Cubist Systematic Strategies, LLC GH — GUARDANT HEALTH INC

Ownership history in Cubist Systematic Strategies, LLC  ·  28 quarters on record

AI Ownership Summary

Cubist Systematic Strategies, LLC reported GUARDANT HEALTH INC (GH) in 28 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.1% in 2024 Q4. The latest visible filing shows GH at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this GH ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Cubist Systematic Strategies, LLC's position in GUARDANT HEALTH INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

GH was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.1% in 2024 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

GH stock page Cubist Systematic Strategies, LLC fund profile Cubist Systematic Strategies, LLC full holdings
How Cubist Systematic Strategies, LLC held GH — position size vs. price
% of Fund (quarterly)    GH price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 11 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 97.7% +62.3% ❌ 7,500 -321,822 -97.7% 0.00% $469K 2025-11-14 (Est.) $94.37
2025 Q2 ADDED — — — 329,322 +269,575 +451.2% 0.08% $17.1M 2025-08-14 $60.36
2025 Q1 REDUCED 88.7% +22.2% ❌ 59,747 -466,789 -88.7% 0.02% $2.5M 2025-05-15 $40.46
2024 Q4 ADDED — — — 526,536 +513,236 +3858.9% 0.10% $16.1M 2025-02-14 $48.12
2024 Q4 UNCHANGED — — — 13,300 — 0% 0.00% $406K 2025-02-14 $48.12
2024 Q3 ADDED — — — 13,300 +4,000 +43.0% 0.00% $305K 2024-11-14 $30.21
2024 Q2 REDUCED 97.5% -20.6% ✅ 9,300 -364,830 -97.5% 0.00% $269K 2024-08-14 $29.05
2024 Q2 ADDED — — — 374,130 +308,621 +471.1% 0.07% $10.8M 2024-08-14 $29.05
2024 Q1 ADDED — — — 65,509 +54,409 +490.2% 0.01% $1.4M 2024-05-15 $25.75
2023 Q4 REDUCED 96.9% -25.1% ✅ 11,100 -343,394 -96.9% 0.00% $300K 2024-02-14 $22.05
2023 Q4 ADDED — — — 354,494 +345,094 +3671.2% 0.06% $9.6M 2024-02-14 $22.05
17 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding GH

As of 2026 Q1 — sorted by position size

Blue Water Life Science Advisors, LP 3Y 17.94% CADIAN CAPITAL MANAGEMENT, LP 3Y 7Y 8.77% Sicart Associates LLC 3Y 7Y 5.46% Deep Track Capital, LP 3Y 5.04% Eagle Health Investments LP 3Y 5.01% Exome Asset Management LLC 3.95% EVENTIDE ASSET MANAGEMENT, LLC 3Y 7Y 3.61% Adalta Capital Management LLC 3Y 7Y 2.72% EMERALD ADVISERS, LLC 3Y 7Y 2.46% EMERALD MUTUAL FUND ADVISERS TRUST 3Y 7Y 2.33%

FAQ About Cubist Systematic Strategies, LLC and GH

These are the practical questions this page is built to answer before you even open the full history table.

How long has Cubist Systematic Strategies, LLC reported owning GH?

Cubist Systematic Strategies, LLC reported GH across 11 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported GH position in Cubist Systematic Strategies, LLC's portfolio?

The largest reported portfolio weight for GH was 0.10% in 2024 Q4.

What is the latest reported GH position on this page?

The most recent filing on this page is 2025 Q3, when Cubist Systematic Strategies, LLC reported 7,500 shares, equal to 0.00% of portfolio, with an estimated market value of $469K.

What does the chart on this GH ownership page compare?

The chart compares Cubist Systematic Strategies, LLC's quarterly GH portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Cubist Systematic Strategies, LLC time their GH position?

Based on 13F filing dates vs. subsequent GH price moves, Cubist Systematic Strategies, LLC correctly timed 14 out of 26 reported position changes (54%). The annualised alpha on GH relative to SPY over the holding period was -11.0%.

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