DRDB — Roman DBDR Acquisition Corp. II
Price · 2025-02-03 → 2026-08-21
390 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2025-02-03.
Performance
Technicals
Measured signals that fired on DRDB
| date | signal | measured base rate |
|---|---|---|
| 2026-07-06 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-06-24 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-05-18 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-04-30 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-03-04 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BERKLEY W R CORP | 18.9M | 1.8M |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 18.0M | 1.7M |
| Fort Baker Capital Management LP | 16.0M | 1.5M |
| ARISTEIA CAPITAL, L.L.C. | 12.9M | 1.2M |
| D. E. Shaw & Co., Inc. | 11.9M | 1.1M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 11.6M | 1.1M |
| AQR Arbitrage LLC | 11.3M | 1.1M |
| Crossingbridge Advisors, LLC | 10.8M | 1.0M |
| LMR Partners LLP | 10.6M | 1.0M |
| Magnetar Financial LLC | 10.5M | 1.0M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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