Multi-Strategy · CIK 0001423053

Ken Griffin

Citadel Advisors
Share

Ken Griffin runs Citadel Advisors, a multi-strategy overseeing $665.87B in disclosed equity holdings (SEC CIK 0001423053). The latest 13F filing (2025Q4) discloses 5870 positions across several sectors, with the largest positions in NVDA, AMZN and SPDR DOW JONES INDL AVERAGE. OpenStocks tracks 2 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.

Track Ken's filingsView holdings
Portfolio
$665.87B
Positions
5870
Quarter
2025Q4
Filings tracked
2
Quarter
2025Q42025Q3

Investment strategy

Ken Griffin is a mega-fund with a diversified portfolio. Top 10 positions are only 13% of the equity book.

Holdings

5870 positions
Top 3 = 1% of book · NVDA, AMZN, SPDR DOW JON
View full portfolio →

Performance

vs SPY
2 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
View performance →

Options & derivatives

Bearish bets
6638 option positions
Largest: PUT 46090E103 ($22.24B notional)
View options →

Activity & trades

Quarter-by-quarter
Last move 2025Q4
NEW 88422P109 — and 4 more recent moves.
View activity →

Recent transactions

See full activity →
NEW
Ken Griffin (Citadel Advisors) opened a new position in 88422P109
Third Coast Bancshares Inc - US
+25,280
~$38.01 · 2025Q4
2026-02-17
NEW
Ken Griffin (Citadel Advisors) opened a new position in 885160101
THOR INDS INC
+796,511
~$102.67 · 2025Q4
2026-02-17
NEW
Ken Griffin (Citadel Advisors) opened a new position in G8884K136
TIAN RUIXIANG HLDGS LTD
+48,378
~$0.36 · 2025Q4
2026-02-17
NEW
Ken Griffin (Citadel Advisors) opened a new position in 88635A105
TIDAL TR IV
+34,804
~$28.80 · 2025Q4
2026-02-17
NEW
Ken Griffin (Citadel Advisors) opened a new position in 88635A204
TIDAL TR IV
+35,513
~$25.24 · 2025Q4
2026-02-17