Cyanotech Corporation (CYAN) Ownership
CYAN ownership summary
as of October 21, 2026- Institutions
- 0.0% of shares outstanding
- Insiders
- 32.77% of shares outstanding
- Shares outstanding
- 7.2M
- Float
- 4.8M shares available to trade
- Short interest
- 0.01% 177 shares short
- Days to cover
- 0.02 short interest down 88.2% vs prior month
- Insiders 32.77%
- Other investors 67.23%
CYAN top institutional holders
1 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Northern Trust Investments N A | 0.00% | — | — | −2,175 (−100.0%) | December 31, 2024 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 1, 0 holders added 0 shares and 1 cut 2,175.
CYAN top mutual fund and ETF holders
2 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | SSgA U.S. Extended Market Index Class I | 0.04% | 2,755 | $1,791 | — | December 31, 2023 |
| 2 | NT US Market Cap Idx Fd - L | <0.01% | 340 | $221 | — | December 31, 2023 |
Funds report holdings monthly or quarterly; dates differ by fund.
CYAN insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2023-09-15 | Michael A / Davis | Buy | $0.84 | 3,245 | $2,726 |
| 2023-09-13 | Michael A / Davis | Buy | $0.83 | 3,245 | $2,693 |
| 2023-09-11 | Michael A / Davis | Buy | $0.83 | 292 | $242 |
| 2023-09-07 | Michael A / Davis | Buy | $0.75 | 17,900 | $13,425 |
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.
CYAN shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CYAN
Institutional investors own 0.0% of Cyanotech's shares and insiders 32.77%. The largest holder is Northern Trust Investments N A with 0.00% of the shares (0), as of December 31, 2024. Among the top 1 institutions, 0 added shares and 1 reduced their stake in the latest filings. Short interest is 0.01% of the float, or 0.02 days of average trading volume. The share count rose 27.9% since 2014.
Related: CYAN key metrics. See the CYAN stock overview for the latest quote and news.
CYAN ownership FAQ
Who owns the most Cyanotech stock?
The largest shareholders of Cyanotech are Northern Trust Investments N A (0.00%).
What percentage of Cyanotech is owned by institutions?
Institutions hold 0.0% of Cyanotech's shares outstanding; insiders hold 32.77%.
Which funds own Cyanotech?
The largest fund holders of Cyanotech are SSgA U.S. Extended Market Index Class I (0.04%), NT US Market Cap Idx Fd - L (<0.01%).
What is Cyanotech's short interest?
177 shares of Cyanotech were sold short, 0.01% of the float; at the average daily volume it would take 0.02 days to cover.
Are insiders buying or selling Cyanotech?
Of the latest 4 reported insider transactions in Cyanotech (since September 7, 2023), 4 were purchases and 0 were sales.
How many shares of Cyanotech are outstanding?
Cyanotech has 7.2M shares outstanding, of which 4.8M are in the public float.