# ARTIUS II ACQUISITION INC-A SHS CL A

ARTIUS II ACQUISITION INC-A SHS CL A is a security (CUSIP G0509J115) tracked across SEC portfolio filings. 54 institutional managers reported $207.6M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $1.5M via N-PORT as of 2026-03-31.

## Summary

- Issuer: ARTIUS II ACQUISITION INC-A
- Class: SHS CL A
- CUSIP: G0509J115
- Asset category: EC
- 13F holders: 54
- 13F value: $207.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $1.5M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 54 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| HGC Investment Management Inc. | TORONTO, A6 | $15.5M | 1,500,000 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $14.8M | 1,432,183 |
| Linden Advisors LP | New York, NY | $10.3M | 1,000,000 |
| [Westchester Capital Management, LLC](https://search.stillhousedata.com/firm/155686) | VALHALLA, NY | $10.3M | 995,939 |
| Alberta Investment Management Corp | EDMONTON, A0 | $10.3M | 980,000 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | TORONTO, A6 | $8.8M | 850,000 |
| [Polar Asset Management Partners Inc.](https://search.stillhousedata.com/firm/162681) | TORONTO, A6 | $8.3M | 800,000 |
| PICTON MAHONEY ASSET MANAGEMENT | TORONTO, A6 | $7.8M | 750,000 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $7.5M | 725,000 |
| [Radcliffe Capital Management, L.P.](https://search.stillhousedata.com/firm/136028) | Bala Cynwyd, PA | $7.0M | 678,671 |
| Magnetar Financial LLC | Evanston, IL | $6.2M | 600,000 |
| D. E. Shaw & Co., Inc. | New York, NY | $6.2M | 600,000 |
| [Shaolin Capital Management LLC](https://search.stillhousedata.com/firm/300095) | MIAMI, FL | $5.7M | 550,000 |
| Hudson Bay Capital Management LP | Greenwich, CT | $5.7M | 550,000 |
| [Sculptor Capital LP](https://search.stillhousedata.com/firm/107913) | New York, NY | $5.2M | 500,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| RiverNorth Opportunities Fund Inc. | RIVERNORTH OPPORTUNITIES FUND INC. | $1.0M | 31.90% |
| First Trust Alternative Opportunities Fund | First Trust Alternative Opportunities Fund | $465K | 1.35% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/G0509J115.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.