Quick Takeaways
- Starboard Value LP has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $267,887,021.
- Recent insider filing activity is available below.
- Info
- Portfolio
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of Starboard Value LP
- Notable person
- Mark R. Mitchell, Jeffrey C. Smith, Peter A. Feld
- Location
- New York, NY
- Summary
- The estimated value of insider holdings of Starboard Value LP is at least $267,887,021 dollars as of 16 May 2025. Starboard Value LP is the Other*, 10%+ Owner of ACACIA RESEARCH CORP and owns shares of ACACIA RESEARCH CORP (ACTG) stock worth about $223.59M. Starboard Value LP is the Other* of GREEN DOT CORP and owns shares of GREEN DOT CORP (GDOT) stock worth about $43.06M. Starboard Value LP is the 10%+ Owner of Cyxtera Technologies, Inc. and owns shares of Cyxtera Technologies, Inc. stock worth about $1.23M.
- Signature
- Starboard Value LP, By: /s/ Jeffrey C. Smith, Authorized Signatory
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Starboard Value LP and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: ACACIA RESEARCH CORP ($223,593,725).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Starboard Value LP
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ACTG | ACACIA RESEARCH CORP | Other*, 10%+ Owner | $223,593,725 | 16 May 2025 | ||
| GDOT | GREEN DOT CORP | Other* | $43,064,232 | 06 Mar 2024 | ||
| CYXTQ | Cyxtera Technologies, Inc. | 10%+ Owner | $1,229,064 | 06 Jun 2023 |
Insider Transactions Reported by Starboard Value LP:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.