Ken Griffin
Ken Griffin’s latest 13F equity portfolio (filed as Citadel Advisors), straight from the SEC filing on May 15, 2026. Positions are ranked by size; the ones Ken Griffin opened or added to this quarter are flagged. This is what a 13F shows: reported long U.S. equity positions as of the quarter-end. It is not the full picture and it is not advice.
How Ken Griffin invests
Derived from the 13F filing itself, not commentary.
- Diversified: the top 5 positions are only 7% of the reported book, across 4611 holdings.
- Largest position is NVDA at 2.5% of the book.
- Opened 888 new positions last quarter, the biggest being AZN.
- Net buyer among existing holdings: added to 33 and trimmed 6.
- Large-cap oriented: 100% of measurable value sits in $10B+ companies.
- 1
$NVDANvidia Corporation$3.26B2.5% of book
- 2
$AMZNTrimmedAmazon Com Inc$1.69B1.3% of book
- 3
$MUAdded +51%Micron Technology Inc$1.55B1.2% of book
- 4
$TSMAdded +35%Taiwan Semiconductor Manufac$1.36B1.1% of book
- 5
$AAPLApple Inc$1.32B1.0% of book
- 6
$METAAdded +129%Meta Platforms Inc$1.05B0.8% of book
- 7
$AVGOBroadcom Inc$1.01B0.8% of book
- 8
$MSFTMicrosoft Corp$977M0.8% of book
- 9
$GOOGLAlphabet Inc$817M0.6% of book
- 10
$WBDAdded +149%Warner Bros Discovery Inc$807M0.6% of book
- 11
$TSLAAdded +135%Tesla Inc$778M0.6% of book
- 12Norfolk Southn CorpNorfolk Southn Corp$752M0.6% of book
- 13
$JPMAdded +87%Jpmorgan Chase &Amp; Co$715M0.6% of book
- 14
- 15
$BLKAdded +74%Blackrock Inc$676M0.5% of book
- 16
$ISRGAdded +30%Intuitive Surgical Inc$625M0.5% of book
- 17
$EAAdded +203%Electronic Arts Inc$593M0.5% of book
- 18Marriott Intl Inc NewMarriott Intl Inc New$573M0.4% of book
- 19
$BRK-BBerkshire Hathaway Inc Del$572M0.4% of book
- 20
$MAAdded +516%Mastercard Incorporated$562M0.4% of book
- 21
$STZAdded +377%Constellation Brands Inc$556M0.4% of book
- 22
$GILDGilead Sciences Inc$555M0.4% of book
- 23Ge AerospaceAdded +50%Ge Aerospace$554M0.4% of book
- 24Costco Wholesale CorporationCostco Wholesale Corporation$543M0.4% of book
- 25
$TMUSAdded +142%T-Mobile Us Inc$528M0.4% of book
- 26
$CAdded +34%Citigroup Inc$515M0.4% of book
- 27
$WCNAdded +201%Waste Connections Inc$506M0.4% of book
- 28
$CAHCardinal Health Inc$493M0.4% of book
- 29
$KOAdded +51%Coca Cola Co$490M0.4% of book
- 30
$ROSTRoss Stores Inc$482M0.4% of book
- 31
$HDHome Depot Inc$482M0.4% of book
- 32Johnson &Amp; JohnsonAdded +146%Johnson &Amp; Johnson$472M0.4% of book
- 33
$MSTrimmedMorgan Stanley$471M0.4% of book
- 34Merck &Amp; Co IncTrimmedMerck &Amp; Co Inc$460M0.4% of book
- 35Elevance Health Inc FormerlyElevance Health Inc Formerly$457M0.4% of book
- 36
$LMTAdded +60%Lockheed Martin Corp$453M0.4% of book
- 37
$PHParker-Hannifin Corp$451M0.3% of book
- 38Oreilly Automotive IncOreilly Automotive Inc$448M0.3% of book
- 39
$YUMAdded +321%Yum Brands Inc$444M0.3% of book
- 40Applied Matls IncTrimmedApplied Matls Inc$441M0.3% of book
- 41
$TMOAdded +25%Thermo Fisher Scientific Inc$425M0.3% of book
- 42
$UNHTrimmedUnitedhealth Group Inc$417M0.3% of book
- 43
$MSCIAdded +52%Msci Inc$407M0.3% of book
- 44
$FDXAdded +413%Fedex Corp$406M0.3% of book
- 45
$NETAdded +444%Cloudflare Inc$401M0.3% of book
- 46
$SPOTAdded +40%Spotify Technology S A$392M0.3% of book
- 47
$CVSAdded +51%Cvs Health Corp$390M0.3% of book
- 48
$SNDKAdded +51%Sandisk Corp$386M0.3% of book
- 49
$LLoews Corp$382M0.3% of book
- 50
$ABNBAdded +64%Airbnb Inc$381M0.3% of book
- 51
$BKNGAdded +52%Booking Holdings Inc$379M0.3% of book
- 52
$VRSKAdded +245%Verisk Analytics Inc$379M0.3% of book
- 53
$XYZAdded +980%Block Inc$378M0.3% of book
- 54United Airls Hldgs IncUnited Airls Hldgs Inc$377M0.3% of book
- 55Ss&Amp;C Tech HldgsAdded +646%Ss&Amp;C Tech Hldgs$377M0.3% of book
- 56
$AZNNewAstrazeneca Plc$369M0.3% of book
- 57
$CRMSalesforce Inc$364M0.3% of book
- 58
$EQIXTrimmedEquinix Inc$357M0.3% of book
- 59
$INSMAdded +89%Insmed Inc$357M0.3% of book
- 60
$OVVAdded +25%Ovintiv Inc$352M0.3% of book
Updated Aug 6, 12:30 PM. Sourced from SEC EDGAR 13F filings. Showing the top 60 positions by value.
Common questions about Ken Griffin
What stocks does Ken Griffin own?
Ken Griffin reported 4611 equity positions worth $128.9B in the latest 13F filed May 15, 2026. The largest by value are NVDA, AMZN, MU, TSM, AAPL, META, AVGO and MSFT. The full ranked list is on this page.
What is Ken Griffin's biggest holding?
NVDA is the largest reported position at $3.3B, about 2.5% of the reported book, held as 18,664,861 shares.
What did Ken Griffin buy recently?
Ken Griffin opened 888 new positions in the latest quarter. The largest new buys were AZN. Ken Griffin also added to 33 existing positions, including MU, TSM, META and WBD.
What did Ken Griffin sell recently?
Ken Griffin reduced 6 reported positions last quarter, the largest of them being AMZN, MS, MERCK & CO INC, APPLIED MATLS INC and UNH. Note that a position exited completely stops appearing in the 13F entirely, so full exits show up as a name disappearing rather than as a sale.
Is Ken Griffin buying or selling right now?
Across the reported book, Ken Griffin added to 33 positions and trimmed 6, which makes the latest quarter a net buying one. "Right now" is the important caveat: a 13F is a snapshot as of the quarter end, filed up to 45 days later, so it shows what was held then, not what is held today.
What fund does Ken Griffin run?
The filings on this page come from Citadel Advisors, SEC CIK 1423053. That is the entity that files the 13F, which is why holdings are reported under the firm name rather than the person's name.
Is this Ken Griffin's current portfolio?
No. It is the most recent one that has been publicly filed. Institutional managers report holdings quarterly on Form 13F, as of the last day of the quarter, with up to 45 days to file. This page reflects the filing dated May 15, 2026 and updates automatically when the next one hits SEC EDGAR.
Does this show Ken Griffin's short positions or options?
Mostly no. A 13F covers reported long U.S. exchange-traded equity positions and some equity options and convertibles. Short positions are not disclosed, and neither are bonds, cash, commodities, currencies, or foreign-listed holdings. A manager with a large short book or heavy non-equity exposure can look very different in a 13F than in reality.
How do I track Ken Griffin's next moves?
This page rebuilds straight from SEC EDGAR, so the next 13F appears here as soon as it is filed. New stakes disclosed between quarters on Schedule 13D and 13G show up on the Smart Money page ahead of the next 13F, because those filings are due within days of crossing a 5% ownership threshold rather than at quarter end.