Institutional Portfolio Overlap & Shared Holdings

Compare institutional investor portfolios using publicly disclosed SEC Form 13F filings tracked by InsiderSet. Analyze shared holdings, overlapping sector exposure, consensus smart money positions, portfolio concentration, and estimated current values across major hedge funds and institutional asset managers.

Sector portfolio overlap

Explore shared holdings and top overlapping superinvestor pairs within a sector.

Investor AInvestor B

Duquesne Family Office Llc & Dodge & Cox Stock Fund Portfolio Overlap

Shared 13F holdings between Duquesne Family Office Llc and Dodge & Cox Stock Fund based on latest reported SEC filings (the quarter ended June 30, 2026).

Overlap Score

Minimal overlap

Shared Holdings

13 shared positions across both portfolios (76 holdings for Duquesne Family Office Llc, 212 for Dodge & Cox Stock Fund).

Stock	Duquesne Family Office Llc value	Dodge & Cox Stock Fund value	Combined value	Conviction	Est. current value	Sector
AMZN Amazon.com, Inc.	$129.09M	$3.98B	$4.11B	2.7%	$4.24B	Consumer Cyclical
GOOGL Alphabet Inc.	$120.18M	$3.81B	$3.93B	2.5%	$3.77B	Communication Services
TMO Thermo Fisher Scientific Inc	$9.63M	$1.53B	$1.54B	0.5%	$1.99B	Healthcare
CPNG Coupang, Inc.	$46.33M	$1.25B	$1.30B	0.9%	$1.08B	Consumer Cyclical
TSM Taiwan Semiconductor Manufactur	$281.61M	$688.07M	$969.68M	3.7%	$848.16M	Technology
LIN Linde	$21.38M	$688.42M	$709.80M	0.4%	$632.04M	—
FOXA Fox Corporation	$114.99M	$585.40M	$700.39M	1.6%	$888.38M	Communication Services
FOX Fox Corporation	$29.63M	$340.34M	$369.97M	0.5%	$467.21M	Communication Services
SE Sea Limited	$105.40M	$2.20M	$107.60M	1.3%	$116.22M	Consumer Cyclical
LLY Eli Lilly and Company	$14.85M	$49.49M	$64.34M	0.2%	$61.03M	Healthcare
DHR Danaher Corporation	$9.58M	$48.96M	$58.54M	0.1%	$64.04M	Healthcare
BIDU Baidu, Inc.	$10.08M	$2.97M	$13.05M	0.1%	$10.11M	Communication Services
JBS JBS	$7.77M	$796,913	$8.57M	0.1%	$8.84M	Consumer Defensive

Largest Shared Position

Amazon.com, Inc. (AMZN) represents the largest overlapping position between Duquesne Family Office Llc and Dodge & Cox Stock Fund based on the latest reported SEC Form 13F filings for the quarter ended June 30, 2026. The combined disclosed value of AMZN positions reported by both investment firms is approximately $4.11B, reflecting overlapping institutional exposure to Amazon.com, Inc..

Shared Sector Exposure

Sector	Combined value	Shared holdings
Consumer Cyclical	$5.52B	AMZN, CPNG, SE
Communication Services	$5.01B	BIDU, FOX, FOXA, GOOGL
Healthcare	$1.66B	DHR, LLY, TMO
Technology	$969.68M	TSM
Other	$709.80M	LIN
Consumer Defensive	$8.57M	JBS

Consensus Smart Money Signals

Shared holdings between Duquesne Family Office Llc and Dodge & Cox Stock Fund may indicate overlapping long-term investment themes or broader smart money consensus toward specific companies and sectors. SEC Form 13F filings report positions, not investment intent.

Strongest overlap by reported value: AMZN ($4.11B combined).
Highest average portfolio weight in overlap: TSM (3.7% conviction score).
Largest estimated mark-to-market gain since filing: TMO ($452.09M vs reported combined value, where EOD data is available).

Historical Overlap Trend

The overlap between Duquesne Family Office Llc and Dodge & Cox Stock Fund increased between Q1 2001 and Q2 2001, with 13 shared holdings in the latest period ($13.88B combined reported value) versus 10 in the prior period ($9.04B).

Overlap Score Guide

Score	Meaning
85–100	Extremely high shared conviction
65–84	Strong overlap
45–64	Moderate overlap
25–44	Limited overlap
0–24	Minimal overlap