Acacia Research Corp
ACTG- Exchange
- Nasdaq
- Industry
- Patent Owners & Lessors
- SEC CIK
- 0000934549
In the last 90 days, Acacia Research Corp insiders filed 0 open-market purchases and 4 sales; 122 institutions reported holding it in 13F filings for Q2 2026, worth $401.5M in total; Starboard Value is the only superinvestor holding it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $457.6K in total
- 4
- 13F holdersQ2 2026, +5 vs. previous quarter
- 122
- 13F valueReported value at the end of Q2 2026
- $401.5M
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Superinvestors holding ACTG, Q2 2026
1 superinvestor reports holding Acacia Research Corp on Form 13F. Percentages are the stock's share of each portfolio.
Starboard Value
Jeff Smith
6.3%
Acacia Research Corp's share of the portfolio
- Shares
- 61,123,595
- Value
- $284.8M
Latest insider trades
Open-market purchases and sales by Acacia Research Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 (view filing)5:18 PM ET | Sep 15 | 1 day | Kohlberg Isaac T.Director | SSaleACTG Common Stock | −24.0K | $4.55 | −$109.2K | −30.6%54.3K after | |
| Sep 4, 2026 (view filing)4:00 PM ET | Sep 2-3 | 2 days | Oconnell MaureenDirector | SSaleACTG Common Stock | −33.0K | $4.61 | −$152.0K | −11.5%254.7K after | 2 lots |
| Aug 20, 2026 (view filing)7:23 PM ET | Aug 19 | 1 day | Oconnell MaureenDirector | SSaleACTG Common Stock | −10.0K | $4.60 | −$46.0K | −3.4%287.7K after | |
| Aug 14, 2026 (view filing)4:00 PM ET | Aug 12 | 2 days | Kohlberg Isaac T.Director | SSaleACTG Common Stock | −32.2K | $4.67 | −$150.3K | −29.1%78.3K after | |
| Aug 13, 2025 (view filing) | Aug 11 | 2 days | Zambito Michael SIKORYAKChief Financial Officer | PPurchaseACTG Common Stock | +7.70K | $3.27 | +$25.2K | New position7.70K after | |
| Jun 13, 2025 (view filing) | Jun 11 | 2 days | Kohlberg Isaac T.Director | SSaleACTG Common Stock | −16.0K | $3.84 | −$61.4K | −15.8%85.4K after | |
| May 23, 2025 (view filing) | May 21 | 2 days | Soncini Jason W.General Counsel | PPurchaseACTG Common Stock | +7.00K | $3.79 | +$26.5K | +3.5%209.2K after | |
| May 21, 2025 (view filing) | May 19 | 2 days | McNulty Martin D. Jr.Chief Executive Officer | PPurchaseACTG Common Stock | +5.30K | $3.77 | +$20.0K | +2.9%185.1K after | |
| Nov 26, 2024 (view filing) | Nov 25 | 1 day | Kohlberg Isaac T.Director | SSaleACTG Common Stock | −15.0K | $4.57 | −$68.5K | −17.8%69.3K after | |
| May 20, 2024 (view filing) | May 17 | 3 days | Soncini Jason W.General Counsel | PPurchaseACTG Common Stock | +5.00K | $5.36 | +$26.8K | +2.3%226.7K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Acacia Research Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Starboard Value LPSuperinvestorStarboard Value | 61,123,595 | $284.8M | 6.30% | 00.0% | Unchanged |
| State Street Corp | 3,166,717 | $14.8M | 0.00% | +61,676+2.0% | Added |
| Dimensional Fund Advisors LP | 2,941,723 | $13.7M | 0.00% | +87,834+3.1% | Added |
| BlackRock, Inc. | 2,597,274 | $12.1M | 0.00% | +190,907+7.9% | Added |
| Vanguard Capital Management LLC | 1,485,187 | $6.92M | 0.00% | −110,934−7.0% | Reduced |
| Renaissance Technologies LLC | 1,415,088 | $6.59M | 0.01% | +7,504+0.5% | Added |
| Goldman Sachs Group Inc | 1,175,163 | $5.48M | 0.00% | +591,061+101.2% | Added |
| Krilogy Financial LLC | 1,127,831 | $5.26M | 0.16% | +3440.0% | Added |
| Peapod Lane Capital LLC | 994,770 | $4.64M | 3.13% | −96,566−8.8% | Reduced |
| Geode Capital Management, LLC | 900,809 | $4.20M | 0.00% | +43,090+5.0% | Added |