Cypherpunk Technologies
CYPH · NASDAQ
$2.81+$0.28 (+11.07%)TodayMarket closed ·
Prev close $2.53
Who owns CYPH
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 40.8% of CYPH’s shares.
- Winklevoss Capital Management, LLC23.3%
- Severns (Sean Michael)5.6%
- Vanguard Capital Management, LLC3.7%
- BlackRock Institutional Trust Company, N.A.2.5%
- Next 6 largest institutions5.7%
- All other shareholders59.2%
| Holder | Shares | % of shares |
|---|---|---|
| Winklevoss Capital Management, LLC | 24.85M | 23.35% |
| Severns (Sean Michael) | 6.00M | 5.64% |
| Vanguard Capital Management, LLC | 3.89M | 3.65% |
| BlackRock Institutional Trust Company, N.A. | 2.62M | 2.46% |
| Jane Street Capital, L.L.C. | 1.70M | 1.60% |
| Geode Capital Management, L.L.C. | 1.17M | 1.10% |
| UBS Financial Services, Inc. | 1.13M | 1.06% |
| Citadel Advisors LLC | 836.15K | 0.79% |
| XTX Markets LLC | 638.33K | 0.60% |
| Vanguard Fiduciary Trust Co | 571.35K | 0.54% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 2.63M | 2.47% |
| Vanguard Extended Market Index Fund | 1.15M | 1.08% |
| Fidelity Extended Market Index Fund | 494.36K | 0.46% |
| Fidelity Total Market Index Fund | 170.45K | 0.16% |
| Fidelity Series Total Market Index Fund | 141.49K | 0.13% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $888.90K (3 trades) of CYPH on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| McEvoy William Patrick III | Option exercise | 4.94M | $2.57M |
| McEvoy William Patrick III | Option exercise | 4.94M | $4.94K |
| Winklevoss Capital Fund, LLC | Option exercise | 4.94M | $2.57M |
| Winklevoss Capital Fund, LLC | Option exercise | 4.94M | $4.94K |
| Oei Khing Djien | Sale | 168.75K | $661.50K |
| Martin Patricia A. | Sale | 50.00K | $193.00K |
| Dietz Thomas John | Sale | 20.00K | $34.40K |
| Zhang Kevin | Award | 2.00M | — |
| McEvoy William Patrick III | Other | 43.29M | $33.33M |
| McEvoy William Patrick III | Option exercise | 16.57M | $8.61M |
Short interest
Settled Sep 30, 2026
- Shares short
- 13.45M
- Days to cover
- 1.00
- % of shares outstanding
- 12.63%
- Average daily volume
- 22.28M
- Change since last report
- +36.5%
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