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Cubist Systematic Strategies, LLC

Location
STAMFORD, CT
Portfolio Value
Large $19,951,147,193
Diversification
Diversified
Filing Date
Global Rank
#293 / 8,106 ▼ 8 · as of Sep 2025
Top Industry
Software - Infrastructure 7.1%
Period ended 1 year ago
Filed Nov 14, 2025 · 11mo
23 quarters · since Mar 2020

Regulatory profile

From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.

Holder type
Unknown

Portfolio style

Measured from the filed 13F common-share book for Sep 30, 2025, never from the firm's own description.

Style
Systematic-like
1,405 stocks (500+), trailing annual turnover 218.4% (100%+), top 10 weight 8.1% (25% or less)
Turnover
High turnover
218.4% over the last four quarters (100%+)
Horizon
Horizon unknown
The value-weighted holding period is at least 3.4 quarters, but 2.7% of the book was already held when coverage starts

Closest benchmark: the Russell 2000 as of 2025-09-30, active share 78.3%; sector active share 20.6% against the combined 13F book's sector weights.

Over time 23 measured quarters

How the bands are measured

Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.

Clone Performance

Build a hypothetical price-return history from this filer's public 13F holdings.

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Portfolio Concentration

2,001 tracked positions · as of Sep 30, 2025 · Δ vs Jun 30, 2025
Top Position
2.0%
−0.3 pts
Top 5
6.9%
+0.8 pts
Top 10
10.8%
+0.8 pts
HHI
33
Dec 2022 → Sep 2025 · range 20 – 36
Diversified+1

Portfolio Trend

23 quarters · across all stocks

Sector Breakdown

As of Sep 30, 2025
Sector % Portfolio Value
Technology 26.0% $5,183,769,926
Industrials 12.4% $2,476,097,207
Financial Services 11.4% $2,274,310,095
Consumer Cyclical 10.7% $2,136,094,325
Healthcare 8.9% $1,769,643,025
Communication Services 6.7% $1,346,084,747
Unclassified 5.8% $1,150,243,010
Basic Materials 4.8% $959,783,628
Consumer Defensive 4.7% $933,557,399
Energy 4.2% $844,588,253
Utilities 2.8% $561,127,151
Real Estate 1.6% $315,848,427

Last Quarter's Activity

Export CSV
Sep 30, 2025 vs Jun 30, 2025

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open
— −2,796,049 877,635 $0
— −1,341,493 861,451 $0
— −750,010 134,883 $0
— −645,364 363,542 $0

New Positions

Positions the filer opened this quarter
25 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
2,001 tracked positions · $19,951,147,193 total · filing declares 2,948 positions · $20,992,806,237 · as of Sep 30, 2025
Showing 1–50 of 2,001 positions by value · page 1 of 41
Ticker Company Shares Value (USD) % of Portfolio History

Showing the top 50 of 2,001 positions. Create a free account to see every position, past quarters, search, filters and CSV export.

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.