Listing (Nasdaq Trader)
Symbol Directory: QGEN →Listing ExchangeNYSE (N)
Market Category—
ETFNo
Round Lot Size100 shares
Financial StatusNormal (N)
Test IssueNo
Listing Since2026-09-20 05:30:00 UTC
SEC Ticker EquivalentQGEN
Regulatory Flags (Nasdaq Trader)
Symbol: QGENSEC Regulation SHO Threshold Security Days
Securities with persistent aggregate fail-to-deliver positions exceeding SEC Rule 203(c)(6) thresholds.
Days on List (Last 90 Trading Days)0 days
Total Historical Threshold Days38 days
First Seen on Threshold List2007-06-13
Most Recent Threshold Date2007-08-13
Rule 201 Short Sale Circuit Breakers Triggered
Alternative uptick rule (Rule 201) triggered by a ≥10% price decline from previous day's close (most recent first, up to 50 triggers).
| Trade Date | Trigger Time (ET) |
|---|---|
| 2016-01-12 | 2016-01-11T09:30:00 |
| 2016-01-11 | 2016-01-11T09:30:00 |
Nasdaq Trader Listing Event History
3 events recorded| Date | Source | Event Kind | Description |
|---|---|---|---|
| 2014-04-24 | https://web.archive.org/web/20140424061756/http://www.nasdaqtrader.com:80/dynamic/SymDir/nasdaqtraded.txt | ARCHIVED | Listed in archived Nasdaq Trader symbol directory (Wayback Machine snapshot; listing date on or before) |
| 2025-05-05 | CTA.Symbol.File | CTA_FIRST_CAPTURE | Already listed on NYSE at first CTA symbol file |
| 2026-09-20 | nasdaqtraded.txt | FIRST_CAPTURE | Already listed on NYSE at first daily capture |
Nasdaq Trader daily captures since 2026-09-20