Quant fundNew York13F filer since 2003

Two Sigma Investments

Managed by John Overdeck & David Siegel, co-founders

13F portfolio value$128.6BQ2 2026 · up 10% vs Q1

Positions3822642 new · 413 sold out

Top 10 weight8%of portfolio value

Turnover32%vs Q1

Largest holdingAMZN1.1% of portfolio

Last filingAug 14for Q2 2026

What changed in Q2 2026

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

Added to BRK.B (+40% shares) and MA (+10% shares); new positions in INTU, XLE and SPCX.

Biggest cut: NVDA (−44% of shares). Sold out of Honeywell Intl, XLK and XLRE.

Since the quarter ended, the top 10 holdings on Markets are up about 8.6% on average, led by MA and AAPL.

Holdings · Q2 2026

1AMZNAmazon.com, Inc.1.1%$1.36B5.7MTrimmed −10%+11.8%1.0%

2NVDANVIDIA Corporation1.0%$1.26B6.3MTrimmed −44%−13.0%14.3%

3AAPLApple Inc.0.9%$1.21B4.2MTrimmed −30%+23.0%7.3%

4TSLATesla, Inc.0.9%$1.20B2.9MTrimmed −2%−7.0%8.8%

5BRK.BBerkshire Hathaway0.9%$1.14B2.3MAdded +40%+17.5%—

6JPMJPMorgan Chase0.8%$968M3.0MTrimmed −11%+4.9%—

7MAMastercard0.7%$946M1.8MAdded +10%+28.5%—

8COSTCostco Wholesale0.7%$941M1.0MAdded +15%+16.2%—

9AsmlAsml0.7%$918M462KAdded +22%——

10AMDAdvanced Micro Devices0.7%$880M1.5MAdded +10%−4.8%2.4%

Sector allocation

Technology7%−1.7 ptFinancials4%+0.8 ptConsumer discretionary3%−0.1 ptIndustrials2%0.0 ptCommunication2%−0.7 ptOther83%+1.7 pt

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

Reported portfolio value

$43.0B

$41.9B

$44.5B

$53.6B

$62.3B

$63.7B

$117.1B

$128.6B

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

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Trader Flow

Most ordered from this portfolio

Share of today’s orders across the 5ers firms: NVDA (14.3%), 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.