Loading
SEC Form 13F · Q2 2026
Citadel Advisors portfolio
Ken Griffin · CITADEL ADVISORS LLC · CIK 0001423053
Latest 13F for the quarter ended Jun 30, 2026, filed Sep 2, 2026, compared with the quarter ended Mar 31, 2026.
Reported 13F value$875.0B
Holdings13,572
Top 10 concentration3.1%
New positions3,328
Added to5,725
Reduced4,465
Closed2,613
What changed in Q2 2026
Estimated trade value from reported units and period-end values
New positions
- 84615Q103+$876.5MSPACE EXPLORATION TECHN CORP · New · now 0.10%
Added to
Reduced
Closed
- WDC 3 11/15/28−$696.7MWESTERN DIGITAL CORP · Exited
- IEF−$327.5MISHARES TR · Exited
Holdings, Q2 2026
13,572 positions by reported value · includes 7,221 option positions
| Holding | Portfolio weight | Reported value | Shares / units | Change vs prior quarter |
|---|---|---|---|---|
| SPYSTATE STR SPDR S&P 500 ETF T · TR UNIT · CALL | 4.08% | $35.7B | 47,748,200 | +76.7% |
| QQQINVESCO QQQ TR · UNIT SER 1 · PUT | 3.03% | $26.6B | 36,059,900 | +1.3% |
| QQQINVESCO QQQ TR · UNIT SER 1 · CALL | 2.68% | $23.5B | 31,899,300 | +63.6% |
| SPYSTATE STR SPDR S&P 500 ETF T · TR UNIT · PUT | 2.66% | $23.3B | 31,154,800 | -16.2% |
| MUMICRON TECHNOLOGY INC · COM · PUT |
Source: SEC Form 13F filings (latest filing on sec.gov). Information and analytics, not investment advice. Holdings are reported as of the quarter end, not live positions; reported 13F value covers securities listed on Form 13F and is not the fund's total assets under management.