Who owns Helix Acquisition Corp. III, 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).
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.
BALYASNY ASSET MANAGEMENT L.P.: 7.0% · 1,236,709 shares — BAM GP LLC: 7.0% · 1,236,709 shares — Balyasny Asset Management Holdings LP: 7.0% · 1,236,709 shares
ADAR1 Capital Management, LLC: 5.6% · 1,000,000 shares — Daniel Schneeberger: 5.6% · 1,000,000 shares
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Sign up freeEvery 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 Helix Acquisition Corp. III they hold.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. | $829M | 14,595,837 | 0.01% | — | June 30, 2026 |
| VANGUARD GROUP INC | $701M | 11,899,308 | 0.01% | — | December 31, 2025 |
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Sign up freeFunds 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 |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $200M | 0.01% | — | June 30, 2026 |
| iShares Core S&P Mid-Cap ETF | $194M | 0.16% | — | June 30, 2026 |
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