Citadel Advisors LLC · Q2 2026 13F · SEC CIK 1423053
Ken Griffin portfolio
Hedge fundCitadel Advisors 13F holdings. Filed 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $171.8B
- Reported positions
- 6,293
- Top holdings a year, 3 yrs
- +15.0%
- Assets under management
- $570.6B
Ken Griffin is the founder of Citadel Advisors, which reported 6,293 positions worth $171.8B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Ishares Core S&p 500 ETF (IVV, 7.7%), Amazon Com Inc Com (AMZN, 1.5%), Nvidia Corporation Com (NVDA, 1.4%). A portfolio copying its top holdings returned 15.0% a year over the last 3 years, against 20.4% for the S&P 500.
Ken Griffin holdings largest 50 of 6,293 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
What Ken Griffin bought and sold in Q2 2026, against Q1 2026.
New positions
Q1 2026's filing was too long to tell new positions apart.
Added to
- IVV Ishares Core S&p 500 ETF+335.3% shares
- EA Electronic Arts Inc+103.0% shares
- BLK Blackrock Inc+56.0% shares
- WBD Warner Bros Discovery Inc+51.8% shares
- ORLY O'Reilly Automotive Inc+44.7% shares
- MSFT Microsoft Corp+42.9% shares
- AAPL Apple Inc+39.9% shares
- AMZN Amazon Com Inc Com+34.3% shares
Reduced
- MU Micron Technology Inc-86.9% shares
- TSLA Tesla Inc Com-41.4% shares
- NSC Norfolk Southn Corp-39.5% shares
- META Meta Platforms Inc Class A-38.8% shares
- NVDA Nvidia Corporation Com-36.7% shares
- AMAT Applied Matls Inc-16.2% shares
- CVS Cvs Caremark Corporation-11.3% shares
- AVGO Broadcom Inc-10.9% shares
Left the top 50
- DIA State Street Spdr Dow Jones Industrial Awas 1.1%
- TSM Taiwan Semiconductor Manufacwas 1.0%
- ISRG Intuitive Surgical Incwas 0.5%
- MAR Marriott Intl Inc New Cl Awas 0.4%
- STZ Constellation Brands Incwas 0.4%
- GILD Gilead Scienceswas 0.4%
- GE Ge Aerospacewas 0.4%
- TMUS T-Mobile US Incwas 0.4%
Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.
How the holdings did against the S&P 500.
- 1 year
- +9.3% /yr
- S&P 500 +20.1%
- 3 years
- +15.0% /yr
- S&P 500 +20.4%
- 5 years
- +6.2% /yr
- S&P 500 +11.6%
A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $171.8B | 6,293 |
| Q1 2026 | $138.7B | 5,960 |
| Q4 2025 | $145.0B | 5,829 |
| Q3 2025 | $122.3B | 5,836 |
| Q2 2025 | $113.5B | 5,707 |
| Q1 2025 | $100.8B | 5,819 |
| Q4 2024 | $106.7B | 5,858 |
| Q3 2024 | $93.7B | 5,628 |
| Q2 2024 | $99.1B | 5,727 |
| Q1 2024 | $101.1B | 5,953 |
| Q4 2023 | $96.8B | 5,725 |
| Q3 2023 | $89.9B | 5,720 |
Questions about Ken Griffin's portfolio
Who is Ken Griffin?
Ken Griffin is the founder of Citadel Advisors, a hedge fund that files its US stock holdings with the SEC on Form 13F under the name Citadel Advisors LLC.
What stocks does Ken Griffin own?
Citadel Advisors LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 6,293 positions worth $171.8B. The largest are Ishares Core S&p 500 ETF (IVV) at 7.7%, Amazon Com Inc Com (AMZN) at 1.5%, Nvidia Corporation Com (NVDA) at 1.4%, Apple Inc (AAPL) at 1.2% and Microsoft Corp (MSFT) at 0.8%.
What did Ken Griffin buy last quarter?
In Q2 2026, Citadel Advisors LLC added Ishares Core S&p 500 ETF (IVV) (+335.3% shares), Electronic Arts Inc (EA) (+103.0% shares) and Blackrock Inc (BLK) (+56.0% shares), compared with its Q1 2026 filing.
What did Ken Griffin sell last quarter?
In Q2 2026, Citadel Advisors LLC cut from its top 50 State Street Spdr Dow Jones Industrial A (DIA), cut from its top 50 Taiwan Semiconductor Manufac (TSM), cut from its top 50 Intuitive Surgical Inc (ISRG), cut from its top 50 Marriott Intl Inc New Cl A (MAR), cut from its top 50 Constellation Brands Inc (STZ), Micron Technology Inc (MU) (-86.9% shares), Tesla Inc Com (TSLA) (-41.4% shares) and Norfolk Southn Corp (NSC) (-39.5% shares), compared with its Q1 2026 filing.
How has Ken Griffin's portfolio performed?
A portfolio copying Citadel Advisors LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +15.0% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +9.3% against +20.1%. Over 5 years: +6.2% a year against +11.6%.
When is Citadel Advisors LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. Citadel Advisors LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Citadel Advisors LLC manage?
Citadel Advisors LLC reported $570.6B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $171.8B.