Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in DRDBW held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | 1.8M | $390K | 0.0% | 8.059% | 0.08% |
| 2 | ARISTEIA CAPITAL LLC | 617K | $136K | 0.0% | 2.709% | 0.00% |
| 3 | CNH PARTNERS LLC | 566K | $120K | -5.7% | 2.485% | 0.00% |
| 4 | TORONTO DOMINION BANK | 546K | $116K | +19.3% | 2.398% | 0.00% |
| 5 | LMR Partners LLP | 505K | $107K | 0.0% | 2.217% | 0.00% |
| 6 | TENOR CAPITAL MANAGEMENT Co., L.P. | 505K | $107K | 0.0% | 2.217% | 0.00% |
| 7 | Magnetar Financial LLC | 500K | $106K | 0.0% | 2.195% | 0.00% |
| 8 | Shaolin Capital Management LLC | 449K | $95K | -0.1% | 1.973% | 0.00% |
| 9 | Fort Baker Capital Management LP | 403K | $86K | 0.0% | 1.768% | 0.01% |
| 10 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 375K | $80K | 0.0% | 1.646% | 0.00% |
| 11 | Walleye Capital LLC | 364K | $77K | 0.0% | 1.597% | 0.00% |
| 12 | Bulldog Investors, LLP | 339K | $72K | -0.3% | 1.486% | 0.02% |
| 13 | METEORA CAPITAL, LLC | 334K | $71K | +0.0% | 1.468% | 0.01% |
| 14 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 200K | $42K | 0.0% | 0.878% | 0.00% |
| 15 | WHITEBOX ADVISORS LLC | 200K | $42K | 0.0% | 0.878% | 0.00% |
| 16 | BNP PARIBAS ARBITRAGE, SA | 200K | $42K | 0.0% | 0.877% | 0.00% |
| 17 | PERISCOPE CAPITAL INC. | 190K | $40K | +1.3% | 0.834% | 0.01% |
| 18 | Saba Capital Management, L.P. | 174K | $37K | 0.0% | 0.765% | 0.00% |
| 19 | Nokomis Capital, L.L.C. | 165K | $35K | -0.1% | 0.725% | 0.01% |
| 20 | Hudson Bay Capital Management LP | 157K | $33K | 0.0% | 0.689% | 0.00% |
| 21 | LINDEN ADVISORS LP | 150K | $33K | 0.0% | 0.658% | 0.00% |
| 22 | D. E. Shaw & Co., Inc. | 150K | $32K | 0.0% | 0.658% | 0.00% |
| 23 | Westchester Capital Management, LLC | 150K | $32K | 0.0% | 0.658% | 0.00% |
| 24 | CSS LLC/IL | 141K | $30K | 0.0% | 0.617% | 0.00% |
| 25 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | 125K | $29K | +39.3% | 0.548% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in DRDBW — a direct measure of their conviction.
Filings activity in DRDBW during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new DRDBW position in Q1 2026
Institutions that fully closed their DRDBW position in Q1 2026
5 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 37 | +2.8% | 35.81% | 62.29 pp | $2M | 64% |
| Q4 2025 | 36 | +2.9% | 98.10% | +15.19 pp | $6M | +18% |
| Q3 2025 | 35 | 5.4% | 82.91% | +2.58 pp | $5M | +3.2% |
| Q2 2025 | 37 | +28% | 80.33% | +35.66 pp | $5M | +80% |
| Q1 2025 | 29 | — | 44.67% | — | $3M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying DRDBW stock.
Based on Q1 2026 13F filings, institutional ownership of Roman DBDR Acquisition Corp. II stands at 35.8%, held across 37 reporting institutions.
Harraden Circle Investments, LLC is the largest reported institutional holder of DRDBW, with approximately 1,835,778 shares worth $0.00B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of DRDBW.
Our composite Smart Money Score for DRDBW is 30 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
3 institutions opened new positions in DRDBW during Q1 2026, while 2 fully exited. 0 added to existing positions and 34 trimmed.
DRDBW institutional ownership fell by 62.29 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 63.3% of all reported 13F value in DRDBW, and the top 25 account for 93.9%.
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.
Roman DBDR Acquisition Corp. II (DRDBW) Institutional Ownership