Hillman Co, a company headquartered at 310 Grant St Suite 1900 in Pittsburgh, Pennsylvania, has filed a Form 13F-HR with the Securities and Exchange Commission. The filing, signed by Vice President and General Counsel Jeffrey A. Robinson on October 28, 2026, reports the firm's equity securities holdings as of the close of business on September 30, 2026.

The filing lists 15 distinct equity securities held by Hillman Co during the reported period. The largest holding disclosed is MasTec Inc, for which the firm reported ownership of 27,964,781 shares valued at $130,909,000. Other significant holdings include Union Pacific Corp, with 101,738 shares valued at $50,869,000, and DoorDash Inc Class A, with 133,806 shares valued at $58,468,000.

The portfolio also includes various exchange-traded funds and other individual stocks. These include Vanguard Morningstar Mid-Cap ETF, Vanguard Morningstar Small-Cap ETF, iShares Core MSCI EAFE ETF, State Street SPDR S&P 500 ETF, and First Solar Inc. Individual company positions include Coeur Mining Inc, CRH PLC, Rocket Cos Inc, SK Hynix Inc, Zillow Group Inc Class C, LegalZoom.com Inc, and Nautilus Biotechnology Inc.

Regarding voting rights, the filing indicates that for all listed positions, the firm holds sole voting and sole dispositive power over the shares.