Marshall Wace LLP ramped up its Lockheed Martin stake by 37.6% in Q4, snagging an extra 130,726 shares for a hefty $232 million tab. This acquisition bumped their ownership to 0.20% of the company, ...

Capital Group Private Client Services Inc. reduced its Regeneron holdings by 17.6% in Q4, offloading 19,565 shares, but still ...