Canonical: https://ownershiptrace.com/13f/companies/3003

# Who owns ACACIA RESEARCH CORP (ACTG)? Elite investor 13F holders

2 tracked elite investors reported holding ACACIA RESEARCH CORP as of 2026-06-30, including Starboard Value, Renaissance Technologies LLC. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

2 tracked investors currently reported holding · Latest report period: 2026-06-30 · Financials · Financial Services

Acacia Research Corporation operates as an acquirer and operator of businesses across industrial, energy, and technology sectors in the Americas, Europe, the Middle East, Africa, and the Asia-Pacific. It operates through four segments: Intellectual Property Operations, Industrial Operations, Energy Operations, and Manufacturing Operations. The company is involved in investing in IP; and licensing…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Starboard Value](https://ownershiptrace.com/13f/investors/92) | ACACIA RESEARCH | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 284835953.00 USD | 61123595.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1517137/0000921895-26-002172-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | ACACIA RESEARCH | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 6594310.00 USD | 1415088.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

This public summary shows the default reporting scope. Enable JavaScript for interactive filters, charts, and additional rows.

[How to read the data](https://ownershiptrace.com/docs#reading-the-data) · [Disclaimer](https://ownershiptrace.com/disclaimer)