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

Semper Augustus Investments Group & Parnassus Endeavor Fund Portfolio Overlap

Shared 13F holdings between Semper Augustus Investments Group and Parnassus Endeavor Fund based on latest reported SEC filings (the quarter ended June 30, 2026).

Overlap Score

Minimal overlap

Shared Holdings

12 shared positions across both portfolios (48 holdings for Semper Augustus Investments Group, 130 for Parnassus Endeavor Fund).

Stock	Semper Augustus Investments Group value	Parnassus Endeavor Fund value	Combined value	Conviction	Est. current value	Sector
GOOGL Alphabet Inc.	$250,159	$1.96B	$1.96B	2.7%	$1.88B	Communication Services
MSFT Microsoft Corporation	$239,106	$1.75B	$1.75B	2.4%	$2.30B	Technology
AAPL Apple Inc.	$1.34M	$1.25B	$1.25B	1.8%	$1.44B	Technology
MA Mastercard Incorporated	$338,038	$811.63M	$811.97M	1.1%	$897.58M	Financial Services
SPGI S&P Global Inc.	$18.73M	$597.95M	$616.68M	1.9%	$615.92M	Financial Services
COST Costco Wholesale Corporation	$3.14M	$584.72M	$587.85M	1.0%	$561.63M	Consumer Defensive
GEV GE Vernova Inc.	$2.34M	$530.90M	$533.24M	0.8%	$419.88M	Utilities
CMI Cummins Inc.	$9.25M	$148.76M	$158.01M	0.7%	$116.86M	Industrials
KO Coca-Cola Company (The)	$1.25M	$149.94M	$151.18M	0.3%	$163.46M	Consumer Defensive
NXPI NXP Semiconductors	$2.15M	$89.37M	$91.52M	0.2%	$71.31M	Technology
BLDR Builders FirstSource, Inc.	$49.55M	$12.97M	$62.51M	2.8%	$41.67M	Industrials
NFLX Netflix, Inc.	$212,772	$1.73M	$1.94M	0.0%	$2.08M	Communication Services

Largest Shared Position

Alphabet Inc. (GOOGL) represents the largest overlapping position between Semper Augustus Investments Group and Parnassus Endeavor Fund based on the latest reported SEC Form 13F filings for the quarter ended June 30, 2026. The combined disclosed value of GOOGL positions reported by both investment firms is approximately $1.96B, reflecting overlapping institutional exposure to Alphabet Inc..

Shared Sector Exposure

Sector	Combined value	Shared holdings
Technology	$3.09B	AAPL, MSFT, NXPI
Communication Services	$1.96B	GOOGL, NFLX
Financial Services	$1.43B	MA, SPGI
Consumer Defensive	$739.03M	COST, KO
Utilities	$533.24M	GEV
Industrials	$220.52M	BLDR, CMI

Consensus Smart Money Signals

Shared holdings between Semper Augustus Investments Group and Parnassus Endeavor 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: GOOGL ($1.96B combined).
Highest average portfolio weight in overlap: BLDR (2.8% conviction score).
Largest estimated mark-to-market gain since filing: MSFT ($549.57M vs reported combined value, where EOD data is available).

Historical Overlap Trend

The overlap between Semper Augustus Investments Group and Parnassus Endeavor Fund increased between Q1 2001 and Q2 2001, with 12 shared holdings in the latest period ($7.98B combined reported value) versus 9 in the prior period ($4.85B).

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