Qube Research & Technologies Ltd STRO — SUTRO BIOPHARMA INC

Ownership history in Qube Research & Technologies Ltd  ·  12 quarters on record

AI Ownership Summary

Qube Research & Technologies Ltd reported SUTRO BIOPHARMA INC (STRO) in 12 quarterly 13F filings from 2024 Q2 through 2026 Q3. The latest visible filing shows STRO 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 STRO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Qube Research & Technologies Ltd's position in SUTRO BIOPHARMA 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
2026 Q3

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

High-water mark
Peak Conviction
0.0% in 2026 Q3

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

Time in book
Holding Window
2024 Q2 to 2026 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.

How Qube Research & Technologies Ltd held STRO — position size vs. price
% of Fund (quarterly)    STRO price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q3 ADDED — — — 379,290 +272,680 +255.8% 0.00% $6.1M 2026-11-13 $9.82
2026 Q2 ADDED — — — 106,610 +41,384 +63.4% 0.00% $3.5M 2026-08-14 $20.48
2025 Q3 REDUCED 43.5% +27.6% ❌ 65,226 -50,175 -43.5% 0.00% $57K 2025-11-14 $9.00
2025 Q2 ADDED — — — 115,401 +46,503 +67.5% 0.00% $82K 2025-08-14 $7.80
2024 Q3 REDUCED — — — 68,898 -1,716 -2.4% 0.00% $238K 2024-11-14 $34.50
2024 Q2 ADDED — — — 70,614 +65,661 +1325.7% 0.00% $207K 2024-08-14 $35.90
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Qube Research & Technologies Ltd and STRO

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

How long has Qube Research & Technologies Ltd reported owning STRO?

Qube Research & Technologies Ltd reported STRO across 6 quarterly 13F filings, from 2024 Q2 through 2026 Q3.

What was the largest reported STRO position in Qube Research & Technologies Ltd's portfolio?

The largest reported portfolio weight for STRO was 0.00% in 2026 Q3.

What is the latest reported STRO position on this page?

The most recent filing on this page is 2026 Q3, when Qube Research & Technologies Ltd reported 379,290 shares, equal to 0.00% of portfolio, with an estimated market value of $6.1M.

What does the chart on this STRO ownership page compare?

The chart compares Qube Research & Technologies Ltd's quarterly STRO 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 Qube Research & Technologies Ltd time their STRO position?

Based on 13F filing dates vs. subsequent STRO price moves, Qube Research & Technologies Ltd correctly timed 3 out of 11 reported position changes (27%). The annualised alpha on STRO relative to SPY over the holding period was -87.4%.

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