Ticker · CUSIP 27828Q105
Holders (tracked)
1
Combined shares
12,852
Combined value
$143.2K
Last close
$11.82
Quarter
2025Q4
Price · 1Y$11.79-0.41 (-3.36%)H $12.61 · L $11.75 · Avg Vol 0
Position opened
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +6.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
1 events
- +12,852 shares · 2025Q4Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of XEFRX…
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 |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2020Q1 | $9.89 | +19.6% | $152K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2018Q4 | 1 | $566K |
| 2019Q1 | 1 | $146K |
| 2019Q2 | 1 | $248K |
| 2019Q4 | 1 | $3.6M |
| 2020Q1 | 1 | $301K |
| 2020Q4 | 1 | $11.2M |
| 2021Q1 | 2 | $7.9M |
| 2022Q1 | 1 | $164K |
| 2022Q2 | 1 | $2.8M |
| 2022Q3 | 1 | $2.7M |
| 2022Q4 | 1 | $3.3M |
| 2023Q1 | 1 | $3.4M |
| 2023Q2 | 1 | $3.54B |
| 2023Q3 | 1 | $2.98B |
| 2024Q4 | 1 | $352K |
| 2025Q4 | 1 | $143K |
Who owns XEFRX
1 super-investors · 2025Q4
Tracked stake
12.9K
shares
Combined value
$143K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 12.9K | $143K |
Recent moves
20 transactions
- +12,852 · 2025Q4
- −245,996 · 2023Q4
- −54,942 · 2023Q3
- +54,529 · 2022Q4
- +21,959 · 2022Q3
- +224,450 · 2022Q2
- −12,232 · 2022Q2
- +12,232 · 2022Q1
- −556,064 · 2021Q2
- −18,099 · 2021Q2
- +18,099 · 2021Q1
- −326,875 · 2021Q1
- +882,939 · 2020Q4
- −30,444 · 2020Q2
- +30,444 · 2020Q1
- −263,583 · 2020Q1
- +263,583 · 2019Q4
- −18,926 · 2019Q3
- +7,690 · 2019Q2
- −33,868 · 2019Q1
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- XEFRX insider tradingEvery Form 4 filing by XEFRX officers, directors, and 10%+ holders.
- XEFRX analyst target pricesWall Street consensus target, analyst-by-analyst breakdown, and revision history.
- Most popular hedge-fund stocksSee where this ticker ranks against the broader smart-money consensus.
- All insider tradingCross-ticker view of where corporate insiders are buying on the open market.
- Congress stock tradesReal-time PTR disclosures filed under the STOCK Act.
- Smart-money signalsComposite signals where institutional, insider and Congress flows converge.