Citadel Advisors LLC

Ken Griffin

New Astrazeneca position and exited Seagate HDD Cayman in Q1 2026.

$618.6B in this filing12864 positionstop 10 = 22%

6009 stock and fund positions worth $141.2B6855 option positions worth $477.4B (3194 puts, 3661 calls)

Holdings are from Mar 31, 2026, not today. Filed May 15, 2026.

#	Stock
1	SPY putsState STR SPDR S&P 500 Etf	3.91%	$24.2B	37.2M	+8.2M
2	QQQ putsInvesco QQQ TR	3.32%	$20.5B	35.6M	-618K
3	SPY callsState STR SPDR S&P 500 Etf	2.84%	$17.6B	27.0M	+236K

12,861 more on a paid plan

Free shows three. Paid plans unlock the full portfolio, every quarter, and what changed.

What is missing

This filing does not include cash, short positions, private investments, bonds, or many overseas holdings.