ACTG
Acacia Research Corporation · Industrials · Specialty Business Services
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -0.2% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 56 | +1 | 78.83M | $367.33M | +6 | −5 |
| Q1 2026 | 57 | +8 | 77.67M | $373.53M | +10 | −2 |
| Q4 2025 | 49 | 0 | 77.35M | $289.30M | — | — |
| Q3 2025 | 14 | 0 | 72.41M | $235.34M | — | — |
| Q2 2025 | 11 | +1 | 71.90M | $257.40M | +1 | — |
| Q1 2025 | 7 | 0 | 66.56M | $212.99M | +1 | −1 |
| Q4 2024 | 7 | 0 | 66.68M | $289.38M | — | — |
| Q3 2024 | 6 | -2 | 63.77M | $297.19M | — | −2 |
| Q2 2024 | 8 | — | 63.80M | $319.66M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Starboard Value ✦ | 61.12M | 0.0% | $195.60M | 3.6% | Held | 4 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 2.81M | -5.1% | $8.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 1.58M | -1.1% | $5.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 879.99K | -1.7% | $2.82M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 879.99K | -1.7% | $2.82M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 106.81K | +222.0% | $341,792 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 54.27K | +1.6% | $174,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 10.89K | New | $34,845 | 0.0% | New | 1 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 10.89K | New | $34,845 | 0.0% | New | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 10.89K | New | $34,845 | 0.0% | New | 1 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 10.89K | New | $34,845 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| AQR Capital Management | $34,845 | 0.0% |
| AQR Capital Management | $34,845 | 0.0% |
| AQR Capital Management | $34,845 | 0.0% |
| AQR Capital Management | $34,845 | 0.0% |
Exited
| Two Sigma Investments | $87,560 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 115 holders, 84.56M shares, $405.99M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 10.00K sh · $46,000
Director · 32.19K sh · $150,318
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology