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Rubicon Technology, Inc.

RBCNDelisted Dec 23, 2022
Industry
Semiconductors & Related Devices
SEC CIK
0001410172

Rubicon Technology, Inc. was delisted on Dec 23, 2022; its insiders filed their last Form 4 on Feb 24, 2023; 20 institutions reported holding it in 13F filings for Q3 2022, worth $867.3K in total; no superinvestor held it.

13F holders, Q1 2024

Institutional positions in Rubicon Technology, Inc. as of Mar 31, 2024. 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

RBCN is no longer listed, and 13F filings after Q3 2022 list far fewer holders. See Q3 2022

Institutional holders
1
0 vs. Q4 2023
Shares held
150
0 (0.0%) vs. Q4 2023
Total value
$126
+$9 (+7.7%) vs. Q4 2023
New holders
0
0 more added
Sold out
0
0 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RBCN 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 holdersQ1 2024: 1 institution
Q1 2021: 21 institutionsQ2 2021: 20 institutionsQ3 2021: 18 institutionsQ4 2021: 20 institutionsQ1 2022: 17 institutionsQ2 2022: 18 institutionsQ3 2022: 20 institutionsQ4 2022: 4 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 1 institutionQ4 2023: 1 institutionQ1 2024: 1 institutionQ2 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 heldQ1 2024: $126
Q1 2021: $6.45MQ2 2021: $5.52MQ3 2021: $5.58MQ4 2021: $4.78MQ1 2022: $4.81MQ2 2022: $4.62MQ3 2022: $867.3KQ4 2022: $256.5KQ1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $117Q1 2024: $126Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding RBCN 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 20241$126
Q4 20231$117
Q3 20231$0
Q2 20230$0
Q1 20230$0
Q4 20224$256.5K
Q3 202220$867.3K
Q2 202218$4.62M
Q1 202217$4.81M
Q4 202120$4.78M
Q3 202118$5.58M
Q2 202120$5.52M
Q1 202121$6.45M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Rubicon Technology, Inc.; share changes are against Q4 2023.

Institutions holding RBCN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Highlander Capital Management, LLC150$1260.00%00.0%Unchanged