Top 10 Holdings of Ken Griffin
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 Ken Griffin reported holding.
| Ticker | Position | Value | Weight |
|---|---|---|---|
| SPY | STATE STR SPDR S&P 500 ETF T | $35.66 billion | 4.1% |
| QQQ | INVESCO QQQ TR | $26.55 billion | 3.0% |
| QQQ | INVESCO QQQ TR | $23.49 billion | 2.7% |
| SPY | STATE STR SPDR S&P 500 ETF T | $23.27 billion | 2.7% |
| MU | MICRON TECHNOLOGY INC | $22.25 billion | 2.5% |
| MU | MICRON TECHNOLOGY INC | $16.34 billion | 1.9% |
| TSLA | TESLA INC | $13.70 billion | 1.6% |
| IVV | ISHARES TR | $13.24 billion | 1.5% |
| NVDA | NVIDIA CORPORATION | $12.19 billion | 1.4% |
| SNDK | SANDISK CORP | $11.72 billion | 1.3% |
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 SPY at $35.66 billion.
The dataTicker Position Value Weight SPY STATE STR SPDR S&P 500 ETF T $35.66 billion 4.1% QQQ INVESCO QQQ TR $26.55 billion 3.0% QQQ INVESCO QQQ TR $23.49 billion 2.7% SPY STATE STR SPDR S&P 500 ETF T $23.27 billion 2.7% MU MICRON TECHNOLOGY INC $22.25 billion 2.5% MU MICRON TECHNOLOGY INC $16.34 billion 1.9% TSLA TESLA INC $13.70 billion 1.6% IVV ISHARES TR $13.24 billion 1.5% NVDA NVIDIA CORPORATION $12.19 billion 1.4% SNDK SANDISK CORP $11.72 billion 1.3% As reported for Q2 2026.Source: SEC Form 13F filings · InsiderBuying.com - October 7, 2026, 11:00 AM ET
The record for this page moved. Refreshed to the Q2 2026 filing; largest position is SPY at $35.66 billion.
- October 7, 2026, 10:31 AM ET
Refreshed to the Q2 2026 filing; largest position is SPY at $35.66 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 SPY at $35.66 billion.
The concentration
The top 10 positions carry 23% of the disclosed portfolio by value, across 13575 reported holdings in total.
STATE STR SPDR S&P 500 ETF T alone is 4.1% 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.
- SPY$35.66 billion · 4.1%
- QQQ$26.55 billion · 3.0%
- QQQ$23.49 billion · 2.7%
- SPY$23.27 billion · 2.7%
- MU$22.25 billion · 2.5%
- MU$16.34 billion · 1.9%
- TSLA$13.70 billion · 1.6%
- IVV$13.24 billion · 1.5%
- Everything else$700.61 billion · 80.1%
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.