138.5K

Price effect on 6 names still held. Flow −$393.4K.
NameTickerSharesValueWeightEst. markChange
Spdr Gold Tr7.62K$3.28M81.5%$236.5KAdded$520K
Berkshire Hathaway Inc Del727$348.3K8.7%−$16.6KAdded−$8.43K
Kyverna Therapeutics, Inc.KYTX18.8K$162K4.0%−$14.5KHeld
Lexeo Therapeutics, Inc.LXEO13.9K$80K2.0%−$58.4KHeld
X4 Pharmaceuticals, IncXFOR15.6K$64.2K1.6%$2.02KHeld
Inhibikase Therapeutics, Inc.IKT28.5K$47.8K1.2%−$10.5KHeld
Alx Oncology Hldgs Inc20.9K$42K1.0%New

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.