Ken Griffin

Citadel Advisors

Ken Griffin is a prominent investor and the founder of Citadel Advisors, a leading global financial institution known for its quantitative and fundamental investment strategies. Citadel Advisors is recognized for its diverse portfolio, which spans various sectors, including technology and financial services. Recent disclosures reveal a significant focus on major companies like Tesla Inc (TSLA) and NVIDIA Corporation (NVDA), with the latest filing on May 15, 2026, showing a range of position reductions and increases totaling between $23.8B and $6.5B. Notably, the largest disclosed move involved trimming a position in Tesla valued at over $10.7 billion.

Data sources and methodology

Latest Holdings

HoldingReported ValueWeightSharesLast PriceEst. ValueReturn
40131MAD140131MAD1 · Q1 2026$25M0.0%15M------
Quantum ETFQTUM · Q1 2026$25M0.0%230k$156.51----
CMS Energy CorpCMS · Q1 2026$25M0.0%318k$74.22----
KBR IncKBR · Q1 2026$25M0.0%669k$33.01----
74006W20774006W207 · Q1 2026$25M0.0%77k------
IPG Photonics CorporationIPGP · Q1 2026$25M0.0%215k$116.99----
LifeStance Health Group, Inc.LFST · Q1 2026$25M0.0%3.9M$7.61----
N62509109N62509109 · Q1 2026$25M0.0%767k------
Eagle Materials Inc.EXP · Q1 2026$24M0.0%129k$206.79----
Grindr Inc.GRND · Q1 2026$24M0.0%2.0M$12.73----
Robert Half International IncRHI · Q1 2026$24M0.0%961k$27.13----
Invesco CurrencyShares Euro TrustFXE · Q1 2026$24M0.0%227k$107.31----
Maze Therapeutics, Inc.MAZE · Q1 2026$24M0.0%809k$26.05----
ProShares - Ultra S&P500SSO · Q1 2026$24M0.0%465k$68.38----
Direxion Daily Homebuilders & Supplies Bull 3X ETFNAIL · Q1 2026$24M0.0%634k$39.15----
G52694109G52694109 · Q1 2026$24M0.0%500k------
LendingClub CorpLC · Q1 2026$24M0.0%1.7M$17.11----
RLI Corp. Common Stock (RLI)RLI · Q1 2026$24M0.0%422k$52.05----
Alliant Energy CorporationLNT · Q1 2026$24M0.0%335k$73.75----
SIMMONS FIRST NATIONAL CORPORATIONSFNC · Q1 2026$24M0.0%1.2M$21.35----
Nordson CorpNDSN · Q1 2026$24M0.0%90k$288.74----
Pony AI Inc. American Depositary SharesPONY · Q1 2026$24M0.0%2.5M$9.74----
Sezzle Inc.SEZL · Q1 2026$24M0.0%377k$116.05----
IES Holdings, Inc.IESC · Q1 2026$24M0.0%50k$694.20----
STAAR Surgical CompanySTAA · Q1 2026$24M0.0%1.3M$31.39----
9194810991948109 · Q1 2026$24M0.0%2.1M------
TRSWF - TransAlta Renewables Inc (Exchanged) Transalta Corp (Received)TAC · Q1 2026$24M0.0%1.8M$13.82----
Perpetua Resources Corp.PPTA · Q1 2026$24M0.0%840k$26.18----
Air Lease CorpAL · Q1 2026$24M0.0%363k$65.00----
Papa John's International, Inc.PZZA · Q1 2026$24M0.0%727k$33.24----
46143U54246143U542 · Q1 2026$24M0.0%646k------
Gap, Inc.GPS · Q1 2026$24M0.0%972k$24.55----
Ryan Specialty Holdings, Inc.RYAN · Q1 2026$23M0.0%695k$32.71----
SiTime CorporationSITM · Q1 2026$23M0.0%68k$742.46----
Teekay Tankers Ltd.TNK · Q1 2026$23M0.0%319k$76.34----
PIMCO Multisector Bond Active Exchange-Traded FundPYLD · Q1 2026$23M0.0%891k$26.41----
987084100987084100 · Q1 2026$23M0.0%1.1M------
Brinks CompanyBCO · Q1 2026$23M0.0%225k$106.18----
Under Armour IncUAA · Q1 2026$23M0.0%3.9M$5.78----
Gildan Activewear IncGIL · Q1 2026$23M0.0%418k$57.00----
Intercontinental Hotels Group PLCIHG · Q1 2026$23M0.0%174k$172.70----
Clarivate Plc Ordinary SharesCCC · Q1 2026$23M0.0%3.9M$4.58----
DOXIMITY INCDOCS · Q1 2026$23M0.0%995k$20.26----
BorgWarner IncBWA · Q1 2026$23M0.0%425k$70.83----
Host Hotels & Resorts IncHST · Q1 2026$23M0.0%1.2M$23.48----
Perrigo Company plcPRGO · Q1 2026$23M0.0%2.1M$11.16----
Donaldson Co IncDCI · Q1 2026$23M0.0%270k$83.72----
Commvault Systems, Inc. - Common StockCVLT · Q1 2026$23M0.0%294k$122.09----
Post Holdings, Inc.POST · Q1 2026$23M0.0%231k$96.75----
Garrett Motion Inc.GTX · Q1 2026$23M0.0%1.3M$33.66----
Showing 1401-1450 of 6730