Who owns Cipher Mining (CIFR)?

122 holders named in SEC filings declare between 72.9% and 89.1% of Cipher Mining's shares outstanding, as of Sep 30, 2026. The largest are V3 Holding Ltd (14.1%), Vanguard (10.4%) and BlackRock (7.3%); the five largest hold 39.0% together. Another 342 institutions hold small positions worth 3.1%. At least 7.7% of the shares appear in no ownership filing: investors who do not have to report, mostly individuals. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 21.5% and sold 7.7% of the shares, a net purchase of 13.9%; 123 opened a position, 159 added, 118 reduced and 37 sold out. Biggest buyers: Morgan Stanley (+8.3M shares) and Capital Group (+7.4M shares). Biggest sellers: Janus Henderson (-4.2M) and V3 Holding Ltd (-3.0M). Schedule 13D/G filings since Mar 31, 2026: MORGAN STANLEY crossed 5% (6.3%) on Jun 30, 2026 and V3 Holding Ltd cut its stake to 14.3% on Jun 2, 2026. Directors and officers, from their latest Form 4: Tyler Page (2.4%), Patrick Arthur Kelly (0.42%) and William Iwaschuk (0.42%). Over time, 451 managers declared Cipher Mining in their 13F for Q2 2026, against 39 for Q3 2021: together at most 90.3% of the shares outstanding, against 10.8%.

Cipher Mining institutional ownership over time

From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.

More on Cipher Mining

• Cipher Mining stock (CIFR): price and overview
• Cipher Mining dividend
• Cipher Mining financials
• Cipher Mining technicals and short interest

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