Ticker · CUSIP 00887A204
Holders (tracked)
3
Combined shares
184,492
Combined value
$214.0K
Last close
$1.76
Quarter
2025Q4
Price · 1Y$1.76+0.06 (+3.53%)H $2.36 · L $1.07 · Avg Vol 315K
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +51.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
4 events
- Ken Griffin (Citadel Advisors) added2026-02-17+91,882 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+41,709 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+4,402 shares · 2025Q4Position
- Renaissance Technologies opened position2025-11-13+18,298 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of RNTX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Two Sigma Investments | 2025Q4 | $1.16 | +51.7% | $73K |
| Ken Griffin (Citadel Advisors) | 2024Q1 | $1.56 | +12.7% | $211K |
| Renaissance Technologies | 2022Q4 | $2.78 | -36.7% | $40K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Two Sigma Investments+41,709$48K
Added to2
- Ken Griffin (Citadel Advisors)+91,882$107K
- Renaissance Technologies+4,402$5K
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q4 | 2 | $25K |
| 2023Q1 | 2 | $16K |
| 2023Q2 | 2 | $28K |
| 2023Q3 | 2 | $29K |
| 2023Q4 | 2 | $86K |
| 2024Q1 | 2 | $389K |
| 2024Q2 | 2 | $156K |
| 2024Q3 | 1 | $47K |
| 2025Q2 | 1 | $67K |
| 2025Q3 | 2 | $53K |
| 2025Q4 | 3 | $214K |
Who owns RNTX
3 super-investors · 2025Q4
Tracked stake
184.5K
shares
Combined value
$214K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 120.1K | $139K |
| 2 | Two Sigma Investments | 41.7K | $48K |
| 3 | Renaissance Technologies | 22.7K | $26K |
Recent moves
16 transactions
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