Switch to:

Superconductor Technologies Inc (SCON) Ownership Data

Short Interest History (%)

This is the historical short interest of Superconductor Technologies Inc, as measured by the Short Percentage Of Float.

Institutional Ownership History (%)

This the Institutional Ownership History of Superconductor Technologies Inc Peter Lynch prefers to buy companies with low institutional ownership.

Insider ownership (%)

This is the historical insider ownership of Superconductor Technologies Inc. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Top Direct Holders

HolderShares% of Shares
Report Date
Kopp Leroy C1,535,29011.59%2014-04-29
Jeffrey A. Quiram454,4423.43%2013-03-07
Robert L. Johnson219,7421.66%2013-03-07
Dr. Robert B. Hammond,PhD213,5561.61%2012-05-06
Adam Shelton195,1811.47%2013-03-07
William J. Buchanan181,8241.37%2013-03-07
Charles E. Shalvoy171,1671.29%2005-12-02
Thomas R. Giunta130,8560.99%2012-05-06
Kenneth E. Pfeiffer76,4860.58%2013-03-07
Terry A. White63,6370.48%2011-05-06

Top Fund Holders

HolderSharesReport Date% of Shares
% of Total
Assets Managed
Market Value
Kopp Investment Advisors LLC2,616,9562014-09-3019.753.647,354,000
BlackRock Fund Advisors712,4772014-09-305.380.002,002,000
Vanguard Group, Inc.270,1652014-09-302.040.00759,000
Bard Associates Inc224,0352014-09-301.690.29630,000
Vanguard Total Stock Mkt Idx212,9292014-10-311.610.00577,038
Perkins Capital Management Inc50,0002014-09-300.380.12141,000
Vanguard Extended Market Index Fund46,9932014-10-310.350.00127,351
Rotella Capital Management Inc37,4922014-09-300.280.11105,000
Tenor Capital Management Co Lp23,1692014-09-300.170.0265,000
Geode Capital Management, LLC18,6782014-09-300.140.0052,000

Add Notes, Comments

If you want to ask a question, or report a bug, please create a support ticket.

User Comments

No comment yet

Get WordPress Plugins for easy affiliate links on Stock Tickers and Guru Names | Earn affiliate commissions by embedding GuruFocus Charts
GuruFocus Affiliate Program: Earn up to $400 per referral. ( Learn More)
Free 7-day Trial