Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in DRDB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BERKLEY W R CORP | 1.8M | $18.9M | +572.9% | 7.906% | 1.01% |
| 2 | JPMORGAN CHASE & CO | 1.7M | $18.0M | β | 7.548% | 1.14% |
| 3 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | 1.7M | $18.0M | +587.7% | 7.548% | 1.14% |
| 4 | Fort Baker Capital Management LP | 1.5M | $16.0M | 0.0% | 6.689% | 1.57% |
| 5 | ARISTEIA CAPITAL LLC | 1.2M | $12.9M | 0.0% | 5.418% | 0.29% |
| 6 | D. E. Shaw & Co., Inc. | 1.1M | $11.9M | +4.2% | 4.995% | 0.01% |
| 7 | TENOR CAPITAL MANAGEMENT Co., L.P. | 1.1M | $11.6M | 0.0% | 4.873% | 0.18% |
| 8 | CNH PARTNERS LLC | 1.1M | $11.3M | -4.5% | 4.752% | 0.19% |
| 9 | Crossingbridge Advisors, LLC | 1.0M | $10.8M | β | 4.533% | 1.96% |
| 10 | LMR Partners LLP | 1.0M | $10.6M | 0.0% | 4.435% | 0.08% |
| 11 | Magnetar Financial LLC | 1.0M | $10.5M | 0.0% | 4.390% | 0.11% |
| 12 | MIZUHO SECURITIES USA LLC | 1.0M | $10.4M | +540.2% | 4.390% | 0.25% |
| 13 | METEORA CAPITAL, LLC | 952K | $10.0M | -52.0% | 4.181% | 0.74% |
| 14 | TWO SIGMA INVESTMENTS, LP | 725K | $7.6M | 0.0% | 3.183% | 0.01% |
| 15 | Radcliffe Capital Management, L.P. | 525K | $5.5M | 0.0% | 2.306% | 0.41% |
| 16 | LINDEN ADVISORS LP | 500K | $5.2M | 0.0% | 2.195% | 0.03% |
| 17 | Vivaldi Asset Management, LLC | 453K | $4.7M | -2.5% | 1.990% | 0.25% |
| 18 | TORONTO DOMINION BANK | 425K | $4.4M | -34.4% | 1.866% | 0.01% |
| 19 | WHITEBOX ADVISORS LLC | 400K | $4.2M | 0.0% | 1.756% | 0.06% |
| 20 | GOLDMAN SACHS GROUP INC | 399K | $4.2M | 0.0% | 1.753% | 0.00% |
| 21 | B. Riley Financial, Inc. | 606K | $3.2M | 0.0% | 2.660% | 0.70% |
| 22 | Verition Fund Management LLC | 268K | $2.8M | +41.7% | 1.175% | 0.02% |
| 23 | Schonfeld Strategic Advisors LLC | 267K | $2.8M | +16.8% | 1.171% | 0.02% |
| 24 | WOLVERINE ASSET MANAGEMENT LLC | 252K | $2.6M | +19.9% | 1.106% | 0.04% |
| 25 | PERISCOPE CAPITAL INC. | 225K | $2.4M | -43.8% | 0.988% | 0.41% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in DRDB β a direct measure of their conviction.
Filings activity in DRDB during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new DRDB position in Q1 2026
Institutions that fully closed their DRDB position in Q1 2026
5 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 51 | +4.1% | 101.73% | +10.51 pp | $244M | +12% |
| Q4 2025 | 49 | +2.1% | 91.22% | +2.51 pp | $219M | +2.8% |
| Q3 2025 | 48 | 5.9% | 88.71% | +7.08 pp | $213M | +8.7% |
| Q2 2025 | 51 | +42% | 81.63% | +22.99 pp | $196M | +39% |
| Q1 2025 | 36 | β | 58.64% | β | $141M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying DRDB stock.
Based on Q1 2026 13F filings, institutional ownership of Roman DBDR Acquisition Corp. II stands at 101.7%, held across 51 reporting institutions.
BERKLEY W R CORP is the largest reported institutional holder of DRDB, with approximately 1,800,830 shares worth $0.02B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of DRDB, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for DRDB is 60 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
12 institutions opened new positions in DRDB during Q1 2026, while 10 fully exited. 27 added to existing positions and 12 trimmed.
DRDB institutional ownership rose by 10.51 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 57.4% of all reported 13F value in DRDB, and the top 25 account for 90.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.