Renaissance Technologies (RenTech)'s ACTG Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 1.4 M shares of Acacia Research Corporation (ACTG) worth $5.22 M, representing 0.01% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 49 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in ACTG, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2016, adding 932,900 shares. Largest reduction occurred in Q1 2021, reducing 351,200 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Acacia Research Corporation (ACTG) Holding Value Over Time
Track share changes against reported price movement
Quarterly Acacia Research Corporation (ACTG) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -130,700 | Reduce 8.56% | 1.4 M | $3.74 |
| Q3 2025 | -33,086 | Reduce 2.12% | 1.53 M | $3.25 |
| Q2 2025 | -19,214 | Reduce 1.22% | 1.56 M | $3.58 |
| Q1 2025 | -17,100 | Reduce 1.07% | 1.58 M | $3.20 |
| Q4 2024 | -47,400 | Reduce 2.89% | 1.6 M | $4.34 |
| Q3 2024 | +132,557 | Add 8.78% | 1.64 M | $4.66 |
| Q2 2024 | +6,143 | Add 0.41% | 1.51 M | $5.01 |
| Q1 2024 | -27,100 | Reduce 1.77% | 1.5 M | $5.33 |
| Q4 2023 | -80,800 | Reduce 5.01% | 1.53 M | $3.92 |
| Q3 2023 | -33,100 | Reduce 2.01% | 1.61 M | $3.65 |
| Q2 2023 | -2,412 | Reduce 0.15% | 1.65 M | $0.00 |
| Q1 2023 | +21,112 | Add 1.30% | 1.65 M | $0.00 |
| Q4 2022 | -114,400 | Reduce 6.57% | 1.63 M | $0.00 |
| Q3 2022 | -254,898 | Reduce 12.77% | 1.74 M | $4.04 |
| Q2 2022 | +14,798 | Add 0.75% | 2 M | $5.04 |
| Q1 2022 | -55,600 | Reduce 2.73% | 1.98 M | $4.51 |
| Q4 2021 | -117,200 | Reduce 5.44% | 2.04 M | $5.13 |
| Q3 2021 | -119,300 | Reduce 5.25% | 2.15 M | $6.79 |
| Q2 2021 | -196,100 | Reduce 7.94% | 2.27 M | $6.76 |
| Q1 2021 | -351,200 | Reduce 12.45% | 2.47 M | $6.65 |
| Q4 2020 | -165,100 | Reduce 5.53% | 2.82 M | $3.94 |
| Q3 2020 | -146,900 | Reduce 4.69% | 2.99 M | $3.47 |
| Q2 2020 | -155,400 | Reduce 4.73% | 3.13 M | $4.09 |
| Q1 2020 | -102,900 | Reduce 3.03% | 3.29 M | $2.22 |
| Q4 2019 | -53,100 | Reduce 1.54% | 3.39 M | $2.66 |
| Q3 2019 | -41,600 | Reduce 1.19% | 3.44 M | $2.68 |
| Q2 2019 | +21,800 | Add 0.63% | 3.49 M | $2.96 |
| Q1 2019 | +124,700 | Add 3.73% | 3.46 M | $3.26 |
| Q4 2018 | -31,900 | Reduce 0.95% | 3.34 M | $2.98 |
| Q3 2018 | -75,800 | Reduce 2.20% | 3.37 M | $3.20 |
| Q2 2018 | -5,200 | Reduce 0.15% | 3.45 M | $4.15 |
| Q1 2018 | +42,700 | Add 1.25% | 3.45 M | $3.50 |
| Q4 2017 | -120,000 | Reduce 3.40% | 3.41 M | $4.05 |
| Q3 2017 | -44,800 | Reduce 1.25% | 3.53 M | $4.55 |
| Q2 2017 | +68,200 | Add 1.95% | 3.57 M | $4.10 |
| Q1 2017 | +103,800 | Add 3.05% | 3.51 M | $5.75 |
| Q4 2016 | +418,500 | Add 14.03% | 3.4 M | $6.50 |
| Q3 2016 | +610,800 | Add 25.74% | 2.98 M | $6.52 |
| Q2 2016 | +239,600 | Add 11.23% | 2.37 M | $4.40 |
| Q1 2016 | +932,900 | Add 77.74% | 2.13 M | $3.79 |
| Q4 2015 | +676,800 | Add 129.36% | 1.2 M | $4.29 |
| Q3 2015 | +36,000 | Add 7.39% | 523,200 | $9.08 |
| Q2 2015 | +219,800 | Add 82.20% | 487,200 | $8.77 |
| Q1 2015 | +267,400 | New Buy | 267,400 | $10.70 |
| Q2 2014 | -83,600 | Sold Out | 0 | $0.00 |
| Q1 2014 | -158,300 | Reduce 65.44% | 83,600 | $15.28 |
| Q4 2013 | +241,900 | New Buy | 241,900 | $14.54 |
| Q3 2013 | -85,500 | Sold Out | 0 | $0.00 |
| Q2 2013 | +85,500 | Add 0.00% | 85,500 | $22.35 |
Renaissance Technologies (RenTech)'s Acacia Research Corporation Investment FAQs
Renaissance Technologies (RenTech) first purchased Acacia Research Corporation (ACTG) in Q2 2013, acquiring 85,500 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Acacia Research Corporation (ACTG) for 49 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Acacia Research Corporation (ACTG) was in Q1 2016, adding 2,132,900 shares worth $8.08 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 1,395,300 shares of Acacia Research Corporation (ACTG), valued at approximately $5.22 M.
As of the Q4 2025 filing, Acacia Research Corporation (ACTG) represents approximately 0.01% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Acacia Research Corporation (ACTG) was 3,573,800 shares, as reported at the end of Q2 2017.