Jonathan Auerbach
Jonathan Auerbach runs Hound Partners, a hedge fund overseeing $721.3M in disclosed equity holdings (SEC CIK 0001353316). The latest portfolio (2025Q4) discloses 36 positions across 8 sectors, with the largest positions in CCL, PLTR and NVDA. On a mark-to-market basis the tracked portfolio has returned 10.2% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.
What Jonathan is holding in options
Jonathan Auerbach (Hound Partners) disclosed 1 option position for the 2024Q4 quarter — 1 long-call and 0 long-puts — totaling $52.4M of underlying-share notional value. The largest exposures are a call on ACHR. Notional values reflect the value of the underlying shares at the quarter-end snapshot, not the option premium paid.
Options & derivatives
1 position · $52.4M notional1 CALL · $52.4M| Type | Underlying | Shares | Notional | % of book |
|---|---|---|---|---|
| CALL | ACHRARCHER AVIATION INC | 5.4M | $52.4M | 20.1% |
Notional = value of the underlying shares at the quarter-end snapshot, not the option premium paid. A long PUT is a bearish bet on the underlying; a long CALL is a bullish bet. The reported value is included in the portfolio total but does not reflect actual capital at risk.