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StocksUpdated•Originally published 8 May 2026•Updated 8 May 2026•

1 min read

Mixed Institutional Activity for Diamondback Energy Despite Strong Earnings Beat

Key Facts

1Sumitomo Mitsui DS Asset Management increased its stake in Diamondback Energy by 38.9% by purchasing an additional 8,880 shares.

2Swedbank AB reduced its stake in the company by selling 6,760 shares, while maintaining a position valued at over $30.48 million.

3Recent insider sales at the company totaled $28.6 million despite earnings and revenue beating estimates.

Diamondback Energy (FANG) has seen a wave of institutional portfolio rebalancing, with Sumitomo Mitsui DS Asset Management increasing its stake by 38.9%. Expanding its portfolio further, Sumitomo Mitsui also acquired a new stake in Fiserv, Inc. (FISV) valued at approximately $4.91 million. This acquisition comes as hedge funds and institutional investors now command 90.98% ownership of Fiserv, despite a consensus 'Hold' rating from analysts with a target price of $87.48. Meanwhile, Swedbank AB reduced its position in Diamondback by selling 6,760 shares, though it maintains a stake valued at over $30.48 million. These shifts highlight strategic positioning across the energy and fintech sectors as institutional players adjust their exposure based on recent financial performance.

26 days ago

Version History

1 additional source confirmed this story

Version 126 days ago

What changed: Added information regarding Sumitomo Mitsui's new stake in Fiserv, Inc. and institutional ownership details for the company.