Joel Isaacson & Co., LLC - SPIRE CORP ownership

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SPIRE CORP's ticker is SPIR and the CUSIP is 848565107. A total of 1 filers reported holding SPIRE CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
Joel Isaacson & Co., LLC ownership history of SPIRE CORP
ValueSharesWeighting
Q2 2016$0–1,0000.0%0.00%–
Q1 2016$0–1,0000.0%0.00%–
Q4 2015$0–1,0000.0%0.00%–
Q3 2015$0–1,0000.0%0.00%–
Q3 2014$0
-100.0%
1,0000.0%0.00%–
Q2 2014$1,0000.0%1,0000.0%0.00%–
Q1 2014$1,000–1,000–0.00%–
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Other shareholders
SPIRE CORP shareholders Q4 2015
NameSharesValueWeighting ↓
Joel Isaacson & Co., LLC 1,000$00.00%
View complete list of SPIRE CORP shareholders