Top 10 Holdings of Ron Baron
What the latest 13F actually shows
A 13F is a snapshot taken up to 45 days after the quarter closed, and it shows long US equity positions only. Read in that light, here is what Ron Baron reported holding.
| Ticker | Position | Value | Weight |
|---|---|---|---|
| SPCX | SPACE EXPLORATION TECHN CORP | $24.91 billion | 37.4% |
| TSLA | TESLA INC | $5.27 billion | 7.9% |
| MSCI | MSCI INC | $1.80 billion | 2.7% |
| ACGL | ARCH CAP GROUP LTD | $1.54 billion | 2.3% |
| H | HYATT HOTELS CORP | $1.41 billion | 2.1% |
| SHOP | SHOPIFY INC | $1.27 billion | 1.9% |
| SPOT | SPOTIFY TECHNOLOGY S A | $1.12 billion | 1.7% |
| GWRE | GUIDEWIRE SOFTWARE INC | $1.11 billion | 1.7% |
| SCHW | SCHWAB CHARLES CORP | $1.08 billion | 1.6% |
| RRR | RED ROCK RESORTS INC | $1.07 billion | 1.6% |
Latest updates
- October 7, 2026, 11:32 AM ET
The filings behind this page have been updated. Refreshed to the Q2 2026 filing; largest position is SPCX at $24.91 billion.
The dataTicker Position Value Weight SPCX SPACE EXPLORATION TECHN CORP $24.91 billion 37.4% TSLA TESLA INC $5.27 billion 7.9% MSCI MSCI INC $1.80 billion 2.7% ACGL ARCH CAP GROUP LTD $1.54 billion 2.3% H HYATT HOTELS CORP $1.41 billion 2.1% SHOP SHOPIFY INC $1.27 billion 1.9% SPOT SPOTIFY TECHNOLOGY S A $1.12 billion 1.7% GWRE GUIDEWIRE SOFTWARE INC $1.11 billion 1.7% SCHW SCHWAB CHARLES CORP $1.08 billion 1.6% RRR RED ROCK RESORTS INC $1.07 billion 1.6% As reported for Q2 2026.Source: SEC Form 13F filings · InsiderBuying.com - October 7, 2026, 11:00 AM ET
There is fresh data on file. Refreshed to the Q2 2026 filing; largest position is SPCX at $24.91 billion.
- October 7, 2026, 10:31 AM ET
Refreshed to the Q2 2026 filing; largest position is SPCX at $24.91 billion.
- October 7, 2026, 10:26 AM ET
Refreshed to the Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) filing; largest position is SPCX at $24.91 billion.
The concentration
The top 10 positions carry 61% of the disclosed portfolio by value, across 345 reported holdings in total.
SPACE EXPLORATION TECHN CORP alone is 37.4% of it.
Concentration is a choice about conviction and about risk at the same time, and a 13F shows the result without showing the reasoning.
- SPCX$24.91 billion · 37.4%
- TSLA$5.27 billion · 7.9%
- MSCI$1.80 billion · 2.7%
- ACGL$1.54 billion · 2.3%
- H$1.41 billion · 2.1%
- SHOP$1.27 billion · 1.9%
- SPOT$1.12 billion · 1.7%
- GWRE$1.11 billion · 1.7%
- Everything else$28.22 billion · 42.3%
What a 13F leaves out
Short positions, cash, bonds, commodities and most non-US listings never appear. A manager who is net short the market can look long-only here.
The filing is also late by construction: positions shown may have been sold weeks before the document became public.
It remains the only mandatory, auditable window into what large managers own, which is why it is worth reading carefully rather than literally.
The bottom line
A snapshot, filed late, of one side of the book. Useful, and not the whole position. Not investment advice. Summarized from public SEC Form 4 and congressional disclosure data.