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.

Biggest Wins

PositionReported PriceLast PriceEst. P/LReturnEst. Value
Alight, Inc.ALIT · Q1 2026$0.5827$21.57+$43M+3,601.7%$44M
Brera Holdings PLC Class B Ordinary SharesBREA · Q1 2026$0.784$25.20+$27M+3,114.3%$28M
AIFU Inc.AIFU · Q1 2026$1.39$31.26+$383k+2,148.9%$401k
AIOS Tech Inc.AIOS · Q1 2026$0.5883$13.02+$205k+2,113.1%$215k
Cortexyme, Inc.CRTX · Q1 2026$0.1014$1.95+$311k+1,823.2%$329k
Agilon Health, Inc.AGL · Q1 2026$7.91$119.88+$1M+1,415.5%$1M
Cuprina Holdings (Cayman) Limited Class A Ordinary SharesCUPR · Q1 2026$0.2927$3.97+$137k+1,256.4%$148k
Great Elm Group, Inc. 7.25% Notes due 2027GEGGL · Q1 2026$1.87$24.72+$706k+1,221.8%$764k
HCW Biologics Inc.HCWB · Q1 2026$0.36$4.00+$95k+1,011.1%$104k
Direxion Daily S&P Oil & Gas Exp. & Prod. Bear 2X ETFDRIP · Q1 2026$4.14$44.86+$6M+983.6%$6M
Presurance Holdings, Inc.PRHI · Q1 2026$0.5096$5.10+$181k+900.8%$201k
Mint Incorporation LimitedMIMI · Q1 2026$0.27$2.46+$77k+811.1%$87k
Elme CommunitiesWRE · Q1 2026$2.01$17.57+$24M+774.1%$27M
Vaccitech plcVACC · Q1 2026$0.5725$5.00+$527k+773.4%$595k
Direxion Daily GOOGL Bear 1X ETFGGLS · Q1 2026$7.29$58.90+$3M+708%$3M
NIP Group Inc.NIPG · Q1 2026$0.6518$4.78+$330k+633.4%$382k
Eagle Point Credit Company Inc.ECCU · Q1 2026$3.76$25.12+$1M+568.1%$1M
2x Long VIX Futures ETFUVIX · Q1 2026$8.66$57.40+$58M+562.8%$68M
SERVICE PROPERTIES TRUSTSVC · Q1 2026$1.36$8.70+$6M+542.1%$7M
GraniteShares YieldBOOST TSLA ETFTSYY · Q1 2026$3.47$21.82+$3M+528.7%$3M
PSQ Holdings, Inc.PSQH · Q1 2026$0.53$3.01+$371k+467.9%$450k
Enlivex Therapeutics Ltd.ENLV · Q1 2026$0.9301$4.68+$195k+403.2%$244k
GraniteShares 2x Long AMD Daily ETFAMDL · Q1 2026$12.21$59.48+$85M+387.1%$106M
Leverage Shares 2x Long AMD Daily ETFAMDG · Q1 2026$20.67$99.22+$2M+380%$3M
Marqeta, Inc.MQ · Q1 2026$4.08$17.89+$55M+338.5%$71M
Rackspace Technology IncRXT · Q1 2026$0.9798$4.25+$1M+333.3%$2M
MaxLinear, Inc.MXL · Q1 2026$17.39$74.44+$3M+328.1%$4M
GraniteShares YieldBOOST COIN ETFCOYY · Q1 2026$4.28$17.69+$1M+313.2%$2M
Bandwidth Inc.BAND · Q1 2026$17.82$72.41+$13M+306.3%$18M
Backblaze, Inc.BLZE · Q1 2026$3.45$13.28+$3M+284.9%$4M
Cardlytics, Inc.CDLX · Q1 2026$1.05$3.91+$860k+272.6%$1M
GraniteShares 2x Long CRWD Daily ETFCRWL · Q1 2026$18.95$70.19+$6M+270.3%$8M
Overstock.com, Inc.OSTK · Q1 2026$4.64$16.78+$8M+261.6%$11M
Direxion Daily Technology Bear 3X ETFTECS · Q1 2026$20.64$74.57+$3M+261.3%$5M
Entravision Communications CorporationEVC · Q1 2026$2.97$10.73+$834k+261.1%$1M
Adagio Therapeutics, Inc.ADGI · Q1 2026$1.30$4.64+$6M+256.9%$8M
AmpliTech Group, Inc.AMPG · Q1 2026$1.90$6.64+$1M+249.5%$2M
BlackBerry LimitedBB · Q1 2026$3.24$10.64+$23M+228.4%$33M
Treace Medical Concepts, Inc.TMCI · Q1 2026$1.34$4.24+$2M+216%$3M
DuPont de Nemours, Inc. (Exchanged) International Flavors & Fragrances Inc. (Received)DD · Q1 2026$45.80$137.40+$179M+200%$268M
FuelCell Energy IncFCEL · Q1 2026$6.53$19.06+$22M+191.9%$34M
Digital Turbine, Inc.APPS · Q1 2026$2.88$8.34+$7M+189.4%$11M
SharonAI Holdings, Inc. Class A Common StockSHAZ · Q1 2026$22.73$65.60+$3M+188.6%$5M
Micron Technology IncMU · Q1 2026$337.84$970.82+$20B+187.4%$31B
Sezzle Inc.SEZL · Q1 2026$63.29$180.44+$44M+185.1%$68M
Astera Labs, Inc. Common StockALAB · Q1 2026$109.60$308.91+$460M+181.9%$713M
Schweitzer-Mauduit International, Inc.SWM · Q1 2026$8.70$23.41+$1M+169.1%$2M
Advanced Micro Devices IncAMD · Q1 2026$203.43$544.43+$9B+167.6%$15B
Similarweb Ltd.SMWB · Q1 2026$2.61$6.96+$3M+166.7%$4M
Clover Health Investments, Corp.CLOV · Q1 2026$1.76$4.50+$9M+155.7%$15M