Multi-strategy fundMiami13F filer since 2010

Citadel Advisors

Managed by Ken Griffin, founder and CEO

13F portfolio value$171.8BQ2 2026 · up 24% vs Q1

Positions62931664 new · 1331 sold out

Top 10 weight16%of portfolio value

Turnover41%vs Q1

Largest holdingIVV7.7% of portfolio

Last filingAug 14for Q2 2026

What changed in Q2 2026

Automated summary of the 13F · filed Aug 14, 2026

Added to IVV (+335% shares) and AMZN (+34% shares); new positions in SPCX, CBRS and MAIR.

Biggest cut: MU (−87% of shares). Sold out of IEF, CTRA and Clearwater Analytics Hldgs I.

Since the quarter ended, the top 10 holdings on Markets are up about 7.8% on average, led by MSFT and AAPL.

Holdings · Q2 2026

1IVVIshares TR7.7%$13.24B17.7MAdded +335%——

2AMZNAmazon.com, Inc.1.5%$2.59B10.9MAdded +34%+11.8%1.0%

3NVDANVIDIA Corporation1.4%$2.36B11.8MTrimmed −37%−13.0%14.2%

4AAPLApple Inc.1.2%$2.11B7.3MAdded +40%+23.0%7.3%

5MSFTMicrosoft Corporation0.8%$1.41B3.8MAdded +43%+39.6%1.1%

6Electronic ArtsElectronic Arts0.7%$1.21B5.9MAdded +103%——

7Warner Bros DiscoveryWarner Bros Discovery0.7%$1.19B44.6MAdded +52%——

8LLYEli Lilly0.7%$1.13B945KAdded +291%+19.9%—

9AVGOBroadcom Inc.0.6%$1.10B2.9MTrimmed −11%−8.5%—

10GOOGLAlphabet Inc.0.6%$1.07B3.0MAdded +5%−17.8%—

Sector allocation

Technology9%−0.2 ptConsumer discretionary3%−0.3 ptHealthcare2%+0.1 ptFinancials2%−0.3 ptConsumer staples2%+0.3 ptOther82%+0.5 pt

Change shown in percentage points vs Q1. Holdings outside Markets’ coverage count as Other.

Reported portfolio value

$93.7B

$106.7B

$100.8B

$113.5B

$122.3B

$145.0B

$138.7B

$171.8B

Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26

13F market value at each quarter end, US long positions only.

Next filing

In 4 daysQ3 2026 13F due Nov 16Follow to get an alert the day they file, with what changed.

Similar investors

Millennium ManagementMulti-strategy fund · $142.9B95% overlap AQR Capital ManagementQuant fund · $286.8B94% overlap Two Sigma InvestmentsQuant fund · $128.6B89% overlap Gotham Asset ManagementValue fund · $43.0B83% overlap

Trader Flow

Most ordered from this portfolio

Share of today’s orders across the 5ers firms: NVDA (14.2%), TSLA (8.8%), AAPL (7.3%), SMCI (3.5%). NVDA is one of this investor’s top 10 holdings.

About this data

From SEC Form 13F, filed up to 45 days after each quarter ends. Positions may have changed since.
Long US-listed stocks and ETFs only. No shorts, options, cash, bonds or non-US holdings.
“Since quarter end” uses today’s delayed price, not the investor’s cost.

View the filing on SEC.gov

Not investment advice. From SEC Form 13F filings (SEC EDGAR 13F). Following an investor alerts you when their next filing lands; it does not copy trades.