Who owns Helix Acquisition Corp. III?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of HLXC from SEC Form 13F filings across 40 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 40 institutions disclosed 17.5M shares of Helix Acquisition Corp. III worth $186.3M — about 98.8% of shares outstanding; the largest disclosed holder is Cormorant Asset Management, LP. Source: SEC Form 13F filings, parsed by EvidInvest.
40
13F holders
$186.3M
value, 2026 filers
98.8%
of shares outstanding (17.5M sh)
1
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of HLXC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Cormorant Asset Management, LP | 1.3M | $13.8M | 0.7% | 7.3% | 0.0% |
| 2 | Affinity Asset Advisors, LLC | 1.3M | $13.3M | 0.6% | 7% | 0.0% |
| 3 | Nantahala Capital Management, LLC | 1.3M | $13.3M | 0.4% | 7% | 0.0% |
| 4 | RA CAPITAL MANAGEMENT, L.P. | 1.3M | $13.3M | 0.1% | 7% | 0.0% |
| 5 | SILVERARC CAPITAL MANAGEMENT, LLC | 1.2M | $12.5M | 1.3% | 6.6% | -2.6% |
| 6 | Decagon Asset Management LLP | 1.0M | $11.1M | 2.1% | 5.9% | +30.8% |
| 7 | ADAR1 Capital Management, LLC | 1.0M | $10.6M | 0.5% | 5.6% | 0.0% |
| 8 | Balyasny Asset Management L.P. | 990,000 | $10.5M | 0.0% | 5.6% | 0.0% |
| 9 | BRAIDWELL LP | 900,000 | $9.5M | 0.4% | 5.1% | 0.0% |
| 10 | Sculptor Capital LP | 872,563 | $9.3M | 0.1% | 4.9% | +9.8% |
| 11 | MILLENNIUM MANAGEMENT LLC | 865,893 | $9.2M | 0.0% | 4.9% | +1.2% |
| 12 | J. Goldman & Co LP | 725,000 | $7.7M | 0.2% | 4.1% | +31.8% |
| 13 | TORONTO DOMINION BANK | 625,000 | $6.7M | 0.0% | 3.5% | -28.5% |
| 14 | Spruce Street Capital LP | 500,000 | $5.3M | 1.0% | 2.8% | 0.0% |
| 15 | Commodore Capital LP | 500,000 | $5.3M | 0.3% | 2.8% | 0.0% |
| 16 | SONA ASSET MANAGEMENT (US) LLC | 350,000 | $3.7M | 0.1% | 2% | 0.0% |
| 17 | TWO SIGMA INVESTMENTS, LP | 271,875 | $2.9M | 0.0% | 1.5% | 0.0% |
| 18 | Longaeva Partners L.P. | 246,709 | $2.6M | 0.1% | 1.4% | -0.3% |
| 19 | BERKLEY W R CORP | 223,830 | $2.4M | 0.1% | 1.3% | 0.0% |
| 20 | EcoR1 Capital, LLC | 200,000 | $2.1M | 0.1% | 1.1% | 0.0% |
| 21 | Laurion Capital Management LP | 200,000 | $2.1M | 0.1% | 1.1% | 0.0% |
| 22 | ExodusPoint Capital Management, LPNEW | 200,000 | $2.1M | 0.0% | 1.1% | new |
| 23 | READYSTATE ASSET MANAGEMENT LP | 199,974 | $2.1M | 0.1% | 1.1% | 0.0% |
| 24 | DLD Asset Management, LP | 194,846 | $2.1M | 0.1% | 1.1% | 0.0% |
| 25 | Radcliffe Capital Management, L.P. | 173,974 | $1.9M | 0.1% | 1% | +2.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.