Security record · archived quarter
ACTG
Acacia Research Corporation · Industrials · Specialty Business Services
57Tracked holders
+8Δ holders
77.67MShares held
$373.53MReported value
+10New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +16.3% ·
share flow +1.0% ·
net new positions +14.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Starboard Value ✦ | 61.12M | 0.0% | $294.00M | 6.4% | Held | 8 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 3.11M | -1.3% | $14.94M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 3 | Dimensional Fund Advisors Lp | 2.85M | +3.5% | $13.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Dimensional Fund Advisors Lp | 2.85M | +3.5% | $13.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Dimensional Fund Advisors Lp | 2.85M | +3.5% | $13.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Dimensional Fund Advisors Lp | 2.85M | +3.5% | $13.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.41M | +1.8% | $11.57M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.41M | +1.8% | $11.57M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.41M | +1.8% | $11.57M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.41M | +1.8% | $11.57M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.41M | +1.8% | $11.57M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.41M | +1.8% | $11.57M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | Vanguard Capital Management Llc | 1.60M | — | $7.68M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Renaissance Technologies ✦ | 1.41M | +0.9% | $6.77M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 15 | Geode Capital Management ✦ (passive) | 857.72K | +1.4% | $4.13M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 857.72K | +1.4% | $4.13M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 17 | Goldman Sachs Group ✦ | 584.10K | +89.0% | $2.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Goldman Sachs Group ✦ | 584.10K | +89.0% | $2.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Goldman Sachs Group ✦ | 584.10K | +89.0% | $2.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | American Century Companies Inc | 511.37K | +3.7% | $2.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Tidal Investments LLC | 437.43K | 0.0% | $2.10M | 0.0% | Held | 2 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 276.90K | -37.5% | $1.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Northern Trust Corp | 269.65K | +11.0% | $1.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Northern Trust Corp | 269.65K | +11.0% | $1.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Northern Trust Corp | 269.65K | +11.0% | $1.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Citadel Advisors ✦ | 197.57K | -40.3% | $950,317 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 34 | Susquehanna International Group, Llp | 196.30K | +41.0% | $944,184 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Franklin Resources Inc | 185.29K | New | $891,235 | 0.0% | New | 1 | SEC ↗ |
| 36 | Franklin Resources Inc | 185.29K | New | $891,235 | 0.0% | New | 1 | SEC ↗ |
| 37 | Jane Street Group, Llc | 175.41K | +233.3% | $843,727 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Jane Street Group, Llc | 175.41K | +233.3% | $843,727 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Jane Street Group, Llc | 175.41K | +233.3% | $843,727 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 115.86K | -17.3% | $560,743 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 115.86K | -17.3% | $560,743 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 115.86K | -17.3% | $560,743 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 115.86K | -17.3% | $560,743 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Marshall Wace ✦ | 116.29K | +238.8% | $559,351 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 45 | Marshall Wace ✦ | 116.29K | +238.8% | $559,351 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 46 | UBS Group AG | 116.07K | -6.4% | $558,307 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | UBS Group AG | 116.07K | -6.4% | $558,307 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | UBS Group AG | 116.07K | -6.4% | $558,307 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Bank of New York Mellon Corp | 112.43K | -7.3% | $540,787 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Bank of New York Mellon Corp | 112.43K | -7.3% | $540,787 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Bank of New York Mellon Corp | 112.43K | -7.3% | $540,787 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Charles Schwab Investment… | 104.72K | -8.9% | $503,698 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Point72 Asset Management ✦ | 88.55K | New | $425,935 | 0.0% | New | 1 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 81.71K | +54.6% | $393,015 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 81.71K | +54.6% | $393,015 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 81.71K | +54.6% | $393,015 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 57 | AQR Capital Management ✦ | 81.71K | +54.6% | $393,015 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 58 | AQR Capital Management ✦ | 81.71K | +54.6% | $393,015 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 59 | AQR Capital Management ✦ | 81.71K | +54.6% | $393,015 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 60 | AQR Capital Management ✦ | 81.71K | +54.6% | $393,015 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 61 | Invesco Ltd. | 76.58K | -0.7% | $368,365 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Invesco Ltd. | 76.58K | -0.7% | $368,365 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | Invesco Ltd. | 76.58K | -0.7% | $368,365 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | Fidelity (FMR) ✦ | 75.76K | +1.1% | $364,406 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 65 | Nuveen, LLC | 48.22K | -15.9% | $231,933 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Quantinno Capital Management LP | 44.62K | New | $214,613 | 0.0% | New | 1 | SEC ↗ |
| 67 | Rhumbline Advisers | 44.34K | -1.2% | $213,273 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Millennium Management ✦ | 40.04K | New | $192,607 | 0.0% | New | 1 | SEC ↗ |
| 69 | LPL Financial LLC | 35.00K | +40.0% | $168,350 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Bank Of America Corp /De/ | 33.32K | +16.6% | $160,265 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Simplex Trading, Llc | 31.95K | +76.7% | $153,703 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | T. Rowe Price ✦ | 29.94K | +59.8% | $144,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 73 | Alliancebernstein L.P. | 37.74K | 0.0% | $141,148 | 0.0% | Held | 2 | SEC ↗ |
| 74 | Group One Trading Llc | 24.63K | +1087.4% | $118,456 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Deutsche Bank Ag\ | 24.51K | 0.0% | $117,879 | 0.0% | Held | 2 | SEC ↗ |
| 76 | IMC-Chicago, LLC | 21.62K | New | $103,992 | 0.0% | New | 1 | SEC ↗ |
| 77 | Creative Planning | 20.95K | New | $100,770 | 0.0% | New | 1 | SEC ↗ |
| 78 | Raymond James Financial Inc | 18.50K | -0.5% | $88,985 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 16.28K | +2.4% | $78,321 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Corient Private Wealth LP | 14.25K | New | $68,547 | 0.0% | New | 1 | SEC ↗ |
| 81 | Prudential Financial Inc | 14.21K | New | $68,374 | 0.0% | New | 1 | SEC ↗ |
| 82 | Wells Fargo & Company/Mn | 12.93K | -66.8% | $62,171 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Wells Fargo & Company/Mn | 12.93K | -66.8% | $62,171 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Manufacturers Life Insurance… | 12.65K | -13.5% | $60,837 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Mariner, LLC | 12.14K | New | $58,418 | 0.0% | New | 1 | SEC ↗ |
| 86 | Victory Capital Management Inc | 10.90K | -0.6% | $52,424 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | New York State Common Retirement… | 8.92K | 0.0% | $42,910 | 0.0% | Held | 2 | SEC ↗ |
| 88 | Bnp Paribas Financial Markets | 8.07K | -4.7% | $38,817 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Barclays Plc | 6.59K | -87.7% | $31,713 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | Barclays Plc | 6.59K | -87.7% | $31,713 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Cwm, Llc | 4.64K | +47.0% | $22,323 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Citigroup Inc | 3.16K | +296.5% | $15,218 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Citigroup Inc | 3.16K | +296.5% | $15,218 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Russell Investments Group, Ltd. | 3.04K | 0.0% | $14,646 | 0.0% | Held | 2 | SEC ↗ |
| 95 | Russell Investments Group, Ltd. | 3.04K | 0.0% | $14,646 | 0.0% | Held | 2 | SEC ↗ |
| 96 | Legal & General Group Plc | 2.93K | 0.0% | $14,074 | 0.0% | Held | 2 | SEC ↗ |
| 97 | Osaic Holdings, Inc. | 2.92K | +387.5% | $14,068 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Osaic Holdings, Inc. | 2.92K | +387.5% | $14,068 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | California State Teachers… | 1.85K | -12.0% | $8,903 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | Pnc Financial Services Group, Inc. | 1.79K | +18.4% | $8,615 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Franklin Resources Inc | $891,235 | 0.0% |
| Franklin Resources Inc | $891,235 | 0.0% |
| Point72 Asset Management | $425,935 | 0.0% |
| Quantinno Capital Management… | $214,613 | 0.0% |
| Millennium Management | $192,607 | 0.0% |
| IMC-Chicago, LLC | $103,992 | 0.0% |
| Creative Planning | $100,770 | 0.0% |
| Corient Private Wealth LP | $68,547 | 0.0% |
| Prudential Financial Inc | $68,374 | 0.0% |
| Mariner, LLC | $58,418 | 0.0% |
Exited
| Royal Bank Of Canada | $4,000 | was 0.0% |
| Optiver Holding B.V. | $2,027 | 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.
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)
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: Q1 2026 ·
Methodology ·
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