Aperio Group, LLC - IRON MTN INC ownership

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%.

Quarter-by-quarter ownership
Aperio Group, LLC ownership history of IRON MTN INC
ValueSharesWeighting
Q4 2014$991,000
+66.8%
25,628
+40.8%
0.01%
+50.0%
Q3 2014$594,000
+4.9%
18,199
+14.1%
0.01%0.0%
Q2 2014$566,000
+32.9%
15,954
+3.2%
0.01%
+33.3%
Q1 2014$426,000
+11.2%
15,457
+22.6%
0.01%0.0%
Q4 2013$383,000
+68.0%
12,610
+49.3%
0.01%
+50.0%
Q3 2013$228,0000.0%8,444
-1.3%
0.00%
-20.0%
Q2 2013$228,0008,5540.01%
Other shareholders
IRON MTN INC shareholders Q4 2013
NameSharesValueWeighting ↓
SCHOONER CAPITAL CORP 8,251,277$227,488,00094.80%
Stonerise Capital Management, LLC 1,000,000$27,570,00010.30%
Makaira Partners LLC 2,014,549$55,541,0009.95%
CASPIAN CAPITAL LP 526,661$14,520,0006.60%
MANGROVE PARTNERS IM, LLC 518,200$14,287,0004.76%
JD CAPITAL MANAGEMENT LLC 574,700$15,844,0003.08%
Black River Asset Management LLC 72,000$1,968,0003.00%
Hilltop Park Associates LLC 80,000$2,206,0002.54%
Marble Harbor Investment Counsel, LLC 334,450$9,221,0002.39%
HIGHFIELDS CAPITAL MANAGEMENT LP 9,428,516$259,944,0002.18%
View complete list of IRON MTN INC shareholders