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Ownership

Who owns Roman DBDR Acquisition Corp. II, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).

Stakes over 5%

Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.

AQR Capital Management, LLC, AQR Capital Management Holdings, LLC, AQR Arbitrage, LLC August 14, 2026

AQR Capital Management, LLC: 5.1% · 1,179,039 shares — AQR Capital Management Holdings, LLC: 5.1% · 1,179,039 shares — AQR Arbitrage, LLC: 5.1% · 1,179,039 shares

Aristeia Capital, L.L.C. August 14, 2026

Aristeia Capital, L.L.C.: 4.5% · 1,034,023 shares

16 more 5% stakes behind a free account

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Super investors holding DRDB

Every institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Roman DBDR Acquisition Corp. II they hold.

Investor Position value Shares % of their portfolio % of company As of
MIZUHO SECURITIES USA LLC $26.9M 2,571,027 0.26% June 30, 2026
BERKLEY W R CORP $24M 2,276,587 1.10% June 30, 2026

63 more institutional holders behind a free account

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Funds holding DRDB

Funds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets.

Fund Position value % of net assets % of company As of
First Trust Merger Arbitrage Fund $3.93M 0.25% March 31, 2026
RIVERPARK SHORT TERM HIGH YIELD FUND $2.98M 0.60% June 30, 2026

5 more funds behind a free account

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