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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, Q2 2021

Institutional positions in Cyanotech Corp as of Jun 30, 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
12
0 vs. Q1 2021
Shares held
435.8K
+107.7K (+32.8%) vs. Q1 2021
Total value
$1.33M
+$243.3K (+22.5%) vs. Q1 2021
New holders
3
2 more added
Sold out
3
1 more reduced

Compare with Q1 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.

Institutional holdersQ2 2021: 12 institutions
Q1 2021: 12 institutionsQ2 2021: 12 institutionsQ3 2021: 13 institutionsQ4 2021: 15 institutionsQ1 2022: 12 institutionsQ2 2022: 12 institutionsQ3 2022: 12 institutionsQ4 2022: 11 institutionsQ1 2023: 12 institutionsQ2 2023: 10 institutionsQ3 2023: 10 institutionsQ4 2023: 11 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ2 2021: $1.33M
Q1 2021: $1.08MQ2 2021: $1.33MQ3 2021: $1.29MQ4 2021: $1.67MQ1 2022: $1.53MQ2 2022: $1.77MQ3 2022: $1.34MQ4 2022: $636.2KQ1 2023: $410.9KQ2 2023: $351.7KQ3 2023: $296.8KQ4 2023: $325.9KQ1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding CYAN and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 202311$325.9K
Q3 202310$296.8K
Q2 202310$351.7K
Q1 202312$410.9K
Q4 202211$636.2K
Q3 202212$1.34M
Q2 202212$1.77M
Q1 202212$1.53M
Q4 202115$1.67M
Q3 202113$1.29M
Q2 202112$1.33M
Q1 202112$1.08M

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Cyanotech Corp; share changes are against Q1 2021.

Institutions holding CYAN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Technologies LLC216,699$659.0K0.00%+21,957+11.3%Added
Coastline Trust Co82,400$250.0K0.03%00.0%Unchanged
Vanguard Group Inc52,294$159.0K0.00%+52,294New
Traphagen Investment Advisors LLC25,752$78.3K0.01%+25,752New
Geode Capital Management, LLC25,490$77.0K0.00%+25,490New
Heritage Investors Management Corp13,786$42.0K0.00%00.0%Unchanged
BlackRock Inc.11,574$35.0K0.00%00.0%Unchanged
Bank of America Corp2,500$8.00K0.00%−12−0.5%Reduced
Advisor Group Holdings, Inc.2,500$8.00K0.00%00.0%Unchanged
UBS Group AG2,478$8.00K0.00%+622+33.5%Added
Morgan Stanley322$1.00K0.00%00.0%Unchanged
Wells Fargo & Company18$00.00%00.0%Unchanged
Virtu Financial LLC0$00.00%−16,094−100.0%Sold out
Northern Trust Corp0$00.00%−2,175−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−146−100.0%Sold out