Seth Klarman

Summary

Seth Klarman disclosed 22 positions in its latest 13F (2026 Q1), a portfolio value of ~$5.12B, across 5 sectors; top holdings AMZN, QSR, WCC. This quarter: 6 new, 7 added, 4 trimmed, 6 closed. Data from public SEC 13F filings, delayed up to ~45 days.

Portfolio value$5.12B

Holdings22incl. options

Sectors5

Latest filing2026 Q1

New6$808.52M

Added7$398.32M

Trimmed4$338.27M

Sold6$885.06M

Guru playbook

This quarter at a glance

Focused bookModerately concentrated · top 5 = 47%High turnover · active

Circle of competence (by value)

Consumer Discretionary26%

Financials9%

Industrials7%

Biggest new buy

AONAON PLC

New buy · of book 4.9%

Biggest add

AMZNAMAZON.COM INC

Added +47.0%

Biggest exit

FISFIDELITY NATIONAL INFO SERV

Exited · was ~$299.32M

⚠️ Tags are auto-derived from public 13F holdings.

Position-weight treemap

By share of portfolio value (2026 Q1, common stock only, top 25).

Sector breakdown

By value (positions with no sector fall under “Uncategorized”).

Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.