Citadel Advisors 13F, Q2 2026

Name: Citadel Advisors 13F holdings, Q2 2026
Creator: Citadel Advisors

Ken Griffin · quarter ending 30 June 2026 · filed 14 August 2026 · SEC CIK 1423053

$174.22B

Filed US book

6,354

Positions

7.6%

Largest position

Common stock only: shares the fund reported owning at the quarter end, valued as filed. The filing also lists 7,221 put and call lines, reported at the value of the underlying shares; they are not ownership and are not in these totals.

Largest positions, Q2 2026

The 25 largest of 6,354 positions. Weights are against the whole filed book. Changes are in shares held, against the Q1 2026 filing.

Company	Ticker	Value	% of book	vs Q1 2026
ISHARES TR	IVV	$13.24B	7.6%	+335% shares
AMAZON COM INC	AMZN	$2.59B	1.5%	+34% shares
NVIDIA CORPORATION	NVDA	$2.36B	1.4%	-37% shares
APPLE INC	AAPL	$2.11B	1.2%	+40% shares
MICROSOFT CORP	MSFT	$1.41B	0.8%	+43% shares
ELECTRONIC ARTS INC	EA	$1.21B	0.7%	+103% shares
WARNER BROS DISCOVERY INC	WBD	$1.19B	0.7%	+52% shares
ELI LILLY & CO	LLY	$1.13B	0.7%	+291% shares
BROADCOM INC	AVGO	$1.10B	0.6%	-11% shares
ALPHABET INC	GOOGL	$1.07B	0.6%	+5% shares
BLACKROCK INC	BLK	$1.06B	0.6%	+56% shares
ADVANCED MICRO DEVICES INC	AMD	$929.12M	0.5%	+155% shares
ALPHABET INC	GOOG	$899.41M	0.5%	+6% shares
SPACE EXPLORATION TECHN CORP		$876.49M	0.5%	new
ABBVIE INC	ABBV	$797.64M	0.5%	+547% shares
APPLIED MATLS INC	AMAT	$781.53M	0.5%	-16% shares
ABBOTT LABORATORIES	ABT	$780.11M	0.5%	+349% shares
KLA CORP	KLAC	$766.67M	0.4%	+6608% shares
HOWMET AEROSPACE INC	HWM	$758.17M	0.4%	+177% shares
MASTERCARD INCORPORATED	MA	$753.85M	0.4%	+30% shares
SEAGATE TECHNOLOGY HLDNGS PL		$729.05M	0.4%	+582% shares
JPMORGAN CHASE & CO	JPM	$724.86M	0.4%	-9% shares
ORACLE CORP	ORCL	$697.00M	0.4%	+107% shares
MICRON TECHNOLOGY INC	MU	$693.18M	0.4%	-87% shares
OREILLY AUTOMOTIVE INC	ORLY	$646.43M	0.4%	+45% shares

What changed since Q1 2026

Against the Q1 2026 filing, Citadel Advisors opened 1,692 new positions, added to 2,390, trimmed 2,102, left 170 unchanged and exited 1,344. Every position is compared, matched on its CUSIP; a change of 2% or less in shares counts as unchanged.

New positions

SPACE EXPLORATION TECHN CORP$876.49M
CEREBRAS SYSTEMS INC$275.85M
MADISON AIR SOLUTIONS CORP$251.48M
QUANTINUUM INC$188.00M
ALPHABET INC$177.86M
HONEYWELL AEROSPACE INC$155.76M
HONEYWELL INTL INC$152.07M
INNIO NV$149.66M

and 1,684 more

Exited

WDC 3 11/15/28was $696.71M
IEFwas $327.48M
LYV 3.125 01/15/29was $217.30M
CTRAwas $216.41M
CLEARWATER ANALYTICS HLDGS Iwas $199.64M
430was $169.70M
GMEDwas $169.40M
PTGXwas $163.57M

and 1,336 more

Added to

IVV+335%$13.24B
AMZN+34%$2.59B
AAPL+40%$2.11B
MSFT+43%$1.41B
EA+103%$1.21B
WBD+52%$1.19B
LLY+291%$1.13B
GOOGL+5%$1.07B

and 2,382 more

Trimmed

NVDA-37%$2.36B
AVGO-11%$1.10B
AMAT-16%$781.53M
JPM-9%$724.86M
MU-87%$693.18M
META-39%$631.07M
INTC-33%$589.00M
BRK/B-9%$543.29M

and 2,094 more

Other quarters

← Q1 2026 Ken Griffin's latest portfolio

Source: SEC Form 13F-HR, accession 0001104659-26-097200, filed by CITADEL ADVISORS LLC. Values are as filed and cover US-listed positions only; a 13F does not show short positions or holdings outside the US. A 13F may be filed up to 45 days after the quarter ends, so the fund may have traded since. Educational information, not financial advice.