Cipher Mining Inc. (CIFR) Ownership

NASDAQ: CIFRTop holders, insider trades and short interest.

CIFR ownership summary

as of October 18, 2026
Institutions
94.9%
of shares outstanding
Insiders
3.64%
of shares outstanding
Shares outstanding
415.0M
Float
346.3M
shares available to trade
Short interest
22.03%
75.2M shares short
Days to cover
2.26
short interest up 3.2% vs prior month
  • Institutions 94.88%
  • Insiders 3.64%
  • Other investors 1.47%

CIFR top institutional holders

20 largest
Cipher Mining Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1V3 Holding Ltd.14.05%58.3M$523.7M−3.0M (−4.9%)June 30, 2026
2BlackRock Inc7.33%30.4M$273.1M+2.0M (+6.9%)June 30, 2026
3Vanguard Portfolio Management, LLC5.81%24.1M$216.6M+1.8M (+8.1%)June 30, 2026
4Vanguard Capital Management, LLC3.97%16.5M$148.1M+346,265 (+2.1%)June 30, 2026
5Jane Street Group LLC3.72%15.4M$138.6M+4.0M (+35.0%)June 30, 2026
6D. E. Shaw & Co LP3.50%14.5M$130.3M−1.9M (−11.5%)June 30, 2026
7Morgan Stanley - Brokerage Accounts2.87%11.9M$107.1M+8.3M (+233.0%)June 30, 2026
8Value Aligned Research Advisors LLC2.68%11.1M$99.9M+123,787 (+1.1%)June 30, 2026
9Geode Capital Management, LLC2.13%8.8M$79.2M+414,629 (+4.9%)June 30, 2026
10State Street Corp2.06%8.6M$76.9M+308,002 (+3.7%)June 30, 2026
11UBS Group AG1.70%7.1M$63.4M+1.7M (+30.9%)June 30, 2026
12T. Rowe Price Associates, Inc.1.51%6.3M$56.4M+5.9M (+1,683.1%)June 30, 2026
13Capital Research & Mgmt Co - Division 31.43%5.9M$53.3M+5.9M (0.0%)June 30, 2026
14HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND1.33%5.5M$49.6M+5.5M (0.0%)June 30, 2026
15Two Sigma Investments LLC1.15%4.8M$42.9M+1.8M (+58.8%)June 30, 2026
16Avala Global LP1.06%4.4M$39.6M+4.4M (0.0%)June 30, 2026
17HHG PLC1.05%4.4M$39.3M+81,192 (+1.9%)March 31, 2026
18Capital Research Global Investors1.05%4.3M$39.0M+9,255 (+0.2%)June 30, 2026
19Dimensional Fund Advisors, Inc.1.03%4.3M$38.4M−70,913 (−1.6%)June 30, 2026
20Wellington Management Company LLP0.96%4.0M$35.8M+3.4M (+567.1%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 46.0M shares and 3 cut 5.0M.

CIFR top mutual fund and ETF holders

20 largest
Cipher Mining Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.98%12.4M$111.1M−13,588 (−0.1%)August 31, 2026
2Vanguard Small Cap Index2.16%8.9M$80.3M+10,242 (+0.1%)August 31, 2026
3iShares Russell 2000 ETF2.12%8.8M$79.0M−101,376 (−1.1%)September 30, 2026
4American Funds SMALLCAP World A2.05%8.5M$76.5M+4.6M (+119.3%)June 30, 2026
5Vanguard Information Technology ETF1.31%5.5M$49.0M−819,173 (−13.1%)August 31, 2026
6Vanguard MStar Small Cap Growth Indx Inv1.24%5.1M$46.1M−38,275 (−0.7%)August 31, 2026
7Fidelity Small Cap Index0.89%3.7M$33.3M+31,033 (+0.8%)July 31, 2026
8iShares Russell 2000 Growth ETF0.77%3.2M$28.6M−4,026 (−0.1%)September 30, 2026
9American Funds Growth Fd of Amer A0.69%2.9M$25.8M+2.9M (0.0%)June 30, 2026
10Amplify Blockchain Technology ETF0.61%2.5M$22.6M—September 30, 2026
11CoinShares Bitcoin Mng and Dgtl Pwr ETF0.49%2.0M$18.2M−104,085 (−4.9%)September 30, 2026
12Vanguard Russell 2000 ETF0.47%2.0M$17.5M+46,250 (+2.4%)August 31, 2026
13Schwab US Small-Cap ETF™0.44%1.8M$16.3M+1,224 (+0.1%)September 30, 2026
14Vanguard Explorer Inv0.42%1.7M$15.7M+1.7M (0.0%)June 30, 2026
15iShares Expanded Tech-Software Sect ETF0.40%1.7M$15.0M+15,825 (+1.0%)September 30, 2026
16VanEck Crypto&Blckchan Innovtr ETF A USD0.39%1.6M$14.7M−1,926 (−0.1%)September 30, 2026
17Invesco CoinShares Global Blockchain ETF0.39%1.6M$14.6M—September 30, 2026
18T. Rowe Price Integrated US Sm Gr Eq0.37%1.5M$13.8M—August 31, 2026
19Fidelity Extended Market Index0.36%1.5M$13.4M−8,033 (−0.5%)August 31, 2026
20Lord Abbett Developing Growth A0.29%1.2M$10.9M+60,634 (+5.3%)July 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

CIFR insider transactions

latest 20
Cipher Mining Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-25Tyler PageSell$16.1137,500$604,125
2026-03-23Cary M GrossmanSell$14.5430,000$436,200
2026-03-16Patrick Arthur KellySell$14.9835,568$532,809
2026-03-04James E NewsomeSell$15.7445,161$710,834
2026-01-15Patrick Arthur KellySell$17.7635,568$631,688
2025-12-19James E NewsomeSell$16.0321,821$349,791
2025-12-19Wesley Hastie WilliamsSell$16.0849,867$801,861
2025-12-15Patrick Arthur KellySell$15.0835,569$536,381
2025-11-26Cary M GrossmanSell$19.0025,000$475,000
2025-11-26Holly Morrow EvansSell$18.7415,000$281,100
2025-11-17Patrick Arthur KellySell$14.2026,580$377,436
2025-11-17Patrick Arthur KellySell$14.2026,580$377,436
2025-11-12Wesley Hastie WilliamsSell$17.5118,769$328,645
2025-11-12Holly Morrow EvansSell$17.3916,269$282,918
2025-11-04William IwaschukSell$22.52173,094$3.9M
2025-10-16Holding Ltd V3Sell$20.32535,843$10.9M
2025-10-15Holding Ltd V3Sell$21.062,167,684$45.7M
2025-10-15Patrick Arthur KellySell$21.0826,581$560,327
2025-10-14Holding Ltd V3Sell$20.781,832,316$38.1M
2025-09-29Holding Ltd V3Sell$12.082,000,000$24.2M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

CIFR shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns CIFR

Institutional investors own 94.9% of Cipher Mining's shares and insiders 3.64%. The largest holder is V3 Holding Ltd. with 14.05% of the shares (58.3M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 3 reduced their stake in the latest filings. Short interest is 22.03% of the float, or 2.26 days of average trading volume. The share count rose 88.6% since 2020.

Related: CIFR analyst forecast, CIFR key metrics. See the CIFR stock overview for the latest quote and news.

CIFR ownership FAQ

Who owns the most Cipher Mining stock?

The largest shareholders of Cipher Mining are V3 Holding Ltd. (14.05%), BlackRock Inc (7.33%), Vanguard Portfolio Management, LLC (5.81%), Vanguard Capital Management, LLC (3.97%), Jane Street Group LLC (3.72%).

What percentage of Cipher Mining is owned by institutions?

Institutions hold 94.9% of Cipher Mining's shares outstanding; insiders hold 3.64%.

Which funds own Cipher Mining?

The largest fund holders of Cipher Mining are Vanguard MStar Total Stk Mkt Idx Invest (2.98%), Vanguard Small Cap Index (2.16%), iShares Russell 2000 ETF (2.12%), American Funds SMALLCAP World A (2.05%), Vanguard Information Technology ETF (1.31%).

What is Cipher Mining's short interest?

75.2M shares of Cipher Mining were sold short, 22.03% of the float; at the average daily volume it would take 2.26 days to cover.

Are insiders buying or selling Cipher Mining?

Of the latest 20 reported insider transactions in Cipher Mining (since September 29, 2025), 0 were purchases and 20 were sales.

How many shares of Cipher Mining are outstanding?

Cipher Mining has 415.0M shares outstanding, of which 346.3M are in the public float.

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