TARA β€” PROTARA THERAPEUTICS INC

Ownership history in JANE STREET GROUP, LLC  Β·  12 quarters on record

AI Ownership Summary

JANE STREET GROUP, LLC reported PROTARA THERAPEUTICS INC (TARA) in 12 quarterly 13F filings from 2024 Q2 through 2025 Q4. The latest visible filing shows TARA 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 TARA 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 PROTARA 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 Q4

TARA 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
2024 Q2 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 TARA β€” position size vs. price
% of Fund (quarterly)    TARA price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 11 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 14,100 -142,035 -91.0% 0.00% $75K 2026-02-14 (Est.) $6.51
2025 Q4 ADDED 156,135 +145,135 +1319.4% 0.00% $832K 2026-02-14 (Est.) $6.51
2025 Q3 REDUCED 11,000 -34,246 -75.7% 0.00% $48K 2025-11-14 $5.51
2025 Q3 ADDED 45,246 +35,246 +352.5% 0.00% $197K 2025-11-14 $5.51
2025 Q2 REDUCED 10,000 -16,896 -62.8% 0.00% $30K 2025-08-14 $3.19
2025 Q2 ADDED 26,896 +16,596 +161.1% 0.00% $81K 2025-08-14 $3.19
2025 Q1 REDUCED 10,300 -81,155 -88.7% 0.00% $44K 2025-05-14 $3.13
2025 Q1 ADDED 91,455 +74,855 +450.9% 0.00% $390K 2025-05-14 $3.13
2024 Q4 REDUCED 16,600 -21,134 -56.0% 0.00% $88K 2025-02-14 $4.16
2024 Q4 ADDED 37,734 +24,884 +193.6% 0.00% $199K 2025-02-14 $4.16
2024 Q2 REDUCED 12,850 -828 -6.1% 0.00% $27K 2024-08-15 $2.05
1 older quarter hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding TARA

As of 2026 Q1 β€” sorted by position size

Aspect Partners, LLC 0.0% GAMMA Investing LLC 0.0% Farther Finance Advisors, LLC 0.0%

FAQ About JANE STREET GROUP, LLC and TARA

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 TARA?

JANE STREET GROUP, LLC reported TARA across 11 quarterly 13F filings, from 2024 Q2 through 2025 Q4.

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

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

What is the latest reported TARA position on this page?

The most recent filing on this page is 2025 Q4, when JANE STREET GROUP, LLC reported 14,100 shares, equal to 0.00% of portfolio, with an estimated market value of $75K.

What does the chart on this TARA ownership page compare?

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