American Research & Management Co. - IRON MTN INC ownership

IRON MTN INC's ticker is IRM and the CUSIP is 462846106. A total of 5 filers reported holding IRON MTN INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
American Research & Management Co. ownership history of IRON MTN INC
ValueSharesWeighting
Q4 2019$10,0000.0%3080.0%0.00%0.0%
Q3 2019$10,0000.0%3080.0%0.00%0.0%
Q2 2019$10,000
-78.3%
308
-76.5%
0.00%
-76.9%
Q1 2019$46,000
+360.0%
1,308
+324.7%
0.01%
+333.3%
Q4 2018$10,000
-9.1%
3080.0%0.00%0.0%
Q3 2018$11,000
+10.0%
3080.0%0.00%0.0%
Q1 2018$10,000
-16.7%
3080.0%0.00%
-25.0%
Q4 2017$12,0000.0%3080.0%0.00%0.0%
Q3 2017$12,000
+9.1%
3080.0%0.00%0.0%
Q2 2017$11,0000.0%3080.0%0.00%0.0%
Q1 2017$11,000
+10.0%
3080.0%0.00%
+33.3%
Q4 2016$10,000
-16.7%
3080.0%0.00%
-25.0%
Q3 2016$12,000
-29.4%
308
-28.0%
0.00%
-42.9%
Q2 2016$17,000
+13.3%
4280.0%0.01%
+16.7%
Q1 2016$15,000
+25.0%
4280.0%0.01%
+20.0%
Q4 2015$12,000
-7.7%
4280.0%0.01%
-16.7%
Q3 2015$13,0000.0%4280.0%0.01%
+20.0%
Q2 2015$13,000
-18.8%
4280.0%0.01%
-28.6%
Q1 2015$16,000
+23.1%
428
+7.0%
0.01%
+40.0%
Q3 2014$13,000
-7.1%
4000.0%0.01%0.0%
Q2 2014$14,000
+27.3%
4000.0%0.01%
+25.0%
Q1 2014$11,000
-38.9%
400
-33.3%
0.00%
-33.3%
Q4 2013$18,000
+12.5%
6000.0%0.01%0.0%
Q3 2013$16,0000.0%6000.0%0.01%0.0%
Q2 2013$16,0006000.01%
Other shareholders
IRON MTN INC shareholders Q3 2018
NameSharesValueWeighting ↓
Gulf International Bank (UK) Ltd 65,031$2,072,0000.03%
CULLINAN ASSOCIATES INC 10,201$325,0000.02%
American Research & Management Co. 308$10,0000.00%
Gemmer Asset Management LLC 236$8,0000.00%
View complete list of IRON MTN INC shareholders