
Cipher Mining Inc.
Cipher Mining Inc. (CIFR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CIFR · as of Sep 30, 2025
Ownership Breakdown
356
Institutional Holders
▲ 109 vs Q2
$3.97B
Total Inst. Value
▲ $2.61B vs Q2
409.05M
Shares Outstanding
freeFloat 81.84%
278.77M
13F Shares Held
▼ 7.41M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CIFR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
V3 HOLDING LTD services-computer processing & data preparation | 65.85M | 17.56% | 17.56% | $829.08B | Nov 14, 2025 | ▼ 31.71M |
BLACKROCK, INC. services-computer processing & data preparation | 24.05M | 6.41% | 6.41% | $302.78B | Nov 12, 2025 | ▲ 1.67M |
VANGUARD GROUP INC services-computer processing & data preparation | 22.81M | 6.08% | 6.08% | $287.24B | Nov 7, 2025 | ▲ 2.70M |
UBS GROUP AG services-computer processing & data preparation | 16.46M | 4.39% | 4.39% | $207.22B | Nov 13, 2025 | NEW |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-computer processing & data preparation | 11.81M | 3.15% | 3.15% | $148.69B | Nov 14, 2025 | ▲ 10.97M |
JANE STREET GROUP, LLC services-computer processing & data preparation | 11.04M | 2.94% | 2.94% | $139.02B | Nov 14, 2025 | ▲ 10.47M |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-computer processing & data preparation | 9.68M | 2.58% | 2.58% | $121.89B | Nov 14, 2025 | ▲ 5.37M |
GEODE CAPITAL MANAGEMENT, LLC services-computer processing & data preparation | 7.61M | 2.03% | 2.03% | $95.77B | Nov 12, 2025 | ▲ 363.9K |
STATE STREET CORP services-computer processing & data preparation | 7.33M | 1.96% | 1.96% | $92.33B | Nov 14, 2025 | ▲ 179.1K |
INVESCO LTD. services-computer processing & data preparation | 6.85M | 1.83% | 1.83% | $86.27B | Nov 13, 2025 | ▲ 1.96M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
31
Increased
+77.04M shares8
New Positions
first time holders11
Decreased
−56.37M shares0
Sold Out
fully exitedNet shares change (top 50)
+20.67M
+77.04M / −56.37M
Net new holders
+28
8 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CIFR insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
8
Sell transactions
1.25
Buy/Sell ratio
$2M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Duda Thomas David director | Jun 3, 2026 | Award | 8,299 | — | — | 26.0K | Form 4 ↗ |
Flatley Robert director | Jun 3, 2026 | Award | 8,299 | — | — | 147.2K | Form 4 ↗ |
GROSSMAN CARY M director | Jun 3, 2026 | Award | 8,299 | — | — | 158.8K | Form 4 ↗ |
Long Caitlin director | Jun 3, 2026 | Award | 8,299 | — | — | 235.1K | Form 4 ↗ |
Newsome James E director | Jun 3, 2026 | Award | 8,299 | — | — | 135.6K | Form 4 ↗ |
Williams Wesley Hastie director | Jun 3, 2026 | Award | 8,299 | — | — | 123.7K | Form 4 ↗ |
V3 Holding Ltd 10 percent owner | Jun 3, 2026 | Sale | 1,146,445 | $26.28 | $30.13M | 60.17M | Form 4 ↗ |
V3 Holding Ltd 10 percent owner | Jun 3, 2026 | Sale | 624,715 | $27.17 | $16.97M | 59.55M | Form 4 ↗ |
V3 Holding Ltd 10 percent owner | Jun 3, 2026 | Sale | 28,840 | $28.10 | $810.4K | 59.52M | Form 4 ↗ |
V3 Holding Ltd 10 percent owner | Jun 2, 2026 | J-Other | 2,000,000 | — | — | 2.00M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Cipher Mining Inc. (CIFR) is primarily owned by institutional investors, who hold approximately 68.2% of total shares outstanding. Company insiders own approximately 18.16%, while retail and public investors account for the remaining 13.69%.
The largest institutional shareholder of Cipher Mining Inc. is V3 HOLDING LTD, holding approximately 65.85 million shares — equal to 17.56% of outstanding shares — as of September 30, 2025.
A total of 356 institutional investors currently hold CIFR stock, with a combined institutional value of approximately $3.97 billion as of the most recent 13F filing period.
Frequently asked questions
CIFR ownershipCipher Mining Inc. (CIFR) is primarily owned by institutional investors, who hold approximately 68.2% of shares. The largest shareholder is V3 HOLDING LTD with a 17.56% stake. Company insiders hold 18.16%. Data sourced from SEC Form 13F as of September 30, 2025.