PRAX PRAXIS PRECISION MEDICINES I

Ownership history in JANE STREET GROUP, LLC  ·  19 quarters on record

AI Ownership Summary

JANE STREET GROUP, LLC reported PRAXIS PRECISION MEDICINES I (PRAX) in 19 quarterly 13F filings from 2023 Q4 through 2025 Q4. The latest visible filing shows PRAX 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 PRAX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was JANE STREET GROUP, LLC's position in PRAXIS PRECISION MEDICINES I, 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 Q4

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

High-water mark
Peak Conviction
0.0% in 2025 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 Q4

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 JANE STREET GROUP, LLC held PRAX — position size vs. price
% of Fund (quarterly)    PRAX price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 19 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 73,800 +25,100 +51.5% 0.00% $21.8M 2026-02-14 (Est.) $317.25
2025 Q4 ADDED 48,700 +17,013 +53.7% 0.00% $14.4M 2026-02-14 (Est.) $317.25
2025 Q3 ADDED 31,687 +19,387 +157.6% 0.00% $1.7M 2025-11-14 $186.42
2025 Q3 REDUCED 12,300 -3,900 -24.1% 0.00% $652K 2025-11-14 $186.42
2025 Q3 ADDED 16,200 +3,197 +24.6% 0.00% $859K 2025-11-14 $186.42
2025 Q2 REDUCED 13,003 -4,797 -26.9% 0.00% $547K 2025-08-14 $47.70
2025 Q2 ADDED 17,800 +8,311 +87.6% 0.00% $748K 2025-08-14 $47.70
2025 Q1 REDUCED 9,489 -26,711 -73.8% 0.00% $359K 2025-05-14 $37.10
2025 Q1 ADDED 36,200 +23,100 +176.3% 0.00% $1.4M 2025-05-14 $37.10
2025 Q1 REDUCED 13,100 -24,044 -64.7% 0.00% $496K 2025-05-14 $37.10
2024 Q4 ADDED 37,144 +19,844 +114.7% 0.00% $2.9M 2025-02-14 $90.77
2024 Q4 ADDED 17,300 +4,900 +39.5% 0.00% $1.3M 2025-02-14 $90.77
2024 Q4 REDUCED 12,400 -26,145 -67.8% 0.00% $954K 2025-02-14 $90.77
2024 Q3 ADDED 38,545 +24,645 +177.3% 0.00% $2.2M 2024-11-15 $71.76
2024 Q3 REDUCED 13,900 -6,300 -31.2% 0.00% $800K 2024-11-15 $71.76
2024 Q3 REDUCED 20,200 -11,893 -37.1% 0.00% $1.2M 2024-11-15 $71.76
2024 Q2 REDUCED 32,093 -14,973 -31.8% 0.00% $1.3M 2024-08-15 $54.50
2024 Q1 ADDED 47,066 +36,490 +345.0% 0.00% $2.9M 2024-05-16 $45.21
2023 Q4 INITIATED 10,576 0.00% $236K 2024-02-15 $41.34

🏢 Other funds also holding PRAX

As of 2026 Q1 — sorted by position size

GAMMA Investing LLC 0.0%

FAQ About JANE STREET GROUP, LLC and PRAX

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

How long has JANE STREET GROUP, LLC reported owning PRAX?

JANE STREET GROUP, LLC reported PRAX across 19 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported PRAX position in JANE STREET GROUP, LLC's portfolio?

The largest reported portfolio weight for PRAX was 0.00% in 2025 Q4.

What is the latest reported PRAX position on this page?

The most recent filing on this page is 2025 Q4, when JANE STREET GROUP, LLC reported 73,800 shares, equal to 0.00% of portfolio, with an estimated market value of $21.8M.

What does the chart on this PRAX ownership page compare?

The chart compares JANE STREET GROUP, LLC's quarterly PRAX 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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