Security key
003881307
- Security type / class
- Equity / ACACIA TCH COM
- Total 13F shares
- 84,724,384
- Total 13F value
- $407,406,923
- Share change
- +860,159
- Put/Call ratio
- 169%
- SEC-reported price per share
- $4.81
- Number of holders
- 118
- Value change
- +$4,188,117
- Number of buys
- 65
- Number of sells
- 35
Open additional details 1 more signal available
Report period
Q1 2026
Institutions
118
Top holders
10
ACTG full security history
Ownership snapshot
Full 13F holder table
ACACIA RESEARCH CORP SEC filings
ACACIA RESEARCH CORP company facts
Broader feeds
Ownership snapshot
Top reported holders of ACTG - ACACIA RESEARCH CORP - ACACIA TCH COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Starboard Value LP
Disclosed value leader
Starboard Value LP
Comparable rows
0/15
Latest evidence
31 Dec 2025
13F
3/4/5
Highest disclosed value: $228,602,245
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Starboard Value LP has the largest disclosed position value at $228.6M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Starboard Value LP's linked filing trail.
Disclosed position value
Top 5
Starboard Value LP
$228.6M
Starboard Principal Co LP
$223.59M
STATE STREET CORP
$11.77M
DIMENSIONAL FUND ADVISORS LP
$10.32M
BlackRock, Inc.
$8.84M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Starboard Value LP |
13F
3/4/5
Company · Other*, 10%+ Owner
|
—
class O/S missing
|
$228,602,245
61,123,595 shares
|
— | 31 Dec 2025 |
| Starboard Principal Co LP |
3/4/5
Other*, 10%+ Owner
|
—
class O/S missing
|
$223,593,725
61,123,595 shares
|
— | 16 May 2025 |
| STATE STREET CORP |
13F
Company
|
—
class O/S missing
|
$11,765,969
3,145,981 shares
|
— | 31 Dec 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
class O/S missing
|
$10,317,798
2,758,800 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$8,840,788
2,363,847 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$7,808,840
2,087,925 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
118
Shares
84,724,384
Rows available
118
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
118
Q1 2026 holders
118
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|