# Dune Acquisition Corporation II SHS CL A

Dune Acquisition Corporation II SHS CL A is a security (CUSIP G2867S109) tracked across SEC portfolio filings. 47 institutional managers reported $138.0M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $2.9M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Dune Acquisition Corporation II
- Class: SHS CL A
- CUSIP: G2867S109
- Asset category: EC
- 13F holders: 47
- 13F value: $138.0M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $2.9M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 47 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| ARISTEIA CAPITAL LLC | GREENWICH, CT | $11.4M | 1,100,000 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://search.stillhousedata.com/firm/153277) | NEW YORK, NY | $10.3M | 1,000,000 |
| Magnetar Financial LLC | Evanston, IL | $8.8M | 850,000 |
| [First Trust Capital Management L.P.](https://search.stillhousedata.com/firm/317825) | Chicago, IL | $7.2M | 699,992 |
| [Westchester Capital Management, LLC](https://search.stillhousedata.com/firm/155686) | VALHALLA, NY | $6.9M | 666,477 |
| BERKLEY W R CORP | Greenwich, CT | $6.7M | 648,960 |
| D. E. Shaw & Co., Inc. | New York, NY | $6.2M | 598,000 |
| [Polar Asset Management Partners Inc.](https://search.stillhousedata.com/firm/162681) | TORONTO, A6 | $5.9M | 574,900 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://search.stillhousedata.com/firm/138907) | CHICAGO, IL | $5.9M | 570,352 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $5.6M | 544,954 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $4.7M | 453,124 |
| [MANGROVE PARTNERS](https://search.stillhousedata.com/firm/162296) | New York, NY | $4.6M | 449,995 |
| [Radcliffe Capital Management, L.P.](https://search.stillhousedata.com/firm/136028) | Bala Cynwyd, PA | $4.4M | 424,606 |
| [WHITEBOX ADVISORS LLC](https://search.stillhousedata.com/firm/121995) | MINNEAPOLIS, MN | $4.1M | 400,000 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | HARRISBURG, PA | $3.7M | 350,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| High Income Securities Fund | High Income | $2.1M | 169.70% |
| RiverNorth Opportunities Fund Inc. | RIVERNORTH OPPORTUNITIES FUND INC. | $775K | 23.90% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/G2867S109.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.