RNTX β€” AILERON THERAPEUTICS INC

Ownership history in XTX Topco Ltd  Β·  2 quarters on record

AI Ownership Summary

XTX Topco Ltd reported AILERON THERAPEUTICS INC (RNTX) in 2 quarterly 13F filings from 2024 Q4 through 2025 Q3. The latest visible filing shows RNTX 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.

What this RNTX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was XTX Topco Ltd's position in AILERON THERAPEUTICS 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

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

High-water mark
Peak Conviction
0.0% 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
2024 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.

How XTX Topco Ltd held RNTX β€” position size vs. price
% of Fund (quarterly)    RNTX price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 2 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 14,984 -1,054 -6.6% 0.00% $17K 2025-11-14 $1.25
2024 Q4 INITIATED 16,038 β€” β€” 0.00% $37K 2025-02-13 $2.35

FAQ About XTX Topco Ltd and RNTX

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

How long has XTX Topco Ltd reported owning RNTX?

XTX Topco Ltd reported RNTX across 2 quarterly 13F filings, from 2024 Q4 through 2025 Q3.

What was the largest reported RNTX position in XTX Topco Ltd's portfolio?

The largest reported portfolio weight for RNTX was 0.00% in 2024 Q4.

What is the latest reported RNTX position on this page?

The most recent filing on this page is 2025 Q3, when XTX Topco Ltd reported 14,984 shares, equal to 0.00% of portfolio, with an estimated market value of $17K.

What does the chart on this RNTX ownership page compare?

The chart compares XTX Topco Ltd's quarterly RNTX 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.

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