BlackRock Inc. - TECHNICAL COMMUNICATIONS COR ownership

TECHNICAL COMMUNICATIONS COR's ticker is TCCO and the CUSIP is 878409101. A total of 10 filers reported holding TECHNICAL COMMUNICATIONS COR in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
BlackRock Inc. ownership history of TECHNICAL COMMUNICATIONS COR
ValueSharesWeighting
Q4 2020$0750.0%0.00%
Q3 2020$0750.0%0.00%
Q2 2020$0750.0%0.00%
Q1 2020$0750.0%0.00%
Q4 2019$0750.0%0.00%
Q3 2019$0750.0%0.00%
Q2 2019$0750.0%0.00%
Q1 2019$0750.0%0.00%
Q4 2018$0750.0%0.00%
Q3 2018$0750.0%0.00%
Q2 2018$0750.0%0.00%
Q1 2018$0
-100.0%
750.0%0.00%
Q4 2017$1,000750.0%0.00%
Q3 2017$0750.0%0.00%
Q2 2017$0750.0%0.00%
Q1 2017$0750.00%
Other shareholders
TECHNICAL COMMUNICATIONS COR shareholders Q4 2017
NameSharesValueWeighting ↓
Virtu KCG Holdings LLC 16,703$71,0000.00%
UBS Group AG 61$00.00%
DIMENSIONAL FUND ADVISORS LP 30,917$125,0000.00%
MANUFACTURERS LIFE INSURANCE COMPANY, THE 146$1,0000.00%
MORGAN STANLEY 3,403$14,0000.00%
BlackRock Institutional Trust Company, N.A. 75$00.00%
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 10,592$46,0000.00%
Bank of New York Mellon Corp 10,583$45,0000.00%
Tower Research Capital LLC (TRC) 16$00.00%
Renaissance Technologies 13,100$56,0000.00%
View complete list of TECHNICAL COMMUNICATIONS COR shareholders