Bill Nygren
Bill Nygren runs Harris / Oakmark, an asset manager overseeing $79.12B in disclosed equity holdings (SEC CIK 0000813917). The latest 13F filing (2025Q4) discloses 167 positions across 10 sectors, with the largest positions in GOOGL, COF and CRM. On a mark-to-market basis the tracked portfolio has returned 10.2% over the past year. OpenStocks tracks 40 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.
What Bill is holding in options
Bill Nygren (Harris / Oakmark) disclosed 1 option position in the 2025Q4 13F filing — 1 long-call and 0 long-puts — totaling $309.0M of underlying-share notional value. The largest exposures are a call on FISV. Notional values reflect the value of the underlying shares at the quarter-end snapshot, not the option premium paid.
Options & derivatives
1 position · $309.0M notional1 CALL · $309.0M| Type | Underlying | Shares | Notional | % of book |
|---|---|---|---|---|
| CALL | FISVFISERV INC | 4.6M | $309.0M | 0.4% |
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.