Activist shareholder Jana Partners has accumulated a new equity position in Everpure and is expected to make that holding public through a regulatory filing in the near term, according to two people with knowledge of the matter and documents reviewed by the author.
The hedge fund began assembling the stake in the first quarter of 2026. It did not disclose the position on its quarter-end 13-F filing because it requested confidential treatment from U.S. regulators to delay public disclosure of the newly built position. At the end of that quarter the fund owned in excess of 1 million shares in Santa Clara-headquartered Everpure, which until early 2026 operated under the Pure Storage name, the sources said.
The current size of Jana Partners' holding has not been disclosed and remains unknown. It is also not clear what, if any, operational or strategic changes the New York-based hedge fund - led by managing partner Scott Ostfeld - may be seeking from Everpure.
Everpure has been experiencing heightened demand driven by the build-out of artificial intelligence infrastructure and an overall increase in data needs. Earlier in 2026 the company changed its corporate name to stress a strategic shift from being primarily a data storage provider to positioning itself as an AI-focused data management and intelligence platform.
The company carries a market capitalization of approximately $23 billion and its shares have risen about 2.35% so far this year. Everpure also exceeded Wall Street earnings forecasts for its fiscal first quarter, which concluded in May.
Activist investment firms commonly request confidential treatment for quarterly 13-F disclosures while they continue to accumulate stakes. The practice gives investors additional time to build positions without immediate public visibility that could allow other market participants to front run their trades. Berkshire Hathaway is an example of an investor that has frequently sought confidential treatment from the U.S. Securities and Exchange Commission for positions it was still building.
A representative for Jana Partners did not respond to a request for comment. An Everpure spokesperson said, "We maintain an open dialogue with all shareholders and we remain focused on executing our strategic plan and delivering for our customers and investors."
Market participants and bankers watch Jana closely. The firm ranks among the more prominent activist investors and its stock picks draw attention on Wall Street, bankers said. Past actions by the firm include pressing Frontier Communications toward a sale that preceded the company's acquisition by Verizon Communications. Jana is also currently advocating that fintech payments company Fiserv divest nonessential operations and refresh its board.
Context and immediate implications
While the exact scope of Jana's stake in Everpure remains undisclosed beyond the more-than-1-million-share figure at the end of the first quarter, the move highlights investor interest in companies positioned to benefit from AI-related demand for data infrastructure and management. How Jana chooses to engage with Everpure - whether through public proposals, board engagement, or another route - is not known at this time.
What remains uncertain
The size of the current stake, Jana's intentions with respect to corporate governance or strategy at Everpure, and the potential market reaction once the holding is formally disclosed all remain unclear. The company and the hedge fund have provided limited public comment.
This article is based on information from two people familiar with the matter and documents reviewed by the author. It reports public company statements and documented ownership at quarter end, and it outlines common industry practices related to confidential 13-F filings as described by market participants.