# HELIX ACQUISITION CORP II (HLXB)

> Institutional ownership reported to the SEC as of Q2 2025, from Form 13F filings. Source: https://holderbook.com/stocks/HLXB/

- Reporting holders: 34
- Reported value: $177.6M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Cormorant Asset Management, LP](https://holderbook.com/funds/1583977-cormorant-asset-management-lp/) | $30.9M | 2,909,000 | 2.3% | 6 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $15.9M | 1,498,865 | 0.0% | 4 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $15.2M | 1,427,201 | 0.0% | 6 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](https://holderbook.com/funds/1165408-adage-capital-partners-gp-l-l-c/) | $14.9M | 1,400,000 | 0.0% | 6 |
| [PRICE T ROWE ASSOCIATES INC /MD/](https://holderbook.com/funds/80255-price-t-rowe-associates-inc-md/) | $11.4M | 1,071,550 | 0.0% | 6 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $9.5M | 897,251 | 0.0% | 6 |
| [Sculptor Capital LP](https://holderbook.com/funds/1054587-sculptor-capital-lp/) | $8.5M | 800,000 | 0.1% | 6 |
| [SILVERARC CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1816307-silverarc-capital-management-llc/) | $6.5M | 613,393 | 1.2% | 6 |
| [FARALLON CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/909661-farallon-capital-management-llc/) | $6.4M | 600,000 | 0.0% | 6 |
| [Harraden Circle Investments, LLC](https://holderbook.com/funds/1910592-harraden-circle-investments-llc/) | $6.1M | 569,831 | 1.6% | 3 |
| [BERKLEY W R CORP](https://holderbook.com/funds/11544-berkley-w-r-corp/) | $4.7M | 445,195 | 0.2% | 1 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $4.7M | 444,377 | 0.0% | 3 |
| [ADAR1 Capital Management, LLC](https://holderbook.com/funds/1940272-adar1-capital-management-llc/) | $4.7M | 442,615 | 0.7% | 6 |
| [PERCEPTIVE ADVISORS LLC](https://holderbook.com/funds/1224962-perceptive-advisors-llc/) | $4.2M | 398,000 | 0.2% | 6 |
| [Decagon Asset Management LLP](https://holderbook.com/funds/1950677-decagon-asset-management-llp/) | $3.7M | 348,223 | 2.4% | 3 |
| [STEMPOINT CAPITAL LP](https://holderbook.com/funds/1952142-stempoint-capital-lp/) | $3.3M | 315,812 | 1.1% | 6 |
| [Laurion Capital Management LP](https://holderbook.com/funds/1390202-laurion-capital-management-lp/) | $3.2M | 300,000 | 0.1% | 6 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $3.1M | 292,338 | 0.1% | 1 |
| [Octagon Capital Advisors LP](https://holderbook.com/funds/1839435-octagon-capital-advisors-lp/) | $2.7M | 250,000 | 0.6% | 6 |
| [JPMORGAN CHASE & CO](https://holderbook.com/funds/19617-jpmorgan-chase-co/) | $2.2M | 210,125 | 0.0% | 2 |
| [CLEAR STREET LLC](https://holderbook.com/funds/1708828-clear-street-llc/) | $2.2M | 205,666 | 0.0% | 1 |
| [Creative Planning](https://holderbook.com/funds/1540235-creative-planning/) | $2.1M | 200,000 | 0.0% | 1 |
| [ACUTA CAPITAL PARTNERS, LLC](https://holderbook.com/funds/1582844-acuta-capital-partners-llc/) | $2.0M | 187,257 | 2.8% | 5 |
| [WELLINGTON MANAGEMENT GROUP LLP](https://holderbook.com/funds/902219-wellington-management-group-llp/) | $2.0M | 184,590 | 0.0% | 6 |
| [TD Asset Management Inc](https://holderbook.com/funds/1056053-td-asset-management-inc/) | $1.5M | 144,772 | 0.0% | 5 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2025 | 34 | $177.6M |
| Q1 2025 | 31 | $186.3M |
| Q4 2024 | 32 | $172.7M |
| Q3 2024 | 31 | $171.1M |
| Q2 2024 | 31 | $167.4M |
| Q1 2024 | 29 | $166.9M |