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Security record · archived quarter

ACTG

Acacia Research Corporation · Industrials · Specialty Business Services

4.40 +1.4% mkt cap $424.99M quote delayed (FMP) · as of Oct 13 20:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
7Tracked holders
0Δ holders
66.56MShares held
$212.99MReported value
+1New positions
−1Exits
Stable How these are computed → Explain this at the Research Desk →

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

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
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 — —
Holder count
Who holds it · Q1 2025
#ManagerSharesΔ sharesValueTheir weightHeld
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 ↗ ×2
5 Citadel Advisors ✦ 106.81K +222.0% $341,792 0.0% ▲ Add 4 SEC ↗
6 T. Rowe Price ✦ 54.27K +1.6% $174,000 0.0% ▲ Add 4 SEC ↗
7 AQR Capital Management ✦ 10.89K New $34,845 0.0% New 1 SEC ↗ ×4

“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%

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.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

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: Q1 2025 · Methodology · Get this via the API