Security record · archived quarter
ACTG
Acacia Research Corporation · Industrials · Specialty Business Services
49Tracked holders
0Δ holders
77.35MShares held
$289.30MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -0.1% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| 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 | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Starboard Value ✦ | 61.12M | 0.0% | $228.60M | 4.3% | Held | 7 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 3.15M | +12.8% | $11.77M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | Dimensional Fund Advisors Lp | 2.76M | — | $10.32M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 4 | BlackRock ✦ (passive) | 2.36M | +1.0% | $8.84M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 5 | The Vanguard Group ✦ (passive) | 2.09M | -8.5% | $7.81M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 6 | Renaissance Technologies ✦ | 1.40M | -8.6% | $5.22M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 846.31K | +0.4% | $3.17M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 8 | American Century Companies Inc | 493.04K | — | $1.84M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Morgan Stanley ✦ | 443.26K | +36.3% | $1.66M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 10 | Tidal Investments LLC | 437.43K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 331.13K | -26.4% | $1.24M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 12 | Goldman Sachs Group ✦ | 308.99K | -11.1% | $1.16M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 13 | Northern Trust Corp | 242.94K | — | $908,592 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 14 | JPMorgan Chase ✦ | 140.04K | -32.0% | $523,738 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 15 | Susquehanna International Group, Llp | 139.21K | — | $520,634 | 0.0% | n/c | 1 | SEC ↗ |
| 16 | UBS Group AG | 124.04K | — | $463,909 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 17 | Bank of New York Mellon Corp | 121.33K | — | $453,765 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 18 | Charles Schwab Investment… | 114.97K | — | $429,969 | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Invesco Ltd. | 77.14K | — | $288,515 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 20 | Fidelity (FMR) ✦ | 74.91K | +19.3% | $280,178 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | Nuveen, LLC | 57.33K | — | $214,425 | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Barclays Plc | 53.47K | — | $199,971 | 0.0% | n/c | 1 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 52.86K | +58.9% | $197,705 | 0.0% | ▲ Add | 4 | SEC ↗ ×6 |
| 24 | Jane Street Group, Llc | 52.62K | — | $196,813 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 25 | Rhumbline Advisers | 44.89K | — | $167,881 | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Wells Fargo & Company/Mn | 38.90K | — | $145,481 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | Alliancebernstein L.P. | 37.74K | — | $141,148 | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Marshall Wace ✦ | 34.33K | -46.2% | $128,383 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 29 | Bank Of America Corp /De/ | 28.57K | — | $106,863 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 30 | LPL Financial LLC | 25.00K | — | $93,500 | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Deutsche Bank Ag\ | 24.51K | — | $91,656 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | T. Rowe Price ✦ | 18.74K | 0.0% | $71,000 | 0.0% | Held | 7 | SEC ↗ |
| 33 | Raymond James Financial Inc | 18.60K | — | $69,564 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 34 | Simplex Trading, Llc | 18.08K | — | $67,622 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 15.91K | — | $59,500 | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Manufacturers Life Insurance… | 14.62K | — | $54,660 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Victory Capital Management Inc | 10.96K | — | $41,005 | 0.0% | n/c | 1 | SEC ↗ |
| 38 | New York State Common Retirement… | 8.92K | — | $33,365 | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Bnp Paribas Financial Markets | 8.46K | — | $31,655 | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Cwm, Llc | 3.16K | — | $12,000 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Russell Investments Group, Ltd. | 3.04K | — | $11,388 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 42 | Legal & General Group Plc | 2.93K | — | $10,943 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | California State Teachers… | 2.10K | — | $7,865 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Group One Trading Llc | 2.07K | — | $7,757 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Pnc Financial Services Group, Inc. | 1.51K | — | $5,659 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Royal Bank Of Canada | 1.03K | — | $4,000 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 47 | Citigroup Inc | 798 | — | $2,985 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 48 | Osaic Holdings, Inc. | 600 | — | $2,243 | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Optiver Holding B.V. | 542 | — | $2,027 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
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.
Frequently co-owned
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)
Sep 15
Kohlberg Isaac T.
Director · 24.00K sh · $109,200
Sep 03
OCONNELL MAUREEN
Director · 12.47K sh · $56,970
Sep 02
OCONNELL MAUREEN
Director · 20.53K sh · $95,072
Aug 19
OCONNELL MAUREEN
Director · 10.00K sh · $46,000
Aug 12
Kohlberg Isaac T.
Director · 32.19K sh · $150,318
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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