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Who owns Compx International (CIX) stock

40 funds reported Compx International (CIX) shares in their latest 13F filings, worth $22.2M in all. The largest holder is Dimensional Fund Advisors LP ($4.5M). Last quarter 13 funds added to their stakes and 16 cut them.

Largest holders of CIX (13F)Largest holders of CIX (13F)Dimensional Fund Advisors LP$4.5MRoyce & Associates LP$4.1MBlackRock$3.1MRenaissance Technologies LLC$2.5MVanguard Group$2.3MVanguard Capital Management LLC$1.8MGeode Capital Management, LLC$1.0MState Street$761KBridgeway Capital Management, LLC$564KNorthern Trust$448K

Largest holders (13F)

FundSharesValueChangeQuarter
Dimensional Fund Advisors LP179,827$4.5Mincrease2026-06-30
Royce & Associates LP166,074$4.1Munchanged2026-06-30
BlackRock123,016$3.1Mincrease2026-06-30
Renaissance Technologies LLC100,749$2.5Mdecrease2026-06-30
Vanguard Group97,693$2.3Mincrease2025-12-31
Vanguard Capital Management LLC71,526$1.8Mdecrease2026-06-30
Geode Capital Management, LLC40,842$1.0Mincrease2026-06-30
State Street30,568$761Kdecrease2026-06-30
Bridgeway Capital Management, LLC22,667$564Kdecrease2026-06-30
Northern Trust17,981$448Kincrease2026-06-30
Vanguard Portfolio Management LLC10,350$258Kincrease2026-06-30
Vanguard Fiduciary Trust10,270$256Kdecrease2026-06-30
Barclays6,205$232Kincrease2026-09-30
Deutsche Bank Ag\2,741$102Kincrease2026-09-30
Morgan Stanley3,591$89Kdecrease2026-06-30

Compx International's latest quarter

Compx International, Q3 2026: revenue $44.0M (+10% year over year), operating margin 14.5%, net earnings $5.4M, operating cash flow $9.3M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most CIX stock?

By the latest 13F filings: Dimensional Fund Advisors LP ($4.5M); Royce & Associates LP ($4.1M); BlackRock ($3.1M); Renaissance Technologies LLC ($2.5M); Vanguard Group ($2.3M).

What is the short interest in CIX?

115,928 shares were sold short at the 2026-10-15 settlement, -1.96% 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.