GROUP ONE TRADING, L.P. - IRON MTN INC ownership

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IRON MTN INC's ticker is IRM and the CUSIP is 462846106. A total of 345 filers reported holding IRON MTN INC in Q4 2013. The put-call ratio across all filers is 1.72 and the average weighting 0.5%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of IRON MTN INC
ValueSharesWeighting
Q2 2014$6,605,000
+44.8%
186,319
+12.6%
0.10%
+32.5%
Q1 2014$4,560,000
+64.7%
165,411
+81.4%
0.08%
+83.3%
Q4 2013$2,768,000
+1651.9%
91,203
+1459.0%
0.04%
+1300.0%
Q3 2013$158,000–5,850–0.00%–
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Other shareholders
IRON MTN INC shareholders Q4 2013
NameSharesValueWeighting ↓
Byrne Asset Management LLC 450$27,0000.02%
View complete list of IRON MTN INC shareholders