Cyanotech Corp
CYAN- Exchange
- OTC
- Industry
- Medicinal Chemicals & Botanical Products
- SEC CIK
- 0000768408
No open-market purchases or sales by Cyanotech Corp insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
13F holders, Q4 2021
Institutional positions in Cyanotech Corp as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 15
- +2 vs. Q3 2021
- Shares held
- 517.6K
- +73.5K (+16.6%) vs. Q3 2021
- Total value
- $1.67M
- +$386.3K (+30.0%) vs. Q3 2021
- New holders
- 3
- 4 more added
- Sold out
- 1
- 1 more reduced
Compare with Q3 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CYAN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 11 | $325.9K |
| Q3 2023 | 10 | $296.8K |
| Q2 2023 | 10 | $351.7K |
| Q1 2023 | 12 | $410.9K |
| Q4 2022 | 11 | $636.2K |
| Q3 2022 | 12 | $1.34M |
| Q2 2022 | 12 | $1.77M |
| Q1 2022 | 12 | $1.53M |
| Q4 2021 | 15 | $1.67M |
| Q3 2021 | 13 | $1.29M |
| Q2 2021 | 12 | $1.33M |
| Q1 2021 | 12 | $1.08M |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding Cyanotech Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 257,180 | $833.0K | 0.00% | +33,343+14.9% | Added |
| Coastline Trust Co | 82,400 | $267.0K | 0.03% | 00.0% | Unchanged |
| Vanguard Group Inc | 51,994 | $168.0K | 0.00% | −300−0.6% | Reduced |
| Susquehanna International Group, LLP | 31,513 | $101.0K | 0.00% | +31,513 | New |
| Geode Capital Management, LLC | 25,490 | $81.0K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 18,670 | $60.0K | 0.01% | +18,670 | New |
| Heritage Investors Management Corp | 13,786 | $44.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 11,574 | $38.0K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 10,356 | $33.0K | 0.00% | +10,356 | New |
| UBS Group AG | 5,534 | $18.0K | 0.00% | +5,461+7,480.8% | Added |
| Tower Research Capital LLC (TRC) | 3,721 | $12.0K | 0.00% | +247+7.1% | Added |
| Bank of America Corp | 2,509 | $8.00K | 0.00% | +9+0.4% | Added |
| Advisor Group Holdings, Inc. | 2,500 | $8.00K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 322 | $1.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 31 | $0 | 0.00% | 00.0% | Unchanged |
| Traphagen Investment Advisors LLC | 0 | $0 | 0.00% | −25,752−100.0% | Sold out |