EL7.AI
Stocks•4 April 2026•
1 min read

Thurston Springer Aggressively Expands Holdings in Major US Blue-Chip Stocks

Key Facts

1Thurston Springer significantly increased its stakes in several major companies, including a 966.1% boost in AbbVie and 547% in Lockheed Martin.
2Institutional ownership in most of these companies exceeds 70%, reaching as high as 86.81% for Analog Devices.
3Companies including Cummins, Amgen, Analog Devices, and Costco reported strong earnings results that beat analyst estimates.

Thurston Springer Miller Herd & Titak Inc. executed a massive accumulation of shares across a diverse range of blue-chip US stocks during the fourth quarter. The investment firm significantly increased its exposure to several major companies, notably boosting its stake in AbbVie by 966.1% and Lockheed Martin by 547%. This strategic expansion targeted high-quality, dividend-paying stocks in sectors including healthcare, defense, technology, and consumer goods. The move follows strong financial performance from companies like Cummins, Amgen, and Costco, all of which recently reported earnings that beat analyst estimates. Institutional ownership remains high across these holdings, exceeding 70% in most cases and reaching 86.81% for Analog Devices. While these specific transactions are modest relative to total market caps, they reflect a broader trend of institutional confidence in US market leaders.