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Who owns Acacia Research (ACTG) stock

117 funds reported Acacia Research (ACTG) shares in their latest 13F filings, worth $406M in all. The largest holder is Starboard Value LP ($285M). Last quarter 58 funds added to their stakes and 37 cut them.

Largest holders of ACTG (13F)Largest holders of ACTG (13F)Starboard Value LP$285MState Street$14.8MDimensional Fund Advisors LP$13.7MBlackRock$12.1MVanguard Group$7.8MVanguard Capital Management LLC$6.9MRenaissance Technologies LLC$6.6MKrilogy Financial LLC$5.6MGoldman Sachs Group$5.5MGeode Capital Management, LLC$4.2M

Largest holders (13F)

FundSharesValueChangeQuarter
Starboard Value LP61,123,595$285Munchanged2026-06-30
State Street3,166,717$14.8Mincrease2026-06-30
Dimensional Fund Advisors LP2,941,723$13.7Mincrease2026-06-30
BlackRock2,597,274$12.1Mincrease2026-06-30
Vanguard Group2,087,925$7.8Mdecrease2025-12-31
Vanguard Capital Management LLC1,485,187$6.9Mdecrease2026-06-30
Renaissance Technologies LLC1,415,088$6.6Mincrease2026-06-30
Krilogy Financial LLC1,287,657$5.6Mincrease2026-09-30
Goldman Sachs Group1,175,163$5.5Mincrease2026-06-30
Geode Capital Management, LLC900,809$4.2Mincrease2026-06-30
Peapod Lane Capital LLC928,177$4.0Mdecrease2026-09-30
Pacific Ridge Capital Partners, LLC810,962$3.8Mdecrease2026-06-30
Formidable Asset Management, LLC792,521$3.5Mdecrease2026-09-30
American Century Companies693,309$3.2Mincrease2026-06-30
Bridgeway Capital Management, LLC629,326$2.9Mincrease2026-06-30

Acacia Research's latest quarter

Acacia Research, Q3 2026: revenue $54.4M (-8% year over year), operating margin -6.6%, net loss $5.9M, operating cash flow $15.0M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ACTG stock?

By the latest 13F filings: Starboard Value LP ($285M); State Street ($14.8M); Dimensional Fund Advisors LP ($13.7M); BlackRock ($12.1M); Vanguard Group ($7.8M).

What is the short interest in ACTG?

1,634,298 shares were sold short at the 2026-10-15 settlement, -7.58% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.