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.

History Trades

CompanyValueActionChangePriceCurrent Price
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$77B162.5M sharesAddQ4 2023 13F$9B$475.31--
Ken Griffin (Citadel Advisors) trim Unmapped 13F securityPORTFOLIO$-7.6BTrimQ4 2023 13F$8B----
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$15B76.6M sharesAddQ4 2023 13F$2B$200.71--
Ken Griffin (Citadel Advisors) exit Unmapped 13F securityPORTFOLIO$-1.9BExitQ4 2023 13F$2B----
Ken Griffin (Citadel Advisors) trim Unmapped 13F securityPORTFOLIO$2B8.9M sharesTrimQ4 2023 13F$2B$191.17--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$5B32.6M sharesAddQ4 2023 13F$2B$147.41--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$1.6BAddQ4 2023 13F$2B----
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$14B37.7M sharesAddQ4 2023 13F$2B$376.04--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$1.3BAddQ4 2023 13F$1B----
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$5B9.7M sharesAddQ4 2023 13F$1B$486.88--
Ken Griffin (Citadel Advisors) trim Unmapped 13F securityPORTFOLIO$-1.0BTrimQ4 2023 13F$1B----
Ken Griffin (Citadel Advisors) trim Unmapped 13F securityPORTFOLIO$1B15.2M sharesTrimQ4 2023 13F$977M$83.84--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$1B8.5M sharesAddQ4 2023 13F$931M$173.92--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$2B35.5M sharesAddQ4 2023 13F$844M$51.44--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$3B2.7M sharesAddQ4 2023 13F$792M$1,116.25--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$2B3.3M sharesAddQ4 2023 13F$784M$660.08--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$3B9.7M sharesAddQ4 2023 13F$777M$260.66--
Ken Griffin (Citadel Advisors) trim Unmapped 13F securityPORTFOLIO$199M4.5M sharesTrimQ4 2023 13F$748M$43.85--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$2B4.2M sharesAddQ4 2023 13F$685M$582.92--
Ken Griffin (Citadel Advisors) exit Unmapped 13F securityPORTFOLIO$-669.6MExitQ4 2023 13F$670M----
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$2B33.6M sharesAddQ4 2023 13F$669M$50.25--
Ken Griffin (Citadel Advisors) exit Unmapped 13F securityPORTFOLIO$-654.7MExitQ4 2023 13F$655M----
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$6B77.4M sharesAddQ4 2023 13F$624M$77.39--
Ken Griffin (Citadel Advisors) trim Unmapped 13F securityPORTFOLIO$19B37.7M sharesTrimQ4 2023 13F$616M$495.22--
Ken Griffin (Citadel Advisors) add Unmapped 13F securityPORTFOLIO$3B17.2M sharesAddQ4 2023 13F$604M$170.10--
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