Rocket Lab and Lam Research report mixed institutional stock activity

Janney Montgomery Scott LLC reduced its Rocket Lab (RKLB) stake by 20.5%, selling 26,103 shares and holding 101,251 shares worth about $6.5 million. Director Alexander R. Slusky sold 100,000 shares and CFO Adam C. Spice sold 62,744 shares under a Rule 10b5‑1 plan, bringing total insider sales to 573,515 shares valued at $76.4 million. Institutional investors now own roughly 71.8% of Rocket Lab.

Argus Investors Counsel Inc. opened a new position in Lam Research (LRCX), buying 3,127 shares for about $668,000. Other funds—including Norges Bank, T. Rowe Associates, Arrowstreet Capital, Franklin Resources and Corient Private Wealth—also increased their holdings, leaving institutional investors with about 84.6% of the company. Insider sales were reported by Ava Harte (6,010 shares) and Director Eric Brandt (54,500 shares).