Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Antique route map of roads converging on a single obelisk crossroads

Compare Managers

Two portfolios, one map — the overlap, the shared conviction, and what each holds that the other does not.

Baupost GroupMarkel Group

8Shared positions
5.5%Name overlap (Jaccard)
15+Only Baupost Group
15+Only Markel Group

Shared holdings · Q2 2026

SecurityBaupost Group weightMarkel Group weight
AMZN Amazon.com, Inc. 16.5% 3.7%
GOOG Alphabet Inc. 8.9% 7.4%
V Visa Inc. 4.4% 2.6%
FERG Ferguson plc 6.4% 0.3%
UNP Union Pacific Corporation 6.0% 0.3%
AON Aon plc 4.2% 0.3%
CME CME Group Inc. 2.5% 0.1%
EXP Eagle Materials Inc. 2.2% 0.0%
Provenance: Overlap computed live from both managers' parsed common-stock positions for Q2 2026. Reported longs only — hedges and non-13F assets are invisible. Methodology