BlackRock Investment Management, LLC - IRON MTN INC ownership

IRON MTN INC's ticker is IRM and the CUSIP is 462846106. A total of 318 filers reported holding IRON MTN INC in Q4 2014. The put-call ratio across all filers is 3.07 and the average weighting 0.5%.

Quarter-by-quarter ownership
BlackRock Investment Management, LLC ownership history of IRON MTN INC
ValueSharesWeighting
Q4 2014$14,022,000
+29.8%
362,703
+9.6%
0.02%
+26.7%
Q3 2014$10,806,000
-8.2%
330,972
-0.3%
0.02%
-6.2%
Q2 2014$11,768,000
+41.0%
331,965
+9.6%
0.02%
+33.3%
Q1 2014$8,348,000
-7.1%
302,806
+2.3%
0.01%
-7.7%
Q4 2013$8,984,000
+7.9%
296,004
-4.0%
0.01%
-7.1%
Q3 2013$8,327,000
+8.0%
308,182
+6.4%
0.01%0.0%
Q2 2013$7,710,000289,7380.01%
Other shareholders
IRON MTN INC shareholders Q4 2014
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